fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r104-tall-177955698700313
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCflexbar-PT-8b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
5328.228 421266.00 960152.00 872.90 F normal

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.r104-tall-177955698700313.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-8b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698700313
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 6 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:21 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 20M 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779608906352

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-8b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 07:48:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 07:48:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:48:28] [INFO ] Load time of PNML (sax parser for PT used): 1095 ms
[2026-05-24 07:48:30] [INFO ] Transformed 47560 places.
[2026-05-24 07:48:30] [INFO ] Transformed 76160 transitions.
[2026-05-24 07:48:30] [INFO ] Found NUPN structural information;
[2026-05-24 07:48:34] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 6724 ms.
Graph (trivial) has 42550 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 101 ms
Free SCC test removed 2620 places
Structural test allowed to assert that 25830 places are NOT stable. Took 359 ms.
Ensure Unique test removed 2780 transitions
Reduce redundant transitions removed 2780 transitions.
RANDOM walk for 40000 steps (8 resets) in 6737 ms. (5 steps per ms) remains 20789/21730 properties
BEST_FIRST walk for 122 steps (8 resets) in 46 ms. (2 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 78 ms. (1 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 120 steps (8 resets) in 54 ms. (2 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 33 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 124 steps (8 resets) in 35 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 120 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 123 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 33 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 124 ms. (0 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 35 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 37 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 39 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 33 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 35 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 20789/20789 properties
BEST_FIRST walk for 122 steps (8 resets) in 36 ms. (3 steps per ms) remains 20789/20789 properties
[2026-05-24 07:48:56] [INFO ] Flatten gal took : 2465 ms
[2026-05-24 07:48:57] [INFO ] Flatten gal took : 1361 ms
[2026-05-24 07:48:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15193813446451339133.gal : 434 ms
[2026-05-24 07:48:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15423469663826674683.prop : 64 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/ReachabilityCardinality15193813446451339133.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15423469663826674683.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 ...330
Interrupted probabilistic random walk after 4372 steps, run timeout after 6113 ms. (steps per millisecond=0 ) properties seen :0 out of 20789
Probabilistic random walk after 4372 steps, saw 4280 distinct states, run finished after 6119 ms. (steps per millisecond=0 ) properties seen :0
[2026-05-24 07:49:01] [INFO ] Flow matrix only has 73201 transitions (discarded 179 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13795013627502283036.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9570565750958268436.kers'
[2026-05-24 07:49:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13795013627502283036.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9570565750958268436.kers]
Normalized transition count is 73200 out of 73201 initially.
Culled 0 columns in 56 ms.
// Phase 1: matrix 73200 rows 44940 cols 210579 entries
Loading property file /tmp/ReachabilityCardinality15423469663826674683.prop.
Finished phase 1 with 41900 SingleSign rule and 0 generalized
[2026-05-24 07:49:41] [INFO ] Computed 3040 invariants in 39887 ms
Computed 3040 P flows in 39889 ms.
Exported basis to /tmp/petrispot-output-9570565750958268436.kers
Total runtime 40030 ms.
[2026-05-24 07:49:43] [INFO ] State equation strengthened by 1 read => feed constraints.
SMT process timed out in 186577ms, After SMT, problems are : Problem set: 0 solved, 20789 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20789 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 7902 transitions
Trivial Post-agglo rules discarded 7902 transitions
Performed 7902 trivial Post agglomeration. Transition count delta: 7902
Iterating post reduction 0 with 8082 rules applied. Total rules applied 8082 place count 44940 transition count 65298
Reduce places removed 7902 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 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 7950 rules applied. Total rules applied 16032 place count 37038 transition count 65250
Reduce places removed 20 places and 0 transitions.
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Iterating post reduction 2 with 67 rules applied. Total rules applied 16099 place count 37018 transition count 65203
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 3 with 47 rules applied. Total rules applied 16146 place count 36971 transition count 65203
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 16 Pre rules applied. Total rules applied 16146 place count 36971 transition count 65187
Deduced a syphon composed of 16 places in 5290 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 4 with 32 rules applied. Total rules applied 16178 place count 36955 transition count 65187
Discarding 289 places :
Symmetric choice reduction at 4 with 289 rule applications. Total rules 16467 place count 36666 transition count 64898
Iterating global reduction 4 with 289 rules applied. Total rules applied 16756 place count 36666 transition count 64898
Performed 112 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 112 Pre rules applied. Total rules applied 16756 place count 36666 transition count 64786
Deduced a syphon composed of 112 places in 5600 ms
Reduce places removed 112 places and 0 transitions.
