fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r354-tall-178024402