2.79/1.26 NO 2.79/1.26 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 2.79/1.26 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.79/1.26 2.79/1.26 2.79/1.26 Outermost Termination of the given OTRS could be disproven: 2.79/1.26 2.79/1.26 (0) OTRS 2.79/1.26 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.79/1.26 (2) NO 2.79/1.26 2.79/1.26 2.79/1.26 ---------------------------------------- 2.79/1.26 2.79/1.26 (0) 2.79/1.26 Obligation: 2.79/1.26 Term rewrite system R: 2.79/1.26 The TRS R consists of the following rules: 2.79/1.26 2.79/1.26 U94(tt) -> s(length(L)) 2.79/1.26 zeros -> cons(0) 2.79/1.26 U11(tt) -> U12(isNatIListKind) 2.79/1.26 U12(tt) -> U13(isNatList) 2.79/1.26 U13(tt) -> tt 2.79/1.26 U21(tt) -> U22(isNatKind) 2.79/1.26 U22(tt) -> U23(isNat) 2.79/1.26 U23(tt) -> tt 2.79/1.26 U31(tt) -> U32(isNatIListKind) 2.79/1.26 U32(tt) -> U33(isNatList) 2.79/1.26 U33(tt) -> tt 2.79/1.26 U41(tt) -> U42(isNatKind) 2.79/1.26 U42(tt) -> U43(isNatIListKind) 2.79/1.26 U43(tt) -> U44(isNatIListKind) 2.79/1.26 U44(tt) -> U45(isNat) 2.79/1.26 U45(tt) -> U46(isNatIList) 2.79/1.26 U46(tt) -> tt 2.79/1.26 U51(tt) -> U52(isNatIListKind) 2.79/1.26 U52(tt) -> tt 2.79/1.26 U61(tt) -> tt 2.79/1.26 U71(tt) -> tt 2.79/1.26 U81(tt) -> U82(isNatKind) 2.79/1.26 U82(tt) -> U83(isNatIListKind) 2.79/1.26 U83(tt) -> U84(isNatIListKind) 2.79/1.26 U84(tt) -> U85(isNat) 2.79/1.26 U85(tt) -> U86(isNatList) 2.79/1.26 U86(tt) -> tt 2.79/1.26 U91(tt) -> U92(isNatIListKind) 2.79/1.26 U92(tt) -> U93(isNat) 2.79/1.26 U93(tt) -> U94(isNatKind) 2.79/1.26 isNat -> tt 2.79/1.26 isNat -> U11(isNatIListKind) 2.79/1.26 isNat -> U21(isNatKind) 2.79/1.26 isNatIList -> U31(isNatIListKind) 2.79/1.26 isNatIList -> tt 2.79/1.26 isNatIList -> U41(isNatKind) 2.79/1.26 isNatIListKind -> tt 2.79/1.26 isNatIListKind -> U51(isNatKind) 2.79/1.26 isNatKind -> tt 2.79/1.26 isNatKind -> U61(isNatIListKind) 2.79/1.26 isNatKind -> U71(isNatKind) 2.79/1.26 isNatList -> tt 2.79/1.26 isNatList -> U81(isNatKind) 2.79/1.26 length(nil) -> 0 2.79/1.26 length(cons(N)) -> U91(isNatList) 2.79/1.26 2.79/1.26 2.79/1.26 2.79/1.26 Outermost Strategy. 2.79/1.26 2.79/1.26 ---------------------------------------- 2.79/1.26 2.79/1.26 (1) OutermostNonTerminationProof (COMPLETE) 2.79/1.26 Term rewrite system R: 2.79/1.26 The TRS R consists of the following rules: 2.79/1.26 2.79/1.26 U94(tt) -> s(length(L)) 2.79/1.26 zeros -> cons(0) 2.79/1.26 U11(tt) -> U12(isNatIListKind) 2.79/1.26 U12(tt) -> U13(isNatList) 2.79/1.26 U13(tt) -> tt 2.79/1.26 U21(tt) -> U22(isNatKind) 2.79/1.26 U22(tt) -> U23(isNat) 2.79/1.26 U23(tt) -> tt 2.79/1.26 U31(tt) -> U32(isNatIListKind) 2.79/1.26 U32(tt) -> U33(isNatList) 2.79/1.26 U33(tt) -> tt 2.79/1.26 U41(tt) -> U42(isNatKind) 2.79/1.26 U42(tt) -> U43(isNatIListKind) 2.79/1.26 U43(tt) -> U44(isNatIListKind) 2.79/1.26 U44(tt) -> U45(isNat) 2.79/1.26 U45(tt) -> U46(isNatIList) 2.79/1.26 U46(tt) -> tt 2.79/1.26 U51(tt) -> U52(isNatIListKind) 2.79/1.26 U52(tt) -> tt 2.79/1.26 U61(tt) -> tt 2.79/1.26 U71(tt) -> tt 2.79/1.26 U81(tt) -> U82(isNatKind) 2.79/1.26 U82(tt) -> U83(isNatIListKind) 2.79/1.26 U83(tt) -> U84(isNatIListKind) 2.79/1.26 U84(tt) -> U85(isNat) 2.79/1.26 U85(tt) -> U86(isNatList) 2.79/1.26 U86(tt) -> tt 2.79/1.26 U91(tt) -> U92(isNatIListKind) 2.79/1.26 U92(tt) -> U93(isNat) 2.79/1.26 U93(tt) -> U94(isNatKind) 2.79/1.26 isNat -> tt 2.79/1.26 isNat -> U11(isNatIListKind) 2.79/1.26 isNat -> U21(isNatKind) 2.79/1.26 isNatIList -> U31(isNatIListKind) 2.79/1.26 isNatIList -> tt 2.79/1.26 isNatIList -> U41(isNatKind) 2.79/1.26 isNatIListKind -> tt 2.79/1.26 isNatIListKind -> U51(isNatKind) 2.79/1.26 isNatKind -> tt 2.79/1.26 isNatKind -> U61(isNatIListKind) 2.79/1.26 isNatKind -> U71(isNatKind) 2.79/1.26 isNatList -> tt 2.79/1.26 isNatList -> U81(isNatKind) 2.79/1.26 length(nil) -> 0 2.79/1.26 length(cons(N)) -> U91(isNatList) 2.79/1.26 2.79/1.26 2.79/1.26 2.79/1.26 Outermost Strategy. 2.79/1.26 2.79/1.26 ---------- Loop: ---------- 2.79/1.26 2.79/1.26 U94(tt) -> s(length(U94(tt))) with rule U94(tt) -> s(length(L)) at position [] and matcher [L / U94(tt)] 2.79/1.26 2.79/1.26 Now an instance of the first term with Matcher [ ] occurs in the last term at position [0,0]. 2.79/1.26 2.79/1.26 Context: s(length([])) 2.79/1.26 2.79/1.26 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.79/1.26 ---------------------------------------- 2.79/1.26 2.79/1.26 (2) 2.79/1.26 NO 2.79/1.29 EOF