5.48/2.29 YES 5.79/2.31 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 5.79/2.31 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.79/2.31 5.79/2.31 5.79/2.31 Termination w.r.t. Q of the given QTRS could be proven: 5.79/2.31 5.79/2.31 (0) QTRS 5.79/2.31 (1) QTRSRRRProof [EQUIVALENT, 45 ms] 5.79/2.31 (2) QTRS 5.79/2.31 (3) QTRSRRRProof [EQUIVALENT, 2 ms] 5.79/2.31 (4) QTRS 5.79/2.31 (5) RisEmptyProof [EQUIVALENT, 0 ms] 5.79/2.31 (6) YES 5.79/2.31 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (0) 5.79/2.31 Obligation: 5.79/2.31 Q restricted rewrite system: 5.79/2.31 The TRS R consists of the following rules: 5.79/2.31 5.79/2.31 a(a(a(a(x1)))) -> b(b(b(b(b(b(x1)))))) 5.79/2.31 b(b(b(b(x1)))) -> c(c(c(c(c(c(x1)))))) 5.79/2.31 c(c(c(c(x1)))) -> d(d(d(d(d(d(x1)))))) 5.79/2.31 b(b(x1)) -> d(d(d(d(x1)))) 5.79/2.31 c(c(d(d(d(d(x1)))))) -> a(a(x1)) 5.79/2.31 5.79/2.31 Q is empty. 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (1) QTRSRRRProof (EQUIVALENT) 5.79/2.31 Used ordering: 5.79/2.31 Polynomial interpretation [POLO]: 5.79/2.31 5.79/2.31 POL(a(x_1)) = 66 + x_1 5.79/2.31 POL(b(x_1)) = 44 + x_1 5.79/2.31 POL(c(x_1)) = 29 + x_1 5.79/2.31 POL(d(x_1)) = 19 + x_1 5.79/2.31 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.79/2.31 5.79/2.31 b(b(b(b(x1)))) -> c(c(c(c(c(c(x1)))))) 5.79/2.31 c(c(c(c(x1)))) -> d(d(d(d(d(d(x1)))))) 5.79/2.31 b(b(x1)) -> d(d(d(d(x1)))) 5.79/2.31 c(c(d(d(d(d(x1)))))) -> a(a(x1)) 5.79/2.31 5.79/2.31 5.79/2.31 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (2) 5.79/2.31 Obligation: 5.79/2.31 Q restricted rewrite system: 5.79/2.31 The TRS R consists of the following rules: 5.79/2.31 5.79/2.31 a(a(a(a(x1)))) -> b(b(b(b(b(b(x1)))))) 5.79/2.31 5.79/2.31 Q is empty. 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (3) QTRSRRRProof (EQUIVALENT) 5.79/2.31 Used ordering: 5.79/2.31 Polynomial interpretation [POLO]: 5.79/2.31 5.79/2.31 POL(a(x_1)) = 1 + x_1 5.79/2.31 POL(b(x_1)) = x_1 5.79/2.31 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 5.79/2.31 5.79/2.31 a(a(a(a(x1)))) -> b(b(b(b(b(b(x1)))))) 5.79/2.31 5.79/2.31 5.79/2.31 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (4) 5.79/2.31 Obligation: 5.79/2.31 Q restricted rewrite system: 5.79/2.31 R is empty. 5.79/2.31 Q is empty. 5.79/2.31 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (5) RisEmptyProof (EQUIVALENT) 5.79/2.31 The TRS R is empty. Hence, termination is trivially proven. 5.79/2.31 ---------------------------------------- 5.79/2.31 5.79/2.31 (6) 5.79/2.31 YES 5.93/2.39 EOF