3.42/1.76 YES 3.42/1.77 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.42/1.77 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.42/1.77 3.42/1.77 3.42/1.77 Quasi decreasingness of the given CTRS could be proven: 3.42/1.77 3.42/1.77 (0) CTRS 3.42/1.77 (1) CTRSToQTRSProof [SOUND, 0 ms] 3.42/1.77 (2) QTRS 3.42/1.77 (3) DependencyPairsProof [EQUIVALENT, 0 ms] 3.42/1.77 (4) QDP 3.42/1.77 (5) DependencyGraphProof [EQUIVALENT, 0 ms] 3.42/1.77 (6) TRUE 3.42/1.77 3.42/1.77 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (0) 3.42/1.77 Obligation: 3.42/1.77 Conditional term rewrite system: 3.42/1.77 The TRS R consists of the following rules: 3.42/1.77 3.42/1.77 p(q(x)) -> p(r(x)) 3.42/1.77 q(h(x)) -> r(x) 3.42/1.77 s(x) -> 1 3.42/1.77 3.42/1.77 The conditional TRS C consists of the following conditional rules: 3.42/1.77 3.42/1.77 r(x) -> r(h(x)) <= s(x) -> 0 3.42/1.77 3.42/1.77 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (1) CTRSToQTRSProof (SOUND) 3.42/1.77 The conditional rules have been transormed into unconditional rules according to [CTRS,AAECCNOC]. 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (2) 3.42/1.77 Obligation: 3.42/1.77 Q restricted rewrite system: 3.42/1.77 The TRS R consists of the following rules: 3.42/1.77 3.42/1.77 r(x) -> U1(s(x), x) 3.42/1.77 U1(0, x) -> r(h(x)) 3.42/1.77 p(q(x)) -> p(r(x)) 3.42/1.77 q(h(x)) -> r(x) 3.42/1.77 s(x) -> 1 3.42/1.77 3.42/1.77 Q is empty. 3.42/1.77 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (3) DependencyPairsProof (EQUIVALENT) 3.42/1.77 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (4) 3.42/1.77 Obligation: 3.42/1.77 Q DP problem: 3.42/1.77 The TRS P consists of the following rules: 3.42/1.77 3.42/1.77 R(x) -> U1^1(s(x), x) 3.42/1.77 R(x) -> S(x) 3.42/1.77 U1^1(0, x) -> R(h(x)) 3.42/1.77 P(q(x)) -> P(r(x)) 3.42/1.77 P(q(x)) -> R(x) 3.42/1.77 Q(h(x)) -> R(x) 3.42/1.77 3.42/1.77 The TRS R consists of the following rules: 3.42/1.77 3.42/1.77 r(x) -> U1(s(x), x) 3.42/1.77 U1(0, x) -> r(h(x)) 3.42/1.77 p(q(x)) -> p(r(x)) 3.42/1.77 q(h(x)) -> r(x) 3.42/1.77 s(x) -> 1 3.42/1.77 3.42/1.77 Q is empty. 3.42/1.77 We have to consider all minimal (P,Q,R)-chains. 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (5) DependencyGraphProof (EQUIVALENT) 3.42/1.77 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 6 less nodes. 3.42/1.77 ---------------------------------------- 3.42/1.77 3.42/1.77 (6) 3.42/1.77 TRUE 3.49/1.80 EOF