(VAR V1 V V2 L N X1 X2 X3 X) (RULES a__zeros -> cons(0,zeros) a__U11(tt,V1) -> a__U12(a__isNatIListKind(V1),V1) a__U12(tt,V1) -> a__U13(a__isNatList(V1)) a__U13(tt) -> tt a__U21(tt,V1) -> a__U22(a__isNatKind(V1),V1) a__U22(tt,V1) -> a__U23(a__isNat(V1)) a__U23(tt) -> tt a__U31(tt,V) -> a__U32(a__isNatIListKind(V),V) a__U32(tt,V) -> a__U33(a__isNatList(V)) a__U33(tt) -> tt a__U41(tt,V1,V2) -> a__U42(a__isNatKind(V1),V1,V2) a__U42(tt,V1,V2) -> a__U43(a__isNatIListKind(V2),V1,V2) a__U43(tt,V1,V2) -> a__U44(a__isNatIListKind(V2),V1,V2) a__U44(tt,V1,V2) -> a__U45(a__isNat(V1),V2) a__U45(tt,V2) -> a__U46(a__isNatIList(V2)) a__U46(tt) -> tt a__U51(tt,V2) -> a__U52(a__isNatIListKind(V2)) a__U52(tt) -> tt a__U61(tt) -> tt a__U71(tt) -> tt a__U81(tt,V1,V2) -> a__U82(a__isNatKind(V1),V1,V2) a__U82(tt,V1,V2) -> a__U83(a__isNatIListKind(V2),V1,V2) a__U83(tt,V1,V2) -> a__U84(a__isNatIListKind(V2),V1,V2) a__U84(tt,V1,V2) -> a__U85(a__isNat(V1),V2) a__U85(tt,V2) -> a__U86(a__isNatList(V2)) a__U86(tt) -> tt a__U91(tt,L,N) -> a__U92(a__isNatIListKind(L),L,N) a__U92(tt,L,N) -> a__U93(a__isNat(N),L,N) a__U93(tt,L,N) -> a__U94(a__isNatKind(N),L) a__U94(tt,L) -> s(a__length(mark(L))) a__isNat(0) -> tt a__isNat(length(V1)) -> a__U11(a__isNatIListKind(V1),V1) a__isNat(s(V1)) -> a__U21(a__isNatKind(V1),V1) a__isNatIList(V) -> a__U31(a__isNatIListKind(V),V) a__isNatIList(zeros) -> tt a__isNatIList(cons(V1,V2)) -> a__U41(a__isNatKind(V1),V1,V2) a__isNatIListKind(nil) -> tt a__isNatIListKind(zeros) -> tt a__isNatIListKind(cons(V1,V2)) -> a__U51(a__isNatKind(V1),V2) a__isNatKind(0) -> tt a__isNatKind(length(V1)) -> a__U61(a__isNatIListKind(V1)) a__isNatKind(s(V1)) -> a__U71(a__isNatKind(V1)) a__isNatList(nil) -> tt a__isNatList(cons(V1,V2)) -> a__U81(a__isNatKind(V1),V1,V2) a__length(nil) -> 0 a__length(cons(N,L)) -> a__U91(a__isNatList(L),L,N) mark(zeros) -> a__zeros