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C_Integer pair #487095282
details
property
value
status
complete
benchmark
ChenFlurMukhopadhyay-SAS2012-Ex2.12_false-termination.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n144.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
3.38607 seconds
cpu usage
10.4786
user time
10.0136
system time
0.465067
max virtual memory
1.9487532E7
max residence set size
764896.0
stage attributes
key
value
starexec-result
NO
output
NO proof of /export/starexec/sandbox/benchmark/theBenchmark.c # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty Termination of the given C Problem could be disproven: (0) C Problem (1) CToIRSProof [EQUIVALENT, 0 ms] (2) IntTRS (3) IRS2T2 [EQUIVALENT, 0 ms] (4) T2IntSys (5) T2 [COMPLETE, 1532 ms] (6) NO ---------------------------------------- (0) Obligation: c file /export/starexec/sandbox/benchmark/theBenchmark.c ---------------------------------------- (1) CToIRSProof (EQUIVALENT) Parsed C Integer Program as IRS. ---------------------------------------- (2) Obligation: Rules: f1(x, y, oldx) -> f2(x_1, y, oldx) :|: TRUE f2(x1, x2, x3) -> f3(x1, x4, x3) :|: TRUE f4(x5, x6, x7) -> f5(x5, x6, x5) :|: TRUE f5(x8, x9, x10) -> f6(arith, x9, x10) :|: TRUE && arith = x10 - x9 f6(x23, x24, x25) -> f7(x23, x26, x25) :|: TRUE && x26 = x25 + x24 f3(x14, x15, x16) -> f4(x14, x15, x16) :|: x14 < 5 f7(x17, x18, x19) -> f3(x17, x18, x19) :|: TRUE f3(x20, x21, x22) -> f8(x20, x21, x22) :|: x20 >= 5 Start term: f1(x, y, oldx) ---------------------------------------- (3) IRS2T2 (EQUIVALENT) Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs: (f1_3,1) (f2_3,2) (f3_3,3) (f4_3,4) (f5_3,5) (f6_3,6) (f7_3,7) (f8_3,8) ---------------------------------------- (4) Obligation: START: 1; FROM: 1; oldX0 := x0; oldX1 := x1; oldX2 := x2; oldX3 := nondet(); assume(0 = 0); x0 := oldX3; x1 := oldX1; x2 := oldX2; TO: 2; FROM: 2; oldX0 := x0; oldX1 := x1; oldX2 := x2; oldX3 := nondet(); assume(0 = 0); x0 := oldX0; x1 := oldX3; x2 := oldX2; TO: 3; FROM: 4; oldX0 := x0; oldX1 := x1; oldX2 := x2; assume(0 = 0); x0 := oldX0; x1 := oldX1; x2 := oldX0; TO: 5; FROM: 5; oldX0 := x0; oldX1 := x1; oldX2 := x2; oldX3 := -(oldX1 - oldX2); assume(0 = 0 && oldX3 = oldX2 - oldX1); x0 := -(oldX1 - oldX2); x1 := oldX1;
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