46.30/12.66 YES 46.30/12.73 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 46.30/12.73 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 46.30/12.73 46.30/12.73 46.30/12.73 Termination w.r.t. Q of the given QTRS could be proven: 46.30/12.73 46.30/12.73 (0) QTRS 46.30/12.73 (1) DependencyPairsProof [EQUIVALENT, 11 ms] 46.30/12.73 (2) QDP 46.30/12.73 (3) DependencyGraphProof [EQUIVALENT, 0 ms] 46.30/12.73 (4) QDP 46.30/12.73 (5) QDPOrderProof [EQUIVALENT, 131 ms] 46.30/12.73 (6) QDP 46.30/12.73 (7) QDPOrderProof [EQUIVALENT, 0 ms] 46.30/12.73 (8) QDP 46.30/12.73 (9) QDPOrderProof [EQUIVALENT, 0 ms] 46.30/12.73 (10) QDP 46.30/12.73 (11) PisEmptyProof [EQUIVALENT, 0 ms] 46.30/12.73 (12) YES 46.30/12.73 46.30/12.73 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (0) 46.30/12.73 Obligation: 46.30/12.73 Q restricted rewrite system: 46.30/12.73 The TRS R consists of the following rules: 46.30/12.73 46.30/12.73 a(x1) -> x1 46.30/12.73 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.73 b(c(x1)) -> x1 46.30/12.73 46.30/12.73 Q is empty. 46.30/12.73 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (1) DependencyPairsProof (EQUIVALENT) 46.30/12.73 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (2) 46.30/12.73 Obligation: 46.30/12.73 Q DP problem: 46.30/12.73 The TRS P consists of the following rules: 46.30/12.73 46.30/12.73 A(a(b(x1))) -> A(b(b(a(a(x1))))) 46.30/12.73 A(a(b(x1))) -> B(b(a(a(x1)))) 46.30/12.73 A(a(b(x1))) -> B(a(a(x1))) 46.30/12.73 A(a(b(x1))) -> A(a(x1)) 46.30/12.73 A(a(b(x1))) -> A(x1) 46.30/12.73 46.30/12.73 The TRS R consists of the following rules: 46.30/12.73 46.30/12.73 a(x1) -> x1 46.30/12.73 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.73 b(c(x1)) -> x1 46.30/12.73 46.30/12.73 Q is empty. 46.30/12.73 We have to consider all minimal (P,Q,R)-chains. 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (3) DependencyGraphProof (EQUIVALENT) 46.30/12.73 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 2 less nodes. 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (4) 46.30/12.73 Obligation: 46.30/12.73 Q DP problem: 46.30/12.73 The TRS P consists of the following rules: 46.30/12.73 46.30/12.73 A(a(b(x1))) -> A(a(x1)) 46.30/12.73 A(a(b(x1))) -> A(b(b(a(a(x1))))) 46.30/12.73 A(a(b(x1))) -> A(x1) 46.30/12.73 46.30/12.73 The TRS R consists of the following rules: 46.30/12.73 46.30/12.73 a(x1) -> x1 46.30/12.73 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.73 b(c(x1)) -> x1 46.30/12.73 46.30/12.73 Q is empty. 46.30/12.73 We have to consider all minimal (P,Q,R)-chains. 46.30/12.73 ---------------------------------------- 46.30/12.73 46.30/12.73 (5) QDPOrderProof (EQUIVALENT) 46.30/12.73 We use the reduction pair processor [LPAR04,JAR06]. 46.30/12.73 46.30/12.73 46.30/12.73 The following pairs can be oriented strictly and are deleted. 46.30/12.74 46.30/12.74 A(a(b(x1))) -> A(x1) 46.30/12.74 The remaining pairs can at least be oriented weakly. 46.30/12.74 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(A(x_1)) = [[0A]] + [[0A, 0A, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(a(x_1)) = [[-I], [1A], [-I]] + [[0A, -I, 1A], [1A, 0A, -I], [-I, -I, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(b(x_1)) = [[-I], [-I], [0A]] + [[0A, 0A, -I], [0A, 0A, 0A], [0A, -I, 1A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(c(x_1)) = [[1A], [-I], [-I]] + [[-I, -I, 0A], [0A, 0A, 0A], [-I, -I, -I]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 46.30/12.74 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (6) 46.30/12.74 Obligation: 46.30/12.74 Q DP problem: 46.30/12.74 The TRS P consists of the following rules: 46.30/12.74 46.30/12.74 A(a(b(x1))) -> A(a(x1)) 46.30/12.74 A(a(b(x1))) -> A(b(b(a(a(x1))))) 46.30/12.74 46.30/12.74 The TRS R consists of the following rules: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 Q is empty. 