2.44/1.20 NO 2.44/1.21 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 2.44/1.21 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.44/1.21 2.44/1.21 2.44/1.21 Outermost Termination of the given OTRS could be disproven: 2.44/1.21 2.44/1.21 (0) OTRS 2.44/1.21 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.44/1.21 (2) NO 2.44/1.21 2.44/1.21 2.44/1.21 ---------------------------------------- 2.44/1.21 2.44/1.21 (0) 2.44/1.21 Obligation: 2.44/1.21 Term rewrite system R: 2.44/1.21 The TRS R consists of the following rules: 2.44/1.21 2.44/1.21 sel(s(N), cons(X)) -> sel(N, XS) 2.44/1.21 from(X) -> cons(X) 2.44/1.21 sel(0, cons(X)) -> X 2.44/1.21 minus(X, 0) -> 0 2.44/1.21 minus(s(X), s(Y)) -> minus(X, Y) 2.44/1.21 quot(0, s(Y)) -> 0 2.44/1.21 quot(s(X), s(Y)) -> s(quot(minus(X, Y), s(Y))) 2.44/1.21 zWquot(XS, nil) -> nil 2.44/1.21 zWquot(nil, XS) -> nil 2.44/1.21 zWquot(cons(X), cons(Y)) -> cons(quot(X, Y)) 2.44/1.21 2.44/1.21 2.44/1.21 2.44/1.21 Outermost Strategy. 2.44/1.21 2.44/1.21 ---------------------------------------- 2.44/1.21 2.44/1.21 (1) OutermostNonTerminationProof (COMPLETE) 2.44/1.21 Term rewrite system R: 2.44/1.21 The TRS R consists of the following rules: 2.44/1.21 2.44/1.21 sel(s(N), cons(X)) -> sel(N, XS) 2.44/1.21 from(X) -> cons(X) 2.44/1.21 sel(0, cons(X)) -> X 2.44/1.21 minus(X, 0) -> 0 2.44/1.21 minus(s(X), s(Y)) -> minus(X, Y) 2.44/1.21 quot(0, s(Y)) -> 0 2.44/1.21 quot(s(X), s(Y)) -> s(quot(minus(X, Y), s(Y))) 2.44/1.21 zWquot(XS, nil) -> nil 2.44/1.21 zWquot(nil, XS) -> nil 2.44/1.21 zWquot(cons(X), cons(Y)) -> cons(quot(X, Y)) 2.44/1.21 2.44/1.21 2.44/1.21 2.44/1.21 Outermost Strategy. 2.44/1.21 2.44/1.21 ---------- Loop: ---------- 2.44/1.21 2.44/1.21 sel(s(N), cons(X)) -> sel(N, sel(s(N), cons(X))) with rule sel(s(N''), cons(X'')) -> sel(N'', XS) at position [] and matcher [N'' / N, X'' / X, XS / sel(s(N), cons(X))] 2.44/1.21 2.44/1.21 Now an instance of the first term with Matcher [ ] occurs in the last term at position [1]. 2.44/1.21 2.44/1.21 Context: sel(N, []) 2.44/1.21 2.44/1.21 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.44/1.21 ---------------------------------------- 2.44/1.21 2.44/1.21 (2) 2.44/1.21 NO 2.46/1.24 EOF