fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993700336
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DES-PT-02a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
314.783 40822.00 52675.00 384.70 4.9532E+0009 ? 1 51 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.r082-smll-177946993700336.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 DES-PT-02a, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700336
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 18:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 18:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 18:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 6 18:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 18:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 18:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 33K 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 1779654143485

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-02a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-24 20:22:25] [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 20:22:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:22:26] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2026-05-24 20:22:26] [INFO ] Transformed 123 places.
[2026-05-24 20:22:26] [INFO ] Transformed 80 transitions.
[2026-05-24 20:22:26] [INFO ] Found NUPN structural information;
[2026-05-24 20:22:26] [INFO ] Parsed PT model containing 123 places and 80 transitions and 400 arcs in 253 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 123/123 places, 66/66 transitions.
[2026-05-24 20:22:26] [INFO ] Redundant transitions in 2 ms returned []
Running 65 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-1341602088991748100.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3128142783494919106.kers'
[2026-05-24 20:22:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1341602088991748100.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3128142783494919106.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 66 rows 122 cols 333 entries
Finished phase 1 with 18 SingleSign rule and 46 generalized
[2026-05-24 20:22:26] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3128142783494919106.kers
Total runtime 3 ms.
[2026-05-24 20:22:26] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 16/138 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/123 variables, 35/173 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 8/182 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 66/189 variables, 123/305 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (OVERLAPS) 0/189 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (OVERLAPS) 0/189 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 309 constraints, problems are : Problem set: 0 solved, 65 unsolved in 6869 ms.
Refiners :[Domain max(s): 123/123 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 123/123 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 16/138 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/123 variables, 35/173 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 8/182 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (OVERLAPS) 66/189 variables, 123/309 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 65/375 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (OVERLAPS) 0/189 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 375 constraints, problems are : Problem set: 0 solved, 65 unsolved in 30006 ms.
Refiners :[Domain max(s): 123/123 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 123/123 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37051ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 37067ms
Finished structural reductions in STATESPACE mode , in 1 iterations and 37251 ms. Remains : 123/123 places, 66/66 transitions.
Final net has 123 places and 66 transitions.
[2026-05-24 20:23:03] [INFO ] Flatten gal took : 63 ms
[2026-05-24 20:23:03] [INFO ] Applying decomposition
[2026-05-24 20:23:03] [INFO ] Flatten gal took : 22 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/graph14185161505171892197.txt' '-o' '/tmp/graph14185161505171892197.bin' '-w' '/tmp/graph14185161505171892197.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14185161505171892197.bin' '-l' '-1' '-v' '-w' '/tmp/graph14185161505171892197.weights' '-q' '0' '-e' '0.001'
[2026-05-24 20:23:03] [INFO ] Decomposing Gal with order
[2026-05-24 20:23:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 20:23:03] [INFO ] Removed a total of 16 redundant transitions.
[2026-05-24 20:23:04] [INFO ] Flatten gal took : 94 ms
[2026-05-24 20:23:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 10 ms.
[2026-05-24 20:23:04] [INFO ] Time to serialize gal into /tmp/StateSpace4464717292057825079.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/StateSpace4464717292057825079.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
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.95322e+09,0.114686,7188,910,88,6923,378,273,9890,74,775,0
Total reachable state count : 4953223116

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 51
STATE_SPACE MAX_TOKEN_PER_MARKING 51 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 4953223116
STATE_SPACE STATES 4953223116 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 38373 ms.

BK_STOP 1779654184307

--------------------
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="DES-PT-02a"
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 DES-PT-02a, 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 r082-smll-177946993700336"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-02a.tgz
mv DES-PT-02a 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 ;