4.02/1.84 YES 4.31/1.94 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.31/1.94 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.31/1.94 4.31/1.94 4.31/1.94 Termination of the given C Problem could be proven: 4.31/1.94 4.31/1.94 (0) C Problem 4.31/1.94 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.31/1.94 (2) IntTRS 4.31/1.94 (3) TerminationGraphProcessor [SOUND, 16 ms] 4.31/1.94 (4) IntTRS 4.31/1.94 (5) IntTRSCompressionProof [EQUIVALENT, 12 ms] 4.31/1.94 (6) IntTRS 4.31/1.94 (7) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] 4.31/1.94 (8) IntTRS 4.31/1.94 (9) PolynomialOrderProcessor [EQUIVALENT, 0 ms] 4.31/1.94 (10) YES 4.31/1.94 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (0) 4.31/1.94 Obligation: 4.31/1.94 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (1) CToIRSProof (EQUIVALENT) 4.31/1.94 Parsed C Integer Program as IRS. 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (2) 4.31/1.94 Obligation: 4.31/1.94 Rules: 4.31/1.94 f1(i, c) -> f2(0, c) :|: TRUE 4.31/1.94 f2(x, x1) -> f3(x, 0) :|: TRUE 4.31/1.94 f4(x2, x3) -> f5(arith, x3) :|: TRUE && arith = x2 + 1 4.31/1.94 f5(x12, x13) -> f6(x12, x14) :|: TRUE && x14 = x13 + 1 4.31/1.94 f3(x6, x7) -> f4(x6, x7) :|: x6 <= 10 4.31/1.94 f6(x8, x9) -> f3(x8, x9) :|: TRUE 4.31/1.94 f3(x10, x11) -> f7(x10, x11) :|: x10 > 10 4.31/1.94 Start term: f1(i, c) 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (3) TerminationGraphProcessor (SOUND) 4.31/1.94 Constructed the termination graph and obtained one non-trivial SCC. 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (4) 4.31/1.94 Obligation: 4.31/1.94 Rules: 4.31/1.94 f3(x6, x7) -> f4(x6, x7) :|: x6 <= 10 4.31/1.94 f6(x8, x9) -> f3(x8, x9) :|: TRUE 4.31/1.94 f5(x12, x13) -> f6(x12, x14) :|: TRUE && x14 = x13 + 1 4.31/1.94 f4(x2, x3) -> f5(arith, x3) :|: TRUE && arith = x2 + 1 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (5) IntTRSCompressionProof (EQUIVALENT) 4.31/1.94 Compressed rules. 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (6) 4.31/1.94 Obligation: 4.31/1.94 Rules: 4.31/1.94 f5(x12:0, x13:0) -> f5(x12:0 + 1, x13:0 + 1) :|: x12:0 < 11 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (7) IntTRSUnneededArgumentFilterProof (EQUIVALENT) 4.31/1.94 Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: 4.31/1.94 4.31/1.94 f5(x1, x2) -> f5(x1) 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (8) 4.31/1.94 Obligation: 4.31/1.94 Rules: 4.31/1.94 f5(x12:0) -> f5(x12:0 + 1) :|: x12:0 < 11 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (9) PolynomialOrderProcessor (EQUIVALENT) 4.31/1.94 Found the following polynomial interpretation: 4.31/1.94 [f5(x)] = 10 - x 4.31/1.94 4.31/1.94 The following rules are decreasing: 4.31/1.94 f5(x12:0) -> f5(x12:0 + 1) :|: x12:0 < 11 4.31/1.94 The following rules are bounded: 4.31/1.94 f5(x12:0) -> f5(x12:0 + 1) :|: x12:0 < 11 4.31/1.94 4.31/1.94 ---------------------------------------- 4.31/1.94 4.31/1.94 (10) 4.31/1.94 YES 4.31/1.96 EOF