Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695600487.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DLCflexbar-PT-7b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600487
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 8.5K Mar 6 15:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 15:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Mar 6 15:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 14M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-00
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-01
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-02
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-03
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-04
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-05
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-06
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-07
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-08
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-09
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-10
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-11
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-12
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-13
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-14
FORMULA_NAME DLCflexbar-PT-7b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779621820968

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-7b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 11:23:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 11:23:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 11:23:43] [INFO ] Load time of PNML (sax parser for PT used): 1058 ms
[2026-05-24 11:23:44] [INFO ] Transformed 35101 places.
[2026-05-24 11:23:44] [INFO ] Transformed 55507 transitions.
[2026-05-24 11:23:44] [INFO ] Found NUPN structural information;
[2026-05-24 11:23:46] [INFO ] Parsed PT model containing 35101 places and 55507 transitions and 156636 arcs in 4159 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 36 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 4367 ms. (9 steps per ms) remains 13/16 properties
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 1013 ms. (39 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 715 ms. (55 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 289 ms. (137 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 343 ms. (116 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 458 ms. (87 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 467 ms. (85 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 156 ms. (254 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 352 ms. (113 steps per ms) remains 13/13 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8935213805920389152.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11712589496503322598.kers'
[2026-05-24 11:23:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8935213805920389152.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11712589496503322598.kers]
[2026-05-24 11:23:55] [INFO ] Flatten gal took : 2410 ms
Culled 0 columns in 47 ms.
// Phase 1: matrix 55507 rows 35101 cols 156636 entries
[2026-05-24 11:23:56] [INFO ] Flatten gal took : 881 ms
[2026-05-24 11:23:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3178972210856503419.gal : 328 ms
[2026-05-24 11:23:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8727472349221298664.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3178972210856503419.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8727472349221298664.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Finished phase 1 with 32930 SingleSign rule and 0 generalized
[2026-05-24 11:24:11] [INFO ] Computed 2171 invariants in 16501 ms
Computed 2171 P flows in 16505 ms.
Exported basis to /tmp/petrispot-output-11712589496503322598.kers
Total runtime 16588 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/262 variables, 262/262 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/262 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Loading property file /tmp/ReachabilityCardinality8727472349221298664.prop.
SMT process timed out in 22999ms, After SMT, problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 262 out of 35101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35101/35101 places, 55507/55507 transitions.
Graph (trivial) has 31125 edges and 35101 vertex of which 2069 / 35101 are part of one of the 144 SCC in 70 ms
Free SCC test removed 1925 places
Drop transitions (Empty/Sink Transition effects.) removed 2182 transitions
Reduce isomorphic transitions removed 2182 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15290 transitions
Trivial Post-agglo rules discarded 15290 transitions
Performed 15290 trivial Post agglomeration. Transition count delta: 15290
Iterating post reduction 0 with 15290 rules applied. Total rules applied 15291 place count 33176 transition count 38035
Reduce places removed 15290 places and 0 transitions.
Ensure Unique test removed 335 transitions
Reduce isomorphic transitions removed 335 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 331 transitions
Trivial Post-agglo rules discarded 331 transitions
Performed 331 trivial Post agglomeration. Transition count delta: 331
Iterating post reduction 1 with 15956 rules applied. Total rules applied 31247 place count 17886 transition count 37369
Reduce places removed 331 places and 0 transitions.
Ensure Unique test removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 98 transitions
Trivial Post-agglo rules discarded 98 transitions
Performed 98 trivial Post agglomeration. Transition count delta: 98
Iterating post reduction 2 with 529 rules applied. Total rules applied 31776 place count 17555 transition count 37171
Reduce places removed 98 places and 0 transitions.
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: 78
Iterating post reduction 3 with 176 rules applied. Total rules applied 31952 place count 17457 transition count 37093
Reduce places removed 78 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 86 rules applied. Total rules applied 32038 place count 17379 transition count 37085
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 32040 place count 17377 transition count 37085
Performed 218 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 218 Pre rules applied. Total rules applied 32040 place count 17377 transition count 36867
Deduced a syphon composed of 218 places in 2082 ms
Reduce places removed 218 places and 0 transitions.
Iterating global reduction 6 with 436 rules applied. Total rules applied 32476 place count 17159 transition count 36867
Discarding 4792 places :
Symmetric choice reduction at 6 with 4792 rule applications. Total rules 37268 place count 12367 transition count 32075
Iterating global reduction 6 with 4792 rules applied. Total rules applied 42060 place count 12367 transition count 32075
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 6 with 20 rules applied. Total rules applied 42080 place count 12367 transition count 32055
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 42087 place count 12362 transition count 32053
Performed 2099 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 2099 Pre rules applied. Total rules applied 42087 place count 12362 transition count 29954
Deduced a syphon composed of 2099 places in 1707 ms
Reduce places removed 2099 places and 0 transitions.
