4.22/1.88 YES 4.22/1.89 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.22/1.89 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.22/1.89 4.22/1.89 4.22/1.89 Termination of the given C Problem could be proven: 4.22/1.89 4.22/1.89 (0) C Problem 4.22/1.89 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.22/1.89 (2) IntTRS 4.22/1.89 (3) TerminationGraphProcessor [SOUND, 43 ms] 4.22/1.89 (4) IntTRS 4.22/1.89 (5) IntTRSCompressionProof [EQUIVALENT, 0 ms] 4.22/1.89 (6) IntTRS 4.22/1.89 (7) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] 4.22/1.89 (8) IntTRS 4.22/1.89 (9) PolynomialOrderProcessor [EQUIVALENT, 0 ms] 4.22/1.89 (10) YES 4.22/1.89 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (0) 4.22/1.89 Obligation: 4.22/1.89 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (1) CToIRSProof (EQUIVALENT) 4.22/1.89 Parsed C Integer Program as IRS. 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (2) 4.22/1.89 Obligation: 4.22/1.89 Rules: 4.22/1.89 f1(x, y, tmp) -> f2(x_1, y, tmp) :|: TRUE 4.22/1.89 f2(x1, x2, x3) -> f3(x1, x4, x3) :|: TRUE 4.22/1.89 f3(x5, x6, x7) -> f4(x5, x6, x8) :|: TRUE 4.22/1.89 f5(x9, x10, x11) -> f6(x9, x10, x9) :|: TRUE 4.22/1.89 f6(x12, x13, x14) -> f7(x13, x13, x14) :|: TRUE 4.22/1.89 f7(x15, x16, x17) -> f8(x15, x17, x17) :|: TRUE 4.22/1.89 f4(x18, x19, x20) -> f5(x18, x19, x20) :|: x18 > x19 4.22/1.89 f8(x21, x22, x23) -> f4(x21, x22, x23) :|: TRUE 4.22/1.89 f4(x24, x25, x26) -> f9(x24, x25, x26) :|: x24 <= x25 4.22/1.89 Start term: f1(x, y, tmp) 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (3) TerminationGraphProcessor (SOUND) 4.22/1.89 Constructed the termination graph and obtained one non-trivial SCC. 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (4) 4.22/1.89 Obligation: 4.22/1.89 Rules: 4.22/1.89 f4(x18, x19, x20) -> f5(x18, x19, x20) :|: x18 > x19 4.22/1.89 f8(x21, x22, x23) -> f4(x21, x22, x23) :|: TRUE 4.22/1.89 f7(x15, x16, x17) -> f8(x15, x17, x17) :|: TRUE 4.22/1.89 f6(x12, x13, x14) -> f7(x13, x13, x14) :|: TRUE 4.22/1.89 f5(x9, x10, x11) -> f6(x9, x10, x9) :|: TRUE 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (5) IntTRSCompressionProof (EQUIVALENT) 4.22/1.89 Compressed rules. 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (6) 4.22/1.89 Obligation: 4.22/1.89 Rules: 4.22/1.89 f6(x12:0, x13:0, x14:0) -> f6(x13:0, x14:0, x13:0) :|: x14:0 < x13:0 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (7) IntTRSUnneededArgumentFilterProof (EQUIVALENT) 4.22/1.89 Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: 4.22/1.89 4.22/1.89 f6(x1, x2, x3) -> f6(x2, x3) 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (8) 4.22/1.89 Obligation: 4.22/1.89 Rules: 4.22/1.89 f6(x13:0, x14:0) -> f6(x14:0, x13:0) :|: x14:0 < x13:0 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (9) PolynomialOrderProcessor (EQUIVALENT) 4.22/1.89 Found the following polynomial interpretation: 4.22/1.89 [f6(x, x1)] = -1 + x - x1 4.22/1.89 4.22/1.89 The following rules are decreasing: 4.22/1.89 f6(x13:0, x14:0) -> f6(x14:0, x13:0) :|: x14:0 < x13:0 4.22/1.89 The following rules are bounded: 4.22/1.89 f6(x13:0, x14:0) -> f6(x14:0, x13:0) :|: x14:0 < x13:0 4.22/1.89 4.22/1.89 ---------------------------------------- 4.22/1.89 4.22/1.89 (10) 4.22/1.89 YES 4.53/1.91 EOF