5.44/2.19 YES 5.44/2.23 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 5.44/2.23 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.44/2.23 5.44/2.23 5.44/2.23 Termination w.r.t. Q of the given QTRS could be proven: 5.44/2.23 5.44/2.23 (0) QTRS 5.44/2.23 (1) QTRSRRRProof [EQUIVALENT, 52 ms] 5.44/2.23 (2) QTRS 5.44/2.23 (3) QTRSRRRProof [EQUIVALENT, 2 ms] 5.44/2.23 (4) QTRS 5.44/2.23 (5) QTRSRRRProof [EQUIVALENT, 2 ms] 5.44/2.23 (6) QTRS 5.44/2.23 (7) RisEmptyProof [EQUIVALENT, 0 ms] 5.44/2.23 (8) YES 5.44/2.23 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (0) 5.44/2.23 Obligation: 5.44/2.23 Q restricted rewrite system: 5.44/2.23 The TRS R consists of the following rules: 5.44/2.23 5.44/2.23 c(c(c(a(x1)))) -> d(d(x1)) 5.44/2.23 d(b(x1)) -> c(c(x1)) 5.44/2.23 c(x1) -> a(a(a(a(x1)))) 5.44/2.23 d(x1) -> b(b(b(b(x1)))) 5.44/2.23 b(d(x1)) -> c(c(x1)) 5.44/2.23 a(c(c(c(x1)))) -> d(d(x1)) 5.44/2.23 5.44/2.23 Q is empty. 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (1) QTRSRRRProof (EQUIVALENT) 5.44/2.23 Used ordering: 5.44/2.23 Polynomial interpretation [POLO]: 5.44/2.23 5.44/2.23 POL(a(x_1)) = 3 + x_1 5.44/2.23 POL(b(x_1)) = 5 + x_1 5.44/2.23 POL(c(x_1)) = 13 + x_1 5.44/2.23 POL(d(x_1)) = 21 + x_1 5.44/2.23 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.44/2.23 5.44/2.23 c(x1) -> a(a(a(a(x1)))) 5.44/2.23 d(x1) -> b(b(b(b(x1)))) 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (2) 5.44/2.23 Obligation: 5.44/2.23 Q restricted rewrite system: 5.44/2.23 The TRS R consists of the following rules: 5.44/2.23 5.44/2.23 c(c(c(a(x1)))) -> d(d(x1)) 5.44/2.23 d(b(x1)) -> c(c(x1)) 5.44/2.23 b(d(x1)) -> c(c(x1)) 5.44/2.23 a(c(c(c(x1)))) -> d(d(x1)) 5.44/2.23 5.44/2.23 Q is empty. 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (3) QTRSRRRProof (EQUIVALENT) 5.44/2.23 Used ordering: 5.44/2.23 Polynomial interpretation [POLO]: 5.44/2.23 5.44/2.23 POL(a(x_1)) = x_1 5.44/2.23 POL(b(x_1)) = 1 + x_1 5.44/2.23 POL(c(x_1)) = x_1 5.44/2.23 POL(d(x_1)) = x_1 5.44/2.23 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.44/2.23 5.44/2.23 d(b(x1)) -> c(c(x1)) 5.44/2.23 b(d(x1)) -> c(c(x1)) 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (4) 5.44/2.23 Obligation: 5.44/2.23 Q restricted rewrite system: 5.44/2.23 The TRS R consists of the following rules: 5.44/2.23 5.44/2.23 c(c(c(a(x1)))) -> d(d(x1)) 5.44/2.23 a(c(c(c(x1)))) -> d(d(x1)) 5.44/2.23 5.44/2.23 Q is empty. 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (5) QTRSRRRProof (EQUIVALENT) 5.44/2.23 Used ordering: 5.44/2.23 Polynomial interpretation [POLO]: 5.44/2.23 5.44/2.23 POL(a(x_1)) = 1 + x_1 5.44/2.23 POL(c(x_1)) = x_1 5.44/2.23 POL(d(x_1)) = x_1 5.44/2.23 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.44/2.23 5.44/2.23 c(c(c(a(x1)))) -> d(d(x1)) 5.44/2.23 a(c(c(c(x1)))) -> d(d(x1)) 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (6) 5.44/2.23 Obligation: 5.44/2.23 Q restricted rewrite system: 5.44/2.23 R is empty. 5.44/2.23 Q is empty. 5.44/2.23 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (7) RisEmptyProof (EQUIVALENT) 5.44/2.23 The TRS R is empty. Hence, termination is trivially proven. 5.44/2.23 ---------------------------------------- 5.44/2.23 5.44/2.23 (8) 5.44/2.23 YES 5.82/2.30 EOF