Iterating global reduction 8 with 4198 rules applied. Total rules applied 46285 place count 10263 transition count 29954
Discarding 223 places :
Symmetric choice reduction at 8 with 223 rule applications. Total rules 46508 place count 10040 transition count 25036
Iterating global reduction 8 with 223 rules applied. Total rules applied 46731 place count 10040 transition count 25036
Ensure Unique test removed 195 transitions
Reduce isomorphic transitions removed 195 transitions.
Iterating post reduction 8 with 195 rules applied. Total rules applied 46926 place count 10040 transition count 24841
Performed 2502 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 2502 places in 8 ms
Reduce places removed 2502 places and 0 transitions.
Iterating global reduction 9 with 5004 rules applied. Total rules applied 51930 place count 7538 transition count 22333
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 9 with 3 rules applied. Total rules applied 51933 place count 7538 transition count 22330
Renaming transitions due to excessive name length > 1024 char.
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 51937 place count 7534 transition count 21858
Iterating global reduction 10 with 4 rules applied. Total rules applied 51941 place count 7534 transition count 21858
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -812
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 52143 place count 7433 transition count 22670
Ensure Unique test removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 10 with 43 rules applied. Total rules applied 52186 place count 7433 transition count 22627
Discarding 43 places :
Symmetric choice reduction at 11 with 43 rule applications. Total rules 52229 place count 7390 transition count 21853
Iterating global reduction 11 with 43 rules applied. Total rules applied 52272 place count 7390 transition count 21853
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 39 transitions.
Iterating post reduction 11 with 39 rules applied. Total rules applied 52311 place count 7390 transition count 21814
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -801
Deduced a syphon composed of 101 places in 8 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 12 with 202 rules applied. Total rules applied 52513 place count 7289 transition count 22615
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 12 with 25 rules applied. Total rules applied 52538 place count 7289 transition count 22590
Discarding 24 places :
Symmetric choice reduction at 13 with 24 rule applications. Total rules 52562 place count 7265 transition count 22158
Iterating global reduction 13 with 24 rules applied. Total rules applied 52586 place count 7265 transition count 22158
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 13 with 23 rules applied. Total rules applied 52609 place count 7265 transition count 22135
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -785
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 14 with 202 rules applied. Total rules applied 52811 place count 7164 transition count 22920
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 14 with 35 rules applied. Total rules applied 52846 place count 7164 transition count 22885
Discarding 28 places :
Symmetric choice reduction at 15 with 28 rule applications. Total rules 52874 place count 7136 transition count 22381
Iterating global reduction 15 with 28 rules applied. Total rules applied 52902 place count 7136 transition count 22381
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 15 with 27 rules applied. Total rules applied 52929 place count 7136 transition count 22354
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: -744
Deduced a syphon composed of 89 places in 5 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 16 with 178 rules applied. Total rules applied 53107 place count 7047 transition count 23098
Drop transitions (Empty/Sink Transition effects.) removed 85 transitions
Reduce isomorphic transitions removed 85 transitions.
Iterating post reduction 16 with 85 rules applied. Total rules applied 53192 place count 7047 transition count 23013
Free-agglomeration rule applied 4224 times with reduction of 2108 identical transitions.
Iterating global reduction 17 with 4224 rules applied. Total rules applied 57416 place count 7047 transition count 16681
Reduce places removed 4224 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4780 transitions
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 4882 transitions.
Graph (complete) has 12717 edges and 2823 vertex of which 2755 are kept as prefixes of interest. Removing 68 places using SCC suffix rule.7 ms
Discarding 68 places :
Also discarding 22 output transitions
Drop transitions (Output transitions of discarded places.) removed 22 transitions
Iterating post reduction 17 with 9107 rules applied. Total rules applied 66523 place count 2755 transition count 11777
Drop transitions (Empty/Sink Transition effects.) removed 392 transitions
Reduce isomorphic transitions removed 392 transitions.
Iterating post reduction 18 with 392 rules applied. Total rules applied 66915 place count 2755 transition count 11385
Discarding 380 places :
Symmetric choice reduction at 19 with 380 rule applications. Total rules 67295 place count 2375 transition count 9905
Iterating global reduction 19 with 380 rules applied. Total rules applied 67675 place count 2375 transition count 9905
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 19 with 2 rules applied. Total rules applied 67677 place count 2375 transition count 9903
Drop transitions (Redundant composition of simpler transitions.) removed 183 transitions
Redundant transition composition rules discarded 183 transitions
Iterating global reduction 20 with 183 rules applied. Total rules applied 67860 place count 2375 transition count 9720
Discarding 18 places :
Symmetric choice reduction at 20 with 18 rule applications. Total rules 67878 place count 2357 transition count 9631
Iterating global reduction 20 with 18 rules applied. Total rules applied 67896 place count 2357 transition count 9631
Discarding 2 places :
Symmetric choice reduction at 20 with 2 rule applications. Total rules 67898 place count 2355 transition count 9437
Iterating global reduction 20 with 2 rules applied. Total rules applied 67900 place count 2355 transition count 9437
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 67902 place count 2355 transition count 9435
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 6 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 21 with 12 rules applied. Total rules applied 67914 place count 2349 transition count 9429
Discarding 1 places :
Symmetric choice reduction at 21 with 1 rule applications. Total rules 67915 place count 2348 transition count 9331
Iterating global reduction 21 with 1 rules applied. Total rules applied 67916 place count 2348 transition count 9331
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 67917 place count 2348 transition count 9330
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 22 with 8 rules applied. Total rules applied 67925 place count 2348 transition count 9322
Free-agglomeration rule applied 13 times.
