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.r534-smll-171683819300082.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 ltsminxred
Input is SieveSingleMsgMbox-PT-d2m64, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r534-smll-171683819300082
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 19:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Apr 12 19:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 19:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 12 19:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:31 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 1717249591265

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d2m64
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:46:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 13:46:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:46:34] [INFO ] Load time of PNML (sax parser for PT used): 511 ms
[2024-06-01 13:46:34] [INFO ] Transformed 2398 places.
[2024-06-01 13:46:34] [INFO ] Transformed 1954 transitions.
[2024-06-01 13:46:34] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 772 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 157 ms. Remains 389 /2398 variables (removed 2009) and now considering 1126/1954 (removed 828) transitions.
// Phase 1: matrix 1126 rows 389 cols
[2024-06-01 13:46:34] [INFO ] Computed 5 invariants in 73 ms
[2024-06-01 13:46:36] [INFO ] Implicit Places using invariants in 1284 ms returned []
[2024-06-01 13:46:36] [INFO ] Invariant cache hit.
[2024-06-01 13:46:36] [INFO ] State equation strengthened by 846 read => feed constraints.
[2024-06-01 13:46:41] [INFO ] Implicit Places using invariants and state equation in 5296 ms returned []
Implicit Place search using SMT with State Equation took 6650 ms to find 0 implicit places.
Running 1125 sub problems to find dead transitions.
[2024-06-01 13:46:41] [INFO ] Invariant cache hit.
[2024-06-01 13:46:41] [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 30071 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
[2024-06-01 13:47:45] [INFO ] Deduced a trap composed of 142 places in 389 ms of which 58 ms to minimize.
[2024-06-01 13:47:45] [INFO ] Deduced a trap composed of 143 places in 241 ms of which 5 ms to minimize.
[2024-06-01 13:47:46] [INFO ] Deduced a trap composed of 142 places in 246 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 30039 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 66588ms problems are : Problem set: 0 solved, 1125 unsolved
Search for dead transitions found 0 dead transitions in 66642ms
Starting structural reductions in LIVENESS mode, iteration 1 : 389/2398 places, 1126/1954 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 73511 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 (8852 resets) in 5176 ms. (7 steps per ms) remains 352/377 properties
BEST_FIRST walk for 401 steps (16 resets) in 19 ms. (20 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (18 resets) in 16 ms. (23 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (16 resets) in 20 ms. (19 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (15 resets) in 39 ms. (10 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (12 resets) in 23 ms. (16 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (15 resets) in 35 ms. (11 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (19 resets) in 31 ms. (12 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (18 resets) in 36 ms. (10 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (15 resets) in 23 ms. (16 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (18 resets) in 19 ms. (20 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (15 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (15 resets) in 22 ms. (17 steps per ms) remains 352/352 properties
BEST_FIRST walk for 401 steps (15 resets) in 22 ms. (17 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (12 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (26 resets) in 30 ms. (12 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (17 resets) in 25 ms. (15 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (11 resets) in 27 ms. (14 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (13 resets) in 17 ms. (22 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (16 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (19 resets) in 19 ms. (20 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (22 resets) in 19 ms. (20 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (17 resets) in 18 ms. (21 steps per ms) remains 352/352 properties
BEST_FIRST walk for 401 steps (21 resets) in 18 ms. (21 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (17 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (17 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (20 resets) in 17 ms. (22 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (20 resets) in 16 ms. (23 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (15 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (14 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (24 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (18 resets) in 37 ms. (10 steps per ms) remains 352/352 properties
BEST_FIRST walk for 401 steps (29 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (13 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
BEST_FIRST walk for 401 steps (13 resets) in 12 ms. (30 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (14 resets) in 12 ms. (31 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (16 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (21 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (14 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (15 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (17 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 401 steps (16 resets) in 12 ms. (30 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (18 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (15 resets) in 12 ms. (31 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (17 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 402 steps (24 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (17 resets) in 16 ms. (23 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (23 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (20 resets) in 14 ms. (26 steps per ms) remains 352/352 properties
BEST_FIRST walk for 403 steps (18 resets) in 13 ms. (28 steps per ms) remains 352/352 properties
BEST_FIRST walk for 404 steps (17 resets) in 15 ms. (25 steps per ms) remains 352/352 properties
