Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r386-smll-171683818600087.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is SieveSingleMsgMbox-PT-d2m96, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r386-smll-171683818600087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 16:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 19:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 149K Apr 12 19:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Apr 12 19:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Apr 12 19:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.1M May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1716893531801

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d2m96
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 10:52:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-28 10:52:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 10:52:14] [INFO ] Load time of PNML (sax parser for PT used): 622 ms
[2024-05-28 10:52:14] [INFO ] Transformed 2398 places.
[2024-05-28 10:52:14] [INFO ] Transformed 1954 transitions.
[2024-05-28 10:52:14] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 886 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2398/2398 places, 1954/1954 transitions.
Reduce places removed 2009 places and 0 transitions.
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 828 transitions.
Iterating post reduction 0 with 2837 rules applied. Total rules applied 2837 place count 389 transition count 1126
Applied a total of 2837 rules in 149 ms. Remains 389 /2398 variables (removed 2009) and now considering 1126/1954 (removed 828) transitions.
// Phase 1: matrix 1126 rows 389 cols
[2024-05-28 10:52:15] [INFO ] Computed 5 invariants in 47 ms
[2024-05-28 10:52:16] [INFO ] Implicit Places using invariants in 1052 ms returned []
[2024-05-28 10:52:16] [INFO ] Invariant cache hit.
[2024-05-28 10:52:17] [INFO ] State equation strengthened by 846 read => feed constraints.
[2024-05-28 10:52:21] [INFO ] Implicit Places using invariants and state equation in 5639 ms returned []
Implicit Place search using SMT with State Equation took 6894 ms to find 0 implicit places.
Running 1125 sub problems to find dead transitions.
[2024-05-28 10:52:22] [INFO ] Invariant cache hit.
[2024-05-28 10:52:22] [INFO ] State equation strengthened by 846 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/388 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/388 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/388 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 3 (OVERLAPS) 1/389 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 389/1515 variables, and 5 constraints, problems are : Problem set: 0 solved, 1125 unsolved in 30077 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 1125/1125 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1125 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/388 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/388 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/388 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 3 (OVERLAPS) 1/389 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
[2024-05-28 10:53:24] [INFO ] Deduced a trap composed of 142 places in 298 ms of which 36 ms to minimize.
[2024-05-28 10:53:24] [INFO ] Deduced a trap composed of 143 places in 178 ms of which 4 ms to minimize.
[2024-05-28 10:53:24] [INFO ] Deduced a trap composed of 142 places in 278 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/389 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 389/1515 variables, and 8 constraints, problems are : Problem set: 0 solved, 1125 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 0/1125 constraints, Known Traps: 3/3 constraints]
After SMT, in 67089ms problems are : Problem set: 0 solved, 1125 unsolved
Search for dead transitions found 0 dead transitions in 67141ms
Starting structural reductions in LIVENESS mode, iteration 1 : 389/2398 places, 1126/1954 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 74247 ms. Remains : 389/2398 places, 1126/1954 transitions.
Discarding 748 transitions out of 1126. Remains 378
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8822 resets) in 5530 ms. (7 steps per ms) remains 353/377 properties
BEST_FIRST walk for 402 steps (23 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (14 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (15 resets) in 13 ms. (28 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (12 resets) in 41 ms. (9 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 38 ms. (10 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (16 resets) in 24 ms. (16 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (19 resets) in 26 ms. (14 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 31 ms. (12 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 44 ms. (8 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (14 resets) in 32 ms. (12 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (18 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (15 resets) in 30 ms. (13 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (13 resets) in 33 ms. (11 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 31 ms. (12 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (12 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (18 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (25 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (13 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (14 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (25 resets) in 13 ms. (28 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (17 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (22 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (22 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (25 resets) in 12 ms. (30 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (13 resets) in 26 ms. (14 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (23 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (26 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 400 steps (20 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (17 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (26 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (15 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (14 resets) in 9 ms. (40 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 22 ms. (17 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (16 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (21 resets) in 13 ms. (28 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (23 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (23 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (18 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (20 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (25 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (16 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (22 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
Interrupted probabilistic random walk after 88980 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :152 out of 353
Probabilistic random walk after 88980 steps, saw 41814 distinct states, run finished after 3015 ms. (steps per millisecond=29 ) properties seen :152
[2024-05-28 10:53:34] [INFO ] Invariant cache hit.
[2024-05-28 10:53:34] [INFO ] State equation strengthened by 846 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 1 (OVERLAPS) 103/315 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 3 (OVERLAPS) 40/355 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 201 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 355/1515 variables, and 5 constraints, problems are : Problem set: 0 solved, 201 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 201/201 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 201 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 1 (OVERLAPS) 103/315 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 3 (OVERLAPS) 40/355 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 201 unsolved
[2024-05-28 10:53:44] [INFO ] Deduced a trap composed of 206 places in 200 ms of which 7 ms to minimize.
[2024-05-28 10:53:44] [INFO ] Deduced a trap composed of 209 places in 175 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/1515 variables, and 7 constraints, problems are : Problem set: 0 solved, 201 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 0/201 constraints, Known Traps: 2/2 constraints]
After SMT, in 11184ms problems are : Problem set: 0 solved, 201 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 212 out of 389 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 389/389 places, 1126/1126 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 359 transition count 958
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 359 transition count 958
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 0 with 33 rules applied. Total rules applied 93 place count 359 transition count 925
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 107 place count 345 transition count 911
Iterating global reduction 1 with 14 rules applied. Total rules applied 121 place count 345 transition count 911
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 122 place count 345 transition count 910
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 127 place count 340 transition count 903
Iterating global reduction 2 with 5 rules applied. Total rules applied 132 place count 340 transition count 903