Iterating global reduction 22 with 13 rules applied. Total rules applied 67938 place count 2348 transition count 9309
Reduce places removed 13 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 538 transitions
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 547 transitions.
Iterating post reduction 22 with 560 rules applied. Total rules applied 68498 place count 2335 transition count 8762
Drop transitions (Redundant composition of simpler transitions.) removed 78 transitions
Redundant transition composition rules discarded 78 transitions
Iterating global reduction 23 with 78 rules applied. Total rules applied 68576 place count 2335 transition count 8684
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 23 with 3 rules applied. Total rules applied 68579 place count 2332 transition count 8684
Discarding 24 places :
Symmetric choice reduction at 24 with 24 rule applications. Total rules 68603 place count 2308 transition count 8633
Iterating global reduction 24 with 24 rules applied. Total rules applied 68627 place count 2308 transition count 8633
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -21
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 24 with 6 rules applied. Total rules applied 68633 place count 2305 transition count 8654
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 24 with 17 rules applied. Total rules applied 68650 place count 2305 transition count 8637
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 25 with 10 rules applied. Total rules applied 68660 place count 2305 transition count 8637
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 25 with 3 rules applied. Total rules applied 68663 place count 2305 transition count 8634
Discarding 2 places :
Symmetric choice reduction at 25 with 2 rule applications. Total rules 68665 place count 2303 transition count 8632
Iterating global reduction 25 with 2 rules applied. Total rules applied 68667 place count 2303 transition count 8632
Discarding 2 places :
Symmetric choice reduction at 25 with 2 rule applications. Total rules 68669 place count 2301 transition count 8439
Iterating global reduction 25 with 2 rules applied. Total rules applied 68671 place count 2301 transition count 8439
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 25 with 2 rules applied. Total rules applied 68673 place count 2301 transition count 8437
Applied a total of 68673 rules in 31096 ms. Remains 2301 /35101 variables (removed 32800) and now considering 8437/55507 (removed 47070) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31107 ms. Remains : 2301/35101 places, 8437/55507 transitions.
RANDOM walk for 40000 steps (8 resets) in 2689 ms. (14 steps per ms) remains 2/13 properties
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 417 ms. (95 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 481 ms. (82 steps per ms) remains 2/2 properties
[2026-05-24 11:24:50] [INFO ] Flow matrix only has 1748 transitions (discarded 6689 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1908049969652918058.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10344579362696415380.kers'
[2026-05-24 11:24:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1908049969652918058.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10344579362696415380.kers]
Culling duplicate invariants (modulo rational): removing 1398 columns.
Culled 1398 columns in 6 ms.
// Phase 1: matrix 1748 rows 903 cols 8920 entries
Finished phase 1 with 594 SingleSign rule and 0 generalized
[2026-05-24 11:24:50] [INFO ] Computed 1707 invariants in 22 ms
Computed 1707 P flows in 23 ms.
Exported basis to /tmp/petrispot-output-10344579362696415380.kers
Total runtime 27 ms.
[2026-05-24 11:24:50] [INFO ] State equation strengthened by 524 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 299/375 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/375 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 576/951 variables, 261/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/951 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1348/2299 variables, 1348/1707 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2299 variables, 0/1707 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1746/4045 variables, 2299/4006 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4045 variables, 524/4530 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4045 variables, 0/4530 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/4047 variables, 1/4531 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4047 variables, 0/4531 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/4049 variables, 1/4532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/4049 variables, 0/4532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/4049 variables, 0/4532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4049/4049 variables, and 4532 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4141 ms.
Refiners :[Positive P Invariants (semi-flows): 359/359 constraints, Generalized P Invariants (flows): 1348/1348 constraints, State Equation: 2301/2301 constraints, ReadFeed: 524/524 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 299/375 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/375 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 576/951 variables, 261/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/951 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1348/2299 variables, 1348/1707 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2299 variables, 0/1707 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1746/4045 variables, 2299/4006 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4045 variables, 524/4530 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4045 variables, 2/4532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4045 variables, 0/4532 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/4047 variables, 1/4533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4047 variables, 0/4533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/4049 variables, 1/4534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/4049 variables, 0/4534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/4049 variables, 0/4534 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4049/4049 variables, and 4534 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6407 ms.
Refiners :[Positive P Invariants (semi-flows): 359/359 constraints, Generalized P Invariants (flows): 1348/1348 constraints, State Equation: 2301/2301 constraints, ReadFeed: 524/524 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10730ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 92 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=30 )
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-7b-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 23 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 79022 ms.

BK_STOP 1779621901239

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-7b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-7b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695600487"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-7b.tgz
mv DLCflexbar-PT-7b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;