Iterating global reduction 4 with 224 rules applied. Total rules applied 16980 place count 36554 transition count 64786
Discarding 52 places :
Symmetric choice reduction at 4 with 52 rule applications. Total rules 17032 place count 36502 transition count 57038
Iterating global reduction 4 with 52 rules applied. Total rules applied 17084 place count 36502 transition count 57038
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 4 with 18 rules applied. Total rules applied 17102 place count 36502 transition count 57020
Performed 6020 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 6020 places in 28 ms
Reduce places removed 6020 places and 0 transitions.
Iterating global reduction 5 with 12040 rules applied. Total rules applied 29142 place count 30482 transition count 50997
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 29152 place count 30482 transition count 50987
Renaming transitions due to excessive name length > 1024 char.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 7 places in 21 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 6 with 14 rules applied. Total rules applied 29166 place count 30475 transition count 51010
Free-agglomeration rule applied 6522 times with reduction of 1488 identical transitions.
Iterating global reduction 6 with 6522 rules applied. Total rules applied 35688 place count 30475 transition count 43000
Reduce places removed 6522 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 196 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 6 with 6720 rules applied. Total rules applied 42408 place count 23953 transition count 42802
Discarding 56 places :
Symmetric choice reduction at 7 with 56 rule applications. Total rules 42464 place count 23897 transition count 42551
Iterating global reduction 7 with 56 rules applied. Total rules applied 42520 place count 23897 transition count 42551
Free-agglomeration rule (complex) applied 21 times.
Iterating global reduction 7 with 21 rules applied. Total rules applied 42541 place count 23897 transition count 45519
Reduce places removed 21 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 7 with 89 rules applied. Total rules applied 42630 place count 23876 transition count 45451
Discarding 12 places :
Symmetric choice reduction at 8 with 12 rule applications. Total rules 42642 place count 23864 transition count 43759
Iterating global reduction 8 with 12 rules applied. Total rules applied 42654 place count 23864 transition count 43759
Ensure Unique test removed 1576 transitions
Reduce isomorphic transitions removed 1576 transitions.
Iterating post reduction 8 with 1576 rules applied. Total rules applied 44230 place count 23864 transition count 42183
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 44232 place count 23864 transition count 42183
Applied a total of 44232 rules in 65843 ms. Remains 23864 /44940 variables (removed 21076) and now considering 42183/73380 (removed 31197) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65859 ms. Remains : 23864/44940 places, 42183/73380 transitions.
RANDOM walk for 643847 steps (0 resets) in 120004 ms. (5 steps per ms) remains 583/20789 properties
BEST_FIRST walk for 4004 steps (0 resets) in 268 ms. (14 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 206 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 227 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 219 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 222 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 219 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 195 ms. (20 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 227 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 221 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 220 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 217 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 205 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 234 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 276 ms. (14 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 260 ms. (15 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 214 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 250 ms. (15 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 328 ms. (12 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 245 ms. (16 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 208 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 217 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 240 ms. (16 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 219 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 224 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 216 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 214 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 221 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 223 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 217 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 220 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 196 ms. (20 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 218 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 203 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 216 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 221 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 221 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 218 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 226 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 218 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 223 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 197 ms. (20 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 202 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 196 ms. (20 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 222 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 227 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 226 ms. (17 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 210 ms. (18 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 201 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 207 ms. (19 steps per ms) remains 583/583 properties
BEST_FIRST walk for 4004 steps (0 resets) in 240 ms. (16 steps per ms) remains 583/583 properties
[2026-05-24 07:53:47] [INFO ] Flow matrix only has 40692 transitions (discarded 1491 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12176073904867799060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4800088218963011511.kers'
[2026-05-24 07:53:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12176073904867799060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4800088218963011511.kers]
Culling duplicate invariants (modulo rational): removing 34 columns.
