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.r100-tall-171624200400177.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 CloudReconfiguration-PT-402, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-tall-171624200400177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 6.2K 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 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 11 19:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 171K Apr 11 19:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 19:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Apr 11 19:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 912K May 18 16:42 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 1716364565159

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-402
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 07:56:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-22 07:56:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 07:56:06] [INFO ] Load time of PNML (sax parser for PT used): 181 ms
[2024-05-22 07:56:06] [INFO ] Transformed 3554 places.
[2024-05-22 07:56:06] [INFO ] Transformed 4263 transitions.
[2024-05-22 07:56:06] [INFO ] Found NUPN structural information;
[2024-05-22 07:56:06] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 299 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 4080 edges and 3554 vertex of which 1260 / 3554 are part of one of the 88 SCC in 37 ms
Free SCC test removed 1172 places
Ensure Unique test removed 1348 transitions
Reduce isomorphic transitions removed 1348 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1605 transitions
Trivial Post-agglo rules discarded 1605 transitions
Performed 1605 trivial Post agglomeration. Transition count delta: 1605
Iterating post reduction 0 with 1605 rules applied. Total rules applied 1606 place count 2382 transition count 1310
Reduce places removed 1605 places and 0 transitions.
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 44 transitions
Trivial Post-agglo rules discarded 44 transitions
Performed 44 trivial Post agglomeration. Transition count delta: 44
Iterating post reduction 1 with 1740 rules applied. Total rules applied 3346 place count 777 transition count 1175
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 3394 place count 733 transition count 1171
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 3394 place count 733 transition count 1141
Deduced a syphon composed of 30 places in 8 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 3454 place count 703 transition count 1141
Performed 389 Post agglomeration using F-continuation condition with reduction of 100 identical transitions.
Deduced a syphon composed of 389 places in 1 ms
Reduce places removed 389 places and 0 transitions.
Iterating global reduction 3 with 778 rules applied. Total rules applied 4232 place count 314 transition count 652
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 4236 place count 314 transition count 648
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: -72
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 4 with 72 rules applied. Total rules applied 4308 place count 278 transition count 720
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 4328 place count 278 transition count 700
Applied a total of 4328 rules in 218 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2024-05-22 07:56:06] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2024-05-22 07:56:06] [INFO ] Computed 5 invariants in 26 ms
[2024-05-22 07:56:07] [INFO ] Implicit Places using invariants in 368 ms returned []
[2024-05-22 07:56:07] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2024-05-22 07:56:07] [INFO ] Invariant cache hit.
[2024-05-22 07:56:07] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-22 07:56:07] [INFO ] Implicit Places using invariants and state equation in 478 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 878 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 275/3554 places, 700/4263 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 272 transition count 697
Applied a total of 6 rules in 10 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2024-05-22 07:56:07] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2024-05-22 07:56:07] [INFO ] Computed 2 invariants in 4 ms
[2024-05-22 07:56:07] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-05-22 07:56:07] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-22 07:56:07] [INFO ] Invariant cache hit.
[2024-05-22 07:56:08] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-22 07:56:08] [INFO ] Implicit Places using invariants and state equation in 373 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 272/3554 places, 697/4263 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1623 ms. Remains : 272/3554 places, 697/4263 transitions.
Discarding 433 transitions out of 697. Remains 264
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (3952 resets) in 2648 ms. (15 steps per ms) remains 43/263 properties
BEST_FIRST walk for 4004 steps (46 resets) in 12 ms. (308 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (46 resets) in 21 ms. (182 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (44 resets) in 18 ms. (210 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (42 resets) in 18 ms. (210 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (43 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (44 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (44 resets) in 12 ms. (308 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (49 resets) in 18 ms. (210 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (44 resets) in 9 ms. (400 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4003 steps (42 resets) in 8 ms. (444 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (43 resets) in 8 ms. (444 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (52 resets) in 10 ms. (364 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (48 resets) in 13 ms. (286 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (45 resets) in 8 ms. (444 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (45 resets) in 16 ms. (235 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (44 resets) in 13 ms. (286 steps per ms) remains 41/42 properties
BEST_FIRST walk for 4003 steps (45 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (57 resets) in 31 ms. (125 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (29 resets) in 14 ms. (266 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (27 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (32 resets) in 16 ms. (235 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (28 resets) in 18 ms. (210 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (29 resets) in 12 ms. (308 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (28 resets) in 12 ms. (308 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (30 resets) in 9 ms. (400 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (28 resets) in 9 ms. (400 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (28 resets) in 14 ms. (266 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (30 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (26 resets) in 12 ms. (308 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (29 resets) in 7 ms. (500 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (28 resets) in 10 ms. (363 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (30 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (30 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (29 resets) in 10 ms. (364 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (29 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (30 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (28 resets) in 9 ms. (400 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (27 resets) in 7 ms. (500 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (29 resets) in 10 ms. (364 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4002 steps (27 resets) in 11 ms. (333 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (26 resets) in 11 ms. (333 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (28 resets) in 10 ms. (363 steps per ms) remains 41/41 properties
[2024-05-22 07:56:09] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-22 07:56:09] [INFO ] Invariant cache hit.
