3.19/1.62 NO 3.55/1.65 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.55/1.65 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.55/1.65 3.55/1.65 3.55/1.65 Termination of the given RelTRS could be disproven: 3.55/1.65 3.55/1.65 (0) RelTRS 3.55/1.65 (1) RelTRSLoopFinderProof [COMPLETE, 39 ms] 3.55/1.65 (2) NO 3.55/1.65 3.55/1.65 3.55/1.65 ---------------------------------------- 3.55/1.65 3.55/1.65 (0) 3.55/1.65 Obligation: 3.55/1.65 Relative term rewrite system: 3.55/1.65 The relative TRS consists of the following R rules: 3.55/1.65 3.55/1.65 b(a(x)) -> a(b(x)) 3.55/1.65 3.55/1.65 The relative TRS consists of the following S rules: 3.55/1.65 3.55/1.65 a(x) -> a(a(x)) 3.55/1.65 b(x) -> b(b(x)) 3.55/1.65 3.55/1.65 3.55/1.65 ---------------------------------------- 3.55/1.65 3.55/1.65 (1) RelTRSLoopFinderProof (COMPLETE) 3.55/1.65 The following loop was found: 3.55/1.65 3.55/1.65 ---------- Loop: ---------- 3.55/1.65 3.55/1.65 b(a(x')) -> b(a(a(x'))) with rule a(x'') -> a(a(x'')) at position [0] and matcher [x'' / x'] 3.55/1.65 3.55/1.65 b(a(a(x'))) -> a(b(a(x'))) with rule b(a(x)) -> a(b(x)) at position [] and matcher [x / a(x')] 3.55/1.65 3.55/1.65 Now an instance of the first term with Matcher [ ] occurs in the last term at position [0]. 3.55/1.65 3.55/1.65 Context: a([]) 3.55/1.65 3.55/1.65 Therefore, the relative TRS problem does not terminate. 3.55/1.65 ---------------------------------------- 3.55/1.65 3.55/1.65 (2) 3.55/1.65 NO 3.55/1.67 EOF