30.99/8.83 YES 32.13/9.13 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 32.13/9.13 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 32.13/9.13 32.13/9.13 32.13/9.13 Termination w.r.t. Q of the given QTRS could be proven: 32.13/9.13 32.13/9.13 (0) QTRS 32.13/9.13 (1) DependencyPairsProof [EQUIVALENT, 3 ms] 32.13/9.13 (2) QDP 32.13/9.13 (3) DependencyGraphProof [EQUIVALENT, 0 ms] 32.13/9.13 (4) QDP 32.13/9.13 (5) QDPOrderProof [EQUIVALENT, 118 ms] 32.13/9.13 (6) QDP 32.13/9.13 (7) QDPOrderProof [EQUIVALENT, 72 ms] 32.13/9.13 (8) QDP 32.13/9.13 (9) PisEmptyProof [EQUIVALENT, 0 ms] 32.13/9.13 (10) YES 32.13/9.13 32.13/9.13 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (0) 32.13/9.13 Obligation: 32.13/9.13 Q restricted rewrite system: 32.13/9.13 The TRS R consists of the following rules: 32.13/9.13 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 32.13/9.13 Q is empty. 32.13/9.13 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (1) DependencyPairsProof (EQUIVALENT) 32.13/9.13 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (2) 32.13/9.13 Obligation: 32.13/9.13 Q DP problem: 32.13/9.13 The TRS P consists of the following rules: 32.13/9.13 32.13/9.13 A(b(c(x1))) -> C(b(a(a(c(b(x1)))))) 32.13/9.13 A(b(c(x1))) -> B(a(a(c(b(x1))))) 32.13/9.13 A(b(c(x1))) -> A(a(c(b(x1)))) 32.13/9.13 A(b(c(x1))) -> A(c(b(x1))) 32.13/9.13 A(b(c(x1))) -> C(b(x1)) 32.13/9.13 A(b(c(x1))) -> B(x1) 32.13/9.13 32.13/9.13 The TRS R consists of the following rules: 32.13/9.13 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 32.13/9.13 Q is empty. 32.13/9.13 We have to consider all minimal (P,Q,R)-chains. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (3) DependencyGraphProof (EQUIVALENT) 32.13/9.13 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 4 less nodes. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (4) 32.13/9.13 Obligation: 32.13/9.13 Q DP problem: 32.13/9.13 The TRS P consists of the following rules: 32.13/9.13 32.13/9.13 A(b(c(x1))) -> A(c(b(x1))) 32.13/9.13 A(b(c(x1))) -> A(a(c(b(x1)))) 32.13/9.13 32.13/9.13 The TRS R consists of the following rules: 32.13/9.13 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 32.13/9.13 Q is empty. 32.13/9.13 We have to consider all minimal (P,Q,R)-chains. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (5) QDPOrderProof (EQUIVALENT) 32.13/9.13 We use the reduction pair processor [LPAR04,JAR06]. 32.13/9.13 32.13/9.13 32.13/9.13 The following pairs can be oriented strictly and are deleted. 32.13/9.13 32.13/9.13 A(b(c(x1))) -> A(c(b(x1))) 32.13/9.13 The remaining pairs can at least be oriented weakly. 32.13/9.13 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(A(x_1)) = [[0A]] + [[-I, 0A, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(b(x_1)) = [[0A], [0A], [-I]] + [[0A, 0A, 0A], [0A, 0A, 0A], [-I, -I, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(c(x_1)) = [[1A], [0A], [-I]] + [[1A, 1A, 1A], [0A, 0A, 0A], [-I, -I, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(a(x_1)) = [[0A], [0A], [0A]] + [[0A, 1A, -I], [-I, 0A, 0A], [0A, 0A, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 32.13/9.13 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 32.13/9.13 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 32.13/9.13 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (6) 32.13/9.13 Obligation: 32.13/9.13 Q DP problem: 32.13/9.13 The TRS P consists of the following rules: 32.13/9.13 32.13/9.13 A(b(c(x1))) -> A(a(c(b(x1)))) 32.13/9.13 32.13/9.13 The TRS R consists of the following rules: 32.13/9.13 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 32.13/9.13 Q is empty. 32.13/9.13 We have to consider all minimal (P,Q,R)-chains. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (7) QDPOrderProof (EQUIVALENT) 32.13/9.13 We use the reduction pair processor [LPAR04,JAR06]. 32.13/9.13 32.13/9.13 32.13/9.13 The following pairs can be oriented strictly and are deleted. 32.13/9.13 32.13/9.13 A(b(c(x1))) -> A(a(c(b(x1)))) 32.13/9.13 The remaining pairs can at least be oriented weakly. 32.13/9.13 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(A(x_1)) = [[-I]] + [[0A, 0A, -I]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(b(x_1)) = [[-I], [-I], [-I]] + [[0A, 1A, -I], [-I, 0A, -I], [0A, -I, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(c(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, -I], [0A, 1A, -I], [0A, 0A, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 <<< 32.13/9.13 POL(a(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, -I], [0A, 0A, -I], [0A, -I, 0A]] * x_1 32.13/9.13 >>> 32.13/9.13 32.13/9.13 32.13/9.13 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 32.13/9.13 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 32.13/9.13 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (8) 32.13/9.13 Obligation: 32.13/9.13 Q DP problem: 32.13/9.13 P is empty. 32.13/9.13 The TRS R consists of the following rules: 32.13/9.13 32.13/9.13 a(b(c(x1))) -> c(b(a(a(c(b(x1)))))) 32.13/9.13 a(x1) -> x1 32.13/9.13 b(x1) -> x1 32.13/9.13 c(x1) -> x1 32.13/9.13 32.13/9.13 Q is empty. 32.13/9.13 We have to consider all minimal (P,Q,R)-chains. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (9) PisEmptyProof (EQUIVALENT) 32.13/9.13 The TRS P is empty. Hence, there is no (P,Q,R) chain. 32.13/9.13 ---------------------------------------- 32.13/9.13 32.13/9.13 (10) 32.13/9.13 YES 32.35/9.21 EOF