fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r162-smll-177961107700182
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for JoinFreeModules-PT-0050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
571.176 11209.00 32818.00 138.30 TTFTTTTTFFFFFTTT 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.r162-smll-177961107700182.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 JoinFreeModules-PT-0050, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.2K Mar 7 15:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 15:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 15:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 15:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 15:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 7 15:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 152K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-00
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-01
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-02
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-03
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-04
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-05
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-06
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-07
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-08
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-09
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-10
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-11
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-12
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-13
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-14
FORMULA_NAME JoinFreeModules-PT-0050-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779741551997

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 20:39:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 20:39:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:39:14] [INFO ] Load time of PNML (sax parser for PT used): 210 ms
[2026-05-25 20:39:14] [INFO ] Transformed 251 places.
[2026-05-25 20:39:14] [INFO ] Transformed 401 transitions.
[2026-05-25 20:39:14] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 436 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 36 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 1 places and 0 transitions.
RANDOM walk for 40058 steps (8 resets) in 2025 ms. (19 steps per ms) remains 3/16 properties
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 845 ms. (47 steps per ms) remains 3/3 properties
[2026-05-25 20:39:15] [INFO ] Flatten gal took : 300 ms
[2026-05-25 20:39:15] [INFO ] Flatten gal took : 92 ms
BEST_FIRST walk for 40004 steps (8 resets) in 542 ms. (73 steps per ms) remains 3/3 properties
[2026-05-25 20:39:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3183575838475010593.gal : 53 ms
[2026-05-25 20:39:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3724499558504153025.prop : 11 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/ReachabilityCardinality3183575838475010593.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3724499558504153025.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 ...328
Loading property file /tmp/ReachabilityCardinality3724499558504153025.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 1432 ms. (27 steps per ms) remains 3/3 properties
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :246 after 761
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4695000050426316659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13170377369362719807.kers'
[2026-05-25 20:39:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4695000050426316659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13170377369362719807.kers]
Normalized transition count is 400 out of 401 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 250 cols 1000 entries
Finished phase 1 with 200 SingleSign rule and 0 generalized
[2026-05-25 20:39:16] [INFO ] Computed 50 invariants in 3 ms
Computed 50 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-13170377369362719807.kers
Total runtime 6 ms.
[2026-05-25 20:39:16] [INFO ] State equation strengthened by 50 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :761 after 1340
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1340 after 75946
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :75946 after 191677
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :191677 after 2.9833e+10
At refinement iteration 1 (OVERLAPS) 133/190 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 304/494 variables, 190/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 38/266 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/494 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/494 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2.9833e+10 after 2.30771e+16
After SMT solving in domain Real declared 494/651 variables, and 266 constraints, problems are : Problem set: 0 solved, 3 unsolved in 976 ms.
Refiners :[Positive P Invariants (semi-flows): 38/50 constraints, State Equation: 190/250 constraints, ReadFeed: 38/50 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 133/190 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2.30771e+16 after 1.30089e+31
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 304/494 variables, 190/246 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/494 variables, 38/284 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/494 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/494 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/494 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 494/651 variables, and 286 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2055 ms.
Refiners :[Positive P Invariants (semi-flows): 38/50 constraints, State Equation: 190/250 constraints, ReadFeed: 38/50 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3213ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-06 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 1538 steps, including 0 resets, run visited all 1 properties in 13 ms. (steps per millisecond=118 )
FORMULA JoinFreeModules-PT-0050-ReachabilityCardinality-2024-08 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 3935 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 9251 ms.

BK_STOP 1779741563206

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="JoinFreeModules-PT-0050"
export BK_EXAMINATION="ReachabilityCardinality"
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 JoinFreeModules-PT-0050, examination is ReachabilityCardinality"
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-177961107700182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;