2.48/1.20 NO 2.48/1.21 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 2.48/1.21 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.48/1.21 2.48/1.21 2.48/1.21 Outermost Termination of the given OTRS could be disproven: 2.48/1.21 2.48/1.21 (0) OTRS 2.48/1.21 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.48/1.21 (2) NO 2.48/1.21 2.48/1.21 2.48/1.21 ---------------------------------------- 2.48/1.21 2.48/1.21 (0) 2.48/1.21 Obligation: 2.48/1.21 Term rewrite system R: 2.48/1.21 The TRS R consists of the following rules: 2.48/1.21 2.48/1.21 sel(s(X), cons(Y)) -> sel(X, Z) 2.48/1.21 from(X) -> cons(X) 2.48/1.21 first(0, Z) -> nil 2.48/1.21 first(s(X), cons(Y)) -> cons(Y) 2.48/1.21 sel(0, cons(X)) -> X 2.48/1.21 2.48/1.21 2.48/1.21 2.48/1.21 Outermost Strategy. 2.48/1.21 2.48/1.21 ---------------------------------------- 2.48/1.21 2.48/1.21 (1) OutermostNonTerminationProof (COMPLETE) 2.48/1.21 Term rewrite system R: 2.48/1.21 The TRS R consists of the following rules: 2.48/1.21 2.48/1.21 sel(s(X), cons(Y)) -> sel(X, Z) 2.48/1.21 from(X) -> cons(X) 2.48/1.21 first(0, Z) -> nil 2.48/1.21 first(s(X), cons(Y)) -> cons(Y) 2.48/1.21 sel(0, cons(X)) -> X 2.48/1.21 2.48/1.21 2.48/1.21 2.48/1.21 Outermost Strategy. 2.48/1.21 2.48/1.21 ---------- Loop: ---------- 2.48/1.21 2.48/1.21 sel(s(X), cons(Y)) -> sel(X, sel(s(X), cons(Y))) with rule sel(s(X''), cons(Y'')) -> sel(X'', Z) at position [] and matcher [X'' / X, Y'' / Y, Z / sel(s(X), cons(Y))] 2.48/1.21 2.48/1.21 Now an instance of the first term with Matcher [ ] occurs in the last term at position [1]. 2.48/1.21 2.48/1.21 Context: sel(X, []) 2.48/1.21 2.48/1.21 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.48/1.21 ---------------------------------------- 2.48/1.21 2.48/1.21 (2) 2.48/1.21 NO 2.48/1.23 EOF