37.82/10.57 YES 37.82/10.59 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 37.82/10.59 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 37.82/10.59 37.82/10.59 37.82/10.59 Termination w.r.t. Q of the given QTRS could be proven: 37.82/10.59 37.82/10.59 (0) QTRS 37.82/10.59 (1) DependencyPairsProof [EQUIVALENT, 21 ms] 37.82/10.59 (2) QDP 37.82/10.59 (3) DependencyGraphProof [EQUIVALENT, 8 ms] 37.82/10.59 (4) QDP 37.82/10.59 (5) MRRProof [EQUIVALENT, 59 ms] 37.82/10.59 (6) QDP 37.82/10.59 (7) DependencyGraphProof [EQUIVALENT, 0 ms] 37.82/10.59 (8) AND 37.82/10.59 (9) QDP 37.82/10.59 (10) QDPOrderProof [EQUIVALENT, 118 ms] 37.82/10.59 (11) QDP 37.82/10.59 (12) PisEmptyProof [EQUIVALENT, 0 ms] 37.82/10.59 (13) YES 37.82/10.59 (14) QDP 37.82/10.59 (15) QDPOrderProof [EQUIVALENT, 416 ms] 37.82/10.59 (16) QDP 37.82/10.59 (17) PisEmptyProof [EQUIVALENT, 0 ms] 37.82/10.59 (18) YES 37.82/10.59 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (0) 37.82/10.59 Obligation: 37.82/10.59 Q restricted rewrite system: 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (1) DependencyPairsProof (EQUIVALENT) 37.82/10.59 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (2) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 The TRS P consists of the following rules: 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(b(a(b(x1)))) 37.82/10.59 B(b(a(a(x1)))) -> B(a(b(x1))) 37.82/10.59 B(b(a(a(x1)))) -> A(b(x1)) 37.82/10.59 B(b(a(a(x1)))) -> B(x1) 37.82/10.59 A(a(b(b(x1)))) -> B(b(a(a(x1)))) 37.82/10.59 A(a(b(b(x1)))) -> B(a(a(x1))) 37.82/10.59 A(a(b(b(x1)))) -> A(a(x1)) 37.82/10.59 A(a(b(b(x1)))) -> A(x1) 37.82/10.59 B(a(a(b(x1)))) -> B(a(a(a(x1)))) 37.82/10.59 B(a(a(b(x1)))) -> A(a(a(x1))) 37.82/10.59 B(a(a(b(x1)))) -> A(a(x1)) 37.82/10.59 B(a(a(b(x1)))) -> A(x1) 37.82/10.59 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (3) DependencyGraphProof (EQUIVALENT) 37.82/10.59 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 1 less node. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (4) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 The TRS P consists of the following rules: 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(a(b(x1))) 37.82/10.59 B(b(a(a(x1)))) -> B(b(a(b(x1)))) 37.82/10.59 B(b(a(a(x1)))) -> B(x1) 37.82/10.59 B(a(a(b(x1)))) -> B(a(a(a(x1)))) 37.82/10.59 B(a(a(b(x1)))) -> A(a(a(x1))) 37.82/10.59 A(a(b(b(x1)))) -> B(b(a(a(x1)))) 37.82/10.59 A(a(b(b(x1)))) -> B(a(a(x1))) 37.82/10.59 B(a(a(b(x1)))) -> A(a(x1)) 37.82/10.59 A(a(b(b(x1)))) -> A(a(x1)) 37.82/10.59 A(a(b(b(x1)))) -> A(x1) 37.82/10.59 B(a(a(b(x1)))) -> A(x1) 37.82/10.59 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (5) MRRProof (EQUIVALENT) 37.82/10.59 By using the rule removal processor [LPAR04] with the following ordering, at least one Dependency Pair or term rewrite system rule of this QDP problem can be strictly oriented. 37.82/10.59 37.82/10.59 Strictly oriented dependency pairs: 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(a(b(x1))) 37.82/10.59 B(b(a(a(x1)))) -> B(x1) 37.82/10.59 B(a(a(b(x1)))) -> A(a(a(x1))) 37.82/10.59 A(a(b(b(x1)))) -> B(b(a(a(x1)))) 37.82/10.59 A(a(b(b(x1)))) -> B(a(a(x1))) 37.82/10.59 B(a(a(b(x1)))) -> A(a(x1)) 37.82/10.59 A(a(b(b(x1)))) -> A(a(x1)) 37.82/10.59 A(a(b(b(x1)))) -> A(x1) 37.82/10.59 B(a(a(b(x1)))) -> A(x1) 37.82/10.59 37.82/10.59 37.82/10.59 Used ordering: Polynomial interpretation [POLO]: 37.82/10.59 37.82/10.59 POL(A(x_1)) = 1 + 2*x_1 37.82/10.59 POL(B(x_1)) = 2*x_1 37.82/10.59 POL(a(x_1)) = 1 + x_1 37.82/10.59 POL(b(x_1)) = 1 + x_1 37.82/10.59 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (6) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 The TRS P consists of the following rules: 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(b(a(b(x1)))) 37.82/10.59 B(a(a(b(x1)))) -> B(a(a(a(x1)))) 37.82/10.59 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (7) DependencyGraphProof (EQUIVALENT) 37.82/10.59 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 2 SCCs. