fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695600440
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCflexbar-PT-4b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16204.796 3600000.00 2597542.00 642501.50 [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.r098-tall-177955695600440.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 DLCflexbar-PT-4b, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600440
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 8.5K Mar 6 15:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 15:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K 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 3.7K Mar 15 09:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 6 15:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 15:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 15:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:18 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 4.1M 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 1779612801966

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-4b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-24 08:53:23] [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]
[2026-05-24 08:53:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:53:23] [INFO ] Load time of PNML (sax parser for PT used): 473 ms
[2026-05-24 08:53:23] [INFO ] Transformed 11440 places.
[2026-05-24 08:53:23] [INFO ] Transformed 17128 transitions.
[2026-05-24 08:53:23] [INFO ] Found NUPN structural information;
[2026-05-24 08:53:24] [INFO ] Parsed PT model containing 11440 places and 17128 transitions and 46731 arcs in 979 ms.
Starting structural reductions in STATESPACE mode, iteration 0 : 11440/11440 places, 17128/17128 transitions.
Running 17127 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-554192883475495854.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14575945236018504011.kers'
[2026-05-24 08:53:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-554192883475495854.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14575945236018504011.kers]
Culled 0 columns in 10 ms.
// Phase 1: matrix 17128 rows 11440 cols 46731 entries
Finished phase 1 with 10832 SingleSign rule and 0 generalized
[2026-05-24 08:53:25] [INFO ] Computed 608 invariants in 411 ms
Computed 608 P flows in 413 ms.
Exported basis to /tmp/petrispot-output-14575945236018504011.kers
Total runtime 436 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/11439 variables, 11439/11439 constraints. Problems are: Problem set: 0 solved, 17127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 11439/28568 variables, and 11439 constraints, problems are : Problem set: 0 solved, 17127 unsolved in 30324 ms.
Refiners :[Domain max(s): 11439/11440 constraints, Positive P Invariants (semi-flows): 0/608 constraints, State Equation: 0/11440 constraints, PredecessorRefiner: 17127/17127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11439 variables, 11439/11439 constraints. Problems are: Problem set: 0 solved, 17127 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 11439/28568 variables, and 11439 constraints, problems are : Problem set: 0 solved, 17127 unsolved in 30215 ms.
Refiners :[Domain max(s): 11439/11440 constraints, Positive P Invariants (semi-flows): 0/608 constraints, State Equation: 0/11440 constraints, PredecessorRefiner: 0/17127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 88832ms problems are : Problem set: 0 solved, 17127 unsolved
Search for dead transitions found 0 dead transitions in 88931ms
Finished structural reductions in STATESPACE mode , in 1 iterations and 89142 ms. Remains : 11440/11440 places, 17128/17128 transitions.
Final net has 11440 places and 17128 transitions.
[2026-05-24 08:54:55] [INFO ] Flatten gal took : 578 ms
[2026-05-24 08:54:55] [INFO ] Applying decomposition
[2026-05-24 08:54:55] [INFO ] Flatten gal took : 271 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/graph13148675969038875427.txt' '-o' '/tmp/graph13148675969038875427.bin' '-w' '/tmp/graph13148675969038875427.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13148675969038875427.bin' '-l' '-1' '-v' '-w' '/tmp/graph13148675969038875427.weights' '-q' '0' '-e' '0.001'
[2026-05-24 08:54:56] [INFO ] Decomposing Gal with order
[2026-05-24 08:54:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 08:55:10] [INFO ] Removed a total of 12256 redundant transitions.
[2026-05-24 08:55:10] [INFO ] Flatten gal took : 860 ms
[2026-05-24 08:55:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 344 labels/synchronizations in 222 ms.
[2026-05-24 08:55:11] [INFO ] Time to serialize gal into /tmp/StateSpace13724035207809161782.gal : 142 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/StateSpace13724035207809161782.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.
[2026-05-24 09:15:49] [INFO ] Applying decomposition
[2026-05-24 09:15:58] [INFO ] Flatten gal took : 9378 ms
[2026-05-24 09:16:00] [INFO ] Decomposing Gal with order
[2026-05-24 09:16:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 09:16:54] [INFO ] Removed a total of 10322 redundant transitions.
[2026-05-24 09:16:54] [INFO ] Flatten gal took : 418 ms
[2026-05-24 09:18:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 314831 labels/synchronizations in 91741 ms.
[2026-05-24 09:18:33] [INFO ] Time to serialize gal into /tmp/StateSpace6403859927334543816.gal : 254 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/StateSpace6403859927334543816.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.
[2026-05-24 09:39:16] [INFO ] Flatten gal took : 2313 ms
[2026-05-24 09:39:33] [INFO ] Input system was already deterministic with 17128 transitions.
[2026-05-24 09:39:33] [INFO ] Transformed 11440 places.
[2026-05-24 09:39:33] [INFO ] Transformed 17128 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
[2026-05-24 09:39:45] [INFO ] Time to serialize gal into /tmp/StateSpace12062173730065280082.gal : 165 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/StateSpace12062173730065280082.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="DLCflexbar-PT-4b"
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 DLCflexbar-PT-4b, 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 r098-tall-177955695600440"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-4b.tgz
mv DLCflexbar-PT-4b 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 ;