4.10/1.94 YES 4.10/1.94 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 4.10/1.94 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.10/1.94 4.10/1.94 4.10/1.94 Termination w.r.t. Q of the given QTRS could be proven: 4.10/1.94 4.10/1.94 (0) QTRS 4.10/1.94 (1) DependencyPairsProof [EQUIVALENT, 0 ms] 4.10/1.94 (2) QDP 4.10/1.94 (3) UsableRulesProof [EQUIVALENT, 0 ms] 4.10/1.94 (4) QDP 4.10/1.94 (5) QReductionProof [EQUIVALENT, 0 ms] 4.10/1.94 (6) QDP 4.10/1.94 (7) TransformationProof [EQUIVALENT, 0 ms] 4.10/1.94 (8) QDP 4.10/1.94 (9) DependencyGraphProof [EQUIVALENT, 0 ms] 4.10/1.94 (10) TRUE 4.10/1.94 4.10/1.94 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (0) 4.10/1.94 Obligation: 4.10/1.94 Q restricted rewrite system: 4.10/1.94 The TRS R consists of the following rules: 4.10/1.94 4.10/1.94 h(x, y) -> f(x, y, x) 4.10/1.94 f(0, 1, x) -> h(x, x) 4.10/1.94 g(x, y) -> x 4.10/1.94 g(x, y) -> y 4.10/1.94 4.10/1.94 The set Q consists of the following terms: 4.10/1.94 4.10/1.94 h(x0, x1) 4.10/1.94 f(0, 1, x0) 4.10/1.94 g(x0, x1) 4.10/1.94 4.10/1.94 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (1) DependencyPairsProof (EQUIVALENT) 4.10/1.94 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (2) 4.10/1.94 Obligation: 4.10/1.94 Q DP problem: 4.10/1.94 The TRS P consists of the following rules: 4.10/1.94 4.10/1.94 H(x, y) -> F(x, y, x) 4.10/1.94 F(0, 1, x) -> H(x, x) 4.10/1.94 4.10/1.94 The TRS R consists of the following rules: 4.10/1.94 4.10/1.94 h(x, y) -> f(x, y, x) 4.10/1.94 f(0, 1, x) -> h(x, x) 4.10/1.94 g(x, y) -> x 4.10/1.94 g(x, y) -> y 4.10/1.94 4.10/1.94 The set Q consists of the following terms: 4.10/1.94 4.10/1.94 h(x0, x1) 4.10/1.94 f(0, 1, x0) 4.10/1.94 g(x0, x1) 4.10/1.94 4.10/1.94 We have to consider all minimal (P,Q,R)-chains. 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (3) UsableRulesProof (EQUIVALENT) 4.10/1.94 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. 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (4) 4.10/1.94 Obligation: 4.10/1.94 Q DP problem: 4.10/1.94 The TRS P consists of the following rules: 4.10/1.94 4.10/1.94 H(x, y) -> F(x, y, x) 4.10/1.94 F(0, 1, x) -> H(x, x) 4.10/1.94 4.10/1.94 R is empty. 4.10/1.94 The set Q consists of the following terms: 4.10/1.94 4.10/1.94 h(x0, x1) 4.10/1.94 f(0, 1, x0) 4.10/1.94 g(x0, x1) 4.10/1.94 4.10/1.94 We have to consider all minimal (P,Q,R)-chains. 4.10/1.94 ---------------------------------------- 4.10/1.94 4.10/1.94 (5) QReductionProof (EQUIVALENT) 4.10/1.94 We deleted the following terms from Q as each root-symbol of these terms does neither occur in P nor in R.[THIEMANN]. 4.10/1.95 4.10/1.95 h(x0, x1) 4.10/1.95 f(0, 1, x0) 4.10/1.95 g(x0, x1) 4.10/1.95 4.10/1.95 4.10/1.95 ---------------------------------------- 4.10/1.95 4.10/1.95 (6) 4.10/1.95 Obligation: 4.10/1.95 Q DP problem: 4.10/1.95 The TRS P consists of the following rules: 4.10/1.95 4.10/1.95 H(x, y) -> F(x, y, x) 4.10/1.95 F(0, 1, x) -> H(x, x) 4.10/1.95 4.10/1.95 R is empty. 4.10/1.95 Q is empty. 4.10/1.95 We have to consider all minimal (P,Q,R)-chains. 4.10/1.95 ---------------------------------------- 4.10/1.95 4.10/1.95 (7) TransformationProof (EQUIVALENT) 4.10/1.95 By instantiating [LPAR04] the rule H(x, y) -> F(x, y, x) we obtained the following new rules [LPAR04]: 4.10/1.95 4.10/1.95 (H(z0, z0) -> F(z0, z0, z0),H(z0, z0) -> F(z0, z0, z0)) 4.10/1.95 4.10/1.95 4.10/1.95 ---------------------------------------- 4.10/1.95 4.10/1.95 (8) 4.10/1.95 Obligation: 4.10/1.95 Q DP problem: 4.10/1.95 The TRS P consists of the following rules: 4.10/1.95 4.10/1.95 F(0, 1, x) -> H(x, x) 4.10/1.95 H(z0, z0) -> F(z0, z0, z0) 4.10/1.95 4.10/1.95 R is empty. 4.10/1.95 Q is empty. 4.10/1.95 We have to consider all minimal (P,Q,R)-chains. 4.10/1.95 ---------------------------------------- 4.10/1.95 4.10/1.95 (9) DependencyGraphProof (EQUIVALENT) 4.10/1.95 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 2 less nodes. 4.10/1.95 ---------------------------------------- 4.10/1.95 4.10/1.95 (10) 4.10/1.95 TRUE 4.10/1.96 EOF