12.69/4.08 YES 12.92/4.16 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 12.92/4.16 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 12.92/4.16 12.92/4.16 12.92/4.16 Termination w.r.t. Q of the given QTRS could be proven: 12.92/4.16 12.92/4.16 (0) QTRS 12.92/4.16 (1) DependencyPairsProof [EQUIVALENT, 0 ms] 12.92/4.16 (2) QDP 12.92/4.16 (3) DependencyGraphProof [EQUIVALENT, 1 ms] 12.92/4.16 (4) QDP 12.92/4.16 (5) QDPOrderProof [EQUIVALENT, 151 ms] 12.92/4.16 (6) QDP 12.92/4.16 (7) PisEmptyProof [EQUIVALENT, 0 ms] 12.92/4.16 (8) YES 12.92/4.16 12.92/4.16 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (0) 12.92/4.16 Obligation: 12.92/4.16 Q restricted rewrite system: 12.92/4.16 The TRS R consists of the following rules: 12.92/4.16 12.92/4.16 a(x1) -> x1 12.92/4.16 a(b(b(x1))) -> b(b(b(a(a(c(x1)))))) 12.92/4.16 c(b(x1)) -> x1 12.92/4.16 12.92/4.16 Q is empty. 12.92/4.16 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (1) DependencyPairsProof (EQUIVALENT) 12.92/4.16 Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (2) 12.92/4.16 Obligation: 12.92/4.16 Q DP problem: 12.92/4.16 The TRS P consists of the following rules: 12.92/4.16 12.92/4.16 A(b(b(x1))) -> A(a(c(x1))) 12.92/4.16 A(b(b(x1))) -> A(c(x1)) 12.92/4.16 A(b(b(x1))) -> C(x1) 12.92/4.16 12.92/4.16 The TRS R consists of the following rules: 12.92/4.16 12.92/4.16 a(x1) -> x1 12.92/4.16 a(b(b(x1))) -> b(b(b(a(a(c(x1)))))) 12.92/4.16 c(b(x1)) -> x1 12.92/4.16 12.92/4.16 Q is empty. 12.92/4.16 We have to consider all minimal (P,Q,R)-chains. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (3) DependencyGraphProof (EQUIVALENT) 12.92/4.16 The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 1 SCC with 1 less node. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (4) 12.92/4.16 Obligation: 12.92/4.16 Q DP problem: 12.92/4.16 The TRS P consists of the following rules: 12.92/4.16 12.92/4.16 A(b(b(x1))) -> A(c(x1)) 12.92/4.16 A(b(b(x1))) -> A(a(c(x1))) 12.92/4.16 12.92/4.16 The TRS R consists of the following rules: 12.92/4.16 12.92/4.16 a(x1) -> x1 12.92/4.16 a(b(b(x1))) -> b(b(b(a(a(c(x1)))))) 12.92/4.16 c(b(x1)) -> x1 12.92/4.16 12.92/4.16 Q is empty. 12.92/4.16 We have to consider all minimal (P,Q,R)-chains. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (5) QDPOrderProof (EQUIVALENT) 12.92/4.16 We use the reduction pair processor [LPAR04,JAR06]. 12.92/4.16 12.92/4.16 12.92/4.16 The following pairs can be oriented strictly and are deleted. 12.92/4.16 12.92/4.16 A(b(b(x1))) -> A(c(x1)) 12.92/4.16 A(b(b(x1))) -> A(a(c(x1))) 12.92/4.16 The remaining pairs can at least be oriented weakly. 12.92/4.16 Used ordering: Matrix interpretation [MATRO] with arctic natural numbers [ARCTIC]: 12.92/4.16 12.92/4.16 <<< 12.92/4.16 POL(A(x_1)) = [[-I]] + [[0A, 0A, 0A]] * x_1 12.92/4.16 >>> 12.92/4.16 12.92/4.16 <<< 12.92/4.16 POL(b(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [-I, 0A, 1A], [0A, -I, 0A]] * x_1 12.92/4.16 >>> 12.92/4.16 12.92/4.16 <<< 12.92/4.16 POL(c(x_1)) = [[-I], [-I], [-I]] + [[0A, -I, -I], [0A, -I, -I], [0A, -I, -I]] * x_1 12.92/4.16 >>> 12.92/4.16 12.92/4.16 <<< 12.92/4.16 POL(a(x_1)) = [[-I], [-I], [-I]] + [[0A, 0A, 0A], [-I, 0A, 0A], [-I, 0A, 0A]] * x_1 12.92/4.16 >>> 12.92/4.16 12.92/4.16 12.92/4.16 The following usable rules [FROCOS05] with respect to the argument filtering of the ordering [JAR06] were oriented: 12.92/4.16 12.92/4.16 c(b(x1)) -> x1 12.92/4.16 a(x1) -> x1 12.92/4.16 a(b(b(x1))) -> b(b(b(a(a(c(x1)))))) 12.92/4.16 12.92/4.16 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (6) 12.92/4.16 Obligation: 12.92/4.16 Q DP problem: 12.92/4.16 P is empty. 12.92/4.16 The TRS R consists of the following rules: 12.92/4.16 12.92/4.16 a(x1) -> x1 12.92/4.16 a(b(b(x1))) -> b(b(b(a(a(c(x1)))))) 12.92/4.16 c(b(x1)) -> x1 12.92/4.16 12.92/4.16 Q is empty. 12.92/4.16 We have to consider all minimal (P,Q,R)-chains. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (7) PisEmptyProof (EQUIVALENT) 12.92/4.16 The TRS P is empty. Hence, there is no (P,Q,R) chain. 12.92/4.16 ---------------------------------------- 12.92/4.16 12.92/4.16 (8) 12.92/4.16 YES 13.17/4.30 EOF