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.r486-smll-171624283700068.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 DLCflexbar-PT-8b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r486-smll-171624283700068
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K 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 3.8K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 15:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Apr 12 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 12 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Apr 12 12:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 12 12:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 20M 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 StableMarking

=== Now, execution of the tool begins

BK_START 1717221362292

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-8b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:56:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-06-01 05:56:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:56:07] [INFO ] Load time of PNML (sax parser for PT used): 2328 ms
[2024-06-01 05:56:09] [INFO ] Transformed 47560 places.
[2024-06-01 05:56:09] [INFO ] Transformed 76160 transitions.
[2024-06-01 05:56:09] [INFO ] Found NUPN structural information;
[2024-06-01 05:56:15] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 10382 ms.
Graph (trivial) has 42550 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 134 ms
Free SCC test removed 2620 places
Structural test allowed to assert that 25830 places are NOT stable. Took 618 ms.
Ensure Unique test removed 2780 transitions
Reduce redundant transitions removed 2780 transitions.
RANDOM walk for 40000 steps (8 resets) in 6704 ms. (5 steps per ms) remains 20863/21730 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 164 ms. (0 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 25 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 35 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 35 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 43 ms. (2 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 48 ms. (2 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 37 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 36 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 37 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 34 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 28 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 33 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 124 steps (8 resets) in 31 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 42 ms. (2 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 123 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 20863/20863 properties
BEST_FIRST walk for 121 steps (8 resets) in 33 ms. (3 steps per ms) remains 20863/20863 properties
Interrupted probabilistic random walk after 4096 steps, run timeout after 6109 ms. (steps per millisecond=0 ) properties seen :0 out of 20863
Probabilistic random walk after 4096 steps, saw 4007 distinct states, run finished after 6120 ms. (steps per millisecond=0 ) properties seen :0
[2024-06-01 05:56:51] [INFO ] Flow matrix only has 73201 transitions (discarded 179 similar events)
// Phase 1: matrix 73201 rows 44940 cols
[2024-06-01 05:56:52] [INFO ] Computed 3040 invariants in 1278 ms
[2024-06-01 05:56:54] [INFO ] State equation strengthened by 1 read => feed constraints.
SMT process timed out in 158499ms, After SMT, problems are : Problem set: 0 solved, 20863 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20863 out of 44940 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44940/44940 places, 73380/73380 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 180 transitions
Reduce isomorphic transitions removed 180 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7858 transitions
Trivial Post-agglo rules discarded 7858 transitions
Performed 7858 trivial Post agglomeration. Transition count delta: 7858
Iterating post reduction 0 with 8038 rules applied. Total rules applied 8038 place count 44940 transition count 65342
Reduce places removed 7858 places and 0 transitions.
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 7904 rules applied. Total rules applied 15942 place count 37082 transition count 65296
Reduce places removed 20 places and 0 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Iterating post reduction 2 with 68 rules applied. Total rules applied 16010 place count 37062 transition count 65248
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 16058 place count 37014 transition count 65248
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 16058 place count 37014 transition count 65241
Deduced a syphon composed of 7 places in 8628 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 16072 place count 37007 transition count 65241
Discarding 271 places :
Symmetric choice reduction at 4 with 271 rule applications. Total rules 16343 place count 36736 transition count 64970
Iterating global reduction 4 with 271 rules applied. Total rules applied 16614 place count 36736 transition count 64970
Performed 102 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 102 Pre rules applied. Total rules applied 16614 place count 36736 transition count 64868
Deduced a syphon composed of 102 places in 7979 ms
Reduce places removed 102 places and 0 transitions.
Iterating global reduction 4 with 204 rules applied. Total rules applied 16818 place count 36634 transition count 64868
Discarding 44 places :
Symmetric choice reduction at 4 with 44 rule applications. Total rules 16862 place count 36590 transition count 58312
Iterating global reduction 4 with 44 rules applied. Total rules applied 16906 place count 36590 transition count 58312
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 16922 place count 36590 transition count 58296
Performed 6031 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 6031 places in 22 ms
Reduce places removed 6031 places and 0 transitions.
Iterating global reduction 5 with 12062 rules applied. Total rules applied 28984 place count 30559 transition count 52262
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 28991 place count 30559 transition count 52255
Renaming transitions due to excessive name length > 1024 char.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 6 places in 19 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 6 with 12 rules applied. Total rules applied 29003 place count 30553 transition count 52270
Free-agglomeration rule applied 6524 times with reduction of 1488 identical transitions.
Iterating global reduction 6 with 6524 rules applied. Total rules applied 35527 place count 30553 transition count 44258
Reduce places removed 6524 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 189 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 191 transitions.
Iterating post reduction 6 with 6715 rules applied. Total rules applied 42242 place count 24029 transition count 44067
Discarding 37 places :
Symmetric choice reduction at 7 with 37 rule applications. Total rules 42279 place count 23992 transition count 43878
Iterating global reduction 7 with 37 rules applied. Total rules applied 42316 place count 23992 transition count 43878
