3.00/1.38 NO 3.00/1.39 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.00/1.39 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.00/1.39 3.00/1.39 3.00/1.39 Outermost Termination of the given OTRS could be disproven: 3.00/1.39 3.00/1.39 (0) OTRS 3.00/1.39 (1) OutermostNonTerminationProof [COMPLETE, 102 ms] 3.00/1.39 (2) NO 3.00/1.39 3.00/1.39 3.00/1.39 ---------------------------------------- 3.00/1.39 3.00/1.39 (0) 3.00/1.39 Obligation: 3.00/1.39 Term rewrite system R: 3.00/1.39 The TRS R consists of the following rules: 3.00/1.39 3.00/1.39 f(0, 1, X) -> f(g(X, X), X, X) 3.00/1.39 g(X, Y) -> X 3.00/1.39 g(X, Y) -> Y 3.00/1.39 3.00/1.39 3.00/1.39 3.00/1.39 Outermost Strategy. 3.00/1.39 3.00/1.39 ---------------------------------------- 3.00/1.39 3.00/1.39 (1) OutermostNonTerminationProof (COMPLETE) 3.00/1.39 Term rewrite system R: 3.00/1.39 The TRS R consists of the following rules: 3.00/1.39 3.00/1.39 f(0, 1, X) -> f(g(X, X), X, X) 3.00/1.39 g(X, Y) -> X 3.00/1.39 g(X, Y) -> Y 3.00/1.39 3.00/1.39 3.00/1.39 3.00/1.39 Outermost Strategy. 3.00/1.39 3.00/1.39 ---------- Loop: ---------- 3.00/1.39 3.00/1.39 f(g(g(0, 1), g(0, 1)), g(0, 1), g(0, 1)) -> f(g(g(0, 1), g(0, 1)), 1, g(0, 1)) with rule g(X', Y'') -> Y'' at position [1] and matcher [X' / 0, Y'' / 1] 3.00/1.39 3.00/1.39 f(g(g(0, 1), g(0, 1)), 1, g(0, 1)) -> f(g(0, 1), 1, g(0, 1)) with rule g(X', Y') -> X' at position [0] and matcher [X' / g(0, 1), Y' / g(0, 1)] 3.00/1.39 3.00/1.39 f(g(0, 1), 1, g(0, 1)) -> f(0, 1, g(0, 1)) with rule g(X', Y) -> X' at position [0] and matcher [X' / 0, Y / 1] 3.00/1.39 3.00/1.39 f(0, 1, g(0, 1)) -> f(g(g(0, 1), g(0, 1)), g(0, 1), g(0, 1)) with rule f(0, 1, X) -> f(g(X, X), X, X) at position [] and matcher [X / g(0, 1)] 3.00/1.39 3.00/1.39 Now an instance of the first term with Matcher [ ] occurs in the last term at position []. 3.00/1.39 3.00/1.39 Context: [] 3.00/1.39 3.00/1.39 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 3.00/1.39 ---------------------------------------- 3.00/1.39 3.00/1.39 (2) 3.00/1.39 NO 3.21/1.43 EOF