TIMEOUT

The TRS could not be proven terminating. The proof attempt took 60010 ms.

The following DP Processors were used


Problem 1 was processed with processor DependencyGraph (6315ms).
 | – Problem 2 remains open; application of the following processors failed [SubtermCriterion (1ms), DependencyGraph (3600ms), PolynomialLinearRange4iUR (timeout), DependencyGraph (3715ms), PolynomialLinearRange8NegiUR (30032ms), DependencyGraph (timeout), ReductionPairSAT (timeout)].

The following open problems remain:



Open Dependency Pair Problem 2

Dependency Pairs

a__U51#(tt, V1, V2)a__isNat#(V1)mark#(U11(X1, X2))mark#(X1)
a__length#(cons(N, L))a__and#(a__isNatList(L), isNatIListKind(L))mark#(isNatIListKind(X))a__isNatIListKind#(X)
mark#(isNatIList(X))a__isNatIList#(X)a__isNatKind#(length(V1))a__isNatIListKind#(V1)
a__and#(tt, X)mark#(X)a__U52#(tt, V2)a__isNatList#(V2)
mark#(U31(X1, X2))mark#(X1)mark#(s(X))mark#(X)
a__U21#(tt, V1)a__isNat#(V1)mark#(U53(X))mark#(X)
a__isNatList#(cons(V1, V2))a__isNatKind#(V1)mark#(U42(X1, X2))a__U42#(mark(X1), X2)
a__isNatIList#(V)a__U31#(a__isNatIListKind(V), V)mark#(cons(X1, X2))mark#(X1)
a__isNat#(s(V1))a__isNatKind#(V1)a__isNatIList#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))
mark#(isNatList(X))a__isNatList#(X)mark#(U61(X1, X2))a__U61#(mark(X1), X2)
mark#(and(X1, X2))mark#(X1)mark#(and(X1, X2))a__and#(mark(X1), X2)
mark#(U41(X1, X2, X3))mark#(X1)a__isNatIListKind#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))
a__isNatIList#(cons(V1, V2))a__U41#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__U51#(tt, V1, V2)a__U52#(a__isNat(V1), V2)
a__length#(cons(N, L))a__U61#(a__and(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N))), L)mark#(U61(X1, X2))mark#(X1)
mark#(isNat(X))a__isNat#(X)a__isNat#(length(V1))a__isNatIListKind#(V1)
a__U41#(tt, V1, V2)a__isNat#(V1)a__isNatIList#(V)a__isNatIListKind#(V)
a__isNatIListKind#(cons(V1, V2))a__isNatKind#(V1)mark#(U32(X))mark#(X)
mark#(U21(X1, X2))mark#(X1)mark#(U41(X1, X2, X3))a__U41#(mark(X1), X2, X3)
mark#(U31(X1, X2))a__U31#(mark(X1), X2)a__isNatKind#(s(V1))a__isNatKind#(V1)
mark#(length(X))a__length#(mark(X))mark#(U51(X1, X2, X3))mark#(X1)
a__U61#(tt, L)a__length#(mark(L))a__isNatIList#(cons(V1, V2))a__isNatKind#(V1)
mark#(U52(X1, X2))a__U52#(mark(X1), X2)mark#(length(X))mark#(X)
a__length#(cons(N, L))a__isNatList#(L)a__U11#(tt, V1)a__isNatList#(V1)
mark#(U12(X))mark#(X)mark#(U42(X1, X2))mark#(X1)
a__U61#(tt, L)mark#(L)mark#(U52(X1, X2))mark#(X1)
a__isNat#(length(V1))a__U11#(a__isNatIListKind(V1), V1)a__U42#(tt, V2)a__isNatIList#(V2)
a__isNatList#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))mark#(U51(X1, X2, X3))a__U51#(mark(X1), X2, X3)
mark#(U22(X))mark#(X)a__length#(cons(N, L))a__and#(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N)))
mark#(U43(X))mark#(X)a__isNat#(s(V1))a__U21#(a__isNatKind(V1), V1)
mark#(U21(X1, X2))a__U21#(mark(X1), X2)a__U31#(tt, V)a__isNatList#(V)
a__U41#(tt, V1, V2)a__U42#(a__isNat(V1), V2)mark#(isNatKind(X))a__isNatKind#(X)
a__isNatList#(cons(V1, V2))a__U51#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)mark#(U11(X1, X2))a__U11#(mark(X1), X2)