Interrupted probabilistic random walk after 89337 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :151 out of 352
Probabilistic random walk after 89337 steps, saw 41946 distinct states, run finished after 3012 ms. (steps per millisecond=29 ) properties seen :151
[2024-06-01 13:47:53] [INFO ] Invariant cache hit.
[2024-06-01 13:47:53] [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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 315/1515 variables, and 2 constraints, problems are : Problem set: 0 solved, 201 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/3 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/1515 variables, and 5 constraints, problems are : Problem set: 0 solved, 201 unsolved in 5012 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: 0/0 constraints]
After SMT, in 11005ms 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 235 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 235 ms. Remains : 338/389 places, 899/1126 transitions.
RANDOM walk for 4000000 steps (897920 resets) in 90093 ms. (44 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1916 resets) in 304 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1920 resets) in 358 ms. (111 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1864 resets) in 323 ms. (123 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1842 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1848 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1872 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1826 resets) in 414 ms. (96 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1907 resets) in 448 ms. (89 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1887 resets) in 446 ms. (89 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1857 resets) in 440 ms. (90 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1885 resets) in 380 ms. (104 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1839 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1833 resets) in 294 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1872 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1921 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1911 resets) in 310 ms. (128 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1883 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1887 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1870 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1923 resets) in 302 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1863 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1902 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1935 resets) in 302 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1877 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1901 resets) in 313 ms. (127 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1905 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1907 resets) in 303 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1864 resets) in 302 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1851 resets) in 302 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1899 resets) in 309 ms. (129 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1963 resets) in 427 ms. (93 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1882 resets) in 421 ms. (94 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1918 resets) in 420 ms. (95 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1860 resets) in 414 ms. (96 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1901 resets) in 337 ms. (118 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1895 resets) in 301 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1829 resets) in 371 ms. (107 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1956 resets) in 305 ms. (130 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1834 resets) in 296 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (1897 resets) in 303 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (1936 resets) in 306 ms. (130 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (1840 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1879 resets) in 300 ms. (132 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1887 resets) in 299 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1896 resets) in 298 ms. (133 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1931 resets) in 303 ms. (131 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1902 resets) in 390 ms. (102 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1897 resets) in 297 ms. (134 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1932 resets) in 307 ms. (129 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (1891 resets) in 295 ms. (135 steps per ms) remains 201/201 properties
Interrupted probabilistic random walk after 3709516 steps, run timeout after 81001 ms. (steps per millisecond=45 ) properties seen :31 out of 201
Probabilistic random walk after 3709516 steps, saw 1714532 distinct states, run finished after 81002 ms. (steps per millisecond=45 ) properties seen :31
// Phase 1: matrix 899 rows 338 cols
[2024-06-01 13:49:52] [INFO ] Computed 5 invariants in 23 ms
[2024-06-01 13:49:52] [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
[2024-06-01 13:50:00] [INFO ] Deduced a trap composed of 189 places in 289 ms of which 6 ms to minimize.
[2024-06-01 13:50:00] [INFO ] Deduced a trap composed of 189 places in 293 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 45014 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
[2024-06-01 13:50:59] [INFO ] Deduced a trap composed of 34 places in 38 ms of which 1 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 86607ms, After SMT, problems are : Problem set: 0 solved, 170 unsolved
Fused 170 Parikh solutions to 145 different solutions.
Parikh walk visited 0 properties in 13868 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 95 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 95 ms. Remains : 294/338 places, 586/899 transitions.
Total runtime 299375 ms.
ITS solved all properties within timeout

BK_STOP 1717249893142

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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-d2m64"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d2m64, 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 r534-smll-171683819300082"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m64.tgz
mv SieveSingleMsgMbox-PT-d2m64 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 ;