2.67/1.27 NO 2.67/1.28 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.67/1.28 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.67/1.28 2.67/1.28 2.67/1.28 Outermost Termination of the given OTRS could be disproven: 2.67/1.28 2.67/1.28 (0) OTRS 2.67/1.28 (1) OutermostNonTerminationProof [COMPLETE, 50 ms] 2.67/1.28 (2) NO 2.67/1.28 2.67/1.28 2.67/1.28 ---------------------------------------- 2.67/1.28 2.67/1.28 (0) 2.67/1.28 Obligation: 2.67/1.28 Term rewrite system R: 2.67/1.28 The TRS R consists of the following rules: 2.67/1.28 2.67/1.28 g(X) -> u(h(X), h(X), X) 2.67/1.28 u(d, c(Y), X) -> k(Y) 2.67/1.28 h(d) -> c(a) 2.67/1.28 h(d) -> c(b) 2.67/1.28 f(k(a), k(b), X) -> f(X, X, X) 2.67/1.28 2.67/1.28 2.67/1.28 2.67/1.28 Outermost Strategy. 2.67/1.28 2.67/1.28 ---------------------------------------- 2.67/1.28 2.67/1.28 (1) OutermostNonTerminationProof (COMPLETE) 2.67/1.28 Term rewrite system R: 2.67/1.28 The TRS R consists of the following rules: 2.67/1.28 2.67/1.28 g(X) -> u(h(X), h(X), X) 2.67/1.28 u(d, c(Y), X) -> k(Y) 2.67/1.28 h(d) -> c(a) 2.67/1.28 h(d) -> c(b) 2.67/1.28 f(k(a), k(b), X) -> f(X, X, X) 2.67/1.28 2.67/1.28 2.67/1.28 2.67/1.28 Outermost Strategy. 2.67/1.28 2.67/1.28 ---------- Loop: ---------- 2.67/1.28 2.67/1.28 f(u(d, h(d), X'), u(d, h(d), X'), u(d, h(d), X')) -> f(u(d, h(d), X'), u(d, c(b), X'), u(d, h(d), X')) with rule h(d) -> c(b) at position [1,1] and matcher [ ] 2.67/1.29 2.67/1.29 f(u(d, h(d), X'), u(d, c(b), X'), u(d, h(d), X')) -> f(u(d, h(d), X'), k(b), u(d, h(d), X')) with rule u(d, c(Y), X'') -> k(Y) at position [1] and matcher [Y / b, X'' / X'] 2.67/1.29 2.67/1.29 f(u(d, h(d), X'), k(b), u(d, h(d), X')) -> f(u(d, c(a), X'), k(b), u(d, h(d), X')) with rule h(d) -> c(a) at position [0,1] and matcher [ ] 2.67/1.29 2.67/1.29 f(u(d, c(a), X'), k(b), u(d, h(d), X')) -> f(k(a), k(b), u(d, h(d), X')) with rule u(d, c(Y), X'') -> k(Y) at position [0] and matcher [Y / a, X'' / X'] 2.67/1.29 2.67/1.29 f(k(a), k(b), u(d, h(d), X')) -> f(u(d, h(d), X'), u(d, h(d), X'), u(d, h(d), X')) with rule f(k(a), k(b), X) -> f(X, X, X) at position [] and matcher [X / u(d, h(d), X')] 2.67/1.29 2.67/1.29 Now an instance of the first term with Matcher [ ] occurs in the last term at position []. 2.67/1.29 2.67/1.29 Context: [] 2.67/1.29 2.67/1.29 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.67/1.29 ---------------------------------------- 2.67/1.29 2.67/1.29 (2) 2.67/1.29 NO 2.67/1.32 EOF