5.08/2.12 YES 5.08/2.13 proof of /export/starexec/sandbox2/benchmark/theBenchmark.c 5.08/2.13 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.08/2.13 5.08/2.13 5.08/2.13 Termination of the given C Problem could be proven: 5.08/2.13 5.08/2.13 (0) C Problem 5.08/2.13 (1) CToIRSProof [EQUIVALENT, 0 ms] 5.08/2.13 (2) IntTRS 5.08/2.13 (3) TerminationGraphProcessor [SOUND, 29 ms] 5.08/2.13 (4) IntTRS 5.08/2.13 (5) IntTRSCompressionProof [EQUIVALENT, 34 ms] 5.08/2.13 (6) IntTRS 5.08/2.13 (7) TerminationGraphProcessor [EQUIVALENT, 0 ms] 5.08/2.13 (8) IntTRS 5.08/2.13 (9) TerminationGraphProcessor [EQUIVALENT, 4 ms] 5.08/2.13 (10) YES 5.08/2.13 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (0) 5.08/2.13 Obligation: 5.08/2.13 c file /export/starexec/sandbox2/benchmark/theBenchmark.c 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (1) CToIRSProof (EQUIVALENT) 5.08/2.13 Parsed C Integer Program as IRS. 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (2) 5.08/2.13 Obligation: 5.08/2.13 Rules: 5.08/2.13 f1(x) -> f2(x_1) :|: TRUE 5.08/2.13 f3(x1) -> f4(arith) :|: TRUE && arith = 0 - 2 * x1 + 10 5.08/2.13 f2(x2) -> f3(x2) :|: x2 >= 0 5.08/2.13 f4(x3) -> f2(x3) :|: TRUE 5.08/2.13 f2(x4) -> f5(x4) :|: x4 < 0 5.08/2.13 Start term: f1(x) 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (3) TerminationGraphProcessor (SOUND) 5.08/2.13 Constructed the termination graph and obtained one non-trivial SCC. 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (4) 5.08/2.13 Obligation: 5.08/2.13 Rules: 5.08/2.13 f2(x2) -> f3(x2) :|: x2 >= 0 5.08/2.13 f4(x3) -> f2(x3) :|: TRUE 5.08/2.13 f3(x1) -> f4(arith) :|: TRUE && arith = 0 - 2 * x1 + 10 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (5) IntTRSCompressionProof (EQUIVALENT) 5.08/2.13 Compressed rules. 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (6) 5.08/2.13 Obligation: 5.08/2.13 Rules: 5.08/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 > -1 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (7) TerminationGraphProcessor (EQUIVALENT) 5.08/2.13 Constructed the termination graph and obtained one non-trivial SCC. 5.08/2.13 5.08/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 > -1 5.08/2.13 has been transformed into 5.08/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > -1 && x2 > -1. 5.08/2.13 5.08/2.13 5.08/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > -1 && x2 > -1 and 5.08/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > -1 && x2 > -1 5.08/2.13 have been merged into the new rule 5.08/2.13 f4(x7) -> f4(0 - 2 * (0 - 2 * x7 + 10) + 10) :|: x7 = 0 - 2 * x8 + 10 && x7 > -1 && x8 > -1 && (0 - 2 * x7 + 10 = 0 - 2 * x9 + 10 && 0 - 2 * x7 + 10 > -1 && x9 > -1) 5.08/2.13 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (8) 5.08/2.13 Obligation: 5.08/2.13 Rules: 5.08/2.13 f4(x10) -> f4(4 * x10 + -10) :|: TRUE && x10 + 2 * x11 = 10 && x10 >= 0 && x11 >= 0 && -1 * x10 + x12 = 0 && -1 * x10 >= -5 && x12 >= 0 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (9) TerminationGraphProcessor (EQUIVALENT) 5.08/2.13 Constructed the termination graph and obtained no non-trivial SCC(s). 5.08/2.13 5.08/2.13 ---------------------------------------- 5.08/2.13 5.08/2.13 (10) 5.08/2.13 YES 5.08/2.17 EOF