MAYBE Problem: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Proof: DP Processor: DPs: active#(U11(tt(),V2)) -> isNat#(V2) active#(U11(tt(),V2)) -> U12#(isNat(V2)) active#(U31(tt(),V2)) -> isNat#(V2) active#(U31(tt(),V2)) -> U32#(isNat(V2)) active#(U51(tt(),M,N)) -> isNat#(N) active#(U51(tt(),M,N)) -> U52#(isNat(N),M,N) active#(U52(tt(),M,N)) -> plus#(N,M) active#(U52(tt(),M,N)) -> s#(plus(N,M)) active#(U71(tt(),M,N)) -> isNat#(N) active#(U71(tt(),M,N)) -> U72#(isNat(N),M,N) active#(U72(tt(),M,N)) -> x#(N,M) active#(U72(tt(),M,N)) -> plus#(x(N,M),N) active#(isNat(plus(V1,V2))) -> isNat#(V1) active#(isNat(plus(V1,V2))) -> U11#(isNat(V1),V2) active#(isNat(s(V1))) -> isNat#(V1) active#(isNat(s(V1))) -> U21#(isNat(V1)) active#(isNat(x(V1,V2))) -> isNat#(V1) active#(isNat(x(V1,V2))) -> U31#(isNat(V1),V2) active#(plus(N,0())) -> isNat#(N) active#(plus(N,0())) -> U41#(isNat(N),N) active#(plus(N,s(M))) -> isNat#(M) active#(plus(N,s(M))) -> U51#(isNat(M),M,N) active#(x(N,0())) -> isNat#(N) active#(x(N,0())) -> U61#(isNat(N)) active#(x(N,s(M))) -> isNat#(M) active#(x(N,s(M))) -> U71#(isNat(M),M,N) active#(U11(X1,X2)) -> active#(X1) active#(U11(X1,X2)) -> U11#(active(X1),X2) active#(U12(X)) -> active#(X) active#(U12(X)) -> U12#(active(X)) active#(U21(X)) -> active#(X) active#(U21(X)) -> U21#(active(X)) active#(U31(X1,X2)) -> active#(X1) active#(U31(X1,X2)) -> U31#(active(X1),X2) active#(U32(X)) -> active#(X) active#(U32(X)) -> U32#(active(X)) active#(U41(X1,X2)) -> active#(X1) active#(U41(X1,X2)) -> U41#(active(X1),X2) active#(U51(X1,X2,X3)) -> active#(X1) active#(U51(X1,X2,X3)) -> U51#(active(X1),X2,X3) active#(U52(X1,X2,X3)) -> active#(X1) active#(U52(X1,X2,X3)) -> U52#(active(X1),X2,X3) active#(s(X)) -> active#(X) active#(s(X)) -> s#(active(X)) active#(plus(X1,X2)) -> active#(X1) active#(plus(X1,X2)) -> plus#(active(X1),X2) active#(plus(X1,X2)) -> active#(X2) active#(plus(X1,X2)) -> plus#(X1,active(X2)) active#(U61(X)) -> active#(X) active#(U61(X)) -> U61#(active(X)) active#(U71(X1,X2,X3)) -> active#(X1) active#(U71(X1,X2,X3)) -> U71#(active(X1),X2,X3) active#(U72(X1,X2,X3)) -> active#(X1) active#(U72(X1,X2,X3)) -> U72#(active(X1),X2,X3) active#(x(X1,X2)) -> active#(X1) active#(x(X1,X2)) -> x#(active(X1),X2) active#(x(X1,X2)) -> active#(X2) active#(x(X1,X2)) -> x#(X1,active(X2)) U11#(mark(X1),X2) -> U11#(X1,X2) U12#(mark(X)) -> U12#(X) U21#(mark(X)) -> U21#(X) U31#(mark(X1),X2) -> U31#(X1,X2) U32#(mark(X)) -> U32#(X) U41#(mark(X1),X2) -> U41#(X1,X2) U51#(mark(X1),X2,X3) -> U51#(X1,X2,X3) U52#(mark(X1),X2,X3) -> U52#(X1,X2,X3) s#(mark(X)) -> s#(X) plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) U61#(mark(X)) -> U61#(X) U71#(mark(X1),X2,X3) -> U71#(X1,X2,X3) U72#(mark(X1),X2,X3) -> U72#(X1,X2,X3) x#(mark(X1),X2) -> x#(X1,X2) x#(X1,mark(X2)) -> x#(X1,X2) proper#(U11(X1,X2)) -> proper#(X2) proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> U11#(proper(X1),proper(X2)) proper#(U12(X)) -> proper#(X) proper#(U12(X)) -> U12#(proper(X)) proper#(isNat(X)) -> proper#(X) proper#(isNat(X)) -> isNat#(proper(X)) proper#(U21(X)) -> proper#(X) proper#(U21(X)) -> U21#(proper(X)) proper#(U31(X1,X2)) -> proper#(X2) proper#(U31(X1,X2)) -> proper#(X1) proper#(U31(X1,X2)) -> U31#(proper(X1),proper(X2)) proper#(U32(X)) -> proper#(X) proper#(U32(X)) -> U32#(proper(X)) proper#(U41(X1,X2)) -> proper#(X2) proper#(U41(X1,X2)) -> proper#(X1) proper#(U41(X1,X2)) -> U41#(proper(X1),proper(X2)) proper#(U51(X1,X2,X3)) -> proper#(X3) proper#(U51(X1,X2,X3)) -> proper#(X2) proper#(U51(X1,X2,X3)) -> proper#(X1) proper#(U51(X1,X2,X3)) -> U51#(proper(X1),proper(X2),proper(X3)) proper#(U52(X1,X2,X3)) -> proper#(X3) proper#(U52(X1,X2,X3)) -> proper#(X2) proper#(U52(X1,X2,X3)) -> proper#(X1) proper#(U52(X1,X2,X3)) -> U52#(proper(X1),proper(X2),proper(X3)) proper#(s(X)) -> proper#(X) proper#(s(X)) -> s#(proper(X)) proper#(plus(X1,X2)) -> proper#(X2) proper#(plus(X1,X2)) -> proper#(X1) proper#(plus(X1,X2)) -> plus#(proper(X1),proper(X2)) proper#(U61(X)) -> proper#(X) proper#(U61(X)) -> U61#(proper(X)) proper#(U71(X1,X2,X3)) -> proper#(X3) proper#(U71(X1,X2,X3)) -> proper#(X2) proper#(U71(X1,X2,X3)) -> proper#(X1) proper#(U71(X1,X2,X3)) -> U71#(proper(X1),proper(X2),proper(X3)) proper#(U72(X1,X2,X3)) -> proper#(X3) proper#(U72(X1,X2,X3)) -> proper#(X2) proper#(U72(X1,X2,X3)) -> proper#(X1) proper#(U72(X1,X2,X3)) -> U72#(proper(X1),proper(X2),proper(X3)) proper#(x(X1,X2)) -> proper#(X2) proper#(x(X1,X2)) -> proper#(X1) proper#(x(X1,X2)) -> x#(proper(X1),proper(X2)) U11#(ok(X1),ok(X2)) -> U11#(X1,X2) U12#(ok(X)) -> U12#(X) isNat#(ok(X)) -> isNat#(X) U21#(ok(X)) -> U21#(X) U31#(ok(X1),ok(X2)) -> U31#(X1,X2) U32#(ok(X)) -> U32#(X) U41#(ok(X1),ok(X2)) -> U41#(X1,X2) U51#(ok(X1),ok(X2),ok(X3)) -> U51#(X1,X2,X3) U52#(ok(X1),ok(X2),ok(X3)) -> U52#(X1,X2,X3) s#(ok(X)) -> s#(X) plus#(ok(X1),ok(X2)) -> plus#(X1,X2) U61#(ok(X)) -> U61#(X) U71#(ok(X1),ok(X2),ok(X3)) -> U71#(X1,X2,X3) U72#(ok(X1),ok(X2),ok(X3)) -> U72#(X1,X2,X3) x#(ok(X1),ok(X2)) -> x#(X1,X2) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) EDG Processor: DPs: active#(U11(tt(),V2)) -> isNat#(V2) active#(U11(tt(),V2)) -> U12#(isNat(V2)) active#(U31(tt(),V2)) -> isNat#(V2) active#(U31(tt(),V2)) -> U32#(isNat(V2)) active#(U51(tt(),M,N)) -> isNat#(N) active#(U51(tt(),M,N)) -> U52#(isNat(N),M,N) active#(U52(tt(),M,N)) -> plus#(N,M) active#(U52(tt(),M,N)) -> s#(plus(N,M)) active#(U71(tt(),M,N)) -> isNat#(N) active#(U71(tt(),M,N)) -> U72#(isNat(N),M,N) active#(U72(tt(),M,N)) -> x#(N,M) active#(U72(tt(),M,N)) -> plus#(x(N,M),N) active#(isNat(plus(V1,V2))) -> isNat#(V1) active#(isNat(plus(V1,V2))) -> U11#(isNat(V1),V2) active#(isNat(s(V1))) -> isNat#(V1) active#(isNat(s(V1))) -> U21#(isNat(V1)) active#(isNat(x(V1,V2))) -> isNat#(V1) active#(isNat(x(V1,V2))) -> U31#(isNat(V1),V2) active#(plus(N,0())) -> isNat#(N) active#(plus(N,0())) -> U41#(isNat(N),N) active#(plus(N,s(M))) -> isNat#(M) active#(plus(N,s(M))) -> U51#(isNat(M),M,N) active#(x(N,0())) -> isNat#(N) active#(x(N,0())) -> U61#(isNat(N)) active#(x(N,s(M))) -> isNat#(M) active#(x(N,s(M))) -> U71#(isNat(M),M,N) active#(U11(X1,X2)) -> active#(X1) active#(U11(X1,X2)) -> U11#(active(X1),X2) active#(U12(X)) -> active#(X) active#(U12(X)) -> U12#(active(X)) active#(U21(X)) -> active#(X) active#(U21(X)) -> U21#(active(X)) active#(U31(X1,X2)) -> active#(X1) active#(U31(X1,X2)) -> U31#(active(X1),X2) active#(U32(X)) -> active#(X) active#(U32(X)) -> U32#(active(X)) active#(U41(X1,X2)) -> active#(X1) active#(U41(X1,X2)) -> U41#(active(X1),X2) active#(U51(X1,X2,X3)) -> active#(X1) active#(U51(X1,X2,X3)) -> U51#(active(X1),X2,X3) active#(U52(X1,X2,X3)) -> active#(X1) active#(U52(X1,X2,X3)) -> U52#(active(X1),X2,X3) active#(s(X)) -> active#(X) active#(s(X)) -> s#(active(X)) active#(plus(X1,X2)) -> active#(X1) active#(plus(X1,X2)) -> plus#(active(X1),X2) active#(plus(X1,X2)) -> active#(X2) active#(plus(X1,X2)) -> plus#(X1,active(X2)) active#(U61(X)) -> active#(X) active#(U61(X)) -> U61#(active(X)) active#(U71(X1,X2,X3)) -> active#(X1) active#(U71(X1,X2,X3)) -> U71#(active(X1),X2,X3) active#(U72(X1,X2,X3)) -> active#(X1) active#(U72(X1,X2,X3)) -> U72#(active(X1),X2,X3) active#(x(X1,X2)) -> active#(X1) active#(x(X1,X2)) -> x#(active(X1),X2) active#(x(X1,X2)) -> active#(X2) active#(x(X1,X2)) -> x#(X1,active(X2)) U11#(mark(X1),X2) -> U11#(X1,X2) U12#(mark(X)) -> U12#(X) U21#(mark(X)) -> U21#(X) U31#(mark(X1),X2) -> U31#(X1,X2) U32#(mark(X)) -> U32#(X) U41#(mark(X1),X2) -> U41#(X1,X2) U51#(mark(X1),X2,X3) -> U51#(X1,X2,X3) U52#(mark(X1),X2,X3) -> U52#(X1,X2,X3) s#(mark(X)) -> s#(X) plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) U61#(mark(X)) -> U61#(X) U71#(mark(X1),X2,X3) -> U71#(X1,X2,X3) U72#(mark(X1),X2,X3) -> U72#(X1,X2,X3) x#(mark(X1),X2) -> x#(X1,X2) x#(X1,mark(X2)) -> x#(X1,X2) proper#(U11(X1,X2)) -> proper#(X2) proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> U11#(proper(X1),proper(X2)) proper#(U12(X)) -> proper#(X) proper#(U12(X)) -> U12#(proper(X)) proper#(isNat(X)) -> proper#(X) proper#(isNat(X)) -> isNat#(proper(X)) proper#(U21(X)) -> proper#(X) proper#(U21(X)) -> U21#(proper(X)) proper#(U31(X1,X2)) -> proper#(X2) proper#(U31(X1,X2)) -> proper#(X1) proper#(U31(X1,X2)) -> U31#(proper(X1),proper(X2)) proper#(U32(X)) -> proper#(X) proper#(U32(X)) -> U32#(proper(X)) proper#(U41(X1,X2)) -> proper#(X2) proper#(U41(X1,X2)) -> proper#(X1) proper#(U41(X1,X2)) -> U41#(proper(X1),proper(X2)) proper#(U51(X1,X2,X3)) -> proper#(X3) proper#(U51(X1,X2,X3)) -> proper#(X2) proper#(U51(X1,X2,X3)) -> proper#(X1) proper#(U51(X1,X2,X3)) -> U51#(proper(X1),proper(X2),proper(X3)) proper#(U52(X1,X2,X3)) -> proper#(X3) proper#(U52(X1,X2,X3)) -> proper#(X2) proper#(U52(X1,X2,X3)) -> proper#(X1) proper#(U52(X1,X2,X3)) -> U52#(proper(X1),proper(X2),proper(X3)) proper#(s(X)) -> proper#(X) proper#(s(X)) -> s#(proper(X)) proper#(plus(X1,X2)) -> proper#(X2) proper#(plus(X1,X2)) -> proper#(X1) proper#(plus(X1,X2)) -> plus#(proper(X1),proper(X2)) proper#(U61(X)) -> proper#(X) proper#(U61(X)) -> U61#(proper(X)) proper#(U71(X1,X2,X3)) -> proper#(X3) proper#(U71(X1,X2,X3)) -> proper#(X2) proper#(U71(X1,X2,X3)) -> proper#(X1) proper#(U71(X1,X2,X3)) -> U71#(proper(X1),proper(X2),proper(X3)) proper#(U72(X1,X2,X3)) -> proper#(X3) proper#(U72(X1,X2,X3)) -> proper#(X2) proper#(U72(X1,X2,X3)) -> proper#(X1) proper#(U72(X1,X2,X3)) -> U72#(proper(X1),proper(X2),proper(X3)) proper#(x(X1,X2)) -> proper#(X2) proper#(x(X1,X2)) -> proper#(X1) proper#(x(X1,X2)) -> x#(proper(X1),proper(X2)) U11#(ok(X1),ok(X2)) -> U11#(X1,X2) U12#(ok(X)) -> U12#(X) isNat#(ok(X)) -> isNat#(X) U21#(ok(X)) -> U21#(X) U31#(ok(X1),ok(X2)) -> U31#(X1,X2) U32#(ok(X)) -> U32#(X) U41#(ok(X1),ok(X2)) -> U41#(X1,X2) U51#(ok(X1),ok(X2),ok(X3)) -> U51#(X1,X2,X3) U52#(ok(X1),ok(X2),ok(X3)) -> U52#(X1,X2,X3) s#(ok(X)) -> s#(X) plus#(ok(X1),ok(X2)) -> plus#(X1,X2) U61#(ok(X)) -> U61#(X) U71#(ok(X1),ok(X2),ok(X3)) -> U71#(X1,X2,X3) U72#(ok(X1),ok(X2),ok(X3)) -> U72#(X1,X2,X3) x#(ok(X1),ok(X2)) -> x#(X1,X2) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) graph: ... SCC Processor: #sccs: 18 #rules: 77 #arcs: 2410/18496 DPs: top#(ok(X)) -> top#(active(X)) top#(mark(X)) -> top#(proper(X)) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: proper#(x(X1,X2)) -> proper#(X1) proper#(x(X1,X2)) -> proper#(X2) proper#(U72(X1,X2,X3)) -> proper#(X1) proper#(U72(X1,X2,X3)) -> proper#(X2) proper#(U72(X1,X2,X3)) -> proper#(X3) proper#(U71(X1,X2,X3)) -> proper#(X1) proper#(U71(X1,X2,X3)) -> proper#(X2) proper#(U71(X1,X2,X3)) -> proper#(X3) proper#(U61(X)) -> proper#(X) proper#(plus(X1,X2)) -> proper#(X1) proper#(plus(X1,X2)) -> proper#(X2) proper#(s(X)) -> proper#(X) proper#(U52(X1,X2,X3)) -> proper#(X1) proper#(U52(X1,X2,X3)) -> proper#(X2) proper#(U52(X1,X2,X3)) -> proper#(X3) proper#(U51(X1,X2,X3)) -> proper#(X1) proper#(U51(X1,X2,X3)) -> proper#(X2) proper#(U51(X1,X2,X3)) -> proper#(X3) proper#(U41(X1,X2)) -> proper#(X1) proper#(U41(X1,X2)) -> proper#(X2) proper#(U32(X)) -> proper#(X) proper#(U31(X1,X2)) -> proper#(X1) proper#(U31(X1,X2)) -> proper#(X2) proper#(U21(X)) -> proper#(X) proper#(isNat(X)) -> proper#(X) proper#(U12(X)) -> proper#(X) proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> proper#(X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [proper#](x0) = x0 + 1, [top](x0) = 0, [ok](x0) = 0, [proper](x0) = x0, [x](x0, x1) = x0 + x1 + 1, [U72](x0, x1, x2) = x0 + x1 + x2, [U71](x0, x1, x2) = x0 + x1 + x2 + 1, [0] = 1, [U61](x0) = x0 + 1, [s](x0) = x0 + 1, [plus](x0, x1) = x0 + x1 + 1, [U52](x0, x1, x2) = x0 + x1 + x2 + 1, [U51](x0, x1, x2) = x0 + x1 + x2 + 1, [U41](x0, x1) = x0 + x1 + 1, [U32](x0) = x0 + 1, [U31](x0, x1) = x0 + x1 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0 + 1, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x0 + x1, [tt] = 1 orientation: proper#(x(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = proper#(X1) proper#(x(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = proper#(X2) proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + 1 = proper#(X1) proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X2 + 1 = proper#(X2) proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X3 + 1 = proper#(X3) proper#(U71(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X1 + 1 = proper#(X1) proper#(U71(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X2 + 1 = proper#(X2) proper#(U71(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X3 + 1 = proper#(X3) proper#(U61(X)) = X + 2 >= X + 1 = proper#(X) proper#(plus(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = proper#(X1) proper#(plus(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = proper#(X2) proper#(s(X)) = X + 2 >= X + 1 = proper#(X) proper#(U52(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X1 + 1 = proper#(X1) proper#(U52(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X2 + 1 = proper#(X2) proper#(U52(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X3 + 1 = proper#(X3) proper#(U51(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X1 + 1 = proper#(X1) proper#(U51(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X2 + 1 = proper#(X2) proper#(U51(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X3 + 1 = proper#(X3) proper#(U41(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = proper#(X1) proper#(U41(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = proper#(X2) proper#(U32(X)) = X + 2 >= X + 1 = proper#(X) proper#(U31(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = proper#(X1) proper#(U31(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = proper#(X2) proper#(U21(X)) = X + 2 >= X + 1 = proper#(X) proper#(isNat(X)) = X + 1 >= X + 1 = proper#(X) proper#(U12(X)) = X + 2 >= X + 1 = proper#(X) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X1 + 1 = proper#(X1) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X2 + 1 = proper#(X2) active(U11(tt(),V2)) = V2 + 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 2 >= 0 = mark(tt()) active(U21(tt())) = 2 >= 0 = mark(tt()) active(U31(tt(),V2)) = V2 + 2 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 2 >= 0 = mark(tt()) active(U41(tt(),N)) = N + 2 >= 0 = mark(N) active(U51(tt(),M,N)) = M + N + 2 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = M + N + 2 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 2 >= 0 = mark(0()) active(U71(tt(),M,N)) = M + N + 2 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M + N + 1 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + V2 + 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 + 1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V1 + V2 + 1 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 2 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = M + N + 2 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = N + 2 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M + N + 2 >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(active(X1),X2) active(U12(X)) = X + 1 >= X + 1 = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U52(active(X1),X2,X3) active(s(X)) = X + 1 >= X + 1 = s(active(X)) active(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(X1,active(X2)) active(U61(X)) = X + 1 >= X + 1 = U61(active(X)) active(U71(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X1 + X2 + X3 >= X1 + X2 + X3 = U72(active(X1),X2,X3) active(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(active(X1),X2) active(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 1 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = X2 + 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = X2 + 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X2 + X3 + 1 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = X2 + X3 + 1 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 1 >= 0 = mark(s(X)) plus(mark(X1),X2) = X2 + 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 1 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = X2 + X3 + 1 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 + X3 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 + 1 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = X1 + 1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 0 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X >= X = isNat(proper(X)) proper(U21(X)) = X + 1 >= X + 1 = U21(proper(X)) proper(U31(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 1 >= X + 1 = U32(proper(X)) proper(U41(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 1 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X1 + X2 + X3 >= X1 + X2 + X3 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = 0 >= 0 = ok(U11(X1,X2)) U12(ok(X)) = 1 >= 0 = ok(U12(X)) isNat(ok(X)) = 0 >= 0 = ok(isNat(X)) U21(ok(X)) = 1 >= 0 = ok(U21(X)) U31(ok(X1),ok(X2)) = 1 >= 0 = ok(U31(X1,X2)) U32(ok(X)) = 1 >= 0 = ok(U32(X)) U41(ok(X1),ok(X2)) = 1 >= 0 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 1 >= 0 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 1 >= 0 = ok(U52(X1,X2,X3)) s(ok(X)) = 1 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = 1 >= 0 = ok(plus(X1,X2)) U61(ok(X)) = 1 >= 0 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 1 >= 0 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 1 >= 0 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: proper#(U72(X1,X2,X3)) -> proper#(X1) proper#(U72(X1,X2,X3)) -> proper#(X2) proper#(U72(X1,X2,X3)) -> proper#(X3) proper#(isNat(X)) -> proper#(X) proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> proper#(X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [proper#](x0) = x0 + 1, [top](x0) = 1, [ok](x0) = 0, [proper](x0) = x0, [x](x0, x1) = 1, [U72](x0, x1, x2) = x0 + x1 + x2 + 1, [U71](x0, x1, x2) = x1 + x2, [0] = 0, [U61](x0) = 0, [s](x0) = 0, [plus](x0, x1) = 0, [U52](x0, x1, x2) = 0, [U51](x0, x1, x2) = 0, [U41](x0, x1) = 0, [U32](x0) = 0, [U31](x0, x1) = 0, [U21](x0) = 1, [mark](x0) = 0, [U12](x0) = 0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x0 + x1, [tt] = 0 orientation: proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X1 + 1 = proper#(X1) proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X2 + 1 = proper#(X2) proper#(U72(X1,X2,X3)) = X1 + X2 + X3 + 2 >= X3 + 1 = proper#(X3) proper#(isNat(X)) = X + 1 >= X + 1 = proper#(X) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X1 + 1 = proper#(X1) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X2 + 1 = proper#(X2) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 0 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 0 >= 0 = mark(tt()) active(U41(tt(),N)) = 0 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = M + N >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M + N + 1 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = 0 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 0 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = 1 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = 0 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = 0 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = 1 >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(active(X1),X2) active(U12(X)) = 0 >= 0 = U12(active(X)) active(U21(X)) = 1 >= 1 = U21(active(X)) active(U31(X1,X2)) = 0 >= 0 = U31(active(X1),X2) active(U32(X)) = 0 >= 0 = U32(active(X)) active(U41(X1,X2)) = 0 >= 0 = U41(active(X1),X2) active(U51(X1,X2,X3)) = 0 >= 0 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = 0 >= 0 = U52(active(X1),X2,X3) active(s(X)) = 0 >= 0 = s(active(X)) active(plus(X1,X2)) = 0 >= 0 = plus(active(X1),X2) active(plus(X1,X2)) = 0 >= 0 = plus(X1,active(X2)) active(U61(X)) = 0 >= 0 = U61(active(X)) active(U71(X1,X2,X3)) = X2 + X3 >= X2 + X3 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U72(active(X1),X2,X3) active(x(X1,X2)) = 1 >= 1 = x(active(X1),X2) active(x(X1,X2)) = 1 >= 1 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 0 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = 0 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = X2 + X3 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 + X3 + 1 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 1 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(proper(X1),proper(X2)) proper(tt()) = 0 >= 0 = ok(tt()) proper(U12(X)) = 0 >= 0 = U12(proper(X)) proper(isNat(X)) = X >= X = isNat(proper(X)) proper(U21(X)) = 1 >= 1 = U21(proper(X)) proper(U31(X1,X2)) = 0 >= 0 = U31(proper(X1),proper(X2)) proper(U32(X)) = 0 >= 0 = U32(proper(X)) proper(U41(X1,X2)) = 0 >= 0 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = 0 >= 0 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = 0 >= 0 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 0 >= 0 = s(proper(X)) proper(plus(X1,X2)) = 0 >= 0 = plus(proper(X1),proper(X2)) proper(U61(X)) = 0 >= 0 = U61(proper(X)) proper(0()) = 0 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = X2 + X3 >= X2 + X3 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X1 + X2 + X3 + 1 >= X1 + X2 + X3 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = 1 >= 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = 0 >= 0 = ok(U11(X1,X2)) U12(ok(X)) = 0 >= 0 = ok(U12(X)) isNat(ok(X)) = 0 >= 0 = ok(isNat(X)) U21(ok(X)) = 1 >= 0 = ok(U21(X)) U31(ok(X1),ok(X2)) = 0 >= 0 = ok(U31(X1,X2)) U32(ok(X)) = 0 >= 0 = ok(U32(X)) U41(ok(X1),ok(X2)) = 0 >= 0 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U52(X1,X2,X3)) s(ok(X)) = 0 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = 0 >= 0 = ok(plus(X1,X2)) U61(ok(X)) = 0 >= 0 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 1 >= 0 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 1 >= 0 = ok(x(X1,X2)) top(mark(X)) = 1 >= 1 = top(proper(X)) top(ok(X)) = 1 >= 1 = top(active(X)) problem: DPs: proper#(isNat(X)) -> proper#(X) proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> proper#(X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [proper#](x0) = x0 + 1, [top](x0) = 1, [ok](x0) = 0, [proper](x0) = x0, [x](x0, x1) = x1 + 1, [U72](x0, x1, x2) = 0, [U71](x0, x1, x2) = 0, [0] = 1, [U61](x0) = 0, [s](x0) = 0, [plus](x0, x1) = 0, [U52](x0, x1, x2) = 0, [U51](x0, x1, x2) = 0, [U41](x0, x1) = 0, [U32](x0) = 1, [U31](x0, x1) = 0, [U21](x0) = 0, [mark](x0) = 0, [U12](x0) = 0, [isNat](x0) = x0 + 1, [active](x0) = x0, [U11](x0, x1) = x0 + x1, [tt] = 0 orientation: proper#(isNat(X)) = X + 2 >= X + 1 = proper#(X) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X1 + 1 = proper#(X1) proper#(U11(X1,X2)) = X1 + X2 + 1 >= X2 + 1 = proper#(X2) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 0 >= 0 = mark(tt()) active(U31(tt(),V2)) = 0 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 0 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = 0 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 2 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 + 2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = 0 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = 0 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 2 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = 1 >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(active(X1),X2) active(U12(X)) = 0 >= 0 = U12(active(X)) active(U21(X)) = 0 >= 0 = U21(active(X)) active(U31(X1,X2)) = 0 >= 0 = U31(active(X1),X2) active(U32(X)) = 1 >= 1 = U32(active(X)) active(U41(X1,X2)) = 0 >= 0 = U41(active(X1),X2) active(U51(X1,X2,X3)) = 0 >= 0 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = 0 >= 0 = U52(active(X1),X2,X3) active(s(X)) = 0 >= 0 = s(active(X)) active(plus(X1,X2)) = 0 >= 0 = plus(active(X1),X2) active(plus(X1,X2)) = 0 >= 0 = plus(X1,active(X2)) active(U61(X)) = 0 >= 0 = U61(active(X)) active(U71(X1,X2,X3)) = 0 >= 0 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = 0 >= 0 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(active(X1),X2) active(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 0 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = 0 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = 0 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 + 1 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 + X2 >= X1 + X2 = U11(proper(X1),proper(X2)) proper(tt()) = 0 >= 0 = ok(tt()) proper(U12(X)) = 0 >= 0 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = 0 >= 0 = U21(proper(X)) proper(U31(X1,X2)) = 0 >= 0 = U31(proper(X1),proper(X2)) proper(U32(X)) = 1 >= 1 = U32(proper(X)) proper(U41(X1,X2)) = 0 >= 0 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = 0 >= 0 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = 0 >= 0 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 0 >= 0 = s(proper(X)) proper(plus(X1,X2)) = 0 >= 0 = plus(proper(X1),proper(X2)) proper(U61(X)) = 0 >= 0 = U61(proper(X)) proper(0()) = 1 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = 0 >= 0 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = 0 >= 0 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = 0 >= 0 = ok(U11(X1,X2)) U12(ok(X)) = 0 >= 0 = ok(U12(X)) isNat(ok(X)) = 1 >= 0 = ok(isNat(X)) U21(ok(X)) = 0 >= 0 = ok(U21(X)) U31(ok(X1),ok(X2)) = 0 >= 0 = ok(U31(X1,X2)) U32(ok(X)) = 1 >= 0 = ok(U32(X)) U41(ok(X1),ok(X2)) = 0 >= 0 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U52(X1,X2,X3)) s(ok(X)) = 0 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = 0 >= 0 = ok(plus(X1,X2)) U61(ok(X)) = 0 >= 0 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 1 >= 0 = ok(x(X1,X2)) top(mark(X)) = 1 >= 1 = top(proper(X)) top(ok(X)) = 1 >= 1 = top(active(X)) problem: DPs: proper#(U11(X1,X2)) -> proper#(X1) proper#(U11(X1,X2)) -> proper#(X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [proper#](x0) = x0 + 1, [top](x0) = 1, [ok](x0) = x0, [proper](x0) = x0, [x](x0, x1) = 0, [U72](x0, x1, x2) = 0, [U71](x0, x1, x2) = 0, [0] = 0, [U61](x0) = 0, [s](x0) = 0, [plus](x0, x1) = 0, [U52](x0, x1, x2) = 0, [U51](x0, x1, x2) = 0, [U41](x0, x1) = 0, [U32](x0) = x0, [U31](x0, x1) = 0, [U21](x0) = x0, [mark](x0) = 0, [U12](x0) = 0, [isNat](x0) = 0, [active](x0) = x0, [U11](x0, x1) = x0 + x1 + 1, [tt] = 1 orientation: proper#(U11(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = proper#(X1) proper#(U11(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = proper#(X2) active(U11(tt(),V2)) = V2 + 2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 0 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 0 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = 0 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = 0 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 0 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = 0 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = 0 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = 0 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 0 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = 0 >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U11(active(X1),X2) active(U12(X)) = 0 >= 0 = U12(active(X)) active(U21(X)) = X >= X = U21(active(X)) active(U31(X1,X2)) = 0 >= 0 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = 0 >= 0 = U41(active(X1),X2) active(U51(X1,X2,X3)) = 0 >= 0 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = 0 >= 0 = U52(active(X1),X2,X3) active(s(X)) = 