[2024-05-22 07:56:09] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (OVERLAPS) 82/129 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 82/131 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (OVERLAPS) 507/636 variables, 129/260 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/636 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/636 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 217/853 variables, 138/400 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/853 variables, 138/538 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/853 variables, 7/545 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/853 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (OVERLAPS) 5/858 variables, 5/550 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/858 variables, 5/555 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/858 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 15 (OVERLAPS) 1/859 variables, 1/556 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 17 (OVERLAPS) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 859/859 variables, and 556 constraints, problems are : Problem set: 0 solved, 41 unsolved in 4688 ms.
Refiners :[Domain max(s): 272/272 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 272/272 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (OVERLAPS) 82/129 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 82/131 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (OVERLAPS) 507/636 variables, 129/260 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/636 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/636 variables, 6/268 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/636 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 217/853 variables, 138/406 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/853 variables, 138/544 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/853 variables, 7/551 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/853 variables, 35/586 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/853 variables, 0/586 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 14 (OVERLAPS) 5/858 variables, 5/591 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/858 variables, 5/596 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/858 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 17 (OVERLAPS) 1/859 variables, 1/597 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 859/859 variables, and 597 constraints, problems are : Problem set: 0 solved, 41 unsolved in 5011 ms.
Refiners :[Domain max(s): 272/272 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 272/272 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints]
After SMT, in 9941ms problems are : Problem set: 0 solved, 41 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 47 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 697/697 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Iterating post reduction 0 with 91 rules applied. Total rules applied 91 place count 272 transition count 606
Discarding 98 places :
Symmetric choice reduction at 1 with 98 rule applications. Total rules 189 place count 174 transition count 497
Iterating global reduction 1 with 98 rules applied. Total rules applied 287 place count 174 transition count 497
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 1 with 84 rules applied. Total rules applied 371 place count 174 transition count 413
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 382 place count 163 transition count 399
Iterating global reduction 2 with 11 rules applied. Total rules applied 393 place count 163 transition count 399
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 401 place count 163 transition count 391
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 404 place count 160 transition count 382
Iterating global reduction 3 with 3 rules applied. Total rules applied 407 place count 160 transition count 382
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 410 place count 157 transition count 370
Iterating global reduction 3 with 3 rules applied. Total rules applied 413 place count 157 transition count 370
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 416 place count 154 transition count 352
Iterating global reduction 3 with 3 rules applied. Total rules applied 419 place count 154 transition count 352
Performed 22 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 463 place count 132 transition count 323
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 3 with 13 rules applied. Total rules applied 476 place count 132 transition count 310
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 484 place count 128 transition count 322
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 4 with 41 rules applied. Total rules applied 525 place count 128 transition count 281
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 526 place count 128 transition count 280
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 527 place count 127 transition count 280
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 529 place count 126 transition count 279
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 531 place count 126 transition count 277
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 532 place count 126 transition count 276
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 533 place count 125 transition count 276
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 534 place count 125 transition count 275
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 535 place count 124 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 536 place count 124 transition count 274
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 539 place count 124 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 540 place count 124 transition count 273
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 543 place count 124 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 546 place count 124 transition count 270
Applied a total of 546 rules in 121 ms. Remains 124 /272 variables (removed 148) and now considering 270/697 (removed 427) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 124/272 places, 270/697 transitions.
RANDOM walk for 4000000 steps (500632 resets) in 11371 ms. (351 steps per ms) remains 1/41 properties
BEST_FIRST walk for 4000003 steps (75454 resets) in 1880 ms. (2126 steps per ms) remains 1/1 properties
[2024-05-22 07:56:22] [INFO ] Flow matrix only has 254 transitions (discarded 16 similar events)
// Phase 1: matrix 254 rows 124 cols
[2024-05-22 07:56:22] [INFO ] Computed 5 invariants in 4 ms
[2024-05-22 07:56:22] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 117/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 254/377 variables, 123/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/377 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/377 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/378 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/378 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/378 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 378/378 variables, and 131 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 117/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 254/377 variables, 123/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/377 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/377 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/377 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/378 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/378 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/378 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 378/378 variables, and 132 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 291ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1186 steps, including 99 resets, run visited all 1 properties in 5 ms. (steps per millisecond=237 )
Parikh walk visited 1 properties in 22 ms.
Able to resolve query QuasiLiveness after proving 264 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 16801 ms.
ITS solved all properties within timeout

BK_STOP 1716364583144

--------------------
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="CloudReconfiguration-PT-402"
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 CloudReconfiguration-PT-402, 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 r100-tall-171624200400177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-402.tgz
mv CloudReconfiguration-PT-402 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 ;