3.35/1.46 NO 3.35/1.47 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.35/1.47 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.35/1.47 3.35/1.47 3.35/1.47 Outermost Termination of the given OTRS could be disproven: 3.35/1.47 3.35/1.47 (0) OTRS 3.35/1.47 (1) OutermostNonTerminationProof [COMPLETE, 253 ms] 3.35/1.47 (2) NO 3.35/1.47 3.35/1.47 3.35/1.47 ---------------------------------------- 3.35/1.47 3.35/1.47 (0) 3.35/1.47 Obligation: 3.35/1.47 Term rewrite system R: 3.35/1.47 The TRS R consists of the following rules: 3.35/1.47 3.35/1.47 ap(ap(f, x), x) -> ap(ap(x, ap(f, x)), ap(ap(cons, x), nil)) 3.35/1.47 ap(ap(ap(foldr, g), h), nil) -> h 3.35/1.47 ap(ap(ap(foldr, g), h), ap(ap(cons, x), xs)) -> ap(ap(g, x), ap(ap(ap(foldr, g), h), xs)) 3.35/1.47 3.35/1.47 3.35/1.47 3.35/1.47 Outermost Strategy. 3.35/1.47 3.35/1.47 ---------------------------------------- 3.35/1.47 3.35/1.47 (1) OutermostNonTerminationProof (COMPLETE) 3.35/1.47 Term rewrite system R: 3.35/1.47 The TRS R consists of the following rules: 3.35/1.47 3.35/1.47 ap(ap(f, x), x) -> ap(ap(x, ap(f, x)), ap(ap(cons, x), nil)) 3.35/1.47 ap(ap(ap(foldr, g), h), nil) -> h 3.35/1.47 ap(ap(ap(foldr, g), h), ap(ap(cons, x), xs)) -> ap(ap(g, x), ap(ap(ap(foldr, g), h), xs)) 3.35/1.47 3.35/1.47 3.35/1.47 3.35/1.47 Outermost Strategy. 3.35/1.47 3.35/1.47 ---------- Loop: ---------- 3.35/1.47 3.35/1.47 ap(ap(ap(f, foldr), foldr), ap(ap(ap(foldr, ap(f, foldr)), ap(ap(cons, foldr), nil)), nil)) -> ap(ap(ap(f, foldr), foldr), ap(ap(cons, foldr), nil)) with rule ap(ap(ap(foldr, g), h), nil) -> h at position [1] and matcher [g / ap(f, foldr), h / ap(ap(cons, foldr), nil)] 3.35/1.47 3.35/1.47 ap(ap(ap(f, foldr), foldr), ap(ap(cons, foldr), nil)) -> ap(ap(ap(foldr, ap(f, foldr)), ap(ap(cons, foldr), nil)), ap(ap(cons, foldr), nil)) with rule ap(ap(f, x'), x') -> ap(ap(x', ap(f, x')), ap(ap(cons, x'), nil)) at position [0] and matcher [x' / foldr] 3.35/1.47 3.35/1.47 ap(ap(ap(foldr, ap(f, foldr)), ap(ap(cons, foldr), nil)), ap(ap(cons, foldr), nil)) -> ap(ap(ap(f, foldr), foldr), ap(ap(ap(foldr, ap(f, foldr)), ap(ap(cons, foldr), nil)), nil)) with rule ap(ap(ap(foldr, g), h), ap(ap(cons, x), xs)) -> ap(ap(g, x), ap(ap(ap(foldr, g), h), xs)) at position [] and matcher [g / ap(f, foldr), h / ap(ap(cons, foldr), nil), x / foldr, xs / nil] 3.35/1.47 3.35/1.47 Now an instance of the first term with Matcher [ ] occurs in the last term at position []. 3.35/1.47 3.35/1.47 Context: [] 3.35/1.47 3.35/1.47 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 3.35/1.47 ---------------------------------------- 3.35/1.47 3.35/1.47 (2) 3.35/1.47 NO 3.56/1.50 EOF