fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r072-tall-177946970500489
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CSRepetitions-PT-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1905.252 65772.00 89090.00 204.50 F 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.r072-tall-177946970500489.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 CSRepetitions-PT-10, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970500489
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 19M
-rw-r--r-- 1 mcc users 630K Mar 6 18:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.2M Mar 6 18:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 524K Mar 6 18:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.1M Mar 6 18:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 180K Mar 15 08:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 451K Mar 15 08:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 220K Mar 15 08:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 691K Mar 15 08:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 680K Mar 6 18:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.4M Mar 6 18:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Mar 6 18:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 5.9M Mar 6 18:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 34K Mar 15 08:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 67K Mar 15 08:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 1.2M 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

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779524452310

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CSRepetitions-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-23 08:20:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 08:20:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:20:53] [INFO ] Load time of PNML (sax parser for PT used): 154 ms
[2026-05-23 08:20:53] [INFO ] Transformed 1311 places.
[2026-05-23 08:20:53] [INFO ] Transformed 2300 transitions.
[2026-05-23 08:20:53] [INFO ] Parsed PT model containing 1311 places and 2300 transitions and 8700 arcs in 260 ms.
Discarding 100 transitions out of 2300. Remains 2200
Built sparse matrix representations for Structural reductions in 12 ms.16261KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1311/1311 places, 2300/2300 transitions.
Computed a total of 0 stabilizing places and 100 stable transitions
Computed a total of 0 stabilizing places and 100 stable transitions
Computed a total of 0 stabilizing places and 100 stable transitions
Applied a total of 0 rules in 126 ms. Remains 1311 /1311 variables (removed 0) and now considering 2300/2300 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 137 ms. Remains : 1311/1311 places, 2300/2300 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1311/1311 places, 2300/2300 transitions.
Computed a total of 0 stabilizing places and 100 stable transitions
Computed a total of 0 stabilizing places and 100 stable transitions
Computed a total of 0 stabilizing places and 100 stable transitions
Applied a total of 0 rules in 94 ms. Remains 1311 /1311 variables (removed 0) and now considering 2300/2300 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15799953946418001095.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7196150065684094451.kers'
[2026-05-23 08:20:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15799953946418001095.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7196150065684094451.kers]
Culling duplicate invariants (modulo rational): removing 100 columns.
Culled 100 columns in 1 ms.
// Phase 1: matrix 2300 rows 1211 cols 7400 entries
Finished phase 1 with 1201 SingleSign rule and 0 generalized
[2026-05-23 08:20:54] [INFO ] Computed 110 invariants in 11 ms
Computed 110 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-7196150065684094451.kers
Total runtime 15 ms.
[2026-05-23 08:20:54] [INFO ] Implicit Places using invariants in 420 ms returned []
[2026-05-23 08:20:54] [INFO ] Invariant cache hit.
[2026-05-23 08:20:55] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 08:20:55] [INFO ] Implicit Places using invariants and state equation in 831 ms returned []
Implicit Place search using SMT with State Equation took 1294 ms to find 0 implicit places.
[2026-05-23 08:20:55] [INFO ] Redundant transitions in 164 ms returned []
Running 2200 sub problems to find dead transitions.
[2026-05-23 08:20:55] [INFO ] Invariant cache hit.
[2026-05-23 08:20:55] [INFO ] State equation strengthened by 100 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1211 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1211/3611 variables, and 10 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 10/110 constraints, State Equation: 0/1311 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2200/2100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1211 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1211/3611 variables, and 10 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 10/110 constraints, State Equation: 0/1311 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 100/2100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62248ms problems are : Problem set: 0 solved, 2200 unsolved
Search for dead transitions found 0 dead transitions in 62275ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 63871 ms. Remains : 1311/1311 places, 2300/2300 transitions.
Finished random walk after 166 steps, including 0 resets, run found a deadlock after 6 ms. (steps per millisecond=27 )
FORMULA Liveness FALSE TECHNIQUES STRUCTURAL DEADLOCK_TEST
Total runtime 64537 ms.

BK_STOP 1779524518082

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CSRepetitions-PT-10"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 CSRepetitions-PT-10, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-177946970500489"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CSRepetitions-PT-10.tgz
mv CSRepetitions-PT-10 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;