48.17/13.24 NO 49.15/13.27 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 49.15/13.27 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 49.15/13.27 49.15/13.27 49.15/13.27 Termination w.r.t. Q of the given QTRS could be disproven: 49.15/13.27 49.15/13.27 (0) QTRS 49.15/13.27 (1) NonTerminationProof [COMPLETE, 2642 ms] 49.15/13.27 (2) NO 49.15/13.27 49.15/13.27 49.15/13.27 ---------------------------------------- 49.15/13.27 49.15/13.27 (0) 49.15/13.27 Obligation: 49.15/13.27 Q restricted rewrite system: 49.15/13.27 The TRS R consists of the following rules: 49.15/13.27 49.15/13.27 c(b(x1)) -> b(a(x1)) 49.15/13.27 a(c(x1)) -> a(b(c(x1))) 49.15/13.27 b(b(x1)) -> b(c(x1)) 49.15/13.27 c(a(x1)) -> c(c(c(x1))) 49.15/13.27 49.15/13.27 Q is empty. 49.15/13.27 49.15/13.27 ---------------------------------------- 49.15/13.27 49.15/13.27 (1) NonTerminationProof (COMPLETE) 49.15/13.27 We used the non-termination processor [OPPELT08] to show that the SRS problem is infinite. 49.15/13.27 49.15/13.27 Found the self-embedding DerivationStructure: 49.15/13.27 "b (c)^k+1 b c -> b (c)^2k+3 b c" 49.15/13.27 b (c)^k+1 b c -> b (c)^2k+3 b c 49.15/13.27 by Equivalent"b (c)^k+1 b c -> b (c c)^k+1 c b c 49.15/13.27 by Overlapping Derivationstructures"b (c)^k+1 b c -> b c (a)^k+1 b c 49.15/13.27 by Equivalent"b (c)^k+1 b c -> b c (a)^k a b c 49.15/13.27 by Overlap u with r (ol3)"b (c)^k+1 b -> b c (a)^k a 49.15/13.27 by Operation expand"b (c)^k+1 b -> b c (a)^k+1 49.15/13.27 by Overlap u with l (ol4)"(c)^k+1 b -> b (a)^k+1 49.15/13.27 by Operation lift"(c)^k b -> b (a)^k 49.15/13.27 by Selfoverlapping OC am1"c b -> b a 49.15/13.27 by original rule (OC 1)""""b b -> b c 49.15/13.27 by original rule (OC 1)""""a c -> a b c 49.15/13.27 by original rule (OC 1)""""c (a)^k+1 -> (c c)^k+1 c 49.15/13.27 by Operation lift"c (a)^k -> (c c)^k c 49.15/13.27 by Selfoverlapping OC am2"c a -> c c c 49.15/13.27 by original rule (OC 1)"""" 49.15/13.27 49.15/13.27 ---------------------------------------- 49.15/13.27 49.15/13.27 (2) 49.15/13.27 NO 49.27/13.35 EOF