9.60/3.28 YES 9.60/3.30 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 9.60/3.30 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.60/3.30 9.60/3.30 9.60/3.30 Termination of the given C Problem could be proven: 9.60/3.30 9.60/3.30 (0) C Problem 9.60/3.30 (1) CToIRSProof [EQUIVALENT, 0 ms] 9.60/3.30 (2) IntTRS 9.60/3.30 (3) IRS2T2 [EQUIVALENT, 0 ms] 9.60/3.30 (4) T2IntSys 9.60/3.30 (5) T2 [EQUIVALENT, 1326 ms] 9.60/3.30 (6) YES 9.60/3.30 9.60/3.30 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (0) 9.60/3.30 Obligation: 9.60/3.30 c file /export/starexec/sandbox/benchmark/theBenchmark.c 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (1) CToIRSProof (EQUIVALENT) 9.60/3.30 Parsed C Integer Program as IRS. 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (2) 9.60/3.30 Obligation: 9.60/3.30 Rules: 9.60/3.30 f1(x, y) -> f2(x_1, y) :|: TRUE 9.60/3.30 f2(x1, x2) -> f3(x1, x3) :|: TRUE 9.60/3.30 f7(x4, x5) -> f8(arith, x5) :|: TRUE && arith = x4 - 2 * x5 + 1 9.60/3.30 f4(x6, x7) -> f7(x6, x7) :|: x6 >= 0 9.60/3.30 f8(x8, x9) -> f4(x8, x9) :|: TRUE 9.60/3.30 f4(x10, x11) -> f9(x10, x11) :|: x10 < 0 9.60/3.30 f3(x12, x13) -> f4(x12, x13) :|: 2 * x13 >= 1 9.60/3.30 f3(x14, x15) -> f5(x14, x15) :|: 2 * x15 < 1 9.60/3.30 f9(x16, x17) -> f6(x16, x17) :|: TRUE 9.60/3.30 f5(x18, x19) -> f6(x18, x19) :|: TRUE 9.60/3.30 Start term: f1(x, y) 9.60/3.30 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (3) IRS2T2 (EQUIVALENT) 9.60/3.30 Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs: 9.60/3.30 9.60/3.30 (f1_2,1) 9.60/3.30 (f2_2,2) 9.60/3.30 (f3_2,3) 9.60/3.30 (f7_2,4) 9.60/3.30 (f8_2,5) 9.60/3.30 (f4_2,6) 9.60/3.30 (f9_2,7) 9.60/3.30 (f5_2,8) 9.60/3.30 (f6_2,9) 9.60/3.30 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (4) 9.60/3.30 Obligation: 9.60/3.30 START: 1; 9.60/3.30 9.60/3.30 FROM: 1; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 oldX2 := nondet(); 9.60/3.30 assume(0 = 0); 9.60/3.30 x0 := oldX2; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 2; 9.60/3.30 9.60/3.30 FROM: 2; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 oldX2 := nondet(); 9.60/3.30 assume(0 = 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX2; 9.60/3.30 TO: 3; 9.60/3.30 9.60/3.30 FROM: 4; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 oldX2 := nondet(); 9.60/3.30 assume(0 = 0 && oldX2 = oldX0 - 2 * oldX1 + 1); 9.60/3.30 x0 := oldX2; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 5; 9.60/3.30 9.60/3.30 FROM: 6; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(oldX0 >= 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 4; 9.60/3.30 9.60/3.30 FROM: 5; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(0 = 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 6; 9.60/3.30 9.60/3.30 FROM: 6; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(oldX0 < 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 7; 9.60/3.30 9.60/3.30 FROM: 3; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(2 * oldX1 >= 1); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 6; 9.60/3.30 9.60/3.30 FROM: 3; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(2 * oldX1 < 1); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 8; 9.60/3.30 9.60/3.30 FROM: 7; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(0 = 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 9; 9.60/3.30 9.60/3.30 FROM: 8; 9.60/3.30 oldX0 := x0; 9.60/3.30 oldX1 := x1; 9.60/3.30 assume(0 = 0); 9.60/3.30 x0 := oldX0; 9.60/3.30 x1 := oldX1; 9.60/3.30 TO: 9; 9.60/3.30 9.60/3.30 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (5) T2 (EQUIVALENT) 9.60/3.30 Used the following cutpoint-specific lexicographic rank functions: 9.60/3.30 * For cutpoint 7, used the following rank functions/bounds (in descending priority order): 9.60/3.30 - RF x0, bound 0 9.60/3.30 9.60/3.30 ---------------------------------------- 9.60/3.30 9.60/3.30 (6) 9.60/3.30 YES 9.95/3.37 EOF