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 7 with 18 rules applied. Total rules applied 42334 place count 23992 transition count 46458
Reduce places removed 18 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 7 with 111 rules applied. Total rules applied 42445 place count 23974 transition count 46365
Discarding 9 places :
Symmetric choice reduction at 8 with 9 rule applications. Total rules 42454 place count 23965 transition count 45095
Iterating global reduction 8 with 9 rules applied. Total rules applied 42463 place count 23965 transition count 45095
Ensure Unique test removed 1163 transitions
Reduce isomorphic transitions removed 1163 transitions.
Iterating post reduction 8 with 1163 rules applied. Total rules applied 43626 place count 23965 transition count 43932
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 43627 place count 23965 transition count 43932
Applied a total of 43627 rules in 88558 ms. Remains 23965 /44940 variables (removed 20975) and now considering 43932/73380 (removed 29448) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88584 ms. Remains : 23965/44940 places, 43932/73380 transitions.
RANDOM walk for 693303 steps (0 resets) in 120004 ms. (5 steps per ms) remains 577/20863 properties
BEST_FIRST walk for 4004 steps (0 resets) in 381 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 249 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 249 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 245 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 249 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 244 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 244 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 245 ms. (16 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 251 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 330 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 331 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 332 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 368 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 400 ms. (9 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 320 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 332 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 322 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 282 ms. (14 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 355 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 454 ms. (8 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 485 ms. (8 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 519 ms. (7 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 556 ms. (7 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 541 ms. (7 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 420 ms. (9 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 468 ms. (8 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 393 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 394 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 394 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 374 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 377 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 369 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 364 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 364 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 358 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 341 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 340 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 339 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 339 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 341 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 325 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 301 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 309 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 306 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 301 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 302 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 289 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 281 ms. (14 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 304 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 4004 steps (0 resets) in 282 ms. (14 steps per ms) remains 577/577 properties
[2024-06-01 06:01:33] [INFO ] Flow matrix only has 42328 transitions (discarded 1604 similar events)
// Phase 1: matrix 42328 rows 23965 cols
[2024-06-01 06:01:33] [INFO ] Computed 3003 invariants in 193 ms
[2024-06-01 06:01:34] [INFO ] State equation strengthened by 2961 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/577 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (OVERLAPS) 1194/1771 variables, 315/315 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1771/66293 variables, and 315 constraints, problems are : Problem set: 0 solved, 577 unsolved in 45054 ms.
Refiners :[Positive P Invariants (semi-flows): 315/3003 constraints, State Equation: 0/23965 constraints, ReadFeed: 0/2961 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/577 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (OVERLAPS) 1194/1771 variables, 315/315 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1771/66293 variables, and 315 constraints, problems are : Problem set: 0 solved, 577 unsolved in 45029 ms.
Refiners :[Positive P Invariants (semi-flows): 315/3003 constraints, State Equation: 0/23965 constraints, ReadFeed: 0/2961 constraints, PredecessorRefiner: 0/577 constraints, Known Traps: 0/0 constraints]
After SMT, in 93200ms problems are : Problem set: 0 solved, 577 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 577 out of 23965 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 23965/23965 places, 43932/43932 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12472 transitions
Trivial Post-agglo rules discarded 12472 transitions
Performed 12472 trivial Post agglomeration. Transition count delta: 12472
Iterating post reduction 0 with 12472 rules applied. Total rules applied 12472 place count 23965 transition count 31460
Reduce places removed 12472 places and 0 transitions.
Ensure Unique test removed 423 transitions
Reduce isomorphic transitions removed 423 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 418 transitions
Trivial Post-agglo rules discarded 418 transitions
Performed 418 trivial Post agglomeration. Transition count delta: 418
Iterating post reduction 1 with 13313 rules applied. Total rules applied 25785 place count 11493 transition count 30619
Reduce places removed 418 places and 0 transitions.
Ensure Unique test removed 139 transitions
Reduce isomorphic transitions removed 139 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 139 transitions
Trivial Post-agglo rules discarded 139 transitions
Performed 139 trivial Post agglomeration. Transition count delta: 139
Iterating post reduction 2 with 696 rules applied. Total rules applied 26481 place count 11075 transition count 30341
Reduce places removed 139 places and 0 transitions.
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Iterating post reduction 3 with 161 rules applied. Total rules applied 26642 place count 10936 transition count 30319