Rewrite Rules

a__zeroscons(0, zeros)a__U11(tt, V1)a__U12(a__isNatList(V1))
a__U12(tt)tta__U21(tt, V1)a__U22(a__isNat(V1))
a__U22(tt)tta__U31(tt, V)a__U32(a__isNatList(V))
a__U32(tt)tta__U41(tt, V1, V2)a__U42(a__isNat(V1), V2)
a__U42(tt, V2)a__U43(a__isNatIList(V2))a__U43(tt)tt
a__U51(tt, V1, V2)a__U52(a__isNat(V1), V2)a__U52(tt, V2)a__U53(a__isNatList(V2))
a__U53(tt)tta__U61(tt, L)s(a__length(mark(L)))
a__and(tt, X)mark(X)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__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__isNatIListKind(nil)tt
a__isNatIListKind(zeros)tta__isNatIListKind(cons(V1, V2))a__and(a__isNatKind(V1), isNatIListKind(V2))
a__isNatKind(0)tta__isNatKind(length(V1))a__isNatIListKind(V1)
a__isNatKind(s(V1))a__isNatKind(V1)a__isNatList(nil)tt
a__isNatList(cons(V1, V2))a__U51(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__length(nil)0
a__length(cons(N, L))a__U61(a__and(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N))), L)mark(zeros)a__zeros
mark(U11(X1, X2))a__U11(mark(X1), X2)mark(U12(X))a__U12(mark(X))
mark(isNatList(X))a__isNatList(X)mark(U21(X1, X2))a__U21(mark(X1), X2)
mark(U22(X))a__U22(mark(X))mark(isNat(X))a__isNat(X)
mark(U31(X1, X2))a__U31(mark(X1), X2)mark(U32(X))a__U32(mark(X))
mark(U41(X1, X2, X3))a__U41(mark(X1), X2, X3)mark(U42(X1, X2))a__U42(mark(X1), X2)
mark(U43(X))a__U43(mark(X))mark(isNatIList(X))a__isNatIList(X)
mark(U51(X1, X2, X3))a__U51(mark(X1), X2, X3)mark(U52(X1, X2))a__U52(mark(X1), X2)
mark(U53(X))a__U53(mark(X))mark(U61(X1, X2))a__U61(mark(X1), X2)
mark(length(X))a__length(mark(X))mark(and(X1, X2))a__and(mark(X1), X2)
mark(isNatIListKind(X))a__isNatIListKind(X)mark(isNatKind(X))a__isNatKind(X)
mark(cons(X1, X2))cons(mark(X1), X2)mark(0)0
mark(tt)ttmark(s(X))s(mark(X))
mark(nil)nila__zeroszeros
a__U11(X1, X2)U11(X1, X2)a__U12(X)U12(X)
a__isNatList(X)isNatList(X)a__U21(X1, X2)U21(X1, X2)
a__U22(X)U22(X)a__isNat(X)isNat(X)
a__U31(X1, X2)U31(X1, X2)a__U32(X)U32(X)
a__U41(X1, X2, X3)U41(X1, X2, X3)a__U42(X1, X2)U42(X1, X2)
a__U43(X)U43(X)a__isNatIList(X)isNatIList(X)
a__U51(X1, X2, X3)U51(X1, X2, X3)a__U52(X1, X2)U52(X1, X2)
a__U53(X)U53(X)a__U61(X1, X2)U61(X1, X2)
a__length(X)length(X)a__and(X1, X2)and(X1, X2)
a__isNatIListKind(X)isNatIListKind(X)a__isNatKind(X)isNatKind(X)

Original Signature

Termination of terms over the following signature is verified: a__U51, a__U52, a__U53, isNatIListKind, a__isNatIListKind, a__and, isNat, a__isNatList, U61, U43, U42, U41, length, a__U41, a__U22, a__U43, a__U42, U21, a__U21, U22, cons, a__zeros, isNatIList, isNatKind, a__length, mark, and, 0, U51, isNatList, a__isNatIList, s, tt, zeros, U53, a__isNat, U52, a__U32, U11, a__U31, U12, a__U12, U31, a__U11, U32, a__U61, nil, a__isNatKind


