3.38/1.53 YES 3.38/1.54 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.38/1.54 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.38/1.54 3.38/1.54 3.38/1.54 Quasi decreasingness of the given CTRS could be proven: 3.38/1.54 3.38/1.54 (0) CTRS 3.38/1.54 (1) CTRSToQTRSProof [SOUND, 0 ms] 3.38/1.54 (2) QTRS 3.38/1.54 (3) QTRSRRRProof [EQUIVALENT, 0 ms] 3.38/1.54 (4) QTRS 3.38/1.54 (5) RisEmptyProof [EQUIVALENT, 0 ms] 3.38/1.54 (6) YES 3.38/1.54 3.38/1.54 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (0) 3.38/1.54 Obligation: 3.38/1.54 Conditional term rewrite system: 3.38/1.54 The TRS R consists of the following rules: 3.38/1.54 3.38/1.54 h(c) -> d 3.38/1.54 3.38/1.54 The conditional TRS C consists of the following conditional rules: 3.38/1.54 3.38/1.54 f(x, y) -> z <= x -> z 3.38/1.54 g(x) -> b <= h(x) -> d 3.38/1.54 3.38/1.54 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (1) CTRSToQTRSProof (SOUND) 3.38/1.54 The conditional rules have been transormed into unconditional rules according to [CTRS,AAECCNOC]. 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (2) 3.38/1.54 Obligation: 3.38/1.54 Q restricted rewrite system: 3.38/1.54 The TRS R consists of the following rules: 3.38/1.54 3.38/1.54 f(x, y) -> U1(x) 3.38/1.54 U1(z) -> z 3.38/1.54 g(x) -> U2(h(x)) 3.38/1.54 U2(d) -> b 3.38/1.54 h(c) -> d 3.38/1.54 3.38/1.54 Q is empty. 3.38/1.54 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (3) QTRSRRRProof (EQUIVALENT) 3.38/1.54 Used ordering: 3.38/1.54 Knuth-Bendix order [KBO] with precedence:c > g_1 > U2_1 > b > h_1 > d > f_2 > U1_1 3.38/1.54 3.38/1.54 and weight map: 3.38/1.54 3.38/1.54 d=2 3.38/1.54 b=3 3.38/1.54 c=1 3.38/1.54 U1_1=1 3.38/1.54 g_1=2 3.38/1.54 U2_1=1 3.38/1.54 h_1=1 3.38/1.54 f_2=0 3.38/1.54 3.38/1.54 The variable weight is 1With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.38/1.54 3.38/1.54 f(x, y) -> U1(x) 3.38/1.54 U1(z) -> z 3.38/1.54 g(x) -> U2(h(x)) 3.38/1.54 U2(d) -> b 3.38/1.54 h(c) -> d 3.38/1.54 3.38/1.54 3.38/1.54 3.38/1.54 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (4) 3.38/1.54 Obligation: 3.38/1.54 Q restricted rewrite system: 3.38/1.54 R is empty. 3.38/1.54 Q is empty. 3.38/1.54 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (5) RisEmptyProof (EQUIVALENT) 3.38/1.54 The TRS R is empty. Hence, termination is trivially proven. 3.38/1.54 ---------------------------------------- 3.38/1.54 3.38/1.54 (6) 3.38/1.54 YES 3.47/1.63 EOF