34.17/9.63 YES 34.17/9.64 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 34.17/9.64 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 34.17/9.64 34.17/9.64 34.17/9.64 Termination w.r.t. Q of the given QTRS could be proven: 34.17/9.64 34.17/9.64 (0) QTRS 34.17/9.64 (1) DependencyPairsProof [EQUIVALENT, 34 ms] 34.17/9.64 (2) QDP 34.17/9.64 (3) QDPOrderProof [EQUIVALENT, 245 ms] 34.17/9.64 (4) QDP 34.17/9.64 (5) QDPOrderProof [EQUIVALENT, 45 ms] 34.17/9.64 (6) QDP 34.17/9.64 (7) DependencyGraphProof [EQUIVALENT, 0 ms] 34.17/9.64 (8) QDP 34.17/9.64 (9) QDPOrderProof [EQUIVALENT, 39 ms] 34.17/9.64 (10) QDP 34.17/9.64 (11) PisEmptyProof [EQUIVALENT, 0 ms] 34.17/9.64 (12) YES 34.17/9.64 34.17/9.64 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (0) 34.17/9.64 Obligation: 34.17/9.64 Q restricted rewrite system: 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (1) DependencyPairsProof (EQUIVALENT) 34.17/9.64 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (2) 34.17/9.64 Obligation: 34.17/9.64 Q DP problem: 34.17/9.64 The TRS P consists of the following rules: 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> B(a(b(a(x1)))) 34.17/9.64 A(a(a(b(x1)))) -> A(b(a(x1))) 34.17/9.64 A(a(a(b(x1)))) -> B(a(x1)) 34.17/9.64 A(a(a(b(x1)))) -> A(x1) 34.17/9.64 B(b(a(x1))) -> A(a(b(a(x1)))) 34.17/9.64 B(b(a(x1))) -> A(b(a(x1))) 34.17/9.64 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 We have to consider all minimal (P,Q,R)-chains. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (3) QDPOrderProof (EQUIVALENT) 34.17/9.64 We use the reduction pair processor [LPAR04,JAR06]. 34.17/9.64 34.17/9.64 34.17/9.64 The following pairs can be oriented strictly and are deleted. 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> B(a(x1)) 34.17/9.64 The remaining pairs can at least be oriented weakly. 34.17/9.64 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(A(x_1)) = [[1A]] + [[0A, -I, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(a(x_1)) = [[0A], [0A], [0A]] + [[-I, 0A, -I], [0A, 0A, 0A], [0A, -I, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(b(x_1)) = [[1A], [-I], [-I]] + [[-I, -I, 0A], [-I, -I, 0A], [1A, -I, 0A]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(B(x_1)) = [[0A]] + [[-I, -I, 0A]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 34.17/9.64 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 34.17/9.64 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 34.17/9.64 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (4) 34.17/9.64 Obligation: 34.17/9.64 Q DP problem: 34.17/9.64 The TRS P consists of the following rules: 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> B(a(b(a(x1)))) 34.17/9.64 A(a(a(b(x1)))) -> A(b(a(x1))) 34.17/9.64 A(a(a(b(x1)))) -> A(x1) 34.17/9.64 B(b(a(x1))) -> A(a(b(a(x1)))) 34.17/9.64 B(b(a(x1))) -> A(b(a(x1))) 34.17/9.64 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 We have to consider all minimal (P,Q,R)-chains. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (5) QDPOrderProof (EQUIVALENT) 34.17/9.64 We use the reduction pair processor [LPAR04,JAR06]. 34.17/9.64 34.17/9.64 34.17/9.64 The following pairs can be oriented strictly and are deleted. 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> B(a(b(a(x1)))) 34.17/9.64 The remaining pairs can at least be oriented weakly. 34.17/9.64 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(A(x_1)) = [[1A]] + [[-I, 0A, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(a(x_1)) = [[0A], [0A], [0A]] + [[-I, 0A, -I], [-I, -I, 0A], [0A, 0A, 0A]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(b(x_1)) = [[0A], [1A], [0A]] + [[0A, 1A, -I], [0A, -I, -I], [0A, -I, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(B(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 34.17/9.64 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 34.17/9.64 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 34.17/9.64 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (6) 34.17/9.64 Obligation: 34.17/9.64 Q DP problem: 34.17/9.64 The TRS P consists of the following rules: 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> A(b(a(x1))) 34.17/9.64 A(a(a(b(x1)))) -> A(x1) 34.17/9.64 B(b(a(x1))) -> A(a(b(a(x1)))) 34.17/9.64 B(b(a(x1))) -> A(b(a(x1))) 34.17/9.64 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 We have to consider all minimal (P,Q,R)-chains. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (7) DependencyGraphProof (EQUIVALENT) 34.17/9.64 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 2 less nodes. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (8) 34.17/9.64 Obligation: 34.17/9.64 Q DP problem: 34.17/9.64 The TRS P consists of the following rules: 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> A(x1) 34.17/9.64 A(a(a(b(x1)))) -> A(b(a(x1))) 34.17/9.64 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 We have to consider all minimal (P,Q,R)-chains. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (9) QDPOrderProof (EQUIVALENT) 34.17/9.64 We use the reduction pair processor [LPAR04,JAR06]. 34.17/9.64 34.17/9.64 34.17/9.64 The following pairs can be oriented strictly and are deleted. 34.17/9.64 34.17/9.64 A(a(a(b(x1)))) -> A(x1) 34.17/9.64 A(a(a(b(x1)))) -> A(b(a(x1))) 34.17/9.64 The remaining pairs can at least be oriented weakly. 34.17/9.64 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(A(x_1)) = [[0A]] + [[0A, -I, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(a(x_1)) = [[0A], [-I], [1A]] + [[0A, -I, 0A], [0A, -I, -I], [0A, 0A, 0A]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 <<< 34.17/9.64 POL(b(x_1)) = [[0A], [0A], [-I]] + [[-I, 0A, -I], [1A, -I, -I], [-I, 0A, -I]] * x_1 34.17/9.64 >>> 34.17/9.64 34.17/9.64 34.17/9.64 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 34.17/9.64 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 34.17/9.64 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (10) 34.17/9.64 Obligation: 34.17/9.64 Q DP problem: 34.17/9.64 P is empty. 34.17/9.64 The TRS R consists of the following rules: 34.17/9.64 34.17/9.64 a(a(a(b(x1)))) -> b(a(b(a(x1)))) 34.17/9.64 b(b(a(x1))) -> a(a(b(a(x1)))) 34.17/9.64 34.17/9.64 Q is empty. 34.17/9.64 We have to consider all minimal (P,Q,R)-chains. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (11) PisEmptyProof (EQUIVALENT) 34.17/9.64 The TRS P is empty. Hence, there is no (P,Q,R) chain. 34.17/9.64 ---------------------------------------- 34.17/9.64 34.17/9.64 (12) 34.17/9.64 YES 34.77/9.74 EOF