Problem 1: DependencyGraph



Dependency Pair Problem

Dependency Pairs

a__U51#(tt, V1, V2)a__isNat#(V1)mark#(U11(X1, X2))mark#(X1)
mark#(isNatIListKind(X))a__isNatIListKind#(X)a__length#(cons(N, L))a__and#(a__isNatList(L), isNatIListKind(L))
mark#(isNatIList(X))a__isNatIList#(X)a__isNatKind#(length(V1))a__isNatIListKind#(V1)
mark#(U53(X))a__U53#(mark(X))a__and#(tt, X)mark#(X)
a__U52#(tt, V2)a__isNatList#(V2)mark#(U31(X1, X2))mark#(X1)
mark#(s(X))mark#(X)a__U31#(tt, V)a__U32#(a__isNatList(V))
a__U21#(tt, V1)a__isNat#(V1)mark#(U53(X))mark#(X)
a__isNatList#(cons(V1, V2))a__isNatKind#(V1)a__isNatIList#(V)a__U31#(a__isNatIListKind(V), V)
mark#(U42(X1, X2))a__U42#(mark(X1), X2)mark#(cons(X1, X2))mark#(X1)
a__isNat#(s(V1))a__isNatKind#(V1)mark#(isNatList(X))a__isNatList#(X)
a__isNatIList#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))mark#(U61(X1, X2))a__U61#(mark(X1), X2)
mark#(and(X1, X2))mark#(X1)mark#(U41(X1, X2, X3))mark#(X1)
mark#(and(X1, X2))a__and#(mark(X1), X2)a__isNatIListKind#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))
a__isNatIList#(cons(V1, V2))a__U41#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__U51#(tt, V1, V2)a__U52#(a__isNat(V1), V2)
a__length#(cons(N, L))a__U61#(a__and(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N))), L)mark#(U61(X1, X2))mark#(X1)
mark#(U43(X))a__U43#(mark(X))mark#(isNat(X))a__isNat#(X)
a__isNat#(length(V1))a__isNatIListKind#(V1)a__U41#(tt, V1, V2)a__isNat#(V1)
a__U42#(tt, V2)a__U43#(a__isNatIList(V2))mark#(U32(X))a__U32#(mark(X))
mark#(zeros)a__zeros#a__isNatIList#(V)a__isNatIListKind#(V)
a__isNatIListKind#(cons(V1, V2))a__isNatKind#(V1)mark#(U32(X))mark#(X)
mark#(U21(X1, X2))mark#(X1)mark#(U41(X1, X2, X3))a__U41#(mark(X1), X2, X3)
mark#(U31(X1, X2))a__U31#(mark(X1), X2)a__isNatKind#(s(V1))a__isNatKind#(V1)
mark#(length(X))a__length#(mark(X))a__U21#(tt, V1)a__U22#(a__isNat(V1))
mark#(U51(X1, X2, X3))mark#(X1)a__U61#(tt, L)a__length#(mark(L))
a__U11#(tt, V1)a__U12#(a__isNatList(V1))mark#(U22(X))a__U22#(mark(X))
a__isNatIList#(cons(V1, V2))a__isNatKind#(V1)mark#(U52(X1, X2))a__U52#(mark(X1), X2)
mark#(length(X))mark#(X)a__length#(cons(N, L))a__isNatList#(L)
a__U11#(tt, V1)a__isNatList#(V1)mark#(U12(X))mark#(X)
mark#(U42(X1, X2))mark#(X1)a__U61#(tt, L)mark#(L)
mark#(U52(X1, X2))mark#(X1)a__isNat#(length(V1))a__U11#(a__isNatIListKind(V1), V1)
mark#(U12(X))a__U12#(mark(X))a__U42#(tt, V2)a__isNatIList#(V2)
a__isNatList#(cons(V1, V2))a__and#(a__isNatKind(V1), isNatIListKind(V2))a__U52#(tt, V2)a__U53#(a__isNatList(V2))
mark#(U51(X1, X2, X3))a__U51#(mark(X1), X2, X3)mark#(U22(X))mark#(X)
a__length#(cons(N, L))a__and#(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N)))mark#(U43(X))mark#(X)
a__isNat#(s(V1))a__U21#(a__isNatKind(V1), V1)mark#(U21(X1, X2))a__U21#(mark(X1), X2)
a__U31#(tt, V)a__isNatList#(V)a__isNatList#(cons(V1, V2))a__U51#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)
a__U41#(tt, V1, V2)a__U42#(a__isNat(V1), V2)mark#(isNatKind(X))a__isNatKind#(X)
mark#(U11(X1, X2))a__U11#(mark(X1), X2)

