YES Problem: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X Proof: DP Processor: DPs: U11#(tt(),V2) -> activate#(V2) U11#(tt(),V2) -> isNat#(activate(V2)) U11#(tt(),V2) -> U12#(isNat(activate(V2))) U31#(tt(),N) -> activate#(N) U41#(tt(),M,N) -> activate#(M) U41#(tt(),M,N) -> activate#(N) U41#(tt(),M,N) -> isNat#(activate(N)) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) U42#(tt(),M,N) -> activate#(M) U42#(tt(),M,N) -> activate#(N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) U42#(tt(),M,N) -> s#(plus(activate(N),activate(M))) isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__plus(V1,V2)) -> activate#(V1) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) isNat#(n__s(V1)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) plus#(N,0()) -> isNat#(N) plus#(N,0()) -> U31#(isNat(N),N) plus#(N,s(M)) -> isNat#(M) plus#(N,s(M)) -> U41#(isNat(M),M,N) activate#(n__0()) -> 0#() activate#(n__plus(X1,X2)) -> plus#(X1,X2) activate#(n__s(X)) -> s#(X) TRS: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X TDG Processor: DPs: U11#(tt(),V2) -> activate#(V2) U11#(tt(),V2) -> isNat#(activate(V2)) U11#(tt(),V2) -> U12#(isNat(activate(V2))) U31#(tt(),N) -> activate#(N) U41#(tt(),M,N) -> activate#(M) U41#(tt(),M,N) -> activate#(N) U41#(tt(),M,N) -> isNat#(activate(N)) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) U42#(tt(),M,N) -> activate#(M) U42#(tt(),M,N) -> activate#(N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) U42#(tt(),M,N) -> s#(plus(activate(N),activate(M))) isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__plus(V1,V2)) -> activate#(V1) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) isNat#(n__s(V1)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) plus#(N,0()) -> isNat#(N) plus#(N,0()) -> U31#(isNat(N),N) plus#(N,s(M)) -> isNat#(M) plus#(N,s(M)) -> U41#(isNat(M),M,N) activate#(n__0()) -> 0#() activate#(n__plus(X1,X2)) -> plus#(X1,X2) activate#(n__s(X)) -> s#(X) TRS: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X graph: plus#(N,0()) -> U31#(isNat(N),N) -> U31#(tt(),N) -> activate#(N) plus#(N,0()) -> isNat#(N) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) plus#(N,0()) -> isNat#(N) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) plus#(N,0()) -> isNat#(N) -> isNat#(n__s(V1)) -> activate#(V1) plus#(N,0()) -> isNat#(N) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) plus#(N,0()) -> isNat#(N) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) plus#(N,0()) -> isNat#(N) -> isNat#(n__plus(V1,V2)) -> activate#(V1) plus#(N,0()) -> isNat#(N) -> isNat#(n__plus(V1,V2)) -> activate#(V2) plus#(N,s(M)) -> U41#(isNat(M),M,N) -> U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) plus#(N,s(M)) -> U41#(isNat(M),M,N) -> U41#(tt(),M,N) -> isNat#(activate(N)) plus#(N,s(M)) -> U41#(isNat(M),M,N) -> U41#(tt(),M,N) -> activate#(N) plus#(N,s(M)) -> U41#(isNat(M),M,N) -> U41#(tt(),M,N) -> activate#(M) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__s(V1)) -> activate#(V1) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__plus(V1,V2)) -> activate#(V1) plus#(N,s(M)) -> isNat#(M) -> isNat#(n__plus(V1,V2)) -> activate#(V2) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) -> plus#(N,s(M)) -> U41#(isNat(M),M,N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) -> plus#(N,s(M)) -> isNat#(M) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) -> plus#(N,0()) -> U31#(isNat(N),N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) -> plus#(N,0()) -> isNat#(N) U42#(tt(),M,N) -> activate#(N) -> activate#(n__s(X)) -> s#(X) U42#(tt(),M,N) -> activate#(N) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U42#(tt(),M,N) -> activate#(N) -> activate#(n__0()) -> 