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.r482-tall-171624201400177.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is CloudReconfiguration-PT-402, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r482-tall-171624201400177
=====================================================================

--------------------
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 1717178821168

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:07:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 18:07:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:07:02] [INFO ] Load time of PNML (sax parser for PT used): 180 ms
[2024-05-31 18:07:02] [INFO ] Transformed 3554 places.
[2024-05-31 18:07:02] [INFO ] Transformed 4263 transitions.
[2024-05-31 18:07:02] [INFO ] Found NUPN structural information;
[2024-05-31 18:07:02] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 295 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 24 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 7 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 2 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 192 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2024-05-31 18:07:02] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2024-05-31 18:07:02] [INFO ] Computed 5 invariants in 24 ms
[2024-05-31 18:07:03] [INFO ] Implicit Places using invariants in 341 ms returned []
[2024-05-31 18:07:03] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2024-05-31 18:07:03] [INFO ] Invariant cache hit.
[2024-05-31 18:07:03] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-31 18:07:03] [INFO ] Implicit Places using invariants and state equation in 443 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 813 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 7 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2024-05-31 18:07:03] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2024-05-31 18:07:03] [INFO ] Computed 2 invariants in 11 ms
[2024-05-31 18:07:03] [INFO ] Implicit Places using invariants in 145 ms returned []
[2024-05-31 18:07:03] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-31 18:07:03] [INFO ] Invariant cache hit.
[2024-05-31 18:07:03] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-31 18:07:04] [INFO ] Implicit Places using invariants and state equation in 340 ms returned []
Implicit Place search using SMT with State Equation took 488 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 1516 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 (3981 resets) in 1964 ms. (20 steps per ms) remains 40/263 properties
BEST_FIRST walk for 4003 steps (46 resets) in 48 ms. (81 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4003 steps (46 resets) in 21 ms. (181 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (42 resets) in 25 ms. (154 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (50 resets) in 20 ms. (190 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (48 resets) in 23 ms. (166 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (45 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (43 resets) in 10 ms. (364 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4003 steps (48 resets) in 15 ms. (250 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (47 resets) in 10 ms. (363 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (50 resets) in 15 ms. (250 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (45 resets) in 10 ms. (364 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (43 resets) in 16 ms. (235 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4002 steps (46 resets) in 9 ms. (400 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4004 steps (50 resets) in 16 ms. (235 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (55 resets) in 14 ms. (266 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (29 resets) in 13 ms. (286 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (30 resets) in 8 ms. (444 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (29 resets) in 10 ms. (364 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (30 resets) in 8 ms. (444 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (27 resets) in 10 ms. (363 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (32 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (30 resets) in 20 ms. (190 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (25 resets) in 10 ms. (364 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (27 resets) in 11 ms. (333 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (29 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (28 resets) in 7 ms. (500 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (28 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (28 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (28 resets) in 10 ms. (363 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (28 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4002 steps (26 resets) in 12 ms. (307 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (27 resets) in 12 ms. (308 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (29 resets) in 11 ms. (333 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (30 resets) in 10 ms. (364 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (28 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (29 resets) in 11 ms. (333 steps per ms) remains 37/37 properties
[2024-05-31 18:07:04] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2024-05-31 18:07:05] [INFO ] Invariant cache hit.
[2024-05-31 18:07:05] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (OVERLAPS) 81/124 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 81/126 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (OVERLAPS) 490/614 variables, 124/250 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/614 variables, 2/252 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/614 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (OVERLAPS) 239/853 variables, 143/395 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/853 variables, 143/538 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/853 variables, 7/545 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/853 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 12 (OVERLAPS) 5/858 variables, 5/550 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/858 variables, 5/555 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/858 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 15 (OVERLAPS) 1/859 variables, 1/556 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 17 (OVERLAPS) 0/859 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 859/859 variables, and 556 constraints, problems are : Problem set: 0 solved, 37 unsolved in 4257 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: 37/37 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 37 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (OVERLAPS) 81/124 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 81/126 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (OVERLAPS) 490/614 variables, 124/250 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/614 variables, 2/252 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/614 variables, 6/258 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/614 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (OVERLAPS) 239/853 variables, 143/401 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/853 variables, 143/544 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/853 variables, 7/551 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/853 variables, 31/582 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/853 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 14 (OVERLAPS) 5/858 variables, 5/587 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/858 variables, 5/592 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/858 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 17 (OVERLAPS) 1/859 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 37 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 859/859 variables, and 593 constraints, problems are : Problem set: 0 solved, 37 unsolved in 5040 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: 37/37 constraints, Known Traps: 0/0 constraints]