Culled 34 columns in 38 ms.
// Phase 1: matrix 40692 rows 23830 cols 160788 entries
Finished phase 1 with 20880 SingleSign rule and 0 generalized
[2026-05-24 07:53:48] [INFO ] Computed 2984 invariants in 238 ms
Computed 2984 P flows in 239 ms.
Exported basis to /tmp/petrispot-output-4800088218963011511.kers
Total runtime 277 ms.
[2026-05-24 07:53:48] [INFO ] State equation strengthened by 2980 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/583 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1587/2170 variables, 318/318 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2170 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (OVERLAPS) 21694/23864 variables, 2666/2984 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 23864/64556 variables, and 2984 constraints, problems are : Problem set: 0 solved, 583 unsolved in 45039 ms.
Refiners :[Positive P Invariants (semi-flows): 2984/2984 constraints, State Equation: 0/23864 constraints, ReadFeed: 0/2980 constraints, PredecessorRefiner: 583/583 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 583 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/583 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1587/2170 variables, 318/318 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2170/64556 variables, and 318 constraints, problems are : Problem set: 0 solved, 583 unsolved in 45051 ms.
Refiners :[Positive P Invariants (semi-flows): 318/2984 constraints, State Equation: 0/23864 constraints, ReadFeed: 0/2980 constraints, PredecessorRefiner: 0/583 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92853ms problems are : Problem set: 0 solved, 583 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 583 out of 23864 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 23864/23864 places, 42183/42183 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12420 transitions
Trivial Post-agglo rules discarded 12420 transitions
Performed 12420 trivial Post agglomeration. Transition count delta: 12420
Iterating post reduction 0 with 12420 rules applied. Total rules applied 12420 place count 23864 transition count 29763
Reduce places removed 12420 places and 0 transitions.
Ensure Unique test removed 417 transitions
Reduce isomorphic transitions removed 417 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 412 transitions
Trivial Post-agglo rules discarded 412 transitions
Performed 412 trivial Post agglomeration. Transition count delta: 412
Iterating post reduction 1 with 13249 rules applied. Total rules applied 25669 place count 11444 transition count 28934
Reduce places removed 412 places and 0 transitions.
Ensure Unique test removed 135 transitions
Reduce isomorphic transitions removed 135 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 135 transitions
Trivial Post-agglo rules discarded 135 transitions
Performed 135 trivial Post agglomeration. Transition count delta: 135
Iterating post reduction 2 with 682 rules applied. Total rules applied 26351 place count 11032 transition count 28664
Reduce places removed 135 places and 0 transitions.
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Iterating post reduction 3 with 162 rules applied. Total rules applied 26513 place count 10897 transition count 28637
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 28 rules applied. Total rules applied 26541 place count 10870 transition count 28636
Performed 147 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 147 Pre rules applied. Total rules applied 26541 place count 10870 transition count 28489
Deduced a syphon composed of 147 places in 5 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 5 with 294 rules applied. Total rules applied 26835 place count 10723 transition count 28489
Discarding 3171 places :
Symmetric choice reduction at 5 with 3171 rule applications. Total rules 30006 place count 7552 transition count 25317
Iterating global reduction 5 with 3171 rules applied. Total rules applied 33177 place count 7552 transition count 25317
Ensure Unique test removed 4060 transitions
Reduce isomorphic transitions removed 4060 transitions.
Iterating post reduction 5 with 4060 rules applied. Total rules applied 37237 place count 7552 transition count 21257
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 7 Pre rules applied. Total rules applied 37237 place count 7552 transition count 21250
Deduced a syphon composed of 7 places in 5 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 6 with 14 rules applied. Total rules applied 37251 place count 7545 transition count 21250
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 37255 place count 7545 transition count 21246
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 37256 place count 7544 transition count 21103
Iterating global reduction 7 with 1 rules applied. Total rules applied 37257 place count 7544 transition count 21103
Ensure Unique test removed 145 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 7 with 145 rules applied. Total rules applied 37402 place count 7544 transition count 20958
Performed 3222 Post agglomeration using F-continuation condition with reduction of 1426 identical transitions.