Rewrite Rules

a__zeroscons(0, zeros)a__U11(tt, V1)a__U12(a__isNatList(V1))
a__U12(tt)tta__U21(tt, V1)a__U22(a__isNat(V1))
a__U22(tt)tta__U31(tt, V)a__U32(a__isNatList(V))
a__U32(tt)tta__U41(tt, V1, V2)a__U42(a__isNat(V1), V2)
a__U42(tt, V2)a__U43(a__isNatIList(V2))a__U43(tt)tt
a__U51(tt, V1, V2)a__U52(a__isNat(V1), V2)a__U52(tt, V2)a__U53(a__isNatList(V2))
a__U53(tt)tta__U61(tt, L)s(a__length(mark(L)))
a__and(tt, X)mark(X)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__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__isNatIListKind(nil)tt
a__isNatIListKind(zeros)tta__isNatIListKind(cons(V1, V2))a__and(a__isNatKind(V1), isNatIListKind(V2))
a__isNatKind(0)tta__isNatKind(length(V1))a__isNatIListKind(V1)
a__isNatKind(s(V1))a__isNatKind(V1)a__isNatList(nil)tt
a__isNatList(cons(V1, V2))a__U51(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__length(nil)0
a__length(cons(N, L))a__U61(a__and(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N))), L)mark(zeros)a__zeros
mark(U11(X1, X2))a__U11(mark(X1), X2)mark(U12(X))a__U12(mark(X))
mark(isNatList(X))a__isNatList(X)mark(U21(X1, X2))a__U21(mark(X1), X2)
mark(U22(X))a__U22(mark(X))mark(isNat(X))a__isNat(X)
mark(U31(X1, X2))a__U31(mark(X1), X2)mark(U32(X))a__U32(mark(X))
mark(U41(X1, X2, X3))a__U41(mark(X1), X2, X3)mark(U42(X1, X2))a__U42(mark(X1), X2)
mark(U43(X))a__U43(mark(X))mark(isNatIList(X))a__isNatIList(X)
mark(U51(X1, X2, X3))a__U51(mark(X1), X2, X3)mark(U52(X1, X2))a__U52(mark(X1), X2)
mark(U53(X))a__U53(mark(X))mark(U61(X1, X2))a__U61(mark(X1), X2)
mark(length(X))a__length(mark(X))mark(and(X1, X2))a__and(mark(X1), X2)
mark(isNatIListKind(X))a__isNatIListKind(X)mark(isNatKind(X))a__isNatKind(X)
mark(cons(X1, X2))cons(mark(X1), X2)mark(0)0
mark(tt)ttmark(s(X))s(mark(X))
mark(nil)nila__zeroszeros
a__U11(X1, X2)U11(X1, X2)a__U12(X)U12(X)
a__isNatList(X)isNatList(X)a__U21(X1, X2)U21(X1, X2)
a__U22(X)U22(X)a__isNat(X)isNat(X)
a__U31(X1, X2)U31(X1, X2)a__U32(X)U32(X)
a__U41(X1, X2, X3)U41(X1, X2, X3)a__U42(X1, X2)U42(X1, X2)
a__U43(X)U43(X)a__isNatIList(X)isNatIList(X)
a__U51(X1, X2, X3)U51(X1, X2, X3)a__U52(X1, X2)U52(X1, X2)
a__U53(X)U53(X)a__U61(X1, X2)U61(X1, X2)
a__length(X)length(X)a__and(X1, X2)and(X1, X2)
a__isNatIListKind(X)isNatIListKind(X)a__isNatKind(X)isNatKind(X)

Original Signature

Termination of terms over the following signature is verified: a__U51, a__U52, a__U53, isNatIListKind, a__isNatIListKind, a__and, isNat, a__isNatList, U43, U61, U42, U41, length, a__U41, a__U22, a__U43, a__U42, U21, a__U21, U22, cons, a__zeros, isNatIList, isNatKind, a__length, mark, and, 0, s, a__isNatIList, isNatList, U51, zeros, tt, a__isNat, U53, U52, a__U32, a__U31, U11, a__U12, U12, a__U11, U31, a__U61, U32, a__isNatKind, nil

