29.70/8.45 YES 29.86/8.49 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 29.86/8.49 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 29.86/8.49 29.86/8.49 29.86/8.49 Termination w.r.t. Q of the given QTRS could be proven: 29.86/8.49 29.86/8.49 (0) QTRS 29.86/8.49 (1) QTRS Reverse [EQUIVALENT, 0 ms] 29.86/8.49 (2) QTRS 29.86/8.49 (3) DependencyPairsProof [EQUIVALENT, 1 ms] 29.86/8.49 (4) QDP 29.86/8.49 (5) QDPOrderProof [EQUIVALENT, 122 ms] 29.86/8.49 (6) QDP 29.86/8.49 (7) QDPOrderProof [EQUIVALENT, 33 ms] 29.86/8.49 (8) QDP 29.86/8.49 (9) QDPOrderProof [EQUIVALENT, 0 ms] 29.86/8.49 (10) QDP 29.86/8.49 (11) DependencyGraphProof [EQUIVALENT, 0 ms] 29.86/8.49 (12) TRUE 29.86/8.49 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (0) 29.86/8.49 Obligation: 29.86/8.49 Q restricted rewrite system: 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 a(b(x1)) -> c(c(x1)) 29.86/8.49 b(c(x1)) -> b(a(a(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (1) QTRS Reverse (EQUIVALENT) 29.86/8.49 We applied the QTRS Reverse Processor [REVERSE]. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (2) 29.86/8.49 Obligation: 29.86/8.49 Q restricted rewrite system: 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (3) DependencyPairsProof (EQUIVALENT) 29.86/8.49 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (4) 29.86/8.49 Obligation: 29.86/8.49 Q DP problem: 29.86/8.49 The TRS P consists of the following rules: 29.86/8.49 29.86/8.49 A(a(x1)) -> B(x1) 29.86/8.49 B(a(x1)) -> C(c(x1)) 29.86/8.49 B(a(x1)) -> C(x1) 29.86/8.49 C(b(x1)) -> A(a(b(x1))) 29.86/8.49 C(b(x1)) -> A(b(x1)) 29.86/8.49 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 We have to consider all minimal (P,Q,R)-chains. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (5) QDPOrderProof (EQUIVALENT) 29.86/8.49 We use the reduction pair processor [LPAR04,JAR06]. 29.86/8.49 29.86/8.49 29.86/8.49 The following pairs can be oriented strictly and are deleted. 29.86/8.49 29.86/8.49 B(a(x1)) -> C(x1) 29.86/8.49 The remaining pairs can at least be oriented weakly. 29.86/8.49 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(A(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(a(x_1)) = [[-I], [-I], [0A]] + [[0A, 0A, 0A], [0A, 0A, -I], [1A, 1A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(B(x_1)) = [[-I]] + [[0A, -I, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(C(x_1)) = [[-I]] + [[0A, -I, -I]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(c(x_1)) = [[0A], [-I], [0A]] + [[0A, 1A, 0A], [0A, -I, -I], [0A, 1A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(b(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 29.86/8.49 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 29.86/8.49 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (6) 29.86/8.49 Obligation: 29.86/8.49 Q DP problem: 29.86/8.49 The TRS P consists of the following rules: 29.86/8.49 29.86/8.49 A(a(x1)) -> B(x1) 29.86/8.49 B(a(x1)) -> C(c(x1)) 29.86/8.49 C(b(x1)) -> A(a(b(x1))) 29.86/8.49 C(b(x1)) -> A(b(x1)) 29.86/8.49 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 We have to consider all minimal (P,Q,R)-chains. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (7) QDPOrderProof (EQUIVALENT) 29.86/8.49 We use the reduction pair processor [LPAR04,JAR06]. 29.86/8.49 29.86/8.49 29.86/8.49 The following pairs can be oriented strictly and are deleted. 29.86/8.49 29.86/8.49 C(b(x1)) -> A(b(x1)) 29.86/8.49 The remaining pairs can at least be oriented weakly. 29.86/8.49 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(A(x_1)) = [[0A]] + [[-I, 0A, -I]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(a(x_1)) = [[0A], [1A], [0A]] + [[0A, 0A, 1A], [0A, -I, 0A], [-I, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(B(x_1)) = [[1A]] + [[0A, -I, -I]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(C(x_1)) = [[1A]] + [[0A, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(c(x_1)) = [[1A], [1A], [1A]] + [[0A, 0A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(b(x_1)) = [[-I], [0A], [0A]] + [[0A, 1A, 1A], [-I, 0A, 0A], [-I, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 29.86/8.49 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 29.86/8.49 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (8) 29.86/8.49 Obligation: 29.86/8.49 Q DP problem: 29.86/8.49 The TRS P consists of the following rules: 29.86/8.49 29.86/8.49 A(a(x1)) -> B(x1) 29.86/8.49 B(a(x1)) -> C(c(x1)) 29.86/8.49 C(b(x1)) -> A(a(b(x1))) 29.86/8.49 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 We have to consider all minimal (P,Q,R)-chains. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (9) QDPOrderProof (EQUIVALENT) 29.86/8.49 We use the reduction pair processor [LPAR04,JAR06]. 29.86/8.49 29.86/8.49 29.86/8.49 The following pairs can be oriented strictly and are deleted. 29.86/8.49 29.86/8.49 B(a(x1)) -> C(c(x1)) 29.86/8.49 The remaining pairs can at least be oriented weakly. 29.86/8.49 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(A(x_1)) = [[0A]] + [[0A, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(a(x_1)) = [[0A], [0A], [0A]] + [[0A, 1A, 0A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(B(x_1)) = [[0A]] + [[0A, 1A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(C(x_1)) = [[0A]] + [[-I, 0A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(c(x_1)) = [[0A], [0A], [-I]] + [[0A, 1A, 1A], [-I, 0A, 0A], [0A, 0A, -I]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 <<< 29.86/8.49 POL(b(x_1)) = [[0A], [-I], [0A]] + [[0A, 1A, 0A], [-I, 0A, -I], [0A, 1A, 0A]] * x_1 29.86/8.49 >>> 29.86/8.49 29.86/8.49 29.86/8.49 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 29.86/8.49 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 29.86/8.49 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (10) 29.86/8.49 Obligation: 29.86/8.49 Q DP problem: 29.86/8.49 The TRS P consists of the following rules: 29.86/8.49 29.86/8.49 A(a(x1)) -> B(x1) 29.86/8.49 C(b(x1)) -> A(a(b(x1))) 29.86/8.49 29.86/8.49 The TRS R consists of the following rules: 29.86/8.49 29.86/8.49 a(a(x1)) -> b(x1) 29.86/8.49 b(a(x1)) -> c(c(x1)) 29.86/8.49 c(b(x1)) -> a(a(b(x1))) 29.86/8.49 29.86/8.49 Q is empty. 29.86/8.49 We have to consider all minimal (P,Q,R)-chains. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (11) DependencyGraphProof (EQUIVALENT) 29.86/8.49 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 0 SCCs with 2 less nodes. 29.86/8.49 ---------------------------------------- 29.86/8.49 29.86/8.49 (12) 29.86/8.49 TRUE 30.19/8.57 EOF