4.82/2.00 YES 4.82/2.02 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.82/2.02 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.82/2.02 4.82/2.02 4.82/2.02 Termination of the given C Problem could be proven: 4.82/2.02 4.82/2.02 (0) C Problem 4.82/2.02 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.82/2.02 (2) IntTRS 4.82/2.02 (3) TerminationGraphProcessor [SOUND, 55 ms] 4.82/2.02 (4) IntTRS 4.82/2.02 (5) IntTRSCompressionProof [EQUIVALENT, 29 ms] 4.82/2.02 (6) IntTRS 4.82/2.02 (7) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] 4.82/2.02 (8) IntTRS 4.82/2.02 (9) PolynomialOrderProcessor [EQUIVALENT, 13 ms] 4.82/2.02 (10) YES 4.82/2.02 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (0) 4.82/2.02 Obligation: 4.82/2.02 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (1) CToIRSProof (EQUIVALENT) 4.82/2.02 Parsed C Integer Program as IRS. 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (2) 4.82/2.02 Obligation: 4.82/2.02 Rules: 4.82/2.02 f1(k, i, j, tmp) -> f2(x_1, i, j, tmp) :|: TRUE 4.82/2.02 f2(x, x1, x2, x3) -> f3(x, x4, x2, x3) :|: TRUE 4.82/2.02 f3(x5, x6, x7, x8) -> f4(x5, x6, x9, x8) :|: TRUE 4.82/2.02 f5(x10, x11, x12, x13) -> f6(x10, x11, x12, x11) :|: TRUE 4.82/2.02 f6(x14, x15, x16, x17) -> f7(x14, x16, x16, x17) :|: TRUE 4.82/2.02 f7(x18, x19, x20, x21) -> f8(x18, x19, arith, x21) :|: TRUE && arith = x21 + 1 4.82/2.02 f8(x38, x39, x40, x41) -> f9(x42, x39, x40, x41) :|: TRUE && x42 = x38 - 1 4.82/2.02 f4(x26, x27, x28, x29) -> f5(x26, x27, x28, x29) :|: x27 <= 100 && x28 <= x26 4.82/2.02 f9(x30, x31, x32, x33) -> f4(x30, x31, x32, x33) :|: TRUE 4.82/2.02 f4(x34, x35, x36, x37) -> f10(x34, x35, x36, x37) :|: x35 > 100 4.82/2.02 f4(x43, x44, x45, x46) -> f10(x43, x44, x45, x46) :|: x45 > x43 4.82/2.02 Start term: f1(k, i, j, tmp) 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (3) TerminationGraphProcessor (SOUND) 4.82/2.02 Constructed the termination graph and obtained one non-trivial SCC. 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (4) 4.82/2.02 Obligation: 4.82/2.02 Rules: 4.82/2.02 f4(x26, x27, x28, x29) -> f5(x26, x27, x28, x29) :|: x27 <= 100 && x28 <= x26 4.82/2.02 f9(x30, x31, x32, x33) -> f4(x30, x31, x32, x33) :|: TRUE 4.82/2.02 f8(x38, x39, x40, x41) -> f9(x42, x39, x40, x41) :|: TRUE && x42 = x38 - 1 4.82/2.02 f7(x18, x19, x20, x21) -> f8(x18, x19, arith, x21) :|: TRUE && arith = x21 + 1 4.82/2.02 f6(x14, x15, x16, x17) -> f7(x14, x16, x16, x17) :|: TRUE 4.82/2.02 f5(x10, x11, x12, x13) -> f6(x10, x11, x12, x11) :|: TRUE 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (5) IntTRSCompressionProof (EQUIVALENT) 4.82/2.02 Compressed rules. 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (6) 4.82/2.02 Obligation: 4.82/2.02 Rules: 4.82/2.02 f6(x14:0, x15:0, x16:0, x17:0) -> f6(x14:0 - 1, x16:0, x17:0 + 1, x16:0) :|: x16:0 < 101 && x17:0 + 1 <= x14:0 - 1 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (7) IntTRSUnneededArgumentFilterProof (EQUIVALENT) 4.82/2.02 Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: 4.82/2.02 4.82/2.02 f6(x1, x2, x3, x4) -> f6(x1, x3, x4) 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (8) 4.82/2.02 Obligation: 4.82/2.02 Rules: 4.82/2.02 f6(x14:0, x16:0, x17:0) -> f6(x14:0 - 1, x17:0 + 1, x16:0) :|: x16:0 < 101 && x17:0 + 1 <= x14:0 - 1 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (9) PolynomialOrderProcessor (EQUIVALENT) 4.82/2.02 Found the following polynomial interpretation: 4.82/2.02 [f6(x, x1, x2)] = 98 + x - x1 - x2 4.82/2.02 4.82/2.02 The following rules are decreasing: 4.82/2.02 f6(x14:0, x16:0, x17:0) -> f6(x14:0 - 1, x17:0 + 1, x16:0) :|: x16:0 < 101 && x17:0 + 1 <= x14:0 - 1 4.82/2.02 The following rules are bounded: 4.82/2.02 f6(x14:0, x16:0, x17:0) -> f6(x14:0 - 1, x17:0 + 1, x16:0) :|: x16:0 < 101 && x17:0 + 1 <= x14:0 - 1 4.82/2.02 4.82/2.02 ---------------------------------------- 4.82/2.02 4.82/2.02 (10) 4.82/2.02 YES 5.04/2.05 EOF