3.88/1.84 YES 3.88/1.85 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 3.88/1.85 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.88/1.85 3.88/1.85 3.88/1.85 Termination of the given C Problem could be proven: 3.88/1.85 3.88/1.85 (0) C Problem 3.88/1.85 (1) CToIRSProof [EQUIVALENT, 0 ms] 3.88/1.85 (2) IntTRS 3.88/1.85 (3) TerminationGraphProcessor [SOUND, 23 ms] 3.88/1.85 (4) IntTRS 3.88/1.85 (5) IntTRSCompressionProof [EQUIVALENT, 13 ms] 3.88/1.85 (6) IntTRS 3.88/1.85 (7) PolynomialOrderProcessor [EQUIVALENT, 0 ms] 3.88/1.85 (8) YES 3.88/1.85 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (0) 3.88/1.85 Obligation: 3.88/1.85 c file /export/starexec/sandbox/benchmark/theBenchmark.c 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (1) CToIRSProof (EQUIVALENT) 3.88/1.85 Parsed C Integer Program as IRS. 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (2) 3.88/1.85 Obligation: 3.88/1.85 Rules: 3.88/1.85 f1(x) -> f2(0) :|: TRUE 3.88/1.85 f3(x1) -> f4(arith) :|: TRUE && arith = x1 - 1 3.88/1.85 f2(x2) -> f3(x2) :|: x2 >= 0 3.88/1.85 f4(x3) -> f2(x3) :|: TRUE 3.88/1.85 f2(x4) -> f5(x4) :|: x4 < 0 3.88/1.85 Start term: f1(x) 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (3) TerminationGraphProcessor (SOUND) 3.88/1.85 Constructed the termination graph and obtained one non-trivial SCC. 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (4) 3.88/1.85 Obligation: 3.88/1.85 Rules: 3.88/1.85 f2(x2) -> f3(x2) :|: x2 >= 0 3.88/1.85 f4(x3) -> f2(x3) :|: TRUE 3.88/1.85 f3(x1) -> f4(arith) :|: TRUE && arith = x1 - 1 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (5) IntTRSCompressionProof (EQUIVALENT) 3.88/1.85 Compressed rules. 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (6) 3.88/1.85 Obligation: 3.88/1.85 Rules: 3.88/1.85 f4(x3:0) -> f4(x3:0 - 1) :|: x3:0 > -1 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (7) PolynomialOrderProcessor (EQUIVALENT) 3.88/1.85 Found the following polynomial interpretation: 3.88/1.85 [f4(x)] = x 3.88/1.85 3.88/1.85 The following rules are decreasing: 3.88/1.85 f4(x3:0) -> f4(x3:0 - 1) :|: x3:0 > -1 3.88/1.85 The following rules are bounded: 3.88/1.85 f4(x3:0) -> f4(x3:0 - 1) :|: x3:0 > -1 3.88/1.85 3.88/1.85 ---------------------------------------- 3.88/1.85 3.88/1.85 (8) 3.88/1.85 YES 3.88/1.86 EOF