2.50/1.23 NO 2.68/1.24 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.68/1.24 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.68/1.24 2.68/1.24 2.68/1.24 Outermost Termination of the given OTRS could be disproven: 2.68/1.24 2.68/1.24 (0) OTRS 2.68/1.24 (1) OutermostNonTerminationProof [COMPLETE, 0 ms] 2.68/1.24 (2) NO 2.68/1.24 2.68/1.24 2.68/1.24 ---------------------------------------- 2.68/1.24 2.68/1.24 (0) 2.68/1.24 Obligation: 2.68/1.24 Term rewrite system R: 2.68/1.24 The TRS R consists of the following rules: 2.68/1.24 2.68/1.24 nats -> cons(0, n__incr(nats)) 2.68/1.24 pairs -> cons(0, n__incr(odds)) 2.68/1.24 odds -> incr(pairs) 2.68/1.24 incr(cons(X, XS)) -> cons(s(X), n__incr(activate(XS))) 2.68/1.24 head(cons(X, XS)) -> X 2.68/1.24 tail(cons(X, XS)) -> activate(XS) 2.68/1.24 incr(X) -> n__incr(X) 2.68/1.24 activate(n__incr(X)) -> incr(X) 2.68/1.24 activate(X) -> X 2.68/1.24 2.68/1.24 2.68/1.24 2.68/1.24 Outermost Strategy. 2.68/1.24 2.68/1.24 ---------------------------------------- 2.68/1.24 2.68/1.24 (1) OutermostNonTerminationProof (COMPLETE) 2.68/1.24 Term rewrite system R: 2.68/1.24 The TRS R consists of the following rules: 2.68/1.24 2.68/1.24 nats -> cons(0, n__incr(nats)) 2.68/1.24 pairs -> cons(0, n__incr(odds)) 2.68/1.24 odds -> incr(pairs) 2.68/1.24 incr(cons(X, XS)) -> cons(s(X), n__incr(activate(XS))) 2.68/1.24 head(cons(X, XS)) -> X 2.68/1.24 tail(cons(X, XS)) -> activate(XS) 2.68/1.24 incr(X) -> n__incr(X) 2.68/1.24 activate(n__incr(X)) -> incr(X) 2.68/1.24 activate(X) -> X 2.68/1.24 2.68/1.24 2.68/1.24 2.68/1.24 Outermost Strategy. 2.68/1.24 2.68/1.24 ---------- Loop: ---------- 2.68/1.24 2.68/1.24 nats -> cons(0, n__incr(nats)) with rule nats -> cons(0, n__incr(nats)) at position [] and matcher [ ] 2.68/1.24 2.68/1.24 Now an instance of the first term with Matcher [ ] occurs in the last term at position [1,0]. 2.68/1.24 2.68/1.24 Context: cons(0, n__incr([])) 2.68/1.24 2.68/1.24 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.68/1.24 ---------------------------------------- 2.68/1.24 2.68/1.24 (2) 2.68/1.24 NO 2.70/1.26 EOF