fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r152-tall-177961077600452
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for HexagonalGrid-PT-816

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2801.991 84529.00 123962.00 339.40 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-177961077600452.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 HexagonalGrid-PT-816, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077600452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 8.0K Mar 7 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 7 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 10:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 10:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 7 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 7 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Mar 7 13:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:48 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
-rwxr-xr-x 1 mcc users 2.6M 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 1779701569824

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HexagonalGrid-PT-816
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:32:50] [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 09:32:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:32:51] [INFO ] Load time of PNML (sax parser for PT used): 257 ms
[2026-05-25 09:32:51] [INFO ] Transformed 3391 places.
[2026-05-25 09:32:51] [INFO ] Transformed 6174 transitions.
[2026-05-25 09:32:51] [INFO ] Parsed PT model containing 3391 places and 6174 transitions and 24696 arcs in 392 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 114 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (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-16853192418602484550.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14347906343079448579.kers'
[2026-05-25 09:32:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16853192418602484550.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14347906343079448579.kers]
Culling duplicate invariants (modulo rational): removing 1104 columns.
Culled 1104 columns in 4 ms.
// Phase 1: matrix 6174 rows 2287 cols 18432 entries
Finished phase 1 with 2117 SingleSign rule and 0 generalized
[2026-05-25 09:32:51] [INFO ] Computed 1274 invariants in 45 ms
Computed 1274 P flows in 47 ms.
Exported basis to /tmp/petrispot-output-14347906343079448579.kers
Total runtime 52 ms.
[2026-05-25 09:32:54] [INFO ] Implicit Places using invariants in 3185 ms returned []
[2026-05-25 09:32:54] [INFO ] Invariant cache hit.
[2026-05-25 09:33:04] [INFO ] Implicit Places using invariants and state equation in 9815 ms returned []
Implicit Place search using SMT with State Equation took 13068 ms to find 0 implicit places.
Running 5160 sub problems to find dead transitions.
[2026-05-25 09:33:04] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30105 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1274 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1274 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64338ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64400ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 77661 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Discarding 4056 transitions out of 6174. Remains 2118
Initial state reduction rules removed 1014 formulas.
[2026-05-25 09:34:11] [INFO ] Flatten gal took : 1280 ms
[2026-05-25 09:34:12] [INFO ] Flatten gal took : 374 ms
[2026-05-25 09:34:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15563124126476322307.gal : 182 ms
[2026-05-25 09:34:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12774384909666507378.prop : 15 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/ReachabilityCardinality15563124126476322307.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12774384909666507378.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 ...330
Loading property file /tmp/ReachabilityCardinality12774384909666507378.prop.
RANDOM walk for 35842 steps (8 resets) in 18316 ms. (1 steps per ms) remains 0/1104 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2118 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 83281 ms.

BK_STOP 1779701654353

--------------------
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="HexagonalGrid-PT-816"
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 HexagonalGrid-PT-816, 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-177961077600452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HexagonalGrid-PT-816.tgz
mv HexagonalGrid-PT-816 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 ;