3.95/1.88 YES 3.95/1.89 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.95/1.89 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.95/1.89 3.95/1.89 3.95/1.89 Termination w.r.t. Q of the given QTRS could be proven: 3.95/1.89 3.95/1.89 (0) QTRS 3.95/1.89 (1) DependencyPairsProof [EQUIVALENT, 0 ms] 3.95/1.89 (2) QDP 3.95/1.89 (3) UsableRulesProof [EQUIVALENT, 0 ms] 3.95/1.89 (4) QDP 3.95/1.89 (5) QReductionProof [EQUIVALENT, 0 ms] 3.95/1.89 (6) QDP 3.95/1.89 (7) TransformationProof [EQUIVALENT, 0 ms] 3.95/1.89 (8) QDP 3.95/1.89 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 3.95/1.89 (10) TRUE 3.95/1.89 3.95/1.89 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (0) 3.95/1.89 Obligation: 3.95/1.89 Q restricted rewrite system: 3.95/1.89 The TRS R consists of the following rules: 3.95/1.89 3.95/1.89 f(0, 1, X) -> h(X, X) 3.95/1.89 h(0, X) -> f(0, X, X) 3.95/1.89 g(X, Y) -> X 3.95/1.89 g(X, Y) -> Y 3.95/1.89 3.95/1.89 The set Q consists of the following terms: 3.95/1.89 3.95/1.89 f(0, 1, x0) 3.95/1.89 h(0, x0) 3.95/1.89 g(x0, x1) 3.95/1.89 3.95/1.89 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (1) DependencyPairsProof (EQUIVALENT) 3.95/1.89 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (2) 3.95/1.89 Obligation: 3.95/1.89 Q DP problem: 3.95/1.89 The TRS P consists of the following rules: 3.95/1.89 3.95/1.89 F(0, 1, X) -> H(X, X) 3.95/1.89 H(0, X) -> F(0, X, X) 3.95/1.89 3.95/1.89 The TRS R consists of the following rules: 3.95/1.89 3.95/1.89 f(0, 1, X) -> h(X, X) 3.95/1.89 h(0, X) -> f(0, X, X) 3.95/1.89 g(X, Y) -> X 3.95/1.89 g(X, Y) -> Y 3.95/1.89 3.95/1.89 The set Q consists of the following terms: 3.95/1.89 3.95/1.89 f(0, 1, x0) 3.95/1.89 h(0, x0) 3.95/1.89 g(x0, x1) 3.95/1.89 3.95/1.89 We have to consider all minimal (P,Q,R)-chains. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (3) UsableRulesProof (EQUIVALENT) 3.95/1.89 As all Q-normal forms are R-normal forms we are in the innermost case. Hence, by the usable rules processor [LPAR04] we can delete all non-usable rules [FROCOS05] from R. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (4) 3.95/1.89 Obligation: 3.95/1.89 Q DP problem: 3.95/1.89 The TRS P consists of the following rules: 3.95/1.89 3.95/1.89 F(0, 1, X) -> H(X, X) 3.95/1.89 H(0, X) -> F(0, X, X) 3.95/1.89 3.95/1.89 R is empty. 3.95/1.89 The set Q consists of the following terms: 3.95/1.89 3.95/1.89 f(0, 1, x0) 3.95/1.89 h(0, x0) 3.95/1.89 g(x0, x1) 3.95/1.89 3.95/1.89 We have to consider all minimal (P,Q,R)-chains. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (5) QReductionProof (EQUIVALENT) 3.95/1.89 We deleted the following terms from Q as each root-symbol of these terms does neither occur in P nor in R.[THIEMANN]. 3.95/1.89 3.95/1.89 f(0, 1, x0) 3.95/1.89 h(0, x0) 3.95/1.89 g(x0, x1) 3.95/1.89 3.95/1.89 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (6) 3.95/1.89 Obligation: 3.95/1.89 Q DP problem: 3.95/1.89 The TRS P consists of the following rules: 3.95/1.89 3.95/1.89 F(0, 1, X) -> H(X, X) 3.95/1.89 H(0, X) -> F(0, X, X) 3.95/1.89 3.95/1.89 R is empty. 3.95/1.89 Q is empty. 3.95/1.89 We have to consider all minimal (P,Q,R)-chains. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (7) TransformationProof (EQUIVALENT) 3.95/1.89 By instantiating [LPAR04] the rule F(0, 1, X) -> H(X, X) we obtained the following new rules [LPAR04]: 3.95/1.89 3.95/1.89 (F(0, 1, 1) -> H(1, 1),F(0, 1, 1) -> H(1, 1)) 3.95/1.89 3.95/1.89 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (8) 3.95/1.89 Obligation: 3.95/1.89 Q DP problem: 3.95/1.89 The TRS P consists of the following rules: 3.95/1.89 3.95/1.89 H(0, X) -> F(0, X, X) 3.95/1.89 F(0, 1, 1) -> H(1, 1) 3.95/1.89 3.95/1.89 R is empty. 3.95/1.89 Q is empty. 3.95/1.89 We have to consider all minimal (P,Q,R)-chains. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (9) DependencyGraphProof (EQUIVALENT) 3.95/1.89 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 2 less nodes. 3.95/1.89 ---------------------------------------- 3.95/1.89 3.95/1.89 (10) 3.95/1.89 TRUE 4.05/1.91 EOF