2.66/1.24 NO 2.66/1.25 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.66/1.25 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.66/1.25 2.66/1.25 2.66/1.25 Outermost Termination of the given OTRS could be disproven: 2.66/1.25 2.66/1.25 (0) OTRS 2.66/1.25 (1) OutermostNonTerminationProof [COMPLETE, 57 ms] 2.66/1.25 (2) NO 2.66/1.25 2.66/1.25 2.66/1.25 ---------------------------------------- 2.66/1.25 2.66/1.25 (0) 2.66/1.25 Obligation: 2.66/1.25 Term rewrite system R: 2.66/1.25 The TRS R consists of the following rules: 2.66/1.25 2.66/1.25 f(x, h(y)) -> h(f(f(h(a), y), x)) 2.66/1.25 2.66/1.25 2.66/1.25 2.66/1.25 Outermost Strategy. 2.66/1.25 2.66/1.25 ---------------------------------------- 2.66/1.25 2.66/1.25 (1) OutermostNonTerminationProof (COMPLETE) 2.66/1.25 Term rewrite system R: 2.66/1.25 The TRS R consists of the following rules: 2.66/1.25 2.66/1.25 f(x, h(y)) -> h(f(f(h(a), y), x)) 2.66/1.25 2.66/1.25 2.66/1.25 2.66/1.25 Outermost Strategy. 2.66/1.25 2.66/1.25 ---------- Loop: ---------- 2.66/1.25 2.66/1.25 f(f(h(y'''), f(x''', h(y'))), f(h(y''), f(x'', h(y)))) -> f(f(h(y'''), f(x''', h(y'))), f(h(y''), h(f(f(h(a), y), x'')))) with rule f(x'''', h(y1)) -> h(f(f(h(a), y1), x'''')) at position [1,1] and matcher [x'''' / x'', y1 / y] 2.66/1.25 2.66/1.25 f(f(h(y'''), f(x''', h(y'))), f(h(y''), h(f(f(h(a), y), x'')))) -> f(f(h(y'''), f(x''', h(y'))), h(f(f(h(a), f(f(h(a), y), x'')), h(y'')))) with rule f(x', h(y'1)) -> h(f(f(h(a), y'1), x')) at position [1] and matcher [x' / h(y''), y'1 / f(f(h(a), y), x'')] 2.66/1.25 2.66/1.25 f(f(h(y'''), f(x''', h(y'))), h(f(f(h(a), f(f(h(a), y), x'')), h(y'')))) -> h(f(f(h(a), f(f(h(a), f(f(h(a), y), x'')), h(y''))), f(h(y'''), f(x''', h(y'))))) with rule f(x, h(y1)) -> h(f(f(h(a), y1), x)) at position [] and matcher [x / f(h(y'''), f(x''', h(y'))), y1 / f(f(h(a), f(f(h(a), y), x'')), h(y''))] 2.66/1.25 2.66/1.25 Now an instance of the first term with Matcher [y / y', y' / y'', y'' / y''', x'' / x''', y''' / a, x''' / f(h(a), f(f(h(a), y), x''))] occurs in the last term at position [0]. 2.66/1.25 2.66/1.25 Context: h([]) 2.66/1.25 2.66/1.25 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.66/1.25 ---------------------------------------- 2.66/1.25 2.66/1.25 (2) 2.66/1.25 NO 2.66/1.28 EOF