Strategy


The following SCCs where found

a__U51#(tt, V1, V2) → a__isNat#(V1)mark#(U11(X1, X2)) → mark#(X1)
mark#(isNatIListKind(X)) → a__isNatIListKind#(X)a__length#(cons(N, L)) → a__and#(a__isNatList(L), isNatIListKind(L))
mark#(isNatIList(X)) → a__isNatIList#(X)a__isNatKind#(length(V1)) → a__isNatIListKind#(V1)
a__and#(tt, X) → mark#(X)a__U52#(tt, V2) → a__isNatList#(V2)
mark#(U31(X1, X2)) → mark#(X1)mark#(s(X)) → mark#(X)
a__U21#(tt, V1) → a__isNat#(V1)mark#(U53(X)) → mark#(X)
a__isNatList#(cons(V1, V2)) → a__isNatKind#(V1)a__isNatIList#(V) → a__U31#(a__isNatIListKind(V), V)
mark#(U42(X1, X2)) → a__U42#(mark(X1), X2)mark#(cons(X1, X2)) → mark#(X1)
a__isNat#(s(V1)) → a__isNatKind#(V1)mark#(isNatList(X)) → a__isNatList#(X)
a__isNatIList#(cons(V1, V2)) → a__and#(a__isNatKind(V1), isNatIListKind(V2))mark#(and(X1, X2)) → mark#(X1)
mark#(U61(X1, X2)) → a__U61#(mark(X1), X2)a__isNatIListKind#(cons(V1, V2)) → a__and#(a__isNatKind(V1), isNatIListKind(V2))
mark#(U41(X1, X2, X3)) → mark#(X1)mark#(and(X1, X2)) → a__and#(mark(X1), X2)
a__isNatIList#(cons(V1, V2)) → a__U41#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)a__U51#(tt, V1, V2) → a__U52#(a__isNat(V1), V2)
a__length#(cons(N, L)) → a__U61#(a__and(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N))), L)mark#(U61(X1, X2)) → mark#(X1)
mark#(isNat(X)) → a__isNat#(X)a__isNat#(length(V1)) → a__isNatIListKind#(V1)
a__U41#(tt, V1, V2) → a__isNat#(V1)a__isNatIListKind#(cons(V1, V2)) → a__isNatKind#(V1)
a__isNatIList#(V) → a__isNatIListKind#(V)mark#(U32(X)) → mark#(X)
mark#(U21(X1, X2)) → mark#(X1)mark#(U31(X1, X2)) → a__U31#(mark(X1), X2)
mark#(U41(X1, X2, X3)) → a__U41#(mark(X1), X2, X3)a__isNatKind#(s(V1)) → a__isNatKind#(V1)
mark#(length(X)) → a__length#(mark(X))mark#(U51(X1, X2, X3)) → mark#(X1)
a__U61#(tt, L) → a__length#(mark(L))a__isNatIList#(cons(V1, V2)) → a__isNatKind#(V1)
mark#(U52(X1, X2)) → a__U52#(mark(X1), X2)mark#(length(X)) → mark#(X)
a__length#(cons(N, L)) → a__isNatList#(L)a__U11#(tt, V1) → a__isNatList#(V1)
mark#(U12(X)) → mark#(X)mark#(U42(X1, X2)) → mark#(X1)
a__U61#(tt, L) → mark#(L)mark#(U52(X1, X2)) → mark#(X1)
a__isNat#(length(V1)) → a__U11#(a__isNatIListKind(V1), V1)a__U42#(tt, V2) → a__isNatIList#(V2)
a__isNatList#(cons(V1, V2)) → a__and#(a__isNatKind(V1), isNatIListKind(V2))mark#(U51(X1, X2, X3)) → a__U51#(mark(X1), X2, X3)
mark#(U43(X)) → mark#(X)a__length#(cons(N, L)) → a__and#(a__and(a__isNatList(L), isNatIListKind(L)), and(isNat(N), isNatKind(N)))
mark#(U22(X)) → mark#(X)a__isNat#(s(V1)) → a__U21#(a__isNatKind(V1), V1)
mark#(U21(X1, X2)) → a__U21#(mark(X1), X2)a__U31#(tt, V) → a__isNatList#(V)
a__isNatList#(cons(V1, V2)) → a__U51#(a__and(a__isNatKind(V1), isNatIListKind(V2)), V1, V2)mark#(isNatKind(X)) → a__isNatKind#(X)
a__U41#(tt, V1, V2) → a__U42#(a__isNat(V1), V2)mark#(U11(X1, X2)) → a__U11#(mark(X1), X2)