5.19/2.12 YES 5.19/2.13 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 5.19/2.13 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.19/2.13 5.19/2.13 5.19/2.13 Termination of the given C Problem could be proven: 5.19/2.13 5.19/2.13 (0) C Problem 5.19/2.13 (1) CToIRSProof [EQUIVALENT, 0 ms] 5.19/2.13 (2) IntTRS 5.19/2.13 (3) TerminationGraphProcessor [SOUND, 57 ms] 5.19/2.13 (4) IntTRS 5.19/2.13 (5) IntTRSCompressionProof [EQUIVALENT, 26 ms] 5.19/2.13 (6) IntTRS 5.19/2.13 (7) PolynomialOrderProcessor [EQUIVALENT, 12 ms] 5.19/2.13 (8) AND 5.19/2.13 (9) IntTRS 5.19/2.13 (10) TerminationGraphProcessor [EQUIVALENT, 0 ms] 5.19/2.13 (11) YES 5.19/2.13 (12) IntTRS 5.19/2.13 (13) TerminationGraphProcessor [EQUIVALENT, 3 ms] 5.19/2.13 (14) YES 5.19/2.13 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (0) 5.19/2.13 Obligation: 5.19/2.13 c file /export/starexec/sandbox/benchmark/theBenchmark.c 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (1) CToIRSProof (EQUIVALENT) 5.19/2.13 Parsed C Integer Program as IRS. 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (2) 5.19/2.13 Obligation: 5.19/2.13 Rules: 5.19/2.13 f1(a, b) -> f2(x_1, b) :|: TRUE 5.19/2.13 f2(x, x1) -> f3(x, x2) :|: TRUE 5.19/2.13 f4(x3, x4) -> f5(arith, x4) :|: TRUE && arith = x3 + x4 5.19/2.13 f6(x23, x24) -> f9(x23, x25) :|: TRUE && x25 = 0 - x24 - 1 5.19/2.13 f7(x26, x27) -> f10(x26, x28) :|: TRUE && x28 = 0 - x27 5.19/2.13 f5(x9, x10) -> f6(x9, x10) :|: x10 >= 0 5.19/2.13 f5(x11, x12) -> f7(x11, x12) :|: x12 < 0 5.19/2.13 f9(x13, x14) -> f8(x13, x14) :|: TRUE 5.19/2.13 f10(x15, x16) -> f8(x15, x16) :|: TRUE 5.19/2.13 f3(x17, x18) -> f4(x17, x18) :|: x17 >= 0 5.19/2.13 f8(x19, x20) -> f3(x19, x20) :|: TRUE 5.19/2.13 f3(x21, x22) -> f11(x21, x22) :|: x21 < 0 5.19/2.13 Start term: f1(a, b) 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (3) TerminationGraphProcessor (SOUND) 5.19/2.13 Constructed the termination graph and obtained one non-trivial SCC. 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (4) 5.19/2.13 Obligation: 5.19/2.13 Rules: 5.19/2.13 f3(x17, x18) -> f4(x17, x18) :|: x17 >= 0 5.19/2.13 f8(x19, x20) -> f3(x19, x20) :|: TRUE 5.19/2.13 f9(x13, x14) -> f8(x13, x14) :|: TRUE 5.19/2.13 f6(x23, x24) -> f9(x23, x25) :|: TRUE && x25 = 0 - x24 - 1 5.19/2.13 f5(x9, x10) -> f6(x9, x10) :|: x10 >= 0 5.19/2.13 f4(x3, x4) -> f5(arith, x4) :|: TRUE && arith = x3 + x4 5.19/2.13 f10(x15, x16) -> f8(x15, x16) :|: TRUE 5.19/2.13 f7(x26, x27) -> f10(x26, x28) :|: TRUE && x28 = 0 - x27 5.19/2.13 f5(x11, x12) -> f7(x11, x12) :|: x12 < 0 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (5) IntTRSCompressionProof (EQUIVALENT) 5.19/2.13 Compressed rules. 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (6) 5.19/2.13 Obligation: 5.19/2.13 Rules: 5.19/2.13 f5(x9:0, x10:0) -> f5(x9:0 + (0 - x10:0 - 1), 0 - x10:0 - 1) :|: x10:0 > -1 && x9:0 > -1 5.19/2.13 f5(x11:0, x12:0) -> f5(x11:0 + (0 - x12:0), 0 - x12:0) :|: x12:0 < 0 && x11:0 > -1 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (7) PolynomialOrderProcessor (EQUIVALENT) 5.19/2.13 Found the following polynomial interpretation: 5.19/2.13 [f5(x, x1)] = -1 + 2*x - x1 5.19/2.13 5.19/2.13 The following rules are decreasing: 5.19/2.13 f5(x9:0, x10:0) -> f5(x9:0 + (0 - x10:0 - 1), 0 - x10:0 - 1) :|: x10:0 > -1 && x9:0 > -1 5.19/2.13 The following rules are bounded: 5.19/2.13 f5(x11:0, x12:0) -> f5(x11:0 + (0 - x12:0), 0 - x12:0) :|: x12:0 < 0 && x11:0 > -1 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (8) 5.19/2.13 Complex Obligation (AND) 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (9) 5.19/2.13 Obligation: 5.19/2.13 Rules: 5.19/2.13 f5(x11:0, x12:0) -> f5(x11:0 + (0 - x12:0), 0 - x12:0) :|: x12:0 < 0 && x11:0 > -1 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (10) TerminationGraphProcessor (EQUIVALENT) 5.19/2.13 Constructed the termination graph and obtained no non-trivial SCC(s). 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (11) 5.19/2.13 YES 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (12) 5.19/2.13 Obligation: 5.19/2.13 Rules: 5.19/2.13 f5(x9:0, x10:0) -> f5(x9:0 + (0 - x10:0 - 1), 0 - x10:0 - 1) :|: x10:0 > -1 && x9:0 > -1 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (13) TerminationGraphProcessor (EQUIVALENT) 5.19/2.13 Constructed the termination graph and obtained no non-trivial SCC(s). 5.19/2.13 5.19/2.13 ---------------------------------------- 5.19/2.13 5.19/2.13 (14) 5.19/2.13 YES 5.48/2.17 EOF