Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r056-tall-174854041800232.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
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 r056-tall-174854041800232
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 912K May 29 14:32 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 1748648725093

Invoking MCC driver with
BK_TOOL=gold2024
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
[2025-05-30 23:45:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 23:45:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:45:26] [INFO ] Load time of PNML (sax parser for PT used): 194 ms
[2025-05-30 23:45:26] [INFO ] Transformed 3554 places.
[2025-05-30 23:45:26] [INFO ] Transformed 4263 transitions.
[2025-05-30 23:45:26] [INFO ] Found NUPN structural information;
[2025-05-30 23:45:26] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 316 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 28 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 203 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2025-05-30 23:45:26] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2025-05-30 23:45:27] [INFO ] Computed 5 invariants in 19 ms
[2025-05-30 23:45:27] [INFO ] Implicit Places using invariants in 376 ms returned []
[2025-05-30 23:45:27] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2025-05-30 23:45:27] [INFO ] Invariant cache hit.
[2025-05-30 23:45:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-30 23:45:27] [INFO ] Implicit Places using invariants and state equation in 459 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 877 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 13 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2025-05-30 23:45:27] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2025-05-30 23:45:27] [INFO ] Computed 2 invariants in 5 ms
[2025-05-30 23:45:27] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-05-30 23:45:27] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2025-05-30 23:45:27] [INFO ] Invariant cache hit.
[2025-05-30 23:45:28] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-30 23:45:28] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 495 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 1607 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 (4010 resets) in 2447 ms. (16 steps per ms) remains 35/263 properties
BEST_FIRST walk for 4004 steps (47 resets) in 27 ms. (143 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (43 resets) in 21 ms. (182 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (44 resets) in 8 ms. (444 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (44 resets) in 33 ms. (117 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (43 resets) in 19 ms. (200 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (45 resets) in 30 ms. (129 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4003 steps (43 resets) in 13 ms. (285 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (45 resets) in 9 ms. (400 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (38 resets) in 15 ms. (250 steps per ms) remains 33/34 properties
BEST_FIRST walk for 4003 steps (41 resets) in 9 ms. (400 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (39 resets) in 9 ms. (400 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (47 resets) in 12 ms. (307 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (45 resets) in 9 ms. (400 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (48 resets) in 8 ms. (444 steps per ms) remains 32/33 properties
BEST_FIRST walk for 4004 steps (58 resets) in 26 ms. (148 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (30 resets) in 10 ms. (364 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (30 resets) in 13 ms. (285 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (25 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (30 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (25 resets) in 11 ms. (333 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (26 resets) in 12 ms. (307 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (29 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (30 resets) in 10 ms. (364 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (30 resets) in 15 ms. (250 steps per ms) remains 31/32 properties
BEST_FIRST walk for 4003 steps (31 resets) in 8 ms. (444 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (30 resets) in 14 ms. (266 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4003 steps (29 resets) in 12 ms. (307 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (28 resets) in 10 ms. (364 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (30 resets) in 24 ms. (160 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4002 steps (31 resets) in 11 ms. (333 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (31 resets) in 8 ms. (444 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (28 resets) in 10 ms. (364 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (26 resets) in 9 ms. (400 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (28 resets) in 18 ms. (210 steps per ms) remains 31/31 properties
[2025-05-30 23:45:29] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2025-05-30 23:45:29] [INFO ] Invariant cache hit.
[2025-05-30 23:45:29] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 82/119 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 82/121 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 485/604 variables, 119/240 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/604 variables, 2/242 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/604 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (OVERLAPS) 248/852 variables, 147/389 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/852 variables, 147/536 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/852 variables, 7/543 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/852 variables, 0/543 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 12 (OVERLAPS) 6/858 variables, 6/549 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/858 variables, 6/555 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/858 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 15 (OVERLAPS) 1/859 variables, 1/556 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 17 (OVERLAPS) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 859/859 variables, and 556 constraints, problems are : Problem set: 0 solved, 31 unsolved in 3560 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: 31/31 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 82/119 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 82/121 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 485/604 variables, 119/240 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/604 variables, 2/242 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/604 variables, 7/249 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/604 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (OVERLAPS) 248/852 variables, 147/396 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/852 variables, 147/543 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/852 variables, 7/550 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/852 variables, 24/574 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/852 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 14 (OVERLAPS) 6/858 variables, 6/580 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/858 variables, 6/586 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/858 variables, 0/586 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 17 (OVERLAPS) 1/859 variables, 1/587 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/859 variables, 0/587 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 859/859 variables, and 587 constraints, problems are : Problem set: 0 solved, 31 unsolved in 5013 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: 31/31 constraints, Known Traps: 0/0 constraints]
After SMT, in 8758ms problems are : Problem set: 0 solved, 31 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 37 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 99 places :
Symmetric choice reduction at 1 with 99 rule applications. Total rules 190 place count 173 transition count 495
Iterating global reduction 1 with 99 rules applied. Total rules applied 289 place count 173 transition count 495
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 1 with 84 rules applied. Total rules applied 373 place count 173 transition count 411
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 384 place count 162 transition count 397
Iterating global reduction 2 with 11 rules applied. Total rules applied 395 place count 162 transition count 397
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 403 place count 162 transition count 389
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 406 place count 159 transition count 380