0#() U42#(tt(),M,N) -> activate#(M) -> activate#(n__s(X)) -> s#(X) U42#(tt(),M,N) -> activate#(M) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U42#(tt(),M,N) -> activate#(M) -> activate#(n__0()) -> 0#() U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) -> U42#(tt(),M,N) -> s#(plus(activate(N),activate(M))) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) -> U42#(tt(),M,N) -> plus#(activate(N),activate(M)) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) -> U42#(tt(),M,N) -> activate#(N) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) -> U42#(tt(),M,N) -> activate#(M) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__s(V1)) -> activate#(V1) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__plus(V1,V2)) -> activate#(V1) U41#(tt(),M,N) -> isNat#(activate(N)) -> isNat#(n__plus(V1,V2)) -> activate#(V2) U41#(tt(),M,N) -> activate#(N) -> activate#(n__s(X)) -> s#(X) U41#(tt(),M,N) -> activate#(N) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U41#(tt(),M,N) -> activate#(N) -> activate#(n__0()) -> 0#() U41#(tt(),M,N) -> activate#(M) -> activate#(n__s(X)) -> s#(X) U41#(tt(),M,N) -> activate#(M) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U41#(tt(),M,N) -> activate#(M) -> activate#(n__0()) -> 0#() U31#(tt(),N) -> activate#(N) -> activate#(n__s(X)) -> s#(X) U31#(tt(),N) -> activate#(N) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U31#(tt(),N) -> activate#(N) -> activate#(n__0()) -> 0#() isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__s(V1)) -> activate#(V1) -> activate#(n__s(X)) -> s#(X) isNat#(n__s(V1)) -> activate#(V1) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) isNat#(n__s(V1)) -> activate#(V1) -> activate#(n__0()) -> 0#() isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__s(V1)) -> activate#(V1) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> activate#(V1) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) -> isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__plus(V1,V2)) -> activate#(V2) -> activate#(n__s(X)) -> s#(X) isNat#(n__plus(V1,V2)) -> activate#(V2) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) isNat#(n__plus(V1,V2)) -> activate#(V2) -> activate#(n__0()) -> 0#() isNat#(n__plus(V1,V2)) -> activate#(V1) -> activate#(n__s(X)) -> s#(X) isNat#(n__plus(V1,V2)) -> activate#(V1) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) isNat#(n__plus(V1,V2)) -> activate#(V1) -> activate#(n__0()) -> 0#() isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) -> U11#(tt(),V2) -> U12#(isNat(activate(V2))) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) -> U11#(tt(),V2) -> isNat#(activate(V2)) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) -> U11#(tt(),V2) -> activate#(V2) activate#(n__plus(X1,X2)) -> plus#(X1,X2) -> plus#(N,s(M)) -> U41#(isNat(M),M,N) activate#(n__plus(X1,X2)) -> plus#(X1,X2) -> plus#(N,s(M)) -> isNat#(M) activate#(n__plus(X1,X2)) -> plus#(X1,X2) -> plus#(N,0()) -> U31#(isNat(N),N) activate#(n__plus(X1,X2)) -> plus#(X1,X2) -> plus#(N,0()) -> isNat#(N) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__s(V1)) -> U21#(isNat(activate(V1))) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__s(V1)) -> isNat#(activate(V1)) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__s(V1)) -> activate#(V1) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__plus(V1,V2)) -> activate#(V1) U11#(tt(),V2) -> isNat#(activate(V2)) -> isNat#(n__plus(V1,V2)) -> activate#(V2) U11#(tt(),V2) -> activate#(V2) -> activate#(n__s(X)) -> s#(X) U11#(tt(),V2) -> activate#(V2) -> activate#(n__plus(X1,X2)) -> plus#(X1,X2) U11#(tt(),V2) -> activate#(V2) -> activate#(n__0()) -> 0#() SCC Processor: #sccs: 1 #rules: 21 #arcs: 89/676 DPs: plus#(N,0()) -> U31#(isNat(N),N) U31#(tt(),N) -> activate#(N) activate#(n__plus(X1,X2)) -> plus#(X1,X2) plus#(N,0()) -> isNat#(N) isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__plus(V1,V2)) -> activate#(V1) isNat#(n__plus(V1,V2)) -> isNat#(activate(V1)) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) U11#(tt(),V2) -> activate#(V2) U11#(tt(),V2) -> isNat#(activate(V2)) isNat#(n__s(V1)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) plus#(N,s(M)) -> isNat#(M) plus#(N,s(M)) -> U41#(isNat(M),M,N) U41#(tt(),M,N) -> activate#(M) U41#(tt(),M,N) -> activate#(N) U41#(tt(),M,N) -> isNat#(activate(N)) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) U42#(tt(),M,N) -> activate#(M) U42#(tt(),M,N) -> activate#(N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) TRS: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X Arctic Interpretation Processor: dimension: 1 interpretation: [plus#](x0, x1) = 5x0 + 5x1 + 0, [U42#](x0, x1, x2) = 5x1 + 5x2 + 5, [U41#](x0, x1, x2) = 5x0 + 5x1 + 5x2 + 0, [U31#](x0, x1) = x0 + 5x1 + 0, [isNat#](x0) = 5x0 + 5, [activate#](x0) = 5x0, [U11#](x0, x1) = 4x0 + 5x1 + 0, [0] = 1, [n__s](x0) = x0, [n__plus](x0, x1) = 1x0 + x1 + 1, [n__0] = 1, [s](x0) = x0 + 0, [plus](x0, x1) = 1x0 + x1 + 1, [U42](x0, x1, x2) = x0 + x1 + 1x2 + 0, [U41](x0, x1, x2) = x1 + 1x2 + 1, [U31](x0, x1) = 1x0 + x1 + 0, [U21](x0) = x0 + 0, [U12](x0) = x0 + 1, [isNat](x0) = x0 + 0, [activate](x0) = x0 + 0, [U11](x0, x1) = x0 + x1 + 0, [tt] = 1 orientation: plus#(N,0()) = 5N + 6 >= 5N + 0 = U31#(isNat(N),N) U31#(tt(),N) = 5N + 1 >= 5N = activate#(N) activate#(n__plus(X1,X2)) = 6X1 + 5X2 + 6 >= 5X1 + 5X2 + 0 = plus#(X1,X2) plus#(N,0()) = 5N + 6 >= 5N + 5 = isNat#(N) isNat#(n__plus(V1,V2)) = 6V1 + 5V2 + 6 >= 5V2 = activate#(V2) isNat#(n__plus(V1,V2)) = 6V1 + 5V2 + 6 >= 5V1 = activate#(V1) isNat#(n__plus(V1,V2)) = 6V1 + 5V2 + 6 >= 5V1 + 5 = isNat#(activate(V1)) isNat#(n__plus(V1,V2)) = 6V1 + 5V2 + 6 >= 4V1 + 5V2 + 5 = U11#(isNat(activate(V1)),activate(V2)) U11#(tt(),V2) = 5V2 + 5 >= 5V2 = activate#(V2) U11#(tt(),V2) = 5V2 + 5 >= 5V2 + 5 = isNat#(activate(V2)) isNat#(n__s(V1)) = 5V1 + 5 >= 5V1 = activate#(V1) isNat#(n__s(V1)) = 5V1 + 5 >= 5V1 + 5 = isNat#(activate(V1)) plus#(N,s(M)) = 5M + 5N + 5 >= 5M + 5 = isNat#(M) plus#(N,s(M)) = 5M + 5N + 5 >= 5M + 5N + 5 = U41#(isNat(M),M,N) U41#(tt(),M,N) = 5M + 5N + 6 >= 5M = activate#(M) U41#(tt(),M,N) = 5M + 5N + 6 >= 5N = activate#(N) U41#(tt(),M,N) = 5M + 5N + 6 >= 5N + 5 = isNat#(activate(N)) U41#(tt(),M,N) = 5M + 5N + 6 >= 5M + 5N + 5 = U42#(isNat(activate(N)),activate(M),activate(N)) U42#(tt(),M,N) = 