fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r152-tall-177961077600482
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for HirschbergSinclair-PT-30

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
355.943 74933.00 86432.00 285.40 T 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.r152-tall-177961077600482.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 HirschbergSinclair-PT-30, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077600482
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 796K
-rw-r--r-- 1 mcc users 9.0K Mar 7 17:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 17:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 17:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 17:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.5K Mar 15 10:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 10:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 10:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 17:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 7 17:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Mar 7 17:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 17:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:50 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 357K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779701697251

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HirschbergSinclair-PT-30
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:34:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:34:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:34:58] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2026-05-25 09:34:58] [INFO ] Transformed 670 places.
[2026-05-25 09:34:58] [INFO ] Transformed 605 transitions.
[2026-05-25 09:34:58] [INFO ] Parsed PT model containing 670 places and 605 transitions and 1849 arcs in 186 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 670/670 places, 605/605 transitions.
Reduce places removed 30 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 270 transitions
Trivial Post-agglo rules discarded 270 transitions
Performed 270 trivial Post agglomeration. Transition count delta: 270
Iterating post reduction 0 with 300 rules applied. Total rules applied 300 place count 640 transition count 335
Reduce places removed 270 places and 0 transitions.
Iterating post reduction 1 with 270 rules applied. Total rules applied 570 place count 370 transition count 335
Applied a total of 570 rules in 60 ms. Remains 370 /670 variables (removed 300) and now considering 335/605 (removed 270) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-681967715494735711.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8695153645680050476.kers'
[2026-05-25 09:34:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-681967715494735711.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8695153645680050476.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 335 rows 370 cols 711 entries
Finished phase 1 with 330 SingleSign rule and 5 generalized
[2026-05-25 09:34:58] [INFO ] Computed 35 invariants in 3 ms
Computed 35 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8695153645680050476.kers
Total runtime 4 ms.
[2026-05-25 09:34:59] [INFO ] Implicit Places using invariants in 455 ms returned []
[2026-05-25 09:34:59] [INFO ] Invariant cache hit.
[2026-05-25 09:34:59] [INFO ] State equation strengthened by 270 read => feed constraints.
[2026-05-25 09:35:11] [INFO ] Implicit Places using invariants and state equation in 12427 ms returned []
Implicit Place search using SMT with State Equation took 12914 ms to find 0 implicit places.
Running 305 sub problems to find dead transitions.
[2026-05-25 09:35:11] [INFO ] Invariant cache hit.
[2026-05-25 09:35:11] [INFO ] State equation strengthened by 270 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/340 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/340 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 2 (OVERLAPS) 30/370 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/370 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 4 (OVERLAPS) 335/705 variables, 370/405 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/705 variables, 270/675 constraints. Problems are: Problem set: 0 solved, 305 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 705/705 variables, and 675 constraints, problems are : Problem set: 0 solved, 305 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 35/35 constraints, State Equation: 370/370 constraints, ReadFeed: 270/270 constraints, PredecessorRefiner: 305/305 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 305 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/340 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/340 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 2 (OVERLAPS) 30/370 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/370 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 4 (OVERLAPS) 335/705 variables, 370/405 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/705 variables, 270/675 constraints. Problems are: Problem set: 0 solved, 305 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 705/705 variables, and 980 constraints, problems are : Problem set: 0 solved, 305 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 35/35 constraints, State Equation: 370/370 constraints, ReadFeed: 270/270 constraints, PredecessorRefiner: 305/305 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60129ms problems are : Problem set: 0 solved, 305 unsolved
Search for dead transitions found 0 dead transitions in 60143ms
Starting structural reductions in LIVENESS mode, iteration 1 : 370/670 places, 335/605 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 73166 ms. Remains : 370/670 places, 335/605 transitions.
Initial state reduction rules removed 30 formulas.
RANDOM walk for 1635 steps (1 resets) in 313 ms. (5 steps per ms) remains 0/305 properties
[2026-05-25 09:36:12] [INFO ] Flatten gal took : 55 ms
[2026-05-25 09:36:12] [INFO ] Flatten gal took : 20 ms
[2026-05-25 09:36:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3721933099825092861.gal : 13 ms
[2026-05-25 09:36:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1452809204097864049.prop : 1 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/ReachabilityCardinality3721933099825092861.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1452809204097864049.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

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
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 335 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 73773 ms.

BK_STOP 1779701772184

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="HirschbergSinclair-PT-30"
export BK_EXAMINATION="QuasiLiveness"
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 HirschbergSinclair-PT-30, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r152-tall-177961077600482"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-30.tgz
mv HirschbergSinclair-PT-30 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;