2.61/1.34 NO 2.61/1.34 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.61/1.34 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.61/1.34 2.61/1.34 2.61/1.34 Outermost Termination of the given OTRS could be disproven: 2.61/1.34 2.61/1.34 (0) OTRS 2.61/1.34 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.61/1.34 (2) NO 2.61/1.34 2.61/1.34 2.61/1.34 ---------------------------------------- 2.61/1.34 2.61/1.34 (0) 2.61/1.34 Obligation: 2.61/1.34 Term rewrite system R: 2.61/1.34 The TRS R consists of the following rules: 2.61/1.34 2.61/1.34 U71(tt) -> s(length(L)) 2.61/1.34 U91(tt) -> cons(N) 2.61/1.34 and(tt) -> X 2.61/1.34 zeros -> cons(0) 2.61/1.34 U11(tt) -> U12(isNatList) 2.61/1.34 U12(tt) -> tt 2.61/1.34 U21(tt) -> U22(isNat) 2.61/1.34 U22(tt) -> tt 2.61/1.34 U31(tt) -> U32(isNatList) 2.61/1.34 U32(tt) -> tt 2.61/1.34 U41(tt) -> U42(isNat) 2.61/1.34 U42(tt) -> U43(isNatIList) 2.61/1.34 U43(tt) -> tt 2.61/1.34 U51(tt) -> U52(isNat) 2.61/1.34 U52(tt) -> U53(isNatList) 2.61/1.34 U53(tt) -> tt 2.61/1.34 U61(tt) -> U62(isNat) 2.61/1.34 U62(tt) -> U63(isNatIList) 2.61/1.34 U63(tt) -> tt 2.61/1.34 U81(tt) -> nil 2.61/1.34 isNat -> tt 2.61/1.34 isNat -> U11(isNatIListKind) 2.61/1.34 isNat -> U21(isNatKind) 2.61/1.34 isNatIList -> U31(isNatIListKind) 2.61/1.34 isNatIList -> tt 2.61/1.34 isNatIList -> U41(and(isNatKind)) 2.61/1.34 isNatIListKind -> tt 2.61/1.34 isNatIListKind -> and(isNatKind) 2.61/1.34 isNatKind -> tt 2.61/1.34 isNatKind -> isNatIListKind 2.61/1.34 isNatKind -> isNatKind 2.61/1.34 isNatList -> tt 2.61/1.34 isNatList -> U51(and(isNatKind)) 2.61/1.34 isNatList -> U61(and(isNatKind)) 2.61/1.34 length(nil) -> 0 2.61/1.34 length(cons(N)) -> U71(and(and(isNatList))) 2.61/1.34 take(0, IL) -> U81(and(isNatIList)) 2.61/1.34 take(s(M), cons(N)) -> U91(and(and(isNatIList))) 2.61/1.34 2.61/1.34 2.61/1.34 2.61/1.34 Outermost Strategy. 2.61/1.34 2.61/1.34 ---------------------------------------- 2.61/1.34 2.61/1.34 (1) OutermostNonTerminationProof (COMPLETE) 2.61/1.34 Term rewrite system R: 2.61/1.34 The TRS R consists of the following rules: 2.61/1.34 2.61/1.34 U71(tt) -> s(length(L)) 2.61/1.34 U91(tt) -> cons(N) 2.61/1.34 and(tt) -> X 2.61/1.34 zeros -> cons(0) 2.61/1.34 U11(tt) -> U12(isNatList) 2.61/1.34 U12(tt) -> tt 2.61/1.34 U21(tt) -> U22(isNat) 2.61/1.34 U22(tt) -> tt 2.61/1.34 U31(tt) -> U32(isNatList) 2.61/1.34 U32(tt) -> tt 2.61/1.34 U41(tt) -> U42(isNat) 2.61/1.34 U42(tt) -> U43(isNatIList) 2.61/1.34 U43(tt) -> tt 2.61/1.34 U51(tt) -> U52(isNat) 2.61/1.34 U52(tt) -> U53(isNatList) 2.61/1.34 U53(tt) -> tt 2.61/1.34 U61(tt) -> U62(isNat) 2.61/1.34 U62(tt) -> U63(isNatIList) 2.61/1.34 U63(tt) -> tt 2.61/1.34 U81(tt) -> nil 2.61/1.34 isNat -> tt 2.61/1.35 isNat -> U11(isNatIListKind) 2.61/1.35 isNat -> U21(isNatKind) 2.61/1.35 isNatIList -> U31(isNatIListKind) 2.61/1.35 isNatIList -> tt 2.61/1.35 isNatIList -> U41(and(isNatKind)) 2.61/1.35 isNatIListKind -> tt 2.61/1.35 isNatIListKind -> and(isNatKind) 2.61/1.35 isNatKind -> tt 2.61/1.35 isNatKind -> isNatIListKind 2.61/1.35 isNatKind -> isNatKind 2.61/1.35 isNatList -> tt 2.61/1.35 isNatList -> U51(and(isNatKind)) 2.61/1.35 isNatList -> U61(and(isNatKind)) 2.61/1.35 length(nil) -> 0 2.61/1.35 length(cons(N)) -> U71(and(and(isNatList))) 2.61/1.35 take(0, IL) -> U81(and(isNatIList)) 2.61/1.35 take(s(M), cons(N)) -> U91(and(and(isNatIList))) 2.61/1.35 2.61/1.35 2.61/1.35 2.61/1.35 Outermost Strategy. 2.61/1.35 2.61/1.35 ---------- Loop: ---------- 2.61/1.35 2.61/1.35 U71(tt) -> s(length(U71(tt))) with rule U71(tt) -> s(length(L)) at position [] and matcher [L / U71(tt)] 2.61/1.35 2.61/1.35 Now an instance of the first term with Matcher [ ] occurs in the last term at position [0,0]. 2.61/1.35 2.61/1.35 Context: s(length([])) 2.61/1.35 2.61/1.35 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.61/1.35 ---------------------------------------- 2.61/1.35 2.61/1.35 (2) 2.61/1.35 NO 2.61/1.37 EOF