Iterating global reduction 3 with 3 rules applied. Total rules applied 409 place count 159 transition count 380
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 412 place count 156 transition count 368
Iterating global reduction 3 with 3 rules applied. Total rules applied 415 place count 156 transition count 368
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 418 place count 153 transition count 350
Iterating global reduction 3 with 3 rules applied. Total rules applied 421 place count 153 transition count 350
Performed 27 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 27 places in 1 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 54 rules applied. Total rules applied 475 place count 126 transition count 316
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 489 place count 126 transition count 302
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 505 place count 118 transition count 318
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 513 place count 118 transition count 310
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 517 place count 114 transition count 298
Iterating global reduction 5 with 4 rules applied. Total rules applied 521 place count 114 transition count 298
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 522 place count 114 transition count 297
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 524 place count 112 transition count 293
Iterating global reduction 6 with 2 rules applied. Total rules applied 526 place count 112 transition count 293
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 528 place count 112 transition count 291
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 7 with 34 rules applied. Total rules applied 562 place count 112 transition count 257
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 7 with 1 rules applied. Total rules applied 563 place count 112 transition count 256
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 564 place count 111 transition count 256
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 9 with 2 rules applied. Total rules applied 566 place count 110 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 568 place count 110 transition count 253
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 9 with 1 rules applied. Total rules applied 569 place count 110 transition count 252
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 570 place count 109 transition count 252
Free-agglomeration rule applied 1 times.
Iterating global reduction 11 with 1 rules applied. Total rules applied 571 place count 109 transition count 251
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 572 place count 108 transition count 251
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 573 place count 108 transition count 250
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 12 with 6 rules applied. Total rules applied 579 place count 108 transition count 250
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 581 place count 108 transition count 248
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 583 place count 108 transition count 248
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 585 place count 108 transition count 246
Applied a total of 585 rules in 128 ms. Remains 108 /272 variables (removed 164) and now considering 246/697 (removed 451) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 108/272 places, 246/697 transitions.
RANDOM walk for 4000000 steps (498931 resets) in 10552 ms. (379 steps per ms) remains 1/31 properties
BEST_FIRST walk for 4000003 steps (75465 resets) in 1869 ms. (2139 steps per ms) remains 1/1 properties
[2025-05-30 23:45:41] [INFO ] Flow matrix only has 229 transitions (discarded 17 similar events)
// Phase 1: matrix 229 rows 108 cols
[2025-05-30 23:45:41] [INFO ] Computed 5 invariants in 4 ms
[2025-05-30 23:45:41] [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) 101/107 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/336 variables, 107/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/337 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/337 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/337 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 337/337 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 108/108 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) 101/107 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/336 variables, 107/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/337 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/337 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/337 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 337/337 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 108/108 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 226ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 6 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 246/246 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 108 transition count 244
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 106 transition count 244
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 7 place count 103 transition count 241
Iterating global reduction 0 with 3 rules applied. Total rules applied 10 place count 103 transition count 241
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 28 place count 94 transition count 232
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 44 place count 94 transition count 216
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 55 place count 83 transition count 205
Iterating global reduction 1 with 11 rules applied. Total rules applied 66 place count 83 transition count 205
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 72 place count 83 transition count 199
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 84 place count 77 transition count 193
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 90 place count 77 transition count 187
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 95 place count 72 transition count 182
Iterating global reduction 3 with 5 rules applied. Total rules applied 100 place count 72 transition count 182
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 105 place count 72 transition count 177
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 119 place count 65 transition count 177
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 129 place count 65 transition count 167
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 136 place count 58 transition count 160
Iterating global reduction 5 with 7 rules applied. Total rules applied 143 place count 58 transition count 160
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 150 place count 58 transition count 153
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 6 with 43 rules applied. Total rules applied 193 place count 58 transition count 110
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 195 place count 56 transition count 106
Iterating global reduction 6 with 2 rules applied. Total rules applied 197 place count 56 transition count 106
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 198 place count 56 transition count 105
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 199 place count 55 transition count 104
Iterating global reduction 7 with 1 rules applied. Total rules applied 200 place count 55 transition count 104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 201 place count 55 transition count 103
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 8 with 4 rules applied. Total rules applied 205 place count 53 transition count 101
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 207 place count 53 transition count 99
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 209 place count 53 transition count 97
Free-agglomeration rule applied 4 times.
Iterating global reduction 9 with 4 rules applied. Total rules applied 213 place count 53 transition count 93
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 217 place count 49 transition count 93
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 218 place count 48 transition count 92
Applied a total of 218 rules in 63 ms. Remains 48 /108 variables (removed 60) and now considering 92/246 (removed 154) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 48/108 places, 92/246 transitions.
RANDOM walk for 56889 steps (6520 resets) in 220 ms. (257 steps per ms) remains 0/1 properties
Able to resolve query QuasiLiveness after proving 264 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 15469 ms.
ITS solved all properties within timeout

BK_STOP 1748648741903

--------------------
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="gold2024"
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 2-5832"
echo " Executing tool gold2024"
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 r056-tall-174854041800232"
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.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 ;