2.64/1.30 NO 2.64/1.30 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.64/1.30 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.64/1.30 2.64/1.30 2.64/1.30 Outermost Termination of the given OTRS could be disproven: 2.64/1.30 2.64/1.30 (0) OTRS 2.64/1.30 (1) OutermostNonTerminationProof [COMPLETE, 50 ms] 2.64/1.30 (2) NO 2.64/1.30 2.64/1.30 2.64/1.30 ---------------------------------------- 2.64/1.30 2.64/1.30 (0) 2.64/1.30 Obligation: 2.64/1.30 Term rewrite system R: 2.64/1.30 The TRS R consists of the following rules: 2.64/1.30 2.64/1.30 filter(cons(X, Y), 0, M) -> cons(0, filter(Y, M, M)) 2.64/1.30 filter(cons(X, Y), s(N), M) -> cons(X, filter(Y, N, M)) 2.64/1.30 sieve(cons(0, Y)) -> cons(0, sieve(Y)) 2.64/1.30 sieve(cons(s(N), Y)) -> cons(s(N), sieve(filter(Y, N, N))) 2.64/1.30 nats(N) -> cons(N, nats(s(N))) 2.64/1.30 zprimes -> sieve(nats(s(s(0)))) 2.64/1.30 2.64/1.30 2.64/1.30 2.64/1.30 Outermost Strategy. 2.64/1.30 2.64/1.30 ---------------------------------------- 2.64/1.30 2.64/1.30 (1) OutermostNonTerminationProof (COMPLETE) 2.64/1.30 Term rewrite system R: 2.64/1.30 The TRS R consists of the following rules: 2.64/1.30 2.64/1.30 filter(cons(X, Y), 0, M) -> cons(0, filter(Y, M, M)) 2.64/1.30 filter(cons(X, Y), s(N), M) -> cons(X, filter(Y, N, M)) 2.64/1.30 sieve(cons(0, Y)) -> cons(0, sieve(Y)) 2.64/1.30 sieve(cons(s(N), Y)) -> cons(s(N), sieve(filter(Y, N, N))) 2.64/1.30 nats(N) -> cons(N, nats(s(N))) 2.64/1.30 zprimes -> sieve(nats(s(s(0)))) 2.64/1.30 2.64/1.30 2.64/1.30 2.64/1.30 Outermost Strategy. 2.64/1.30 2.64/1.30 ---------- Loop: ---------- 2.64/1.30 2.64/1.30 nats(N) -> cons(N, nats(s(N))) with rule nats(N') -> cons(N', nats(s(N'))) at position [] and matcher [N' / N] 2.64/1.30 2.64/1.30 Now an instance of the first term with Matcher [N / s(N)] occurs in the last term at position [1]. 2.64/1.30 2.64/1.30 Context: cons(N, []) 2.64/1.30 2.64/1.30 We used [THIEMANN_LOOPS_UNDER_STRATEGIES] to show that this Loop is an Outermost-Loop. 2.64/1.30 ---------------------------------------- 2.64/1.30 2.64/1.30 (2) 2.64/1.30 NO 2.88/1.33 EOF