4.85/2.13 YES 4.85/2.13 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.85/2.13 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.85/2.13 4.85/2.13 4.85/2.13 Termination of the given C Problem could be proven: 4.85/2.13 4.85/2.13 (0) C Problem 4.85/2.13 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.85/2.13 (2) IntTRS 4.85/2.13 (3) TerminationGraphProcessor [SOUND, 35 ms] 4.85/2.13 (4) IntTRS 4.85/2.13 (5) IntTRSCompressionProof [EQUIVALENT, 0 ms] 4.85/2.13 (6) IntTRS 4.85/2.13 (7) TerminationGraphProcessor [EQUIVALENT, 0 ms] 4.85/2.13 (8) IntTRS 4.85/2.13 (9) TerminationGraphProcessor [EQUIVALENT, 0 ms] 4.85/2.13 (10) YES 4.85/2.13 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (0) 4.85/2.13 Obligation: 4.85/2.13 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (1) CToIRSProof (EQUIVALENT) 4.85/2.13 Parsed C Integer Program as IRS. 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (2) 4.85/2.13 Obligation: 4.85/2.13 Rules: 4.85/2.13 f1(x) -> f2(x_1) :|: TRUE 4.85/2.13 f3(x1) -> f4(arith) :|: TRUE && arith = 0 - 2 * x1 + 10 4.85/2.13 f2(x2) -> f3(x2) :|: x2 > 0 4.85/2.13 f4(x3) -> f2(x3) :|: TRUE 4.85/2.13 f2(x4) -> f5(x4) :|: x4 <= 0 4.85/2.13 Start term: f1(x) 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (3) TerminationGraphProcessor (SOUND) 4.85/2.13 Constructed the termination graph and obtained one non-trivial SCC. 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (4) 4.85/2.13 Obligation: 4.85/2.13 Rules: 4.85/2.13 f2(x2) -> f3(x2) :|: x2 > 0 4.85/2.13 f4(x3) -> f2(x3) :|: TRUE 4.85/2.13 f3(x1) -> f4(arith) :|: TRUE && arith = 0 - 2 * x1 + 10 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (5) IntTRSCompressionProof (EQUIVALENT) 4.85/2.13 Compressed rules. 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (6) 4.85/2.13 Obligation: 4.85/2.13 Rules: 4.85/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 > 0 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (7) TerminationGraphProcessor (EQUIVALENT) 4.85/2.13 Constructed the termination graph and obtained one non-trivial SCC. 4.85/2.13 4.85/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 > 0 4.85/2.13 has been transformed into 4.85/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > 0 && x2 > 0. 4.85/2.13 4.85/2.13 4.85/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > 0 && x2 > 0 and 4.85/2.13 f4(x3:0) -> f4(0 - 2 * x3:0 + 10) :|: x3:0 = 0 - 2 * x2 + 10 && x3:0 > 0 && x2 > 0 4.85/2.13 have been merged into the new rule 4.85/2.13 f4(x7) -> f4(0 - 2 * (0 - 2 * x7 + 10) + 10) :|: x7 = 0 - 2 * x8 + 10 && x7 > 0 && x8 > 0 && (0 - 2 * x7 + 10 = 0 - 2 * x9 + 10 && 0 - 2 * x7 + 10 > 0 && x9 > 0) 4.85/2.13 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (8) 4.85/2.13 Obligation: 4.85/2.13 Rules: 4.85/2.13 f4(x10) -> f4(4 * x10 + -10) :|: TRUE && x10 + 2 * x11 = 10 && x10 >= 1 && x11 >= 1 && -1 * x10 + x12 = 0 && -1 * x10 >= -4 && x12 >= 1 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (9) TerminationGraphProcessor (EQUIVALENT) 4.85/2.13 Constructed the termination graph and obtained no non-trivial SCC(s). 4.85/2.13 4.85/2.13 ---------------------------------------- 4.85/2.13 4.85/2.13 (10) 4.85/2.13 YES 4.85/2.17 EOF