28.67/8.25 YES 28.92/8.33 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 28.92/8.33 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 28.92/8.33 28.92/8.33 28.92/8.33 Termination w.r.t. Q of the given QTRS could be proven: 28.92/8.33 28.92/8.33 (0) QTRS 28.92/8.33 (1) DependencyPairsProof [EQUIVALENT, 21 ms] 28.92/8.33 (2) QDP 28.92/8.33 (3) QDPOrderProof [EQUIVALENT, 149 ms] 28.92/8.33 (4) QDP 28.92/8.33 (5) QDPOrderProof [EQUIVALENT, 47 ms] 28.92/8.33 (6) QDP 28.92/8.33 (7) QDPOrderProof [EQUIVALENT, 59 ms] 28.92/8.33 (8) QDP 28.92/8.33 (9) PisEmptyProof [EQUIVALENT, 0 ms] 28.92/8.33 (10) YES 28.92/8.33 28.92/8.33 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (0) 28.92/8.33 Obligation: 28.92/8.33 Q restricted rewrite system: 28.92/8.33 The TRS R consists of the following rules: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 Q is empty. 28.92/8.33 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (1) DependencyPairsProof (EQUIVALENT) 28.92/8.33 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (2) 28.92/8.33 Obligation: 28.92/8.33 Q DP problem: 28.92/8.33 The TRS P consists of the following rules: 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(a(b(a(b(b(x1)))))) 28.92/8.33 A(b(b(a(x1)))) -> A(b(a(b(b(x1))))) 28.92/8.33 A(b(b(a(x1)))) -> A(b(b(x1))) 28.92/8.33 28.92/8.33 The TRS R consists of the following rules: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 Q is empty. 28.92/8.33 We have to consider all minimal (P,Q,R)-chains. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (3) QDPOrderProof (EQUIVALENT) 28.92/8.33 We use the reduction pair processor [LPAR04,JAR06]. 28.92/8.33 28.92/8.33 28.92/8.33 The following pairs can be oriented strictly and are deleted. 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(b(b(x1))) 28.92/8.33 The remaining pairs can at least be oriented weakly. 28.92/8.33 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(A(x_1)) = [[0A]] + [[0A, -I, 0A]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(b(x_1)) = [[0A], [-I], [-I]] + [[-I, -I, 0A], [-I, -I, -I], [-I, 0A, -I]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(a(x_1)) = [[0A], [1A], [0A]] + [[0A, 0A, -I], [1A, 1A, -I], [0A, 0A, 0A]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 28.92/8.33 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (4) 28.92/8.33 Obligation: 28.92/8.33 Q DP problem: 28.92/8.33 The TRS P consists of the following rules: 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(a(b(a(b(b(x1)))))) 28.92/8.33 A(b(b(a(x1)))) -> A(b(a(b(b(x1))))) 28.92/8.33 28.92/8.33 The TRS R consists of the following rules: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 Q is empty. 28.92/8.33 We have to consider all minimal (P,Q,R)-chains. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (5) QDPOrderProof (EQUIVALENT) 28.92/8.33 We use the reduction pair processor [LPAR04,JAR06]. 28.92/8.33 28.92/8.33 28.92/8.33 The following pairs can be oriented strictly and are deleted. 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(b(a(b(b(x1))))) 28.92/8.33 The remaining pairs can at least be oriented weakly. 28.92/8.33 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(A(x_1)) = [[0A]] + [[0A, -I, 0A]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(b(x_1)) = [[0A], [0A], [0A]] + [[-I, -I, -I], [0A, -I, -I], [-I, 0A, -I]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(a(x_1)) = [[1A], [0A], [0A]] + [[1A, -I, 1A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 28.92/8.33 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (6) 28.92/8.33 Obligation: 28.92/8.33 Q DP problem: 28.92/8.33 The TRS P consists of the following rules: 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 The TRS R consists of the following rules: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 Q is empty. 28.92/8.33 We have to consider all minimal (P,Q,R)-chains. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (7) QDPOrderProof (EQUIVALENT) 28.92/8.33 We use the reduction pair processor [LPAR04,JAR06]. 28.92/8.33 28.92/8.33 28.92/8.33 The following pairs can be oriented strictly and are deleted. 28.92/8.33 28.92/8.33 A(b(b(a(x1)))) -> A(a(b(a(b(b(x1)))))) 28.92/8.33 The remaining pairs can at least be oriented weakly. 28.92/8.33 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(A(x_1)) = [[-I]] + [[0A, -I, -I]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(b(x_1)) = [[0A], [0A], [0A]] + [[-I, -I, 0A], [-I, -I, -I], [-I, 0A, -I]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 <<< 28.92/8.33 POL(a(x_1)) = [[0A], [1A], [-I]] + [[0A, 0A, -I], [1A, 1A, 0A], [0A, 0A, 0A]] * x_1 28.92/8.33 >>> 28.92/8.33 28.92/8.33 28.92/8.33 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (8) 28.92/8.33 Obligation: 28.92/8.33 Q DP problem: 28.92/8.33 P is empty. 28.92/8.33 The TRS R consists of the following rules: 28.92/8.33 28.92/8.33 a(x1) -> x1 28.92/8.33 a(b(b(a(x1)))) -> a(a(b(a(b(b(x1)))))) 28.92/8.33 28.92/8.33 Q is empty. 28.92/8.33 We have to consider all minimal (P,Q,R)-chains. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (9) PisEmptyProof (EQUIVALENT) 28.92/8.33 The TRS P is empty. Hence, there is no (P,Q,R) chain. 28.92/8.33 ---------------------------------------- 28.92/8.33 28.92/8.33 (10) 28.92/8.33 YES 29.37/8.51 EOF