0 >= 0 = s(active(X)) active(plus(X1,X2)) = 0 >= 0 = plus(active(X1),X2) active(plus(X1,X2)) = 0 >= 0 = plus(X1,active(X2)) active(U61(X)) = 0 >= 0 = U61(active(X)) active(U71(X1,X2,X3)) = 0 >= 0 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = 0 >= 0 = U72(active(X1),X2,X3) active(x(X1,X2)) = 0 >= 0 = x(active(X1),X2) active(x(X1,X2)) = 0 >= 0 = x(X1,active(X2)) U11(mark(X1),X2) = X2 + 1 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 0 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = 0 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = 0 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 0 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = 0 >= 0 = U12(proper(X)) proper(isNat(X)) = 0 >= 0 = isNat(proper(X)) proper(U21(X)) = X >= X = U21(proper(X)) proper(U31(X1,X2)) = 0 >= 0 = U31(proper(X1),proper(X2)) proper(U32(X)) = X >= X = U32(proper(X)) proper(U41(X1,X2)) = 0 >= 0 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = 0 >= 0 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = 0 >= 0 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 0 >= 0 = s(proper(X)) proper(plus(X1,X2)) = 0 >= 0 = plus(proper(X1),proper(X2)) proper(U61(X)) = 0 >= 0 = U61(proper(X)) proper(0()) = 0 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = 0 >= 0 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = 0 >= 0 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = 0 >= 0 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = 0 >= 0 = ok(U12(X)) isNat(ok(X)) = 0 >= 0 = ok(isNat(X)) U21(ok(X)) = X >= X = ok(U21(X)) U31(ok(X1),ok(X2)) = 0 >= 0 = ok(U31(X1,X2)) U32(ok(X)) = X >= X = ok(U32(X)) U41(ok(X1),ok(X2)) = 0 >= 0 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U52(X1,X2,X3)) s(ok(X)) = 0 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = 0 >= 0 = ok(plus(X1,X2)) U61(ok(X)) = 0 >= 0 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 0 >= 0 = ok(x(X1,X2)) top(mark(X)) = 1 >= 1 = top(proper(X)) top(ok(X)) = 1 >= 1 = top(active(X)) problem: DPs: TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: active#(x(X1,X2)) -> active#(X2) active#(x(X1,X2)) -> active#(X1) active#(U72(X1,X2,X3)) -> active#(X1) active#(U71(X1,X2,X3)) -> active#(X1) active#(U61(X)) -> active#(X) active#(plus(X1,X2)) -> active#(X2) active#(plus(X1,X2)) -> active#(X1) active#(s(X)) -> active#(X) active#(U52(X1,X2,X3)) -> active#(X1) active#(U51(X1,X2,X3)) -> active#(X1) active#(U41(X1,X2)) -> active#(X1) active#(U32(X)) -> active#(X) active#(U31(X1,X2)) -> active#(X1) active#(U21(X)) -> active#(X) active#(U12(X)) -> active#(X) active#(U11(X1,X2)) -> active#(X1) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [active#](x0) = x0 + 1, [top](x0) = 0, [ok](x0) = 0, [proper](x0) = x0, [x](x0, x1) = x0 + x1 + 1, [U72](x0, x1, x2) = x0, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = x0 + 1, [plus](x0, x1) = x0 + x1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0 + x2, [U41](x0, x1) = x0, [U32](x0) = x0 + 1, [U31](x0, x1) = x0, [U21](x0) = x0, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x0, [tt] = 0 orientation: active#(x(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = active#(X2) active#(x(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = active#(X1) active#(U72(X1,X2,X3)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U61(X)) = X + 1 >= X + 1 = active#(X) active#(plus(X1,X2)) = X1 + X2 + 1 >= X2 + 1 = active#(X2) active#(plus(X1,X2)) = X1 + X2 + 1 >= X1 + 1 = active#(X1) active#(s(X)) = X + 2 >= X + 1 = active#(X) active#(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U51(X1,X2,X3)) = X1 + X3 + 1 >= X1 + 1 = active#(X1) active#(U41(X1,X2)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U32(X)) = X + 2 >= X + 1 = active#(X) active#(U31(X1,X2)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U21(X)) = X + 1 >= X + 1 = active#(X) active#(U12(X)) = X + 1 >= X + 1 = active#(X) active#(U11(X1,X2)) = X1 + 1 >= X1 + 1 = active#(X1) active(U11(tt(),V2)) = 0 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 0 >= 0 = mark(tt()) active(U31(tt(),V2)) = 0 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 0 >= 0 = mark(N) active(U51(tt(),M,N)) = N >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = 0 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + V2 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 + 1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V1 + V2 + 1 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = M + N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = N + 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M + N + 2 >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 >= X1 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X >= X = U21(active(X)) active(U31(X1,X2)) = X1 >= X1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 >= X1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 + X3 >= X1 + X3 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X + 1 >= X + 1 = s(active(X)) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X1 >= X1 = U72(active(X1),X2,X3) active(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(active(X1),X2) active(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(X1,active(X2)) U11(mark(X1),X2) = 0 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 0 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X3 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 1 >= 0 = mark(s(X)) plus(mark(X1),X2) = X2 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = 0 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 + 1 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = X1 + 1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 >= X1 = U11(proper(X1),proper(X2)) proper(tt()) = 0 >= 0 = ok(tt()) proper(U12(X)) = X >= X = U12(proper(X)) proper(isNat(X)) = X >= X = isNat(proper(X)) proper(U21(X)) = X >= X = U21(proper(X)) proper(U31(X1,X2)) = X1 >= X1 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 1 >= X + 1 = U32(proper(X)) proper(U41(X1,X2)) = X1 >= X1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + X3 >= X1 + X3 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 >= X1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X >= X = U61(proper(X)) proper(0()) = 0 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = X1 >= X1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X1 >= X1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = 0 >= 0 = ok(U11(X1,X2)) U12(ok(X)) = 0 >= 0 = ok(U12(X)) isNat(ok(X)) = 0 >= 0 = ok(isNat(X)) U21(ok(X)) = 0 >= 0 = ok(U21(X)) U31(ok(X1),ok(X2)) = 0 >= 0 = ok(U31(X1,X2)) U32(ok(X)) = 1 >= 0 = ok(U32(X)) U41(ok(X1),ok(X2)) = 0 >= 0 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U52(X1,X2,X3)) s(ok(X)) = 1 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = 0 >= 0 = ok(plus(X1,X2)) U61(ok(X)) = 0 >= 0 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 0 >= 0 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 1 >= 0 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: active#(U72(X1,X2,X3)) -> active#(X1) active#(U71(X1,X2,X3)) -> active#(X1) active#(U61(X)) -> active#(X) active#(plus(X1,X2)) -> active#(X2) active#(plus(X1,X2)) -> active#(X1) active#(U52(X1,X2,X3)) -> active#(X1) active#(U51(X1,X2,X3)) -> active#(X1) active#(U41(X1,X2)) -> active#(X1) active#(U31(X1,X2)) -> active#(X1) active#(U21(X)) -> active#(X) active#(U12(X)) -> active#(X) active#(U11(X1,X2)) -> active#(X1) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [active#](x0) = x0, [top](x0) = 0, [ok](x0) = x0, [proper](x0) = x0, [x](x0, x1) = x0, [U72](x0, x1, x2) = x0, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = 0, [plus](x0, x1) = x0 + x1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0, [U41](x0, x1) = x0, [U32](x0) = 0, [U31](x0, x1) = x0, [U21](x0) = x0, [mark](x0) = 0, [U12](x0) = x0 + 1, [isNat](x0) = 0, [active](x0) = x0, [U11](x0, x1) = x0, [tt] = 1 orientation: active#(U72(X1,X2,X3)) = X1 >= X1 = active#(X1) active#(U71(X1,X2,X3)) = X1 >= X1 = active#(X1) active#(U61(X)) = X >= X = active#(X) active#(plus(X1,X2)) = X1 + X2 >= X2 = active#(X2) active#(plus(X1,X2)) = X1 + X2 >= X1 = active#(X1) active#(U52(X1,X2,X3)) = X1 >= X1 = active#(X1) active#(U51(X1,X2,X3)) = X1 >= X1 = active#(X1) active#(U41(X1,X2)) = X1 >= X1 = active#(X1) active#(U31(X1,X2)) = X1 >= X1 = active#(X1) active#(U21(X)) = X >= X = active#(X) active#(U12(X)) = X + 1 >= X = active#(X) active#(U11(X1,X2)) = X1 >= X1 = active#(X1) active(U11(tt(),V2)) = 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 2 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 0 >= 0 = mark(tt()) active(U41(tt(),N)) = 1 >= 0 = mark(N) active(U51(tt(),M,N)) = 1 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 1 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 1 >= 0 = mark(0()) active(U71(tt(),M,N)) = 1 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = 1 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = 0 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 0 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = 0 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = N >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = N >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 >= X1 = U11(active(X1),X2) active(U12(X)) = X + 1 >= X + 1 = U12(active(X)) active(U21(X)) = X >= X = U21(active(X)) active(U31(X1,X2)) = X1 >= X1 = U31(active(X1),X2) active(U32(X)) = 0 >= 0 = U32(active(X)) active(U41(X1,X2)) = X1 >= X1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 >= X1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = 0 >= 0 = s(active(X)) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X1 >= X1 = U72(active(X1),X2,X3) active(x(X1,X2)) = X1 >= X1 = x(active(X1),X2) active(x(X1,X2)) = X1 >= X1 = x(X1,active(X2)) U11(mark(X1),X2) = 0 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 1 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 0 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = X2 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = 0 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 0 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = X1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 >= X1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = 0 >= 0 = isNat(proper(X)) proper(U21(X)) = X >= X = U21(proper(X)) proper(U31(X1,X2)) = X1 >= X1 = U31(proper(X1),proper(X2)) proper(U32(X)) = 0 >= 0 = U32(proper(X)) proper(U41(X1,X2)) = X1 >= X1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 >= X1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 >= X1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 0 >= 0 = s(proper(X)) proper(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X >= X = U61(proper(X)) proper(0()) = 0 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = X1 >= X1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X1 >= X1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X1 >= X1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X1 >= X1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = 0 >= 0 = ok(isNat(X)) U21(ok(X)) = X >= X = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 >= X1 = ok(U31(X1,X2)) U32(ok(X)) = 0 >= 0 = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 >= X1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 >= X1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 >= X1 = ok(U52(X1,X2,X3)) s(ok(X)) = 0 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + X2 >= X1 + X2 = ok(plus(X1,X2)) U61(ok(X)) = X >= X = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 >= X1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X1 >= X1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X1 >= X1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: active#(U72(X1,X2,X3)) -> active#(X1) active#(U71(X1,X2,X3)) -> active#(X1) active#(U61(X)) -> active#(X) active#(plus(X1,X2)) -> active#(X2) active#(plus(X1,X2)) -> active#(X1) active#(U52(X1,X2,X3)) -> active#(X1) active#(U51(X1,X2,X3)) -> active#(X1) active#(U41(X1,X2)) -> active#(X1) active#(U31(X1,X2)) -> active#(X1) active#(U21(X)) -> active#(X) active#(U11(X1,X2)) -> active#(X1) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [active#](x0) = x0 + 1, [top](x0) = 0, [ok](x0) = x0, [proper](x0) = x0, [x](x0, x1) = x0, [U72](x0, x1, x2) = x0 + x2 + 1, [U71](x0, x1, x2) = x0 + x2 + 1, [0] = 0, [U61](x0) = x0 + 1, [s](x0) = 0, [plus](x0, x1) = x0 + x1 + 1, [U52](x0, x1, x2) = x0 + 1, [U51](x0, x1, x2) = x0 + 1, [U41](x0, x1) = x0 + 1, [U32](x0) = x0, [U31](x0, x1) = x0, [U21](x0) = x0, [mark](x0) = 0, [U12](x0) = 0, [isNat](x0) = 1, [active](x0) = x0, [U11](x0, x1) = x0, [tt] = 1 orientation: active#(U72(X1,X2,X3)) = X1 + X3 + 2 >= X1 + 1 = active#(X1) active#(U71(X1,X2,X3)) = X1 + X3 + 2 >= X1 + 1 = active#(X1) active#(U61(X)) = X + 2 >= X + 1 = active#(X) active#(plus(X1,X2)) = X1 + X2 + 2 >= X2 + 1 = active#(X2) active#(plus(X1,X2)) = X1 + X2 + 2 >= X1 + 1 = active#(X1) active#(U52(X1,X2,X3)) = X1 + 2 >= X1 + 1 = active#(X1) active#(U51(X1,X2,X3)) = X1 + 2 >= X1 + 1 = active#(X1) active#(U41(X1,X2)) = X1 + 2 >= X1 + 1 = active#(X1) active#(U31(X1,X2)) = X1 + 1 >= X1 + 1 = active#(X1) active#(U21(X)) = X + 1 >= X + 1 = active#(X) active#(U11(X1,X2)) = X1 + 1 >= X1 + 1 = active#(X1) active(U11(tt(),V2)) = 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 2 >= 0 = mark(N) active(U51(tt(),M,N)) = 2 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 2 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 2 >= 0 = mark(0()) active(U71(tt(),M,N)) = N + 2 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = N + 2 >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = 1 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = N >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = N >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 >= X1 = U11(active(X1),X2) active(U12(X)) = 0 >= 0 = U12(active(X)) active(U21(X)) = X >= X = U21(active(X)) active(U31(X1,X2)) = X1 >= X1 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(active(X1),X2,X3) active(s(X)) = 0 >= 0 = s(active(X)) active(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(X1,active(X2)) active(U61(X)) = X + 1 >= X + 1 = U61(active(X)) active(U71(X1,X2,X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = U72(active(X1),X2,X3) active(x(X1,X2)) = X1 >= X1 = x(active(X1),X2) active(x(X1,X2)) = X1 >= X1 = x(X1,active(X2)) U11(mark(X1),X2) = 0 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 1 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 1 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = X2 + 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 1 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = X3 + 1 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X3 + 1 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 0 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = X1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 >= X1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = 0 >= 0 = U12(proper(X)) proper(isNat(X)) = 1 >= 1 = isNat(proper(X)) proper(U21(X)) = X >= X = U21(proper(X)) proper(U31(X1,X2)) = X1 >= X1 = U31(proper(X1),proper(X2)) proper(U32(X)) = X >= X = U32(proper(X)) proper(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 0 >= 0 = s(proper(X)) proper(plus(X1,X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 0 >= 0 = ok(0()) proper(U71(X1,X2,X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X1 >= X1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X1 >= X1 = ok(U11(X1,X2)) U12(ok(X)) = 0 >= 0 = ok(U12(X)) isNat(ok(X)) = 1 >= 1 = ok(isNat(X)) U21(ok(X)) = X >= X = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 >= X1 = ok(U31(X1,X2)) U32(ok(X)) = X >= X = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = 0 >= 0 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + X2 + 1 >= X1 + X2 + 1 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X1 + X3 + 1 >= X1 + X3 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X1 >= X1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: active#(U31(X1,X2)) -> active#(X1) active#(U21(X)) -> active#(X) active#(U11(X1,X2)) -> active#(X1) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [active#](x0) = x0 + 1, [top](x0) = 0, [ok](x0) = x0, [proper](x0) = x0, [x](x0, x1) = 1, [U72](x0, x1, x2) = 1, [U71](x0, x1, x2) = 1, [0] = 1, [U61](x0) = 1, [s](x0) = 1, [plus](x0, x1) = x0 + x1, [U52](x0, x1, x2) = 1, [U51](x0, x1, x2) = 1, [U41](x0, x1) = 1, [U32](x0) = 1, [U31](x0, x1) = x0 + 1, [U21](x0) = x0 + 1, [mark](x0) = 1, [U12](x0) = 1, [isNat](x0) = 1, [active](x0) = x0, [U11](x0, x1) = x0 + 1, [tt] = 0 orientation: active#(U31(X1,X2)) = X1 + 2 >= X1 + 1 = active#(X1) active#(U21(X)) = X + 2 >= X + 1 = active#(X) active#(U11(X1,X2)) = X1 + 2 >= X1 + 1 = active#(X1) active(U11(tt(),V2)) = 1 >= 1 = mark(U12(isNat(V2))) active(U12(tt())) = 1 >= 1 = mark(tt()) active(U21(tt())) = 1 >= 1 = mark(tt()) active(U31(tt(),V2)) = 1 >= 1 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 1 = mark(tt()) active(U41(tt(),N)) = 1 >= 1 = mark(N) active(U51(tt(),M,N)) = 1 >= 1 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 1 >= 1 = mark(s(plus(N,M))) active(U61(tt())) = 1 >= 1 = mark(0()) active(U71(tt(),M,N)) = 1 >= 1 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = 1 >= 1 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 1 = mark(tt()) active(isNat(plus(V1,V2))) = 1 >= 1 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = 1 >= 1 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = 1 >= 1 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 1 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 1 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 1 = mark(U61(isNat(N))) active(x(N,s(M))) = 1 >= 1 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X1 + 1 >= X1 + 1 = U11(active(X1),X2) active(U12(X)) = 1 >= 1 = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(active(X1),X2) active(U32(X)) = 1 >= 1 = U32(active(X)) active(U41(X1,X2)) = 1 >= 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = 1 >= 1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = 1 >= 1 = U52(active(X1),X2,X3) active(s(X)) = 1 >= 1 = s(active(X)) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(X1,active(X2)) active(U61(X)) = 1 >= 1 = U61(active(X)) active(U71(X1,X2,X3)) = 1 >= 1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = 1 >= 1 = U72(active(X1),X2,X3) active(x(X1,X2)) = 1 >= 1 = x(active(X1),X2) active(x(X1,X2)) = 1 >= 1 = x(X1,active(X2)) U11(mark(X1),X2) = 2 >= 1 = mark(U11(X1,X2)) U12(mark(X)) = 1 >= 1 = mark(U12(X)) U21(mark(X)) = 2 >= 1 = mark(U21(X)) U31(mark(X1),X2) = 2 >= 1 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 1 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 1 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 1 >= 1 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 1 >= 1 = mark(U52(X1,X2,X3)) s(mark(X)) = 1 >= 1 = mark(s(X)) plus(mark(X1),X2) = X2 + 1 >= 1 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 1 = mark(plus(X1,X2)) U61(mark(X)) = 1 >= 1 = mark(U61(X)) U71(mark(X1),X2,X3) = 1 >= 1 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = 1 >= 1 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 1 >= 1 = mark(x(X1,X2)) x(X1,mark(X2)) = 1 >= 1 = mark(x(X1,X2)) proper(U11(X1,X2)) = X1 + 1 >= X1 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 0 >= 0 = ok(tt()) proper(U12(X)) = 1 >= 1 = U12(proper(X)) proper(isNat(X)) = 1 >= 1 = isNat(proper(X)) proper(U21(X)) = X + 1 >= X + 1 = U21(proper(X)) proper(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(proper(X1),proper(X2)) proper(U32(X)) = 1 >= 1 = U32(proper(X)) proper(U41(X1,X2)) = 1 >= 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = 1 >= 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = 1 >= 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 1 >= 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + X2 >= X1 + X2 = plus(proper(X1),proper(X2)) proper(U61(X)) = 1 >= 1 = U61(proper(X)) proper(0()) = 1 >= 1 = ok(0()) proper(U71(X1,X2,X3)) = 1 >= 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = 1 >= 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = 1 >= 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(U11(X1,X2)) U12(ok(X)) = 1 >= 1 = ok(U12(X)) isNat(ok(X)) = 1 >= 1 = ok(isNat(X)) U21(ok(X)) = X + 1 >= X + 1 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(U31(X1,X2)) U32(ok(X)) = 1 >= 1 = ok(U32(X)) U41(ok(X1),ok(X2)) = 1 >= 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = 1 >= 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = 1 >= 1 = ok(U52(X1,X2,X3)) s(ok(X)) = 1 >= 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + X2 >= X1 + X2 = ok(plus(X1,X2)) U61(ok(X)) = 1 >= 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = 1 >= 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = 1 >= 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = 1 >= 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: isNat#(ok(X)) -> isNat#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [isNat#](x0) = x0 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = 1, [x](x0, x1) = x0, [U72](x0, x1, x2) = x2, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x2, [U41](x0, x1) = x1, [U32](x0) = x0, [U31](x0, x1) = x0, [U21](x0) = x0, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1, [tt] = 0 orientation: isNat#(ok(X)) = X + 2 >= X + 1 = isNat#(X) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 0 >= 0 = mark(tt()) active(U31(tt(),V2)) = 0 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 0 >= 0 = mark(tt()) active(U41(tt(),N)) = N >= 0 = mark(N) active(U51(tt(),M,N)) = N >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = N >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V2 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V1 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = 0 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = M >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = N >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = N >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 >= X2 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X >= X = U21(active(X)) active(U31(X1,X2)) = X1 >= X1 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = X2 >= X2 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X3 >= X3 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X2 >= X2 = plus(active(X1),X2) active(plus(X1,X2)) = X2 >= X2 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X3 >= X3 = U72(active(X1),X2,X3) active(x(X1,X2)) = X1 >= X1 = x(active(X1),X2) active(x(X1,X2)) = X1 >= X1 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 0 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 0 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = X2 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X3 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = X2 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = 0 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X3 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = 0 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = X1 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = 1 >= 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = 1 >= 1 = U12(proper(X)) proper(isNat(X)) = 1 >= 1 = isNat(proper(X)) proper(U21(X)) = 1 >= 1 = U21(proper(X)) proper(U31(X1,X2)) = 1 >= 1 = U31(proper(X1),proper(X2)) proper(U32(X)) = 1 >= 1 = U32(proper(X)) proper(U41(X1,X2)) = 1 >= 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = 1 >= 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = 1 >= 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = 1 >= 1 = s(proper(X)) proper(plus(X1,X2)) = 1 >= 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = 1 >= 1 = U61(proper(X)) proper(0()) = 1 >= 1 = ok(0()) proper(U71(X1,X2,X3)) = 1 >= 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = 1 >= 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = 1 >= 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 1 >= X + 1 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(U31(X1,X2)) U32(ok(X)) = X + 1 >= X + 1 = ok(U32(X)) U41(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: U11#(ok(X1),ok(X2)) -> U11#(X1,X2) U11#(mark(X1),X2) -> U11#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U11#](x0, x1) = x1 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x2, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0, [U52](x0, x1, x2) = x1, [U51](x0, x1, x2) = x2, [U41](x0, x1) = x1, [U32](x0) = x0, [U31](x0, x1) = x1 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1 + 1, [tt] = 1 orientation: U11#(ok(X1),ok(X2)) = X2 + 2 >= X2 + 1 = U11#(X1,X2) U11#(mark(X1),X2) = X2 + 1 >= X2 + 1 = U11#(X1,X2) active(U11(tt(),V2)) = V2 + 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 1 >= 0 = mark(tt()) active(U21(tt())) = 2 >= 0 = mark(tt()) active(U31(tt(),V2)) = V2 + 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = N >= 0 = mark(N) active(U51(tt(),M,N)) = N >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = M >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 1 >= 0 = mark(0()) active(U71(tt(),M,N)) = 1 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = N >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 0 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X2 + 1 >= X2 + 1 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = X2 >= X2 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X3 >= X3 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X2 >= X2 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 >= X1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 >= X1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X3 >= X3 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 + 1 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = X2 + 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = X2 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X3 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = X2 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X3 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 2 >= X2 + 2 = U11(proper(X1),proper(X2)) proper(tt()) = 2 >= 2 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X2 + 2 >= X2 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 1 >= X + 1 = U32(proper(X)) proper(U41(X1,X2)) = X2 + 1 >= X2 + 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 1 >= 1 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 1 >= X + 1 = ok(U32(X)) U41(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U11#(mark(X1),X2) -> U11#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U12#(ok(X)) -> U12#(X) U12#(mark(X)) -> U12#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U21#(ok(X)) -> U21#(X) U21#(mark(X)) -> U21#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U31#(ok(X1),ok(X2)) -> U31#(X1,X2) U31#(mark(X1),X2) -> U31#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U31#](x0, x1) = x1 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x2, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0, [U52](x0, x1, x2) = x1, [U51](x0, x1, x2) = x2, [U41](x0, x1) = x1, [U32](x0) = x0, [U31](x0, x1) = x1 