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 134 place count 340 transition count 901
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 135 place count 339 transition count 900
Iterating global reduction 3 with 1 rules applied. Total rules applied 136 place count 339 transition count 900
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 137 place count 338 transition count 899
Iterating global reduction 3 with 1 rules applied. Total rules applied 138 place count 338 transition count 899
Applied a total of 138 rules in 266 ms. Remains 338 /389 variables (removed 51) and now considering 899/1126 (removed 227) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 266 ms. Remains : 338/389 places, 899/1126 transitions.
RANDOM walk for 4000000 steps (897116 resets) in 89921 ms. (44 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1881 resets) in 319 ms. (125 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1929 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1886 resets) in 299 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1903 resets) in 303 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1859 resets) in 290 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1890 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1860 resets) in 377 ms. (105 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1891 resets) in 389 ms. (102 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1912 resets) in 395 ms. (101 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1899 resets) in 394 ms. (101 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1859 resets) in 312 ms. (127 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1941 resets) in 312 ms. (127 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1891 resets) in 293 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1886 resets) in 292 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1860 resets) in 294 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1929 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1894 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1959 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1853 resets) in 289 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1849 resets) in 289 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1917 resets) in 303 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1913 resets) in 291 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1890 resets) in 291 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1844 resets) in 289 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1928 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1944 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1901 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1885 resets) in 313 ms. (127 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1869 resets) in 288 ms. (138 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1887 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1891 resets) in 294 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1863 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1847 resets) in 290 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1868 resets) in 291 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1899 resets) in 293 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1906 resets) in 369 ms. (108 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1913 resets) in 304 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1858 resets) in 304 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1873 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1871 resets) in 290 ms. (137 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1918 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1891 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1930 resets) in 293 ms. (136 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1910 resets) in 308 ms. (129 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1912 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1929 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1853 resets) in 377 ms. (105 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1888 resets) in 448 ms. (89 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1823 resets) in 460 ms. (86 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1889 resets) in 460 ms. (86 steps per ms) remains 201/201 properties
Interrupted probabilistic random walk after 3630516 steps, run timeout after 81001 ms. (steps per millisecond=44 ) properties seen :31 out of 201
Probabilistic random walk after 3630516 steps, saw 1677955 distinct states, run finished after 81002 ms. (steps per millisecond=44 ) properties seen :31
// Phase 1: matrix 899 rows 338 cols
[2024-05-28 10:55:34] [INFO ] Computed 5 invariants in 14 ms
[2024-05-28 10:55:34] [INFO ] State equation strengthened by 644 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/180 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (OVERLAPS) 79/259 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/259 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (OVERLAPS) 39/298 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-28 10:55:41] [INFO ] Deduced a trap composed of 189 places in 323 ms of which 5 ms to minimize.
[2024-05-28 10:55:41] [INFO ] Deduced a trap composed of 189 places in 289 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/298 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 621/919 variables, 298/305 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/919 variables, 366/671 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/919 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 318/1237 variables, 40/711 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1237 variables, 278/989 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1237/1237 variables, and 989 constraints, problems are : Problem set: 0 solved, 170 unsolved in 45017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 338/338 constraints, ReadFeed: 644/644 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/180 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (OVERLAPS) 79/259 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/259 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (OVERLAPS) 39/298 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/298 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 621/919 variables, 298/305 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/919 variables, 366/671 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/919 variables, 64/735 constraints. Problems are: Problem set: 0 solved, 170 unsolved
[2024-05-28 10:56:36] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/919 variables, 1/736 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/919 variables, 0/736 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Problem qltransition_227 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 89077ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Fused 170 Parikh solutions to 142 different solutions.
Parikh walk visited 0 properties in 18765 ms.
Support contains 180 out of 338 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 338/338 places, 899/899 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 321 transition count 642
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 321 transition count 642
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 51 place count 304 transition count 625
Iterating global reduction 0 with 17 rules applied. Total rules applied 68 place count 304 transition count 625
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 74 place count 304 transition count 619
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 80 place count 298 transition count 607
Iterating global reduction 1 with 6 rules applied. Total rules applied 86 place count 298 transition count 607
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 90 place count 298 transition count 603
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 91 place count 297 transition count 602
Iterating global reduction 2 with 1 rules applied. Total rules applied 92 place count 297 transition count 602
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 93 place count 296 transition count 601
Iterating global reduction 2 with 1 rules applied. Total rules applied 94 place count 296 transition count 601
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 95 place count 295 transition count 600
Iterating global reduction 2 with 1 rules applied. Total rules applied 96 place count 295 transition count 600
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 109 place count 295 transition count 587
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 110 place count 294 transition count 586
Iterating global reduction 3 with 1 rules applied. Total rules applied 111 place count 294 transition count 586
Applied a total of 111 rules in 93 ms. Remains 294 /338 variables (removed 44) and now considering 586/899 (removed 313) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 294/338 places, 586/899 transitions.
Total runtime 308045 ms.
ITS solved all properties within timeout

BK_STOP 1716893842141

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d2m96"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SieveSingleMsgMbox-PT-d2m96, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r386-smll-171683818600087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m96.tgz
mv SieveSingleMsgMbox-PT-d2m96 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;