32.23/9.15 YES 32.23/9.15 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 32.23/9.15 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 32.23/9.15 32.23/9.15 32.23/9.15 Termination w.r.t. Q of the given QTRS could be proven: 32.23/9.15 32.23/9.15 (0) QTRS 32.23/9.15 (1) QTRS Reverse [EQUIVALENT, 0 ms] 32.23/9.15 (2) QTRS 32.23/9.15 (3) DependencyPairsProof [EQUIVALENT, 20 ms] 32.23/9.15 (4) QDP 32.23/9.15 (5) QDPOrderProof [EQUIVALENT, 24 ms] 32.23/9.15 (6) QDP 32.23/9.15 (7) DependencyGraphProof [EQUIVALENT, 0 ms] 32.23/9.15 (8) AND 32.23/9.15 (9) QDP 32.23/9.15 (10) QDPOrderProof [EQUIVALENT, 1206 ms] 32.23/9.15 (11) QDP 32.23/9.15 (12) PisEmptyProof [EQUIVALENT, 0 ms] 32.23/9.15 (13) YES 32.23/9.15 (14) QDP 32.23/9.15 (15) QDPOrderProof [EQUIVALENT, 0 ms] 32.23/9.15 (16) QDP 32.23/9.15 (17) PisEmptyProof [EQUIVALENT, 0 ms] 32.23/9.15 (18) YES 32.23/9.15 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (0) 32.23/9.15 Obligation: 32.23/9.15 Q restricted rewrite system: 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> b(a(a(a(x1)))) 32.23/9.15 a(b(a(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (1) QTRS Reverse (EQUIVALENT) 32.23/9.15 We applied the QTRS Reverse Processor [REVERSE]. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (2) 32.23/9.15 Obligation: 32.23/9.15 Q restricted rewrite system: 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (3) DependencyPairsProof (EQUIVALENT) 32.23/9.15 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (4) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 The TRS P consists of the following rules: 32.23/9.15 32.23/9.15 B(b(b(b(x1)))) -> B(b(a(a(x1)))) 32.23/9.15 B(b(b(b(x1)))) -> B(a(a(x1))) 32.23/9.15 B(b(b(b(x1)))) -> A(a(x1)) 32.23/9.15 B(b(b(b(x1)))) -> A(x1) 32.23/9.15 A(a(a(a(x1)))) -> A(a(a(b(x1)))) 32.23/9.15 A(a(a(a(x1)))) -> A(a(b(x1))) 32.23/9.15 A(a(a(a(x1)))) -> A(b(x1)) 32.23/9.15 A(a(a(a(x1)))) -> B(x1) 32.23/9.15 B(a(b(a(x1)))) -> A(a(b(b(x1)))) 32.23/9.15 B(a(b(a(x1)))) -> A(b(b(x1))) 32.23/9.15 B(a(b(a(x1)))) -> B(b(x1)) 32.23/9.15 B(a(b(a(x1)))) -> B(x1) 32.23/9.15 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (5) QDPOrderProof (EQUIVALENT) 32.23/9.15 We use the reduction pair processor [LPAR04,JAR06]. 32.23/9.15 32.23/9.15 32.23/9.15 The following pairs can be oriented strictly and are deleted. 32.23/9.15 32.23/9.15 B(b(b(b(x1)))) -> B(a(a(x1))) 32.23/9.15 B(b(b(b(x1)))) -> A(a(x1)) 32.23/9.15 B(b(b(b(x1)))) -> A(x1) 32.23/9.15 A(a(a(a(x1)))) -> A(a(b(x1))) 32.23/9.15 A(a(a(a(x1)))) -> A(b(x1)) 32.23/9.15 A(a(a(a(x1)))) -> B(x1) 32.23/9.15 B(a(b(a(x1)))) -> A(b(b(x1))) 32.23/9.15 B(a(b(a(x1)))) -> B(b(x1)) 32.23/9.15 B(a(b(a(x1)))) -> B(x1) 32.23/9.15 The remaining pairs can at least be oriented weakly. 32.23/9.15 Used ordering: Polynomial interpretation [POLO]: 32.23/9.15 32.23/9.15 POL(A(x_1)) = 1 + x_1 32.23/9.15 POL(B(x_1)) = 1 + x_1 32.23/9.15 POL(a(x_1)) = 1 + x_1 32.23/9.15 POL(b(x_1)) = 1 + x_1 32.23/9.15 32.23/9.15 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 32.23/9.15 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (6) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 The TRS P consists of the following rules: 32.23/9.15 32.23/9.15 B(b(b(b(x1)))) -> B(b(a(a(x1)))) 32.23/9.15 A(a(a(a(x1)))) -> A(a(a(b(x1)))) 32.23/9.15 B(a(b(a(x1)))) -> A(a(b(b(x1)))) 32.23/9.15 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (7) DependencyGraphProof (EQUIVALENT) 32.23/9.15 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 2 SCCs with 1 less node. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (8) 32.23/9.15 Complex Obligation (AND) 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (9) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 The TRS P consists of the following rules: 32.23/9.15 32.23/9.15 A(a(a(a(x1)))) -> A(a(a(b(x1)))) 32.23/9.15 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (10) QDPOrderProof (EQUIVALENT) 32.23/9.15 We use the reduction pair processor [LPAR04,JAR06]. 32.23/9.15 32.23/9.15 32.23/9.15 The following pairs can be oriented strictly and are deleted. 32.23/9.15 32.23/9.15 A(a(a(a(x1)))) -> A(a(a(b(x1)))) 32.23/9.15 The remaining pairs can at least be oriented weakly. 32.23/9.15 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 32.23/9.15 32.23/9.15 <<< 32.23/9.15 POL(A(x_1)) = [[-I]] + [[0A, 0A, 0A]] * x_1 32.23/9.15 >>> 32.23/9.15 32.23/9.15 <<< 32.23/9.15 POL(a(x_1)) = [[1A], [0A], [0A]] + [[1A, 1A, -I], [-I, -I, 0A], [-I, -I, -I]] * x_1 32.23/9.15 >>> 32.23/9.15 32.23/9.15 <<< 32.23/9.15 POL(b(x_1)) = [[0A], [0A], [0A]] + [[-I, 0A, -I], [-I, 0A, -I], [1A, 0A, -I]] * x_1 32.23/9.15 >>> 32.23/9.15 32.23/9.15 32.23/9.15 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (11) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 P is empty. 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (12) PisEmptyProof (EQUIVALENT) 32.23/9.15 The TRS P is empty. Hence, there is no (P,Q,R) chain. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (13) 32.23/9.15 YES 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (14) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 The TRS P consists of the following rules: 32.23/9.15 32.23/9.15 B(b(b(b(x1)))) -> B(b(a(a(x1)))) 32.23/9.15 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (15) QDPOrderProof (EQUIVALENT) 32.23/9.15 We use the reduction pair processor [LPAR04,JAR06]. 32.23/9.15 32.23/9.15 32.23/9.15 The following pairs can be oriented strictly and are deleted. 32.23/9.15 32.23/9.15 B(b(b(b(x1)))) -> B(b(a(a(x1)))) 32.23/9.15 The remaining pairs can at least be oriented weakly. 32.23/9.15 Used ordering: Polynomial interpretation [POLO]: 32.23/9.15 32.23/9.15 POL(B(x_1)) = x_1 32.23/9.15 POL(a(x_1)) = 0 32.23/9.15 POL(b(x_1)) = 1 + x_1 32.23/9.15 32.23/9.15 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 32.23/9.15 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (16) 32.23/9.15 Obligation: 32.23/9.15 Q DP problem: 32.23/9.15 P is empty. 32.23/9.15 The TRS R consists of the following rules: 32.23/9.15 32.23/9.15 b(b(b(b(x1)))) -> b(b(a(a(x1)))) 32.23/9.15 a(a(a(a(x1)))) -> a(a(a(b(x1)))) 32.23/9.15 b(a(b(a(x1)))) -> a(a(b(b(x1)))) 32.23/9.15 32.23/9.15 Q is empty. 32.23/9.15 We have to consider all minimal (P,Q,R)-chains. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (17) PisEmptyProof (EQUIVALENT) 32.23/9.15 The TRS P is empty. Hence, there is no (P,Q,R) chain. 32.23/9.15 ---------------------------------------- 32.23/9.15 32.23/9.15 (18) 32.23/9.15 YES 32.54/9.28 EOF