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1 + 1, [tt] = 1 orientation: U31#(ok(X1),ok(X2)) = X2 + 2 >= X2 + 1 = U31#(X1,X2) U31#(mark(X1),X2) = X2 + 1 >= X2 + 1 = U31#(X1,X2) active(U11(tt(),V2)) = V2 + 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 1 >= 0 = mark(tt()) active(U21(tt())) = 2 >= 0 = mark(tt()) active(U31(tt(),V2)) = V2 + 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = N >= 0 = mark(N) active(U51(tt(),M,N)) = N >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = M >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 1 >= 0 = mark(0()) active(U71(tt(),M,N)) = 1 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = N >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 0 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X2 + 1 >= X2 + 1 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = X2 >= X2 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X3 >= X3 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X2 >= X2 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 >= X1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 >= X1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X3 >= X3 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 + 1 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = X2 + 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = X2 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X3 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = X2 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X3 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 2 >= X2 + 2 = U11(proper(X1),proper(X2)) proper(tt()) = 2 >= 2 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X2 + 2 >= X2 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 1 >= X + 1 = U32(proper(X)) proper(U41(X1,X2)) = X2 + 1 >= X2 + 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 1 >= 1 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 1 >= X + 1 = ok(U32(X)) U41(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U31#(mark(X1),X2) -> U31#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U32#(ok(X)) -> U32#(X) U32#(mark(X)) -> U32#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U41#(ok(X1),ok(X2)) -> U41#(X1,X2) U41#(mark(X1),X2) -> U41#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U41#](x0, x1) = x1 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x2, [U71](x0, x1, x2) = x0, [0] = 0, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0, [U52](x0, x1, x2) = x1, [U51](x0, x1, x2) = x2, [U41](x0, x1) = x1, [U32](x0) = x0, [U31](x0, x1) = x1 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1 + 1, [tt] = 1 orientation: U41#(ok(X1),ok(X2)) = X2 + 2 >= X2 + 1 = U41#(X1,X2) U41#(mark(X1),X2) = X2 + 1 >= X2 + 1 = U41#(X1,X2) active(U11(tt(),V2)) = V2 + 1 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 1 >= 0 = mark(tt()) active(U21(tt())) = 2 >= 0 = mark(tt()) active(U31(tt(),V2)) = V2 + 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = N >= 0 = mark(N) active(U51(tt(),M,N)) = N >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = M >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 1 >= 0 = mark(0()) active(U71(tt(),M,N)) = 1 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = N >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 0 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 0 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X2 + 1 >= X2 + 1 = U31(active(X1),X2) active(U32(X)) = X >= X = U32(active(X)) active(U41(X1,X2)) = X2 >= X2 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X3 >= X3 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X2 >= X2 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 >= X1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 >= X1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X3 >= X3 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 + 1 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = X2 + 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 0 >= 0 = mark(U32(X)) U41(mark(X1),X2) = X2 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = X3 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = X2 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 0 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X3 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 2 >= X2 + 2 = U11(proper(X1),proper(X2)) proper(tt()) = 2 >= 2 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X2 + 2 >= X2 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 1 >= X + 1 = U32(proper(X)) proper(U41(X1,X2)) = X2 + 1 >= X2 + 1 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 1 >= 1 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X3 + 1 >= X3 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X2 + 2 >= X2 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 1 >= X + 1 = ok(U32(X)) U41(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 1 >= X1 + 1 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X3 + 1 >= X3 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U41#(mark(X1),X2) -> U41#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U51#(ok(X1),ok(X2),ok(X3)) -> U51#(X1,X2,X3) U51#(mark(X1),X2,X3) -> U51#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U51#](x0, x1, x2) = x2 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x1, [U71](x0, x1, x2) = x0, [0] = 1, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0 + 1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0, [U41](x0, x1) = x0 + 1, [U32](x0) = x0 + 1, [U31](x0, x1) = x0 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1, [tt] = 0 orientation: U51#(ok(X1),ok(X2),ok(X3)) = X3 + 2 >= X3 + 1 = U51#(X1,X2,X3) U51#(mark(X1),X2,X3) = X3 + 1 >= X3 + 1 = U51#(X1,X2,X3) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 1 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 >= X2 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 >= X1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X2 >= X2 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X1 + 2 >= X1 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 2 >= X + 2 = U32(proper(X)) proper(U41(X1,X2)) = X1 + 2 >= X1 + 2 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 2 >= X1 + 2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 2 >= 2 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 2 >= X + 2 = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U51#(mark(X1),X2,X3) -> U51#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U52#(ok(X1),ok(X2),ok(X3)) -> U52#(X1,X2,X3) U52#(mark(X1),X2,X3) -> U52#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U52#](x0, x1, x2) = x2 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x1, [U71](x0, x1, x2) = x0, [0] = 1, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0 + 1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0, [U41](x0, x1) = x0 + 1, [U32](x0) = x0 + 1, [U31](x0, x1) = x0 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1, [tt] = 0 orientation: U52#(ok(X1),ok(X2),ok(X3)) = X3 + 2 >= X3 + 1 = U52#(X1,X2,X3) U52#(mark(X1),X2,X3) = X3 + 1 >= X3 + 1 = U52#(X1,X2,X3) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 1 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 >= X2 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 >= X1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X2 >= X2 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X1 + 2 >= X1 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 2 >= X + 2 = U32(proper(X)) proper(U41(X1,X2)) = X1 + 2 >= X1 + 2 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 2 >= X1 + 2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 2 >= 2 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 2 >= X + 2 = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U52#(mark(X1),X2,X3) -> U52#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: s#(ok(X)) -> s#(X) s#(mark(X)) -> s#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: plus#(ok(X1),ok(X2)) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) plus#(mark(X1),X2) -> plus#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U61#(ok(X)) -> U61#(X) U61#(mark(X)) -> U61#(X) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U71#(ok(X1),ok(X2),ok(X3)) -> U71#(X1,X2,X3) U71#(mark(X1),X2,X3) -> U71#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U71#](x0, x1, x2) = x2 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x1, [U71](x0, x1, x2) = x0, [0] = 1, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0 + 1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0, [U41](x0, x1) = x0 + 1, [U32](x0) = x0 + 1, [U31](x0, x1) = x0 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1, [tt] = 0 orientation: U71#(ok(X1),ok(X2),ok(X3)) = X3 + 2 >= X3 + 1 = U71#(X1,X2,X3) U71#(mark(X1),X2,X3) = X3 + 1 >= X3 + 1 = U71#(X1,X2,X3) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 1 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 >= X2 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 >= X1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X2 >= X2 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X1 + 2 >= X1 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 2 >= X + 2 = U32(proper(X)) proper(U41(X1,X2)) = X1 + 2 >= X1 + 2 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 2 >= X1 + 2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 2 >= 2 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 2 >= X + 2 = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U71#(mark(X1),X2,X3) -> U71#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: U72#(ok(X1),ok(X2),ok(X3)) -> U72#(X1,X2,X3) U72#(mark(X1),X2,X3) -> U72#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dimension: 1 interpretation: [U72#](x0, x1, x2) = x2 + 1, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0 + 1, [x](x0, x1) = x1, [U72](x0, x1, x2) = x1, [U71](x0, x1, x2) = x0, [0] = 1, [U61](x0) = x0, [s](x0) = x0, [plus](x0, x1) = x0 + 1, [U52](x0, x1, x2) = x0, [U51](x0, x1, x2) = x0, [U41](x0, x1) = x0 + 1, [U32](x0) = x0 + 1, [U31](x0, x1) = x0 + 1, [U21](x0) = x0 + 1, [mark](x0) = 0, [U12](x0) = x0, [isNat](x0) = x0, [active](x0) = x0, [U11](x0, x1) = x1, [tt] = 0 orientation: U72#(ok(X1),ok(X2),ok(X3)) = X3 + 2 >= X3 + 1 = U72#(X1,X2,X3) U72#(mark(X1),X2,X3) = X3 + 1 >= X3 + 1 = U72#(X1,X2,X3) active(U11(tt(),V2)) = V2 >= 0 = mark(U12(isNat(V2))) active(U12(tt())) = 0 >= 0 = mark(tt()) active(U21(tt())) = 1 >= 0 = mark(tt()) active(U31(tt(),V2)) = 1 >= 0 = mark(U32(isNat(V2))) active(U32(tt())) = 1 >= 0 = mark(tt()) active(U41(tt(),N)) = 1 >= 0 = mark(N) active(U51(tt(),M,N)) = 0 >= 0 = mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) = 0 >= 0 = mark(s(plus(N,M))) active(U61(tt())) = 0 >= 0 = mark(0()) active(U71(tt(),M,N)) = 0 >= 0 = mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) = M >= 0 = mark(plus(x(N,M),N)) active(isNat(0())) = 1 >= 0 = mark(tt()) active(isNat(plus(V1,V2))) = V1 + 1 >= 0 = mark(U11(isNat(V1),V2)) active(isNat(s(V1))) = V1 >= 0 = mark(U21(isNat(V1))) active(isNat(x(V1,V2))) = V2 >= 0 = mark(U31(isNat(V1),V2)) active(plus(N,0())) = N + 1 >= 0 = mark(U41(isNat(N),N)) active(plus(N,s(M))) = N + 1 >= 0 = mark(U51(isNat(M),M,N)) active(x(N,0())) = 1 >= 0 = mark(U61(isNat(N))) active(x(N,s(M))) = M >= 0 = mark(U71(isNat(M),M,N)) active(U11(X1,X2)) = X2 >= X2 = U11(active(X1),X2) active(U12(X)) = X >= X = U12(active(X)) active(U21(X)) = X + 1 >= X + 1 = U21(active(X)) active(U31(X1,X2)) = X1 + 1 >= X1 + 1 = U31(active(X1),X2) active(U32(X)) = X + 1 >= X + 1 = U32(active(X)) active(U41(X1,X2)) = X1 + 1 >= X1 + 1 = U41(active(X1),X2) active(U51(X1,X2,X3)) = X1 >= X1 = U51(active(X1),X2,X3) active(U52(X1,X2,X3)) = X1 >= X1 = U52(active(X1),X2,X3) active(s(X)) = X >= X = s(active(X)) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(active(X1),X2) active(plus(X1,X2)) = X1 + 1 >= X1 + 1 = plus(X1,active(X2)) active(U61(X)) = X >= X = U61(active(X)) active(U71(X1,X2,X3)) = X1 >= X1 = U71(active(X1),X2,X3) active(U72(X1,X2,X3)) = X2 >= X2 = U72(active(X1),X2,X3) active(x(X1,X2)) = X2 >= X2 = x(active(X1),X2) active(x(X1,X2)) = X2 >= X2 = x(X1,active(X2)) U11(mark(X1),X2) = X2 >= 0 = mark(U11(X1,X2)) U12(mark(X)) = 0 >= 0 = mark(U12(X)) U21(mark(X)) = 1 >= 0 = mark(U21(X)) U31(mark(X1),X2) = 1 >= 0 = mark(U31(X1,X2)) U32(mark(X)) = 1 >= 0 = mark(U32(X)) U41(mark(X1),X2) = 1 >= 0 = mark(U41(X1,X2)) U51(mark(X1),X2,X3) = 0 >= 0 = mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) = 0 >= 0 = mark(U52(X1,X2,X3)) s(mark(X)) = 0 >= 0 = mark(s(X)) plus(mark(X1),X2) = 1 >= 0 = mark(plus(X1,X2)) plus(X1,mark(X2)) = X1 + 1 >= 0 = mark(plus(X1,X2)) U61(mark(X)) = 0 >= 0 = mark(U61(X)) U71(mark(X1),X2,X3) = 0 >= 0 = mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) = X2 >= 0 = mark(U72(X1,X2,X3)) x(mark(X1),X2) = X2 >= 0 = mark(x(X1,X2)) x(X1,mark(X2)) = 0 >= 0 = mark(x(X1,X2)) proper(U11(X1,X2)) = X2 + 1 >= X2 + 1 = U11(proper(X1),proper(X2)) proper(tt()) = 1 >= 1 = ok(tt()) proper(U12(X)) = X + 1 >= X + 1 = U12(proper(X)) proper(isNat(X)) = X + 1 >= X + 1 = isNat(proper(X)) proper(U21(X)) = X + 2 >= X + 2 = U21(proper(X)) proper(U31(X1,X2)) = X1 + 2 >= X1 + 2 = U31(proper(X1),proper(X2)) proper(U32(X)) = X + 2 >= X + 2 = U32(proper(X)) proper(U41(X1,X2)) = X1 + 2 >= X1 + 2 = U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) = X + 1 >= X + 1 = s(proper(X)) proper(plus(X1,X2)) = X1 + 2 >= X1 + 2 = plus(proper(X1),proper(X2)) proper(U61(X)) = X + 1 >= X + 1 = U61(proper(X)) proper(0()) = 2 >= 2 = ok(0()) proper(U71(X1,X2,X3)) = X1 + 1 >= X1 + 1 = U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) = X2 + 1 >= X2 + 1 = U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) = X2 + 1 >= X2 + 1 = x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(U11(X1,X2)) U12(ok(X)) = X + 1 >= X + 1 = ok(U12(X)) isNat(ok(X)) = X + 1 >= X + 1 = ok(isNat(X)) U21(ok(X)) = X + 2 >= X + 2 = ok(U21(X)) U31(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U31(X1,X2)) U32(ok(X)) = X + 2 >= X + 2 = ok(U32(X)) U41(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U52(X1,X2,X3)) s(ok(X)) = X + 1 >= X + 1 = ok(s(X)) plus(ok(X1),ok(X2)) = X1 + 2 >= X1 + 2 = ok(plus(X1,X2)) U61(ok(X)) = X + 1 >= X + 1 = ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) = X1 + 1 >= X1 + 1 = ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) = X2 + 1 >= X2 + 1 = ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) = X2 + 1 >= X2 + 1 = ok(x(X1,X2)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: U72#(mark(X1),X2,X3) -> U72#(X1,X2,X3) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open DPs: x#(ok(X1),ok(X2)) -> x#(X1,X2) x#(X1,mark(X2)) -> x#(X1,X2) x#(mark(X1),X2) -> x#(X1,X2) TRS: active(U11(tt(),V2)) -> mark(U12(isNat(V2))) active(U12(tt())) -> mark(tt()) active(U21(tt())) -> mark(tt()) active(U31(tt(),V2)) -> mark(U32(isNat(V2))) active(U32(tt())) -> mark(tt()) active(U41(tt(),N)) -> mark(N) active(U51(tt(),M,N)) -> mark(U52(isNat(N),M,N)) active(U52(tt(),M,N)) -> mark(s(plus(N,M))) active(U61(tt())) -> mark(0()) active(U71(tt(),M,N)) -> mark(U72(isNat(N),M,N)) active(U72(tt(),M,N)) -> mark(plus(x(N,M),N)) active(isNat(0())) -> mark(tt()) active(isNat(plus(V1,V2))) -> mark(U11(isNat(V1),V2)) active(isNat(s(V1))) -> mark(U21(isNat(V1))) active(isNat(x(V1,V2))) -> mark(U31(isNat(V1),V2)) active(plus(N,0())) -> mark(U41(isNat(N),N)) active(plus(N,s(M))) -> mark(U51(isNat(M),M,N)) active(x(N,0())) -> mark(U61(isNat(N))) active(x(N,s(M))) -> mark(U71(isNat(M),M,N)) active(U11(X1,X2)) -> U11(active(X1),X2) active(U12(X)) -> U12(active(X)) active(U21(X)) -> U21(active(X)) active(U31(X1,X2)) -> U31(active(X1),X2) active(U32(X)) -> U32(active(X)) active(U41(X1,X2)) -> U41(active(X1),X2) active(U51(X1,X2,X3)) -> U51(active(X1),X2,X3) active(U52(X1,X2,X3)) -> U52(active(X1),X2,X3) active(s(X)) -> s(active(X)) active(plus(X1,X2)) -> plus(active(X1),X2) active(plus(X1,X2)) -> plus(X1,active(X2)) active(U61(X)) -> U61(active(X)) active(U71(X1,X2,X3)) -> U71(active(X1),X2,X3) active(U72(X1,X2,X3)) -> U72(active(X1),X2,X3) active(x(X1,X2)) -> x(active(X1),X2) active(x(X1,X2)) -> x(X1,active(X2)) U11(mark(X1),X2) -> mark(U11(X1,X2)) U12(mark(X)) -> mark(U12(X)) U21(mark(X)) -> mark(U21(X)) U31(mark(X1),X2) -> mark(U31(X1,X2)) U32(mark(X)) -> mark(U32(X)) U41(mark(X1),X2) -> mark(U41(X1,X2)) U51(mark(X1),X2,X3) -> mark(U51(X1,X2,X3)) U52(mark(X1),X2,X3) -> mark(U52(X1,X2,X3)) s(mark(X)) -> mark(s(X)) plus(mark(X1),X2) -> mark(plus(X1,X2)) plus(X1,mark(X2)) -> mark(plus(X1,X2)) U61(mark(X)) -> mark(U61(X)) U71(mark(X1),X2,X3) -> mark(U71(X1,X2,X3)) U72(mark(X1),X2,X3) -> mark(U72(X1,X2,X3)) x(mark(X1),X2) -> mark(x(X1,X2)) x(X1,mark(X2)) -> mark(x(X1,X2)) proper(U11(X1,X2)) -> U11(proper(X1),proper(X2)) proper(tt()) -> ok(tt()) proper(U12(X)) -> U12(proper(X)) proper(isNat(X)) -> isNat(proper(X)) proper(U21(X)) -> U21(proper(X)) proper(U31(X1,X2)) -> U31(proper(X1),proper(X2)) proper(U32(X)) -> U32(proper(X)) proper(U41(X1,X2)) -> U41(proper(X1),proper(X2)) proper(U51(X1,X2,X3)) -> U51(proper(X1),proper(X2),proper(X3)) proper(U52(X1,X2,X3)) -> U52(proper(X1),proper(X2),proper(X3)) proper(s(X)) -> s(proper(X)) proper(plus(X1,X2)) -> plus(proper(X1),proper(X2)) proper(U61(X)) -> U61(proper(X)) proper(0()) -> ok(0()) proper(U71(X1,X2,X3)) -> U71(proper(X1),proper(X2),proper(X3)) proper(U72(X1,X2,X3)) -> U72(proper(X1),proper(X2),proper(X3)) proper(x(X1,X2)) -> x(proper(X1),proper(X2)) U11(ok(X1),ok(X2)) -> ok(U11(X1,X2)) U12(ok(X)) -> ok(U12(X)) isNat(ok(X)) -> ok(isNat(X)) U21(ok(X)) -> ok(U21(X)) U31(ok(X1),ok(X2)) -> ok(U31(X1,X2)) U32(ok(X)) -> ok(U32(X)) U41(ok(X1),ok(X2)) -> ok(U41(X1,X2)) U51(ok(X1),ok(X2),ok(X3)) -> ok(U51(X1,X2,X3)) U52(ok(X1),ok(X2),ok(X3)) -> ok(U52(X1,X2,X3)) s(ok(X)) -> ok(s(X)) plus(ok(X1),ok(X2)) -> ok(plus(X1,X2)) U61(ok(X)) -> ok(U61(X)) U71(ok(X1),ok(X2),ok(X3)) -> ok(U71(X1,X2,X3)) U72(ok(X1),ok(X2),ok(X3)) -> ok(U72(X1,X2,X3)) x(ok(X1),ok(X2)) -> ok(x(X1,X2)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Open