fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r162-smll-177961107900384
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LamportFastMutEx-COL-7

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16205.123 3600000.00 3376487.00 100731.30 [undef] Time out reached

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.r162-smll-177961107900384.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)
.......................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is LamportFastMutEx-COL-7, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900384
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 5.9K Mar 7 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 7 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 43K Mar 3 18:30 model.pnml

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

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

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779861752000

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-7
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
StateSpace COL
Running Version 202604301425
[2026-05-27 06:02:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 06:02:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 06:02:34] [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.
[2026-05-27 06:02:35] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 06:02:36] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1346 ms
[2026-05-27 06:02:36] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 264 PT places and 672.0 transition bindings in 39 ms.
[2026-05-27 06:02:36] [INFO ] Unfolded HLPN to a Petri net with 264 places and 536 transitions 2352 arcs in 77 ms.
[2026-05-27 06:02:36] [INFO ] Unfolded 0 HLPN properties in 0 ms.
Deduced a syphon composed of 45 places in 5 ms
Reduce places removed 45 places and 74 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 219/219 places, 462/462 transitions.
[2026-05-27 06:02:36] [INFO ] Redundant transitions in 49 ms returned []
Running 455 sub problems to find dead transitions.
[2026-05-27 06:02:36] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14160649852996052438.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11762767124448724069.kers'
[2026-05-27 06:02:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14160649852996052438.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11762767124448724069.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 336 rows 212 cols 1092 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-27 06:02:37] [INFO ] Computed 65 invariants in 3 ms
Computed 65 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-11762767124448724069.kers
Total runtime 5 ms.
[2026-05-27 06:02:37] [INFO ] State equation strengthened by 91 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 455 unsolved
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD209 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/219 variables, 20/85 constraints. Problems are: Problem set: 22 solved, 433 unsolved
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD252 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD254 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD256 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD258 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 20/105 constraints. Problems are: Problem set: 41 solved, 414 unsolved
Problem TDEAD203 is UNSAT
Problem TDEAD203 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/219 variables, 20/125 constraints. Problems are: Problem set: 42 solved, 413 unsolved
SMT process timed out in 30741ms, After SMT, problems are : Problem set: 42 solved, 413 unsolved
Search for dead transitions found 42 dead transitions in 30789ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) removed 42 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 219/219 places, 420/462 transitions.
[2026-05-27 06:03:07] [INFO ] Redundant transitions in 15 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 31277 ms. Remains : 219/219 places, 420/462 transitions.
Final net has 219 places and 420 transitions.
[2026-05-27 06:03:08] [INFO ] Flatten gal took : 166 ms
[2026-05-27 06:03:08] [INFO ] Applying decomposition
[2026-05-27 06:03:08] [INFO ] Flatten gal took : 89 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph16899541287064021753.txt' '-o' '/tmp/graph16899541287064021753.bin' '-w' '/tmp/graph16899541287064021753.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16899541287064021753.bin' '-l' '-1' '-v' '-w' '/tmp/graph16899541287064021753.weights' '-q' '0' '-e' '0.001'
[2026-05-27 06:03:08] [INFO ] Decomposing Gal with order
[2026-05-27 06:03:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 06:03:08] [INFO ] Removed a total of 657 redundant transitions.
[2026-05-27 06:03:08] [INFO ] Flatten gal took : 150 ms
[2026-05-27 06:03:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 37 labels/synchronizations in 24 ms.
[2026-05-27 06:03:08] [INFO ] Time to serialize gal into /tmp/StateSpace10051409914216158918.gal : 21 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/StateSpace10051409914216158918.gal' '-t' 'CGAL' '--stats'

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 ...220
Detected timeout of ITS tools.
[2026-05-27 06:23:20] [INFO ] Applying decomposition
[2026-05-27 06:23:20] [INFO ] Flatten gal took : 42 ms
[2026-05-27 06:23:20] [INFO ] Decomposing Gal with order
[2026-05-27 06:23:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 06:23:21] [INFO ] Removed a total of 675 redundant transitions.
[2026-05-27 06:23:21] [INFO ] Flatten gal took : 83 ms
[2026-05-27 06:23:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 28 labels/synchronizations in 18 ms.
[2026-05-27 06:23:21] [INFO ] Time to serialize gal into /tmp/StateSpace4772122848134619200.gal : 10 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/StateSpace4772122848134619200.gal' '-t' 'CGAL' '--stats'

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 ...219
Detected timeout of ITS tools.
[2026-05-27 06:43:36] [INFO ] Flatten gal took : 1209 ms
[2026-05-27 06:43:39] [INFO ] Input system was already deterministic with 420 transitions.
[2026-05-27 06:43:39] [INFO ] Transformed 219 places.
[2026-05-27 06:43:39] [INFO ] Transformed 420 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-27 06:43:39] [INFO ] Time to serialize gal into /tmp/StateSpace18358971607822803016.gal : 19 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/StateSpace18358971607822803016.gal' '-t' 'CGAL' '--stats' '--load-order' '/home/mcc/execution/model.ord' '--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 ...286
Successfully loaded order from file /home/mcc/execution/model.ord

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -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
++ 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 StateSpace -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="LamportFastMutEx-COL-7"
export BK_EXAMINATION="StateSpace"
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 LamportFastMutEx-COL-7, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107900384"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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