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (8) 37.82/10.59 Complex Obligation (AND) 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (9) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 The TRS P consists of the following rules: 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(b(a(b(x1)))) 37.82/10.59 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (10) QDPOrderProof (EQUIVALENT) 37.82/10.59 We use the reduction pair processor [LPAR04,JAR06]. 37.82/10.59 37.82/10.59 37.82/10.59 The following pairs can be oriented strictly and are deleted. 37.82/10.59 37.82/10.59 B(b(a(a(x1)))) -> B(b(a(b(x1)))) 37.82/10.59 The remaining pairs can at least be oriented weakly. 37.82/10.59 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(B(x_1)) = [[-I]] + [[0A, -I, 0A]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(b(x_1)) = [[0A], [0A], [-I]] + [[0A, 0A, -I], [-I, 0A, 0A], [-I, -I, -I]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(a(x_1)) = [[0A], [0A], [1A]] + [[-I, -I, 0A], [-I, -I, 0A], [0A, 0A, 0A]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 37.82/10.59 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 37.82/10.59 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (11) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 P is empty. 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (12) PisEmptyProof (EQUIVALENT) 37.82/10.59 The TRS P is empty. Hence, there is no (P,Q,R) chain. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (13) 37.82/10.59 YES 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (14) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 The TRS P consists of the following rules: 37.82/10.59 37.82/10.59 B(a(a(b(x1)))) -> B(a(a(a(x1)))) 37.82/10.59 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (15) QDPOrderProof (EQUIVALENT) 37.82/10.59 We use the reduction pair processor [LPAR04,JAR06]. 37.82/10.59 37.82/10.59 37.82/10.59 The following pairs can be oriented strictly and are deleted. 37.82/10.59 37.82/10.59 B(a(a(b(x1)))) -> B(a(a(a(x1)))) 37.82/10.59 The remaining pairs can at least be oriented weakly. 37.82/10.59 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(B(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(a(x_1)) = [[0A], [0A], [0A]] + [[-I, -I, 0A], [1A, -I, -I], [-I, 0A, -I]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 <<< 37.82/10.59 POL(b(x_1)) = [[0A], [0A], [1A]] + [[-I, -I, -I], [-I, -I, -I], [1A, 1A, -I]] * x_1 37.82/10.59 >>> 37.82/10.59 37.82/10.59 37.82/10.59 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 37.82/10.59 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 37.82/10.59 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (16) 37.82/10.59 Obligation: 37.82/10.59 Q DP problem: 37.82/10.59 P is empty. 37.82/10.59 The TRS R consists of the following rules: 37.82/10.59 37.82/10.59 b(b(a(a(x1)))) -> b(b(a(b(x1)))) 37.82/10.59 a(a(b(b(x1)))) -> b(b(a(a(x1)))) 37.82/10.59 b(a(a(b(x1)))) -> b(a(a(a(x1)))) 37.82/10.59 37.82/10.59 Q is empty. 37.82/10.59 We have to consider all minimal (P,Q,R)-chains. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (17) PisEmptyProof (EQUIVALENT) 37.82/10.59 The TRS P is empty. Hence, there is no (P,Q,R) chain. 37.82/10.59 ---------------------------------------- 37.82/10.59 37.82/10.59 (18) 37.82/10.59 YES 37.82/10.64 EOF