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.r136-smll-177955810900027.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 FamilyReunion-COL-L00400M0040C020P020G001, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955810900027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.9K Mar 6 06:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 06:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 06:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 06:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Mar 6 07:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 07:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 07:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 07:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 24 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 159K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779608218795

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FamilyReunion-COL-L00400M0040C020P020G001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202604301425
[2026-05-24 07:37:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 07:37:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:37:01] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-24 07:37:01] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 07:37:02] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1205 ms
[2026-05-24 07:37:02] [INFO ] Detected 5 constant HL places corresponding to 106 PT places.
[2026-05-24 07:37:02] [INFO ] Imported 104 HL places and 66 HL transitions for a total of 538109 PT places and 508890.0 transition bindings in 94 ms.
[2026-05-24 07:37:05] [INFO ] Unfolded HLPN to a Petri net with 538109 places and 508489 transitions 1457677 arcs in 2339 ms.
[2026-05-24 07:37:05] [INFO ] Unfolded 66 HLPN properties in 54 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-24 07:37:05] [INFO ] Reduced 16040 identical enabling conditions.
[2026-05-24 07:37:05] [INFO ] Reduced 8020 identical enabling conditions.
[2026-05-24 07:37:05] [INFO ] Reduced 4411 identical enabling conditions.
[2026-05-24 07:37:05] [INFO ] Reduced 8020 identical enabling conditions.
[2026-05-24 07:37:05] [INFO ] Reduced 8020 identical enabling conditions.
Deduced a syphon composed of 401 places in 2267 ms
Reduce places removed 507 places and 0 transitions.
[2026-05-24 07:37:43] [INFO ] Flatten gal took : 22962 ms
RANDOM walk for 2433 steps (0 resets) in 120100 ms. (0 steps per ms) remains 59/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1459 ms. (2 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1248 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1207 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3006 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5834 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1593 ms. (2 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5706 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12524 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3340 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1573 ms. (2 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4586 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5911 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11910 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2702 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4241 ms. (0 steps per ms) remains 59/59 properties
[2026-05-24 07:38:05] [INFO ] Flatten gal took : 21580 ms
BEST_FIRST walk for 4004 steps (8 resets) in 10521 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3283 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1673 ms. (2 steps per ms) remains 59/59 properties
[2026-05-24 07:38:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13698234142636502700.gal : 3265 ms
BEST_FIRST walk for 4004 steps (8 resets) in 4208 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 883 ms. (4 steps per ms) remains 59/59 properties
[2026-05-24 07:38:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14513385461846472739.prop : 817 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/ReachabilityCardinality13698234142636502700.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14513385461846472739.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
BEST_FIRST walk for 4004 steps (8 resets) in 10729 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4039 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2861 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9376 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1767 ms. (2 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1253 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 916 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1010 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1323 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10026 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 992 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3951 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 961 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4249 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 941 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11555 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 948 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 988 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2736 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5015 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 980 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 973 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1118 ms. (3 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2441 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3258 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3046 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6517 ms. (0 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2895 ms. (1 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 857 ms. (4 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3202 ms. (1 steps per ms) remains 59/59 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12633792915682165932.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15893194714006145974.kers'
[2026-05-24 07:38:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12633792915682165932.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15893194714006145974.kers]
Culled 0 columns in 1244 ms.
// Phase 1: matrix 508489 rows 537602 cols 1457677 entries
PetriSpot timed out after 120 s (PFLOWS)
Excessive predecessor constraint size, skipping predecessor.
SMT process timed out in 214806ms, After SMT, problems are : Problem set: 0 solved, 59 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 436414 out of 537602 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 537602/537602 places, 508489/508489 transitions.
Graph (complete) has 892668 edges and 537602 vertex of which 536263 are kept as prefixes of interest. Removing 1339 places using SCC suffix rule.1823 ms
Discarding 1339 places :
Also discarding 0 output transitions
Discarding 16441 places :
Implicit places reduction removed 16441 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 16441 transitions
Trivial Post-agglo rules discarded 16441 transitions
Performed 16441 trivial Post agglomeration. Transition count delta: 16441
Iterating post reduction 0 with 32882 rules applied. Total rules applied 32883 place count 519822 transition count 492048
Reduce places removed 16441 places and 0 transitions.
Iterating post reduction 1 with 16441 rules applied. Total rules applied 49324 place count 503381 transition count 492048
Detected timeout of ITS tools.
[2026-05-24 07:48:36] [INFO ] Flatten gal took : 16722 ms
[2026-05-24 07:48:36] [INFO ] Applying decomposition
[2026-05-24 07:48:51] [INFO ] Flatten gal took : 15383 ms
Louvain graph construction failed due to OOM.
[2026-05-24 08:04:05] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.lang.NullPointerException: Cannot invoke "Object.toString()" because "this.order" is null
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:131)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:714)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:71)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-24 08:04:40] [INFO ] Flatten gal took : 34337 ms
[2026-05-24 08:04:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17748228543242489228.gal : 2902 ms
[2026-05-24 08:04:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10201184034654934217.prop : 567 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/ReachabilityCardinality17748228543242489228.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10201184034654934217.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 1663580 ms.
Its-tools:
An error has occurred. See the log file
/home/mcc/BenchKit/itstools/itstools/configuration/1779608219830.log.

BK_STOP 1779609889420

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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
++ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
Its-tools: Cannot open display:

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="FamilyReunion-COL-L00400M0040C020P020G001"
export BK_EXAMINATION="QuasiLiveness"
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 FamilyReunion-COL-L00400M0040C020P020G001, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r136-smll-177955810900027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-COL-L00400M0040C020P020G001.tgz
mv FamilyReunion-COL-L00400M0040C020P020G001 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;