2.68/1.27 NO 2.68/1.28 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.68/1.28 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.68/1.28 2.68/1.28 2.68/1.28 Outermost Termination of the given OTRS could be disproven: 2.68/1.28 2.68/1.28 (0) OTRS 2.68/1.28 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.68/1.28 (2) NO 2.68/1.28 2.68/1.28 2.68/1.28 ---------------------------------------- 2.68/1.28 2.68/1.28 (0) 2.68/1.28 Obligation: 2.68/1.28 Term rewrite system R: 2.68/1.28 The TRS R consists of the following rules: 2.68/1.28 2.68/1.28 a(b(a(b(x)))) -> b(a(b(a(a(b(x)))))) 2.68/1.28 2.68/1.28 2.68/1.28 2.68/1.28 Outermost Strategy. 2.68/1.28 2.68/1.28 ---------------------------------------- 2.68/1.28 2.68/1.28 (1) OutermostNonTerminationProof (COMPLETE) 2.68/1.28 Term rewrite system R: 2.68/1.28 The TRS R consists of the following rules: 2.68/1.28 2.68/1.28 a(b(a(b(x)))) -> b(a(b(a(a(b(x)))))) 2.68/1.28 2.68/1.28 2.68/1.28 2.68/1.28 Outermost Strategy. 2.68/1.28 2.68/1.28 ---------- Loop: ---------- 2.68/1.28 2.68/1.28 a(b(a(a(b(a(b(x'))))))) -> a(b(a(b(a(b(a(a(b(x'))))))))) with rule a(b(a(b(x'')))) -> b(a(b(a(a(b(x'')))))) at position [0,0,0] and matcher [x'' / x'] 2.68/1.28 2.68/1.28 a(b(a(b(a(b(a(a(b(x'))))))))) -> b(a(b(a(a(b(a(b(a(a(b(x'))))))))))) with rule a(b(a(b(x)))) -> b(a(b(a(a(b(x)))))) at position [] and matcher [x / a(b(a(a(b(x')))))] 2.68/1.28 2.68/1.28 Now an instance of the first term with Matcher [x' / a(a(b(x')))] occurs in the last term at position [0]. 2.68/1.28 2.68/1.28 Context: b([]) 2.68/1.28 2.68/1.28 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.68/1.28 ---------------------------------------- 2.68/1.28 2.68/1.28 (2) 2.68/1.28 NO 2.68/1.31 EOF