46.30/12.74 We have to consider all minimal (P,Q,R)-chains. 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (7) QDPOrderProof (EQUIVALENT) 46.30/12.74 We use the reduction pair processor [LPAR04,JAR06]. 46.30/12.74 46.30/12.74 46.30/12.74 The following pairs can be oriented strictly and are deleted. 46.30/12.74 46.30/12.74 A(a(b(x1))) -> A(a(x1)) 46.30/12.74 The remaining pairs can at least be oriented weakly. 46.30/12.74 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(A(x_1)) = [[0A]] + [[-I, -I, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(a(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, 0A], [0A, 0A, 1A], [0A, -I, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(b(x_1)) = [[0A], [0A], [1A]] + [[1A, 0A, 1A], [0A, 0A, 0A], [0A, 0A, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(c(x_1)) = [[1A], [-I], [-I]] + [[-I, -I, -I], [0A, 0A, 0A], [-I, -I, -I]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 46.30/12.74 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (8) 46.30/12.74 Obligation: 46.30/12.74 Q DP problem: 46.30/12.74 The TRS P consists of the following rules: 46.30/12.74 46.30/12.74 A(a(b(x1))) -> A(b(b(a(a(x1))))) 46.30/12.74 46.30/12.74 The TRS R consists of the following rules: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 Q is empty. 46.30/12.74 We have to consider all minimal (P,Q,R)-chains. 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (9) QDPOrderProof (EQUIVALENT) 46.30/12.74 We use the reduction pair processor [LPAR04,JAR06]. 46.30/12.74 46.30/12.74 46.30/12.74 The following pairs can be oriented strictly and are deleted. 46.30/12.74 46.30/12.74 A(a(b(x1))) -> A(b(b(a(a(x1))))) 46.30/12.74 The remaining pairs can at least be oriented weakly. 46.30/12.74 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(A(x_1)) = [[-I]] + [[0A, -I, -I]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(a(x_1)) = [[0A], [0A], [0A]] + [[0A, 0A, -I], [0A, 0A, -I], [1A, -I, 0A]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(b(x_1)) = [[0A], [1A], [0A]] + [[-I, -I, 0A], [1A, 1A, 0A], [0A, 0A, -I]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 <<< 46.30/12.74 POL(c(x_1)) = [[1A], [-I], [-I]] + [[-I, -I, 0A], [-I, -I, 0A], [0A, 0A, -I]] * x_1 46.30/12.74 >>> 46.30/12.74 46.30/12.74 46.30/12.74 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (10) 46.30/12.74 Obligation: 46.30/12.74 Q DP problem: 46.30/12.74 P is empty. 46.30/12.74 The TRS R consists of the following rules: 46.30/12.74 46.30/12.74 a(x1) -> x1 46.30/12.74 a(a(b(x1))) -> c(a(b(b(a(a(x1)))))) 46.30/12.74 b(c(x1)) -> x1 46.30/12.74 46.30/12.74 Q is empty. 46.30/12.74 We have to consider all minimal (P,Q,R)-chains. 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (11) PisEmptyProof (EQUIVALENT) 46.30/12.74 The TRS P is empty. Hence, there is no (P,Q,R) chain. 46.30/12.74 ---------------------------------------- 46.30/12.74 46.30/12.74 (12) 46.30/12.74 YES 46.79/12.84 EOF