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C_Integer 2019-03-28 22.15 pair #432271459
details
property
value
status
complete
benchmark
2Nested_false-termination.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n153.star.cs.uiowa.edu
space
Ton_Chanh_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
8.56945 seconds
cpu usage
18.9593
user time
17.9722
system time
0.987122
max virtual memory
2.1645152E7
max residence set size
1231540.0
stage attributes
key
value
starexec-result
NO
output
18.62/5.70 NO 18.62/5.71 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 18.62/5.71 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 18.62/5.71 18.62/5.71 18.62/5.71 Termination of the given C Problem could be disproven: 18.62/5.71 18.62/5.71 (0) C Problem 18.62/5.71 (1) CToIRSProof [EQUIVALENT, 0 ms] 18.62/5.71 (2) IntTRS 18.62/5.71 (3) IRS2T2 [EQUIVALENT, 0 ms] 18.62/5.71 (4) T2IntSys 18.62/5.71 (5) T2 Underapproximation [COMPLETE, 1894 ms] 18.62/5.71 (6) T2IntSys 18.62/5.71 (7) T2 [COMPLETE, 1292 ms] 18.62/5.71 (8) NO 18.62/5.71 18.62/5.71 18.62/5.71 ---------------------------------------- 18.62/5.71 18.62/5.71 (0) 18.62/5.71 Obligation: 18.62/5.71 c file /export/starexec/sandbox/benchmark/theBenchmark.c 18.62/5.71 ---------------------------------------- 18.62/5.71 18.62/5.71 (1) CToIRSProof (EQUIVALENT) 18.62/5.71 Parsed C Integer Program as IRS. 18.62/5.71 ---------------------------------------- 18.62/5.71 18.62/5.71 (2) 18.62/5.71 Obligation: 18.62/5.71 Rules: 18.62/5.71 f1(x, y) -> f2(x_1, y) :|: TRUE 18.62/5.71 f2(x1, x2) -> f3(x1, x3) :|: TRUE 18.62/5.71 f4(x4, x5) -> f5(arith, x5) :|: TRUE && arith = x4 + x5 18.62/5.71 f5(x14, x15) -> f6(x14, x16) :|: TRUE && x16 = x15 + 1 18.62/5.71 f3(x8, x9) -> f4(x8, x9) :|: x8 >= 0 18.62/5.71 f6(x10, x11) -> f3(x10, x11) :|: TRUE 18.62/5.71 f3(x12, x13) -> f7(x12, x13) :|: x12 < 0 18.62/5.71 Start term: f1(x, y) 18.62/5.71 18.62/5.71 ---------------------------------------- 18.62/5.71 18.62/5.71 (3) IRS2T2 (EQUIVALENT) 18.62/5.71 Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs: 18.62/5.71 18.62/5.71 (f1_2,1) 18.62/5.71 (f2_2,2) 18.62/5.71 (f3_2,3) 18.62/5.71 (f4_2,4) 18.62/5.71 (f5_2,5) 18.62/5.71 (f6_2,6) 18.62/5.71 (f7_2,7) 18.62/5.71 18.62/5.71 ---------------------------------------- 18.62/5.71 18.62/5.71 (4) 18.62/5.71 Obligation: 18.62/5.71 START: 1; 18.62/5.71 18.62/5.71 FROM: 1; 18.62/5.71 oldX0 := x0; 18.62/5.71 oldX1 := x1; 18.62/5.71 oldX2 := nondet(); 18.62/5.71 assume(0 = 0); 18.62/5.71 x0 := oldX2; 18.62/5.71 x1 := oldX1; 18.62/5.71 TO: 2; 18.62/5.71 18.62/5.71 FROM: 2; 18.62/5.71 oldX0 := x0; 18.62/5.71 oldX1 := x1; 18.62/5.71 oldX2 := nondet(); 18.62/5.71 assume(0 = 0); 18.62/5.71 x0 := oldX0; 18.62/5.71 x1 := oldX2; 18.62/5.71 TO: 3; 18.62/5.71 18.62/5.71 FROM: 4; 18.62/5.71 oldX0 := x0; 18.62/5.71 oldX1 := x1; 18.62/5.71 oldX2 := -(-(oldX0 + oldX1)); 18.62/5.71 assume(0 = 0 && oldX2 = oldX0 + oldX1); 18.62/5.71 x0 := -(-(oldX0 + oldX1)); 18.62/5.71 x1 := oldX1; 18.62/5.71 TO: 5; 18.62/5.71 18.62/5.71 FROM: 5; 18.62/5.71 oldX0 := x0; 18.62/5.71 oldX1 := x1; 18.62/5.71 oldX2 := -(-(oldX1 + 1)); 18.62/5.71 assume(0 = 0 && oldX2 = oldX1 + 1); 18.62/5.71 x0 := oldX0; 18.62/5.71 x1 := -(-(oldX1 + 1)); 18.62/5.71 TO: 6; 18.62/5.71 18.62/5.71 FROM: 3; 18.62/5.71 oldX0 := x0; 18.62/5.71 oldX1 := x1; 18.62/5.71 assume(oldX0 >= 0);
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