2.62/1.23 NO 2.62/1.23 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.62/1.23 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.62/1.23 2.62/1.23 2.62/1.23 Outermost Termination of the given OTRS could be disproven: 2.62/1.23 2.62/1.23 (0) OTRS 2.62/1.23 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.62/1.23 (2) NO 2.62/1.23 2.62/1.23 2.62/1.23 ---------------------------------------- 2.62/1.23 2.62/1.23 (0) 2.62/1.23 Obligation: 2.62/1.23 Term rewrite system R: 2.62/1.23 The TRS R consists of the following rules: 2.62/1.23 2.62/1.23 a(b(x)) -> b(b(a(a(x)))) 2.62/1.23 2.62/1.23 2.62/1.23 2.62/1.23 Outermost Strategy. 2.62/1.23 2.62/1.23 ---------------------------------------- 2.62/1.23 2.62/1.23 (1) OutermostNonTerminationProof (COMPLETE) 2.62/1.23 Term rewrite system R: 2.62/1.23 The TRS R consists of the following rules: 2.62/1.23 2.62/1.23 a(b(x)) -> b(b(a(a(x)))) 2.62/1.23 2.62/1.23 2.62/1.23 2.62/1.23 Outermost Strategy. 2.62/1.23 2.62/1.23 ---------- Loop: ---------- 2.62/1.23 2.62/1.23 a(a(b(x'))) -> a(b(b(a(a(x'))))) with rule a(b(x'')) -> b(b(a(a(x'')))) at position [0] and matcher [x'' / x'] 2.62/1.23 2.62/1.23 a(b(b(a(a(x'))))) -> b(b(a(a(b(a(a(x'))))))) with rule a(b(x)) -> b(b(a(a(x)))) at position [] and matcher [x / b(a(a(x')))] 2.62/1.23 2.62/1.23 Now an instance of the first term with Matcher [x' / a(a(x'))] occurs in the last term at position [0,0]. 2.62/1.23 2.62/1.23 Context: b(b([])) 2.62/1.23 2.62/1.23 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.62/1.23 ---------------------------------------- 2.62/1.23 2.62/1.23 (2) 2.62/1.23 NO 2.89/1.27 EOF