4.70/2.02 YES 4.70/2.03 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.70/2.03 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.70/2.03 4.70/2.03 4.70/2.03 Termination of the given C Problem could be proven: 4.70/2.03 4.70/2.03 (0) C Problem 4.70/2.03 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.70/2.03 (2) IntTRS 4.70/2.03 (3) TerminationGraphProcessor [SOUND, 55 ms] 4.70/2.03 (4) IntTRS 4.70/2.03 (5) IntTRSCompressionProof [EQUIVALENT, 0 ms] 4.70/2.03 (6) IntTRS 4.70/2.03 (7) PolynomialOrderProcessor [EQUIVALENT, 12 ms] 4.70/2.03 (8) YES 4.70/2.03 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (0) 4.70/2.03 Obligation: 4.70/2.03 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (1) CToIRSProof (EQUIVALENT) 4.70/2.03 Parsed C Integer Program as IRS. 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (2) 4.70/2.03 Obligation: 4.70/2.03 Rules: 4.70/2.03 f1(x, y) -> f2(x_1, y) :|: TRUE 4.70/2.03 f2(x1, x2) -> f3(x1, x3) :|: TRUE 4.70/2.03 f4(x4, x5) -> f5(arith, x5) :|: TRUE && arith = x5 - x4 4.70/2.03 f5(x14, x15) -> f6(x14, x16) :|: TRUE && x16 = x15 + 1 4.70/2.03 f3(x8, x9) -> f4(x8, x9) :|: x8 - x9 > 0 4.70/2.03 f6(x10, x11) -> f3(x10, x11) :|: TRUE 4.70/2.03 f3(x12, x13) -> f7(x12, x13) :|: x12 - x13 <= 0 4.70/2.03 Start term: f1(x, y) 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (3) TerminationGraphProcessor (SOUND) 4.70/2.03 Constructed the termination graph and obtained one non-trivial SCC. 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (4) 4.70/2.03 Obligation: 4.70/2.03 Rules: 4.70/2.03 f3(x8, x9) -> f4(x8, x9) :|: x8 - x9 > 0 4.70/2.03 f6(x10, x11) -> f3(x10, x11) :|: TRUE 4.70/2.03 f5(x14, x15) -> f6(x14, x16) :|: TRUE && x16 = x15 + 1 4.70/2.03 f4(x4, x5) -> f5(arith, x5) :|: TRUE && arith = x5 - x4 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (5) IntTRSCompressionProof (EQUIVALENT) 4.70/2.03 Compressed rules. 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (6) 4.70/2.03 Obligation: 4.70/2.03 Rules: 4.70/2.03 f5(x14:0, x15:0) -> f5(x15:0 + 1 - x14:0, x15:0 + 1) :|: x14:0 - (x15:0 + 1) > 0 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (7) PolynomialOrderProcessor (EQUIVALENT) 4.70/2.03 Found the following polynomial interpretation: 4.70/2.03 [f5(x, x1)] = -4 + 2*x - 2*x1 + x1^2 4.70/2.03 4.70/2.03 The following rules are decreasing: 4.70/2.03 f5(x14:0, x15:0) -> f5(x15:0 + 1 - x14:0, x15:0 + 1) :|: x14:0 - (x15:0 + 1) > 0 4.70/2.03 The following rules are bounded: 4.70/2.03 f5(x14:0, x15:0) -> f5(x15:0 + 1 - x14:0, x15:0 + 1) :|: x14:0 - (x15:0 + 1) > 0 4.70/2.03 4.70/2.03 ---------------------------------------- 4.70/2.03 4.70/2.03 (8) 4.70/2.03 YES 4.70/2.07 EOF