After SMT, in 9550ms problems are : Problem set: 0 solved, 37 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 43 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 27 Post agglomeration using F-continuation condition with reduction of 6 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 469 place count 129 transition count 323
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 484 place count 129 transition count 308
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 496 place count 123 transition count 320
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 498 place count 123 transition count 318
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 500 place count 121 transition count 314
Iterating global reduction 5 with 2 rules applied. Total rules applied 502 place count 121 transition count 314
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 5 with 40 rules applied. Total rules applied 542 place count 121 transition count 274
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 5 with 1 rules applied. Total rules applied 543 place count 121 transition count 273
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 544 place count 120 transition count 273
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 7 with 2 rules applied. Total rules applied 546 place count 119 transition count 272
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 548 place count 119 transition count 270
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 549 place count 119 transition count 269
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 550 place count 118 transition count 269
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 551 place count 118 transition count 268
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 552 place count 117 transition count 268
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 553 place count 117 transition count 267
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 10 with 12 rules applied. Total rules applied 565 place count 117 transition count 267
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 569 place count 117 transition count 263
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 570 place count 117 transition count 263
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 571 place count 117 transition count 262
Applied a total of 571 rules in 136 ms. Remains 117 /272 variables (removed 155) and now considering 262/697 (removed 435) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 117/272 places, 262/697 transitions.
RANDOM walk for 4000000 steps (501222 resets) in 11055 ms. (361 steps per ms) remains 1/37 properties
BEST_FIRST walk for 4000004 steps (75390 resets) in 1771 ms. (2257 steps per ms) remains 1/1 properties
[2024-05-31 18:07:18] [INFO ] Flow matrix only has 241 transitions (discarded 21 similar events)
// Phase 1: matrix 241 rows 117 cols
[2024-05-31 18:07:18] [INFO ] Computed 5 invariants in 5 ms
[2024-05-31 18:07:18] [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) 241/357 variables, 116/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/357 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/358 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/358 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 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) 241/357 variables, 116/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/357 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/357 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/358 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/358 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 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 243ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 6 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 262/262 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 117 transition count 261
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 116 transition count 261
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 9 place count 109 transition count 251
Iterating global reduction 0 with 7 rules applied. Total rules applied 16 place count 109 transition count 251
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 107 transition count 247
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 107 transition count 247
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 22 place count 107 transition count 245
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 1 with 18 rules applied. Total rules applied 40 place count 98 transition count 236
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 56 place count 98 transition count 220
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 66 place count 88 transition count 210
Iterating global reduction 2 with 10 rules applied. Total rules applied 76 place count 88 transition count 210
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 80 place count 88 transition count 206
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 92 place count 82 transition count 200
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 98 place count 82 transition count 194
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 104 place count 76 transition count 188
Iterating global reduction 4 with 6 rules applied. Total rules applied 110 place count 76 transition count 188
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 116 place count 76 transition count 182
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 132 place count 68 transition count 182
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 144 place count 68 transition count 170
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 152 place count 60 transition count 162
Iterating global reduction 6 with 8 rules applied. Total rules applied 160 place count 60 transition count 162
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 168 place count 60 transition count 154
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 7 with 40 rules applied. Total rules applied 208 place count 60 transition count 114
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 216 place count 56 transition count 110
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 220 place count 56 transition count 106
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 224 place count 56 transition count 102
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 228 place count 52 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 229 place count 51 transition count 101
Applied a total of 229 rules in 59 ms. Remains 51 /117 variables (removed 66) and now considering 101/262 (removed 161) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 51/117 places, 101/262 transitions.
RANDOM walk for 117841 steps (13488 resets) in 367 ms. (320 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 16248 ms.
ITS solved all properties within timeout

BK_STOP 1717178838571

--------------------
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="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is 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 r482-tall-171624201400177"
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 ;