mark(U11(X1,X2)) -> a__U11(mark(X1),X2) mark(U12(X1,X2)) -> a__U12(mark(X1),X2) mark(isNatIListKind(X)) -> a__isNatIListKind(X) mark(U13(X)) -> a__U13(mark(X)) mark(isNatList(X)) -> a__isNatList(X) mark(U21(X1,X2)) -> a__U21(mark(X1),X2) mark(U22(X1,X2)) -> a__U22(mark(X1),X2) mark(isNatKind(X)) -> a__isNatKind(X) mark(U23(X)) -> a__U23(mark(X)) mark(isNat(X)) -> a__isNat(X) mark(U31(X1,X2)) -> a__U31(mark(X1),X2) mark(U32(X1,X2)) -> a__U32(mark(X1),X2) mark(U33(X)) -> a__U33(mark(X)) mark(U41(X1,X2,X3)) -> a__U41(mark(X1),X2,X3) mark(U42(X1,X2,X3)) -> a__U42(mark(X1),X2,X3) mark(U43(X1,X2,X3)) -> a__U43(mark(X1),X2,X3) mark(U44(X1,X2,X3)) -> a__U44(mark(X1),X2,X3) mark(U45(X1,X2)) -> a__U45(mark(X1),X2) mark(U46(X)) -> a__U46(mark(X)) mark(isNatIList(X)) -> a__isNatIList(X) mark(U51(X1,X2)) -> a__U51(mark(X1),X2) mark(U52(X)) -> a__U52(mark(X)) mark(U61(X)) -> a__U61(mark(X)) mark(U71(X)) -> a__U71(mark(X)) mark(U81(X1,X2,X3)) -> a__U81(mark(X1),X2,X3) mark(U82(X1,X2,X3)) -> a__U82(mark(X1),X2,X3) mark(U83(X1,X2,X3)) -> a__U83(mark(X1),X2,X3) mark(U84(X1,X2,X3)) -> a__U84(mark(X1),X2,X3) mark(U85(X1,X2)) -> a__U85(mark(X1),X2) mark(U86(X)) -> a__U86(mark(X)) mark(U91(X1,X2,X3)) -> a__U91(mark(X1),X2,X3) mark(U92(X1,X2,X3)) -> a__U92(mark(X1),X2,X3) mark(U93(X1,X2,X3)) -> a__U93(mark(X1),X2,X3) mark(U94(X1,X2)) -> a__U94(mark(X1),X2) mark(length(X)) -> a__length(mark(X)) mark(cons(X1,X2)) -> cons(mark(X1),X2) mark(0) -> 0 mark(tt) -> tt mark(s(X)) -> s(mark(X)) mark(nil) -> nil a__zeros -> zeros a__U11(X1,X2) -> U11(X1,X2) a__U12(X1,X2) -> U12(X1,X2) a__isNatIListKind(X) -> isNatIListKind(X) a__U13(X) -> U13(X) a__isNatList(X) -> isNatList(X) a__U21(X1,X2) -> U21(X1,X2) a__U22(X1,X2) -> U22(X1,X2) a__isNatKind(X) -> isNatKind(X) a__U23(X) -> U23(X) a__isNat(X) -> isNat(X) a__U31(X1,X2) -> U31(X1,X2) a__U32(X1,X2) -> U32(X1,X2) a__U33(X) -> U33(X) a__U41(X1,X2,X3) -> U41(X1,X2,X3) a__U42(X1,X2,X3) -> U42(X1,X2,X3) a__U43(X1,X2,X3) -> U43(X1,X2,X3) a__U44(X1,X2,X3) -> U44(X1,X2,X3) a__U45(X1,X2) -> U45(X1,X2) a__U46(X) -> U46(X) a__isNatIList(X) -> isNatIList(X) a__U51(X1,X2) -> U51(X1,X2) a__U52(X) -> U52(X) a__U61(X) -> U61(X) a__U71(X) -> U71(X) a__U81(X1,X2,X3) -> U81(X1,X2,X3) a__U82(X1,X2,X3) -> U82(X1,X2,X3) a__U83(X1,X2,X3) -> U83(X1,X2,X3) a__U84(X1,X2,X3) -> U84(X1,X2,X3) a__U85(X1,X2) -> U85(X1,X2) a__U86(X) -> U86(X) a__U91(X1,X2,X3) -> U91(X1,X2,X3) a__U92(X1,X2,X3) -> U92(X1,X2,X3) a__U93(X1,X2,X3) -> U93(X1,X2,X3) a__U94(X1,X2) -> U94(X1,X2) a__length(X) -> length(X) )