43.21/11.94 YES 43.50/12.04 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 43.50/12.04 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 43.50/12.04 43.50/12.04 43.50/12.04 Termination w.r.t. Q of the given QTRS could be proven: 43.50/12.04 43.50/12.04 (0) QTRS 43.50/12.04 (1) DependencyPairsProof [EQUIVALENT, 22 ms] 43.50/12.04 (2) QDP 43.50/12.04 (3) DependencyGraphProof [EQUIVALENT, 0 ms] 43.50/12.04 (4) QDP 43.50/12.04 (5) QDPOrderProof [EQUIVALENT, 64 ms] 43.50/12.04 (6) QDP 43.50/12.04 (7) PisEmptyProof [EQUIVALENT, 0 ms] 43.50/12.04 (8) YES 43.50/12.04 43.50/12.04 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (0) 43.50/12.04 Obligation: 43.50/12.04 Q restricted rewrite system: 43.50/12.04 The TRS R consists of the following rules: 43.50/12.04 43.50/12.04 a(x1) -> b(x1) 43.50/12.04 a(b(x1)) -> b(a(c(a(x1)))) 43.50/12.04 b(x1) -> c(x1) 43.50/12.04 c(c(x1)) -> x1 43.50/12.04 43.50/12.04 Q is empty. 43.50/12.04 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (1) DependencyPairsProof (EQUIVALENT) 43.50/12.04 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (2) 43.50/12.04 Obligation: 43.50/12.04 Q DP problem: 43.50/12.04 The TRS P consists of the following rules: 43.50/12.04 43.50/12.04 A(x1) -> B(x1) 43.50/12.04 A(b(x1)) -> B(a(c(a(x1)))) 43.50/12.04 A(b(x1)) -> A(c(a(x1))) 43.50/12.04 A(b(x1)) -> C(a(x1)) 43.50/12.04 A(b(x1)) -> A(x1) 43.50/12.04 B(x1) -> C(x1) 43.50/12.04 43.50/12.04 The TRS R consists of the following rules: 43.50/12.04 43.50/12.04 a(x1) -> b(x1) 43.50/12.04 a(b(x1)) -> b(a(c(a(x1)))) 43.50/12.04 b(x1) -> c(x1) 43.50/12.04 c(c(x1)) -> x1 43.50/12.04 43.50/12.04 Q is empty. 43.50/12.04 We have to consider all minimal (P,Q,R)-chains. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (3) DependencyGraphProof (EQUIVALENT) 43.50/12.04 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 4 less nodes. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (4) 43.50/12.04 Obligation: 43.50/12.04 Q DP problem: 43.50/12.04 The TRS P consists of the following rules: 43.50/12.04 43.50/12.04 A(b(x1)) -> A(x1) 43.50/12.04 A(b(x1)) -> A(c(a(x1))) 43.50/12.04 43.50/12.04 The TRS R consists of the following rules: 43.50/12.04 43.50/12.04 a(x1) -> b(x1) 43.50/12.04 a(b(x1)) -> b(a(c(a(x1)))) 43.50/12.04 b(x1) -> c(x1) 43.50/12.04 c(c(x1)) -> x1 43.50/12.04 43.50/12.04 Q is empty. 43.50/12.04 We have to consider all minimal (P,Q,R)-chains. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (5) QDPOrderProof (EQUIVALENT) 43.50/12.04 We use the reduction pair processor [LPAR04,JAR06]. 43.50/12.04 43.50/12.04 43.50/12.04 The following pairs can be oriented strictly and are deleted. 43.50/12.04 43.50/12.04 A(b(x1)) -> A(x1) 43.50/12.04 A(b(x1)) -> A(c(a(x1))) 43.50/12.04 The remaining pairs can at least be oriented weakly. 43.50/12.04 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 43.50/12.04 43.50/12.04 <<< 43.50/12.04 POL(A(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 43.50/12.04 >>> 43.50/12.04 43.50/12.04 <<< 43.50/12.04 POL(b(x_1)) = [[0A], [1A], [-I]] + [[-I, 0A, -I], [0A, 1A, -I], [0A, 0A, 0A]] * x_1 43.50/12.04 >>> 43.50/12.04 43.50/12.04 <<< 43.50/12.04 POL(c(x_1)) = [[0A], [-I], [-I]] + [[-I, 0A, -I], [0A, -I, -I], [0A, 0A, 0A]] * x_1 43.50/12.04 >>> 43.50/12.04 43.50/12.04 <<< 43.50/12.04 POL(a(x_1)) = [[0A], [1A], [0A]] + [[-I, 0A, -I], [0A, 1A, -I], [0A, 0A, 0A]] * x_1 43.50/12.04 >>> 43.50/12.04 43.50/12.04 43.50/12.04 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 43.50/12.04 43.50/12.04 a(x1) -> b(x1) 43.50/12.04 a(b(x1)) -> b(a(c(a(x1)))) 43.50/12.04 c(c(x1)) -> x1 43.50/12.04 b(x1) -> c(x1) 43.50/12.04 43.50/12.04 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (6) 43.50/12.04 Obligation: 43.50/12.04 Q DP problem: 43.50/12.04 P is empty. 43.50/12.04 The TRS R consists of the following rules: 43.50/12.04 43.50/12.04 a(x1) -> b(x1) 43.50/12.04 a(b(x1)) -> b(a(c(a(x1)))) 43.50/12.04 b(x1) -> c(x1) 43.50/12.04 c(c(x1)) -> x1 43.50/12.04 43.50/12.04 Q is empty. 43.50/12.04 We have to consider all minimal (P,Q,R)-chains. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (7) PisEmptyProof (EQUIVALENT) 43.50/12.04 The TRS P is empty. Hence, there is no (P,Q,R) chain. 43.50/12.04 ---------------------------------------- 43.50/12.04 43.50/12.04 (8) 43.50/12.04 YES 43.91/12.11 EOF