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 4 with 22 rules applied. Total rules applied 26664 place count 10914 transition count 30319
Performed 149 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 149 Pre rules applied. Total rules applied 26664 place count 10914 transition count 30170
Deduced a syphon composed of 149 places in 9 ms
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 5 with 298 rules applied. Total rules applied 26962 place count 10765 transition count 30170
Discarding 3179 places :
Symmetric choice reduction at 5 with 3179 rule applications. Total rules 30141 place count 7586 transition count 26987
Iterating global reduction 5 with 3179 rules applied. Total rules applied 33320 place count 7586 transition count 26987
Ensure Unique test removed 4575 transitions
Reduce isomorphic transitions removed 4575 transitions.
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 4576 rules applied. Total rules applied 37896 place count 7586 transition count 22411
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 37897 place count 7585 transition count 22411
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 5 Pre rules applied. Total rules applied 37897 place count 7585 transition count 22406
Deduced a syphon composed of 5 places in 7 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 37907 place count 7580 transition count 22406
Performed 3233 Post agglomeration using F-continuation condition with reduction of 1692 identical transitions.
Deduced a syphon composed of 3233 places in 5 ms
Reduce places removed 3233 places and 0 transitions.
Iterating global reduction 7 with 6466 rules applied. Total rules applied 44373 place count 4347 transition count 17481
Drop transitions (Empty/Sink Transition effects.) removed 6909 transitions
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 6951 transitions.
Graph (complete) has 12845 edges and 4347 vertex of which 2503 are kept as prefixes of interest. Removing 1844 places using SCC suffix rule.9 ms
Discarding 1844 places :
Also discarding 2877 output transitions
Drop transitions (Output transitions of discarded places.) removed 2877 transitions
Iterating post reduction 7 with 6952 rules applied. Total rules applied 51325 place count 2503 transition count 7653
Drop transitions (Empty/Sink Transition effects.) removed 1937 transitions
Reduce isomorphic transitions removed 1937 transitions.
Iterating post reduction 8 with 1937 rules applied. Total rules applied 53262 place count 2503 transition count 5716
Discarding 1424 places :
Symmetric choice reduction at 9 with 1424 rule applications. Total rules 54686 place count 1079 transition count 1348
Iterating global reduction 9 with 1424 rules applied. Total rules applied 56110 place count 1079 transition count 1348
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 9 with 7 rules applied. Total rules applied 56117 place count 1079 transition count 1341
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 10 with 18 rules applied. Total rules applied 56135 place count 1070 transition count 1332
Drop transitions (Empty/Sink Transition effects.) removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Graph (complete) has 1956 edges and 1070 vertex of which 1068 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Iterating post reduction 10 with 65 rules applied. Total rules applied 56200 place count 1068 transition count 1268
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 56206 place count 1062 transition count 1261
Iterating global reduction 11 with 6 rules applied. Total rules applied 56212 place count 1062 transition count 1261
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: -173
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 11 with 50 rules applied. Total rules applied 56262 place count 1037 transition count 1434
Drop transitions (Empty/Sink Transition effects.) removed 179 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 183 transitions.
Iterating post reduction 11 with 183 rules applied. Total rules applied 56445 place count 1037 transition count 1251
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 56451 place count 1031 transition count 1217
Iterating global reduction 12 with 6 rules applied. Total rules applied 56457 place count 1031 transition count 1217
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 12 with 18 rules applied. Total rules applied 56475 place count 1031 transition count 1199
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 13 with 8 rules applied. Total rules applied 56483 place count 1027 transition count 1229
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 13 with 38 rules applied. Total rules applied 56521 place count 1027 transition count 1191
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 14 with 15 rules applied. Total rules applied 56536 place count 1027 transition count 1176
Free-agglomeration rule applied 2 times.
Iterating global reduction 14 with 2 rules applied. Total rules applied 56538 place count 1027 transition count 1174
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 14 with 18 rules applied. Total rules applied 56556 place count 1025 transition count 1158
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 56557 place count 1024 transition count 1155
Iterating global reduction 15 with 1 rules applied. Total rules applied 56558 place count 1024 transition count 1155
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 15 with 8 rules applied. Total rules applied 56566 place count 1024 transition count 1147
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 56568 place count 1023 transition count 1146
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (complete) has 1878 edges and 1023 vertex of which 1022 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 16 with 9 rules applied. Total rules applied 56577 place count 1022 transition count 1138
Discarding 6 places :
Symmetric choice reduction at 17 with 6 rule applications. Total rules 56583 place count 1016 transition count 1129
Iterating global reduction 17 with 6 rules applied. Total rules applied 56589 place count 1016 transition count 1129
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 56591 place count 1016 transition count 1127
Applied a total of 56591 rules in 7870 ms. Remains 1016 /23965 variables (removed 22949) and now considering 1127/43932 (removed 42805) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7870 ms. Remains : 1016/23965 places, 1127/43932 transitions.
RANDOM walk for 20528 steps (0 resets) in 1743 ms. (11 steps per ms) remains 0/577 properties
Able to resolve query StableMarking after proving 21732 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 430555 ms.
ITS solved all properties within timeout

BK_STOP 1717221795369

--------------------
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 StableMarking -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="DLCflexbar-PT-8b"
export BK_EXAMINATION="StableMarking"
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 DLCflexbar-PT-8b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r486-smll-171624283700068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-8b.tgz
mv DLCflexbar-PT-8b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;