Deduced a syphon composed of 3222 places in 4 ms
Reduce places removed 3222 places and 0 transitions.
Iterating global reduction 8 with 6444 rules applied. Total rules applied 43846 place count 4322 transition count 16310
Drop transitions (Empty/Sink Transition effects.) removed 6756 transitions
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 6816 transitions.
Graph (complete) has 12231 edges and 4322 vertex of which 2458 are kept as prefixes of interest. Removing 1864 places using SCC suffix rule.7 ms
Discarding 1864 places :
Also discarding 2956 output transitions
Drop transitions (Output transitions of discarded places.) removed 2956 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 8 with 6818 rules applied. Total rules applied 50664 place count 2458 transition count 6537
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1712 transitions
Reduce isomorphic transitions removed 1712 transitions.
Iterating post reduction 9 with 1713 rules applied. Total rules applied 52377 place count 2457 transition count 4825
Discarding 1256 places :
Symmetric choice reduction at 10 with 1256 rule applications. Total rules 53633 place count 1201 transition count 1678
Iterating global reduction 10 with 1256 rules applied. Total rules applied 54889 place count 1201 transition count 1678
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 10 with 16 rules applied. Total rules applied 54905 place count 1193 transition count 1670
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Graph (complete) has 2307 edges and 1193 vertex of which 1191 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 122 rules applied. Total rules applied 55027 place count 1191 transition count 1549
Discarding 27 places :
Symmetric choice reduction at 11 with 27 rule applications. Total rules 55054 place count 1164 transition count 1512
Iterating global reduction 11 with 27 rules applied. Total rules applied 55081 place count 1164 transition count 1512
Performed 37 Post agglomeration using F-continuation condition with reduction of 8 identical transitions.
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 11 with 74 rules applied. Total rules applied 55155 place count 1127 transition count 1652
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 158 transitions.
Iterating post reduction 11 with 158 rules applied. Total rules applied 55313 place count 1127 transition count 1494
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 55322 place count 1118 transition count 1461
Iterating global reduction 12 with 9 rules applied. Total rules applied 55331 place count 1118 transition count 1461
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 12 with 9 rules applied. Total rules applied 55340 place count 1118 transition count 1452
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -56
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 13 with 18 rules applied. Total rules applied 55358 place count 1109 transition count 1508
Drop transitions (Empty/Sink Transition effects.) removed 71 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 74 transitions.
Iterating post reduction 13 with 74 rules applied. Total rules applied 55432 place count 1109 transition count 1434
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 55447 place count 1109 transition count 1419
Free-agglomeration rule applied 7 times.
Iterating global reduction 14 with 7 rules applied. Total rules applied 55454 place count 1109 transition count 1412
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Iterating post reduction 14 with 112 rules applied. Total rules applied 55566 place count 1102 transition count 1307
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 55567 place count 1101 transition count 1306
Iterating global reduction 15 with 1 rules applied. Total rules applied 55568 place count 1101 transition count 1306
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 15 with 15 rules applied. Total rules applied 55583 place count 1101 transition count 1291
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 16 with 12 rules applied. Total rules applied 55595 place count 1095 transition count 1285
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Graph (complete) has 2010 edges and 1095 vertex of which 1089 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Iterating post reduction 16 with 91 rules applied. Total rules applied 55686 place count 1089 transition count 1195
Discarding 83 places :
Symmetric choice reduction at 17 with 83 rule applications. Total rules 55769 place count 1006 transition count 1059
Iterating global reduction 17 with 83 rules applied. Total rules applied 55852 place count 1006 transition count 1059
Applied a total of 55852 rules in 6183 ms. Remains 1006 /23864 variables (removed 22858) and now considering 1059/42183 (removed 41124) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6184 ms. Remains : 1006/23864 places, 1059/42183 transitions.
RANDOM walk for 15712 steps (0 resets) in 1898 ms. (8 steps per ms) remains 0/583 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
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 420001 ms.

BK_STOP 1779609327618

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="itstools"
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 2-5973"
echo " Executing tool itstools"
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 r104-tall-177955698700313"
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.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 ;