3.35/1.62 YES 3.35/1.63 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.35/1.63 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.35/1.63 3.35/1.63 3.35/1.63 Quasi decreasingness of the given CTRS could be proven: 3.35/1.63 3.35/1.63 (0) CTRS 3.35/1.63 (1) CTRSToQTRSProof [SOUND, 0 ms] 3.35/1.63 (2) QTRS 3.35/1.63 (3) QTRSRRRProof [EQUIVALENT, 39 ms] 3.35/1.63 (4) QTRS 3.35/1.63 (5) QTRSRRRProof [EQUIVALENT, 0 ms] 3.35/1.63 (6) QTRS 3.35/1.63 (7) RisEmptyProof [EQUIVALENT, 0 ms] 3.35/1.63 (8) YES 3.35/1.63 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (0) 3.35/1.63 Obligation: 3.35/1.63 Conditional term rewrite system: 3.35/1.63 The TRS R consists of the following rules: 3.35/1.63 3.35/1.63 a -> c 3.35/1.63 a -> d 3.35/1.63 3.35/1.63 The conditional TRS C consists of the following conditional rules: 3.35/1.63 3.35/1.63 f(x) -> x <= x -> c 3.35/1.63 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (1) CTRSToQTRSProof (SOUND) 3.35/1.63 The conditional rules have been transormed into unconditional rules according to [CTRS,AAECCNOC]. 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (2) 3.35/1.63 Obligation: 3.35/1.63 Q restricted rewrite system: 3.35/1.63 The TRS R consists of the following rules: 3.35/1.63 3.35/1.63 f(x) -> U1(x, x) 3.35/1.63 U1(c, x) -> x 3.35/1.63 a -> c 3.35/1.63 a -> d 3.35/1.63 3.35/1.63 Q is empty. 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (3) QTRSRRRProof (EQUIVALENT) 3.35/1.63 Used ordering: 3.35/1.63 Quasi precedence: 3.35/1.63 f_1 > U1_2 3.35/1.63 [a, d] > c > U1_2 3.35/1.63 3.35/1.63 3.35/1.63 Status: 3.35/1.63 f_1: multiset status 3.35/1.63 U1_2: multiset status 3.35/1.63 c: multiset status 3.35/1.63 a: multiset status 3.35/1.63 d: multiset status 3.35/1.63 3.35/1.63 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.35/1.63 3.35/1.63 f(x) -> U1(x, x) 3.35/1.63 U1(c, x) -> x 3.35/1.63 a -> c 3.35/1.63 3.35/1.63 3.35/1.63 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (4) 3.35/1.63 Obligation: 3.35/1.63 Q restricted rewrite system: 3.35/1.63 The TRS R consists of the following rules: 3.35/1.63 3.35/1.63 a -> d 3.35/1.63 3.35/1.63 Q is empty. 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (5) QTRSRRRProof (EQUIVALENT) 3.35/1.63 Used ordering: 3.35/1.63 Polynomial interpretation [POLO]: 3.35/1.63 3.35/1.63 POL(a) = 1 3.35/1.63 POL(d) = 0 3.35/1.63 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.35/1.63 3.35/1.63 a -> d 3.35/1.63 3.35/1.63 3.35/1.63 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (6) 3.35/1.63 Obligation: 3.35/1.63 Q restricted rewrite system: 3.35/1.63 R is empty. 3.35/1.63 Q is empty. 3.35/1.63 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (7) RisEmptyProof (EQUIVALENT) 3.35/1.63 The TRS R is empty. Hence, termination is trivially proven. 3.35/1.63 ---------------------------------------- 3.35/1.63 3.35/1.63 (8) 3.35/1.63 YES 3.53/1.67 EOF