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-171624200400172.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-401, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-tall-171624200400172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K 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 3.4K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 22 14:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Apr 11 19:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K Apr 11 19:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Apr 11 19:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 11 19:53 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 1716364514065

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-401
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 07:55:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-22 07:55:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 07:55:15] [INFO ] Load time of PNML (sax parser for PT used): 205 ms
[2024-05-22 07:55:15] [INFO ] Transformed 3554 places.
[2024-05-22 07:55:15] [INFO ] Transformed 4263 transitions.
[2024-05-22 07:55:15] [INFO ] Found NUPN structural information;
[2024-05-22 07:55:15] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 345 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 36 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 2 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 223 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2024-05-22 07:55:15] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2024-05-22 07:55:15] [INFO ] Computed 5 invariants in 23 ms
[2024-05-22 07:55:16] [INFO ] Implicit Places using invariants in 357 ms returned []
[2024-05-22 07:55:16] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2024-05-22 07:55:16] [INFO ] Invariant cache hit.
[2024-05-22 07:55:16] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-22 07:55:16] [INFO ] Implicit Places using invariants and state equation in 454 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 845 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 1 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 8 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2024-05-22 07:55:16] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2024-05-22 07:55:16] [INFO ] Computed 2 invariants in 5 ms
[2024-05-22 07:55:16] [INFO ] Implicit Places using invariants in 135 ms returned []
[2024-05-22 07:55:16] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-22 07:55:16] [INFO ] Invariant cache hit.
[2024-05-22 07:55:17] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-22 07:55:17] [INFO ] Implicit Places using invariants and state equation in 361 ms returned []
Implicit Place search using SMT with State Equation took 498 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 1592 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 (3880 resets) in 2419 ms. (16 steps per ms) remains 44/263 properties
BEST_FIRST walk for 4004 steps (41 resets) in 21 ms. (182 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (45 resets) in 29 ms. (133 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (48 resets) in 22 ms. (174 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (45 resets) in 23 ms. (166 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (43 resets) in 25 ms. (154 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4001 steps (47 resets) in 17 ms. (222 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (43 resets) in 16 ms. (235 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (49 resets) in 30 ms. (129 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (44 resets) in 12 ms. (308 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (44 resets) in 10 ms. (364 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (48 resets) in 12 ms. (307 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (43 resets) in 12 ms. (308 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (47 resets) in 12 ms. (307 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (47 resets) in 10 ms. (364 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (43 resets) in 8 ms. (444 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (41 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (45 resets) in 8 ms. (444 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (44 resets) in 9 ms. (400 steps per ms) remains 41/43 properties
BEST_FIRST walk for 4003 steps (41 resets) in 13 ms. (285 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4002 steps (46 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (61 resets) in 18 ms. (210 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (33 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (31 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (31 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (27 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (34 resets) in 8 ms. (444 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (33 resets) in 10 ms. (363 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (35 resets) in 24 ms. (160 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (32 resets) in 9 ms. (400 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (31 resets) in 14 ms. (266 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (31 resets) in 10 ms. (364 steps per ms) remains 40/41 properties
BEST_FIRST walk for 4003 steps (32 resets) in 15 ms. (250 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (32 resets) in 7 ms. (500 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (33 resets) in 7 ms. (500 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (29 resets) in 8 ms. (444 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (35 resets) in 8 ms. (444 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (33 resets) in 8 ms. (444 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (31 resets) in 10 ms. (364 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (30 resets) in 8 ms. (444 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (34 resets) in 7 ms. (500 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (33 resets) in 8 ms. (444 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (34 resets) in 20 ms. (190 steps per ms) remains 40/40 properties
[2024-05-22 07:55:18] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-22 07:55:18] [INFO ] Invariant cache hit.
[2024-05-22 07:55:18] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 85/131 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 85/133 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 505/636 variables, 131/264 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/636 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/636 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 218/854 variables, 137/403 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/854 variables, 137/540 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/854 variables, 7/547 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/854 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 4/858 variables, 4/551 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/858 variables, 4/555 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/858 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 15 (OVERLAPS) 1/859 variables, 1/556 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 17 (OVERLAPS) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 859/859 variables, and 556 constraints, problems are : Problem set: 0 solved, 40 unsolved in 4867 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: 40/40 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 85/131 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 85/133 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 505/636 variables, 131/264 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/636 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/636 variables, 4/270 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/636 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (OVERLAPS) 218/854 variables, 137/407 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/854 variables, 137/544 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/854 variables, 7/551 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/854 variables, 36/587 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/854 variables, 0/587 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 14 (OVERLAPS) 4/858 variables, 4/591 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/858 variables, 4/595 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/858 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 17 (OVERLAPS) 1/859 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 859/859 variables, and 596 constraints, problems are : Problem set: 0 solved, 40 unsolved in 5018 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: 40/40 constraints, Known Traps: 0/0 constraints]
After SMT, in 10098ms problems are : Problem set: 0 solved, 40 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 46 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 96 places :
Symmetric choice reduction at 1 with 96 rule applications. Total rules 187 place count 176 transition count 501
Iterating global reduction 1 with 96 rules applied. Total rules applied 283 place count 176 transition count 501
