2.83/1.25 NO 2.83/1.25 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.83/1.25 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.83/1.25 2.83/1.25 2.83/1.25 Outermost Termination of the given OTRS could be disproven: 2.83/1.25 2.83/1.25 (0) OTRS 2.83/1.25 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.83/1.25 (2) NO 2.83/1.25 2.83/1.25 2.83/1.25 ---------------------------------------- 2.83/1.25 2.83/1.25 (0) 2.83/1.25 Obligation: 2.83/1.25 Term rewrite system R: 2.83/1.25 The TRS R consists of the following rules: 2.83/1.25 2.83/1.25 g(f(x, y)) -> f(f(g(g(x)), g(g(y))), f(g(g(x)), g(g(y)))) 2.83/1.25 2.83/1.25 2.83/1.25 2.83/1.25 Outermost Strategy. 2.83/1.25 2.83/1.25 ---------------------------------------- 2.83/1.25 2.83/1.25 (1) OutermostNonTerminationProof (COMPLETE) 2.83/1.25 Term rewrite system R: 2.83/1.25 The TRS R consists of the following rules: 2.83/1.25 2.83/1.25 g(f(x, y)) -> f(f(g(g(x)), g(g(y))), f(g(g(x)), g(g(y)))) 2.83/1.25 2.83/1.25 2.83/1.25 2.83/1.25 Outermost Strategy. 2.83/1.25 2.83/1.25 ---------- Loop: ---------- 2.83/1.25 2.83/1.25 g(g(f(x', y'))) -> g(f(f(g(g(x')), g(g(y'))), f(g(g(x')), g(g(y'))))) with rule g(f(x'', y'')) -> f(f(g(g(x'')), g(g(y''))), f(g(g(x'')), g(g(y'')))) at position [0] and matcher [x'' / x', y'' / y'] 2.83/1.25 2.83/1.25 g(f(f(g(g(x')), g(g(y'))), f(g(g(x')), g(g(y'))))) -> f(f(g(g(f(g(g(x')), g(g(y'))))), g(g(f(g(g(x')), g(g(y')))))), f(g(g(f(g(g(x')), g(g(y'))))), g(g(f(g(g(x')), g(g(y'))))))) with rule g(f(x, y)) -> f(f(g(g(x)), g(g(y))), f(g(g(x)), g(g(y)))) at position [] and matcher [x / f(g(g(x')), g(g(y'))), y / f(g(g(x')), g(g(y')))] 2.83/1.25 2.83/1.25 Now an instance of the first term with Matcher [x' / g(g(x')), y' / g(g(y'))] occurs in the last term at position [1,0]. 2.83/1.25 2.83/1.25 Context: f(f(g(g(f(g(g(x')), g(g(y'))))), g(g(f(g(g(x')), g(g(y')))))), f([], g(g(f(g(g(x')), g(g(y'))))))) 2.83/1.25 2.83/1.25 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.83/1.25 ---------------------------------------- 2.83/1.25 2.83/1.25 (2) 2.83/1.25 NO 2.83/1.28 EOF