26.33/7.64 YES 26.33/7.68 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 26.33/7.68 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 26.33/7.68 26.33/7.68 26.33/7.68 Termination w.r.t. Q of the given QTRS could be proven: 26.33/7.68 26.33/7.68 (0) QTRS 26.33/7.68 (1) QTRS Reverse [EQUIVALENT, 0 ms] 26.33/7.68 (2) QTRS 26.33/7.68 (3) DependencyPairsProof [EQUIVALENT, 0 ms] 26.33/7.68 (4) QDP 26.33/7.68 (5) QDPOrderProof [EQUIVALENT, 207 ms] 26.33/7.68 (6) QDP 26.33/7.68 (7) QDPOrderProof [EQUIVALENT, 0 ms] 26.33/7.68 (8) QDP 26.33/7.68 (9) PisEmptyProof [EQUIVALENT, 0 ms] 26.33/7.68 (10) YES 26.33/7.68 26.33/7.68 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (0) 26.33/7.68 Obligation: 26.33/7.68 Q restricted rewrite system: 26.33/7.68 The TRS R consists of the following rules: 26.33/7.68 26.33/7.68 a(a(a(b(x1)))) -> b(a(b(a(a(a(x1)))))) 26.33/7.68 a(b(x1)) -> x1 26.33/7.68 26.33/7.68 Q is empty. 26.33/7.68 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (1) QTRS Reverse (EQUIVALENT) 26.33/7.68 We applied the QTRS Reverse Processor [REVERSE]. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (2) 26.33/7.68 Obligation: 26.33/7.68 Q restricted rewrite system: 26.33/7.68 The TRS R consists of the following rules: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 Q is empty. 26.33/7.68 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (3) DependencyPairsProof (EQUIVALENT) 26.33/7.68 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (4) 26.33/7.68 Obligation: 26.33/7.68 Q DP problem: 26.33/7.68 The TRS P consists of the following rules: 26.33/7.68 26.33/7.68 B(a(a(a(x1)))) -> B(a(b(x1))) 26.33/7.68 B(a(a(a(x1)))) -> B(x1) 26.33/7.68 26.33/7.68 The TRS R consists of the following rules: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 Q is empty. 26.33/7.68 We have to consider all minimal (P,Q,R)-chains. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (5) QDPOrderProof (EQUIVALENT) 26.33/7.68 We use the reduction pair processor [LPAR04,JAR06]. 26.33/7.68 26.33/7.68 26.33/7.68 The following pairs can be oriented strictly and are deleted. 26.33/7.68 26.33/7.68 B(a(a(a(x1)))) -> B(x1) 26.33/7.68 The remaining pairs can at least be oriented weakly. 26.33/7.68 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(B(x_1)) = [[0A]] + [[0A, 0A, 0A]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(a(x_1)) = [[1A], [-I], [-I]] + [[-I, 1A, 0A], [-I, -I, 0A], [0A, 0A, -I]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(b(x_1)) = [[0A], [-I], [-I]] + [[-I, -I, 0A], [-I, -I, 0A], [0A, 0A, 1A]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 26.33/7.68 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (6) 26.33/7.68 Obligation: 26.33/7.68 Q DP problem: 26.33/7.68 The TRS P consists of the following rules: 26.33/7.68 26.33/7.68 B(a(a(a(x1)))) -> B(a(b(x1))) 26.33/7.68 26.33/7.68 The TRS R consists of the following rules: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 Q is empty. 26.33/7.68 We have to consider all minimal (P,Q,R)-chains. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (7) QDPOrderProof (EQUIVALENT) 26.33/7.68 We use the reduction pair processor [LPAR04,JAR06]. 26.33/7.68 26.33/7.68 26.33/7.68 The following pairs can be oriented strictly and are deleted. 26.33/7.68 26.33/7.68 B(a(a(a(x1)))) -> B(a(b(x1))) 26.33/7.68 The remaining pairs can at least be oriented weakly. 26.33/7.68 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(B(x_1)) = [[-I]] + [[0A, -I, -I]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(a(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, -I], [0A, -I, 0A], [1A, 0A, 0A]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 <<< 26.33/7.68 POL(b(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, -I], [0A, -I, -I], [0A, 0A, -I]] * x_1 26.33/7.68 >>> 26.33/7.68 26.33/7.68 26.33/7.68 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (8) 26.33/7.68 Obligation: 26.33/7.68 Q DP problem: 26.33/7.68 P is empty. 26.33/7.68 The TRS R consists of the following rules: 26.33/7.68 26.33/7.68 b(a(a(a(x1)))) -> a(a(a(b(a(b(x1)))))) 26.33/7.68 b(a(x1)) -> x1 26.33/7.68 26.33/7.68 Q is empty. 26.33/7.68 We have to consider all minimal (P,Q,R)-chains. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (9) PisEmptyProof (EQUIVALENT) 26.33/7.68 The TRS P is empty. Hence, there is no (P,Q,R) chain. 26.33/7.68 ---------------------------------------- 26.33/7.68 26.33/7.68 (10) 26.33/7.68 YES 26.56/7.75 EOF