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 1 with 84 rules applied. Total rules applied 367 place count 176 transition count 417
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 378 place count 165 transition count 403
Iterating global reduction 2 with 11 rules applied. Total rules applied 389 place count 165 transition count 403
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 397 place count 165 transition count 395
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 400 place count 162 transition count 386
Iterating global reduction 3 with 3 rules applied. Total rules applied 403 place count 162 transition count 386
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 406 place count 159 transition count 374
Iterating global reduction 3 with 3 rules applied. Total rules applied 409 place count 159 transition count 374
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 412 place count 156 transition count 356
Iterating global reduction 3 with 3 rules applied. Total rules applied 415 place count 156 transition count 356
Performed 23 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 461 place count 133 transition count 327
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 475 place count 133 transition count 313
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -7
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 491 place count 125 transition count 320
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 499 place count 125 transition count 312
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 503 place count 121 transition count 300
Iterating global reduction 5 with 4 rules applied. Total rules applied 507 place count 121 transition count 300
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 509 place count 121 transition count 298
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 6 with 36 rules applied. Total rules applied 545 place count 121 transition count 262
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 546 place count 121 transition count 261
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 547 place count 120 transition count 261
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 8 with 2 rules applied. Total rules applied 549 place count 119 transition count 260
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 551 place count 119 transition count 258
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 8 with 1 rules applied. Total rules applied 552 place count 119 transition count 257
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 553 place count 118 transition count 257
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 554 place count 118 transition count 256
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 555 place count 117 transition count 256
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 556 place count 117 transition count 255
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 11 with 3 rules applied. Total rules applied 559 place count 117 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 560 place count 117 transition count 254
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 562 place count 117 transition count 254
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 564 place count 117 transition count 252
Applied a total of 564 rules in 121 ms. Remains 117 /272 variables (removed 155) and now considering 252/697 (removed 445) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 117/272 places, 252/697 transitions.
RANDOM walk for 4000000 steps (502731 resets) in 9705 ms. (412 steps per ms) remains 1/40 properties
BEST_FIRST walk for 4000004 steps (117601 resets) in 2036 ms. (1963 steps per ms) remains 1/1 properties
[2024-05-22 07:55:31] [INFO ] Flow matrix only has 233 transitions (discarded 19 similar events)
// Phase 1: matrix 233 rows 117 cols
[2024-05-22 07:55:31] [INFO ] Computed 5 invariants in 4 ms
[2024-05-22 07:55:31] [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) 110/116 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 233/349 variables, 116/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/349 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/349 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/350 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/350 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/350 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 350/350 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 117/117 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) 110/116 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 233/349 variables, 116/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/349 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/349 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/349 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/350 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/350 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/350 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 350/350 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[Generalized P Invariants (flows): 5/5 constraints, State Equation: 117/117 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 6 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 252/252 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 117 transition count 250
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 115 transition count 250
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 8 place count 111 transition count 243
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 111 transition count 243
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 110 transition count 241
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 110 transition count 241
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 110 transition count 240
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 1 with 24 rules applied. Total rules applied 39 place count 98 transition count 228
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 53 place count 98 transition count 214
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 66 place count 85 transition count 201
Iterating global reduction 2 with 13 rules applied. Total rules applied 79 place count 85 transition count 201
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 85 place count 85 transition count 195
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 3 with 18 rules applied. Total rules applied 103 place count 76 transition count 186
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 112 place count 76 transition count 177
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 119 place count 69 transition count 170
Iterating global reduction 4 with 7 rules applied. Total rules applied 126 place count 69 transition count 170
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 133 place count 69 transition count 163
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 145 place count 63 transition count 163
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 153 place count 63 transition count 155
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 159 place count 57 transition count 149
Iterating global reduction 6 with 6 rules applied. Total rules applied 165 place count 57 transition count 149
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 171 place count 57 transition count 143
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 7 with 43 rules applied. Total rules applied 214 place count 57 transition count 100
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 217 place count 54 transition count 93
Iterating global reduction 7 with 3 rules applied. Total rules applied 220 place count 54 transition count 93
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 221 place count 54 transition count 92
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 223 place count 52 transition count 90
Iterating global reduction 8 with 2 rules applied. Total rules applied 225 place count 52 transition count 90
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 227 place count 52 transition count 88
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 229 place count 51 transition count 87
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 230 place count 51 transition count 86
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 233 place count 51 transition count 83
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 237 place count 51 transition count 79
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 241 place count 47 transition count 79
Applied a total of 241 rules in 50 ms. Remains 47 /117 variables (removed 70) and now considering 79/252 (removed 173) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 47/117 places, 79/252 transitions.
RANDOM walk for 71395 steps (7611 resets) in 192 ms. (369 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 16744 ms.
ITS solved all properties within timeout

BK_STOP 1716364532044

--------------------
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-401"
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-401, 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-171624200400172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-401.tgz
mv CloudReconfiguration-PT-401 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 ;