5M + 5N + 5 >= 5M = activate#(M) U42#(tt(),M,N) = 5M + 5N + 5 >= 5N = activate#(N) U42#(tt(),M,N) = 5M + 5N + 5 >= 5M + 5N + 5 = plus#(activate(N),activate(M)) U11(tt(),V2) = V2 + 1 >= V2 + 1 = U12(isNat(activate(V2))) U12(tt()) = 1 >= 1 = tt() U21(tt()) = 1 >= 1 = tt() U31(tt(),N) = N + 2 >= N + 0 = activate(N) U41(tt(),M,N) = M + 1N + 1 >= M + 1N + 1 = U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) = M + 1N + 1 >= M + 1N + 1 = s(plus(activate(N),activate(M))) isNat(n__0()) = 1 >= 1 = tt() isNat(n__plus(V1,V2)) = 1V1 + V2 + 1 >= V1 + V2 + 0 = U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) = V1 + 0 >= V1 + 0 = U21(isNat(activate(V1))) plus(N,0()) = 1N + 1 >= 1N + 1 = U31(isNat(N),N) plus(N,s(M)) = M + 1N + 1 >= M + 1N + 1 = U41(isNat(M),M,N) 0() = 1 >= 1 = n__0() plus(X1,X2) = 1X1 + X2 + 1 >= 1X1 + X2 + 1 = n__plus(X1,X2) s(X) = X + 0 >= X = n__s(X) activate(n__0()) = 1 >= 1 = 0() activate(n__plus(X1,X2)) = 1X1 + X2 + 1 >= 1X1 + X2 + 1 = plus(X1,X2) activate(n__s(X)) = X + 0 >= X + 0 = s(X) activate(X) = X + 0 >= X = X problem: DPs: plus#(N,0()) -> U31#(isNat(N),N) U31#(tt(),N) -> activate#(N) activate#(n__plus(X1,X2)) -> plus#(X1,X2) plus#(N,0()) -> isNat#(N) isNat#(n__plus(V1,V2)) -> activate#(V2) isNat#(n__plus(V1,V2)) -> U11#(isNat(activate(V1)),activate(V2)) U11#(tt(),V2) -> activate#(V2) U11#(tt(),V2) -> isNat#(activate(V2)) isNat#(n__s(V1)) -> activate#(V1) isNat#(n__s(V1)) -> isNat#(activate(V1)) plus#(N,s(M)) -> isNat#(M) plus#(N,s(M)) -> U41#(isNat(M),M,N) U41#(tt(),M,N) -> activate#(M) U41#(tt(),M,N) -> activate#(N) U41#(tt(),M,N) -> isNat#(activate(N)) U41#(tt(),M,N) -> U42#(isNat(activate(N)),activate(M),activate(N)) U42#(tt(),M,N) -> activate#(M) U42#(tt(),M,N) -> activate#(N) U42#(tt(),M,N) -> plus#(activate(N),activate(M)) TRS: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X KBO Processor: argument filtering: pi(tt) = [] pi(U11) = [0,1] pi(activate) = [0] pi(isNat) = 0 pi(U12) = [0] pi(U21) = 0 pi(U31) = [1] pi(U41) = [1,2] pi(U42) = [1,2] pi(plus) = [0,1] pi(s) = [0] pi(n__0) = [] pi(n__plus) = [0,1] pi(n__s) = [0] pi(0) = [] pi(U11#) = [1] pi(activate#) = 0 pi(isNat#) = [0] pi(U31#) = 1 pi(U41#) = [1,2] pi(U42#) = [1,2] pi(plus#) = [0,1] weight function: w0 = 1 w(U31#) = w(U11#) = w(0) = w(n__s) = w(n__0) = w(s) = w(U42) = w( U41) = w(U31) = w(U12) = w(tt) = 1 w(plus#) = w(U42#) = w(U41#) = w(isNat#) = w(activate#) = w(n__plus) = w( plus) = w(U21) = w(isNat) = w(activate) = w(U11) = 0 precedence: isNat# ~ activate > 0 ~ plus > n__plus > n__0 > U41 > U41# ~ U42 > U42# ~ s ~ U11 > plus# ~ U31# ~ activate# ~ U11# ~ n__s ~ U31 ~ U21 ~ U12 ~ isNat ~ tt problem: DPs: U31#(tt(),N) -> activate#(N) TRS: U11(tt(),V2) -> U12(isNat(activate(V2))) U12(tt()) -> tt() U21(tt()) -> tt() U31(tt(),N) -> activate(N) U41(tt(),M,N) -> U42(isNat(activate(N)),activate(M),activate(N)) U42(tt(),M,N) -> s(plus(activate(N),activate(M))) isNat(n__0()) -> tt() isNat(n__plus(V1,V2)) -> U11(isNat(activate(V1)),activate(V2)) isNat(n__s(V1)) -> U21(isNat(activate(V1))) plus(N,0()) -> U31(isNat(N),N) plus(N,s(M)) -> U41(isNat(M),M,N) 0() -> n__0() plus(X1,X2) -> n__plus(X1,X2) s(X) -> n__s(X) activate(n__0()) -> 0() activate(n__plus(X1,X2)) -> plus(X1,X2) activate(n__s(X)) -> s(X) activate(X) -> X SCC Processor: #sccs: 0 #rules: 0 #arcs: 63/1