fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r194-tall-177969914000309
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for NoC3x3-PT-4A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
344.300 4806.00 8789.00 32.90 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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.r194-tall-177969914000309.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 NoC3x3-PT-4A, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914000309
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 7.5K Mar 8 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 8 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 8 06:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 8 06:35 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 16 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 8 06:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 8 06:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 8 06:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 8 06:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 16 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:14 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 144K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-00
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-01
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-02
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-03
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-04
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-05
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-06
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-07
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-08
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-09
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-10
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-11
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-12
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-13
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-14
FORMULA_NAME NoC3x3-PT-4A-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779749786912

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-4A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 22:56:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 22:56:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 22:56:28] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-25 22:56:28] [INFO ] Transformed 293 places.
[2026-05-25 22:56:28] [INFO ] Transformed 608 transitions.
[2026-05-25 22:56:28] [INFO ] Found NUPN structural information;
[2026-05-25 22:56:28] [INFO ] Parsed PT model containing 293 places and 608 transitions and 1905 arcs in 178 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Ensure Unique test removed 155 transitions
Reduce redundant transitions removed 155 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8023884530825835679.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11467028278437167399.kers'
[2026-05-25 22:56:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8023884530825835679.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11467028278437167399.kers]
Normalized transition count is 381 out of 453 initially.
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 381 rows 284 cols 1298 entries
Finished phase 1 with 227 SingleSign rule and 0 generalized
[2026-05-25 22:56:28] [INFO ] Computed 66 invariants in 1 ms
Computed 66 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11467028278437167399.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 80 ms. (123 steps per ms)
FORMULA NoC3x3-PT-4A-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-4A-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 22:56:28] [INFO ] Flow matrix only has 381 transitions (discarded 72 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3385798776746101115.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1537415533284998010.kers'
[2026-05-25 22:56:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3385798776746101115.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1537415533284998010.kers]
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 381 rows 284 cols 1298 entries
Finished phase 1 with 227 SingleSign rule and 0 generalized
[2026-05-25 22:56:28] [INFO ] Computed 66 invariants in 2 ms
Computed 66 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1537415533284998010.kers
Total runtime 3 ms.
[2026-05-25 22:56:28] [INFO ] [Real]Absence check using 66 positive place invariants in 20 ms returned sat
[2026-05-25 22:56:28] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-25 22:56:28] [INFO ] Computed and/alt/rep : 376/1924/352 causal constraints (skipped 28 transitions) in 33 ms.
[2026-05-25 22:56:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:56:29] [INFO ] [Nat]Absence check using 66 positive place invariants in 18 ms returned sat
[2026-05-25 22:56:29] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2026-05-25 22:56:29] [INFO ] Computed and/alt/rep : 376/1924/352 causal constraints (skipped 28 transitions) in 25 ms.
[2026-05-25 22:56:31] [INFO ] Added : 259 causal constraints over 53 iterations in 1923 ms. Result :sat
Minimization took 297 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
FORMULA NoC3x3-PT-4A-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
All properties solved without resorting to model-checking.
Total runtime 3618 ms.

BK_STOP 1779749791718

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="NoC3x3-PT-4A"
export BK_EXAMINATION="UpperBounds"
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 NoC3x3-PT-4A, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r194-tall-177969914000309"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-4A.tgz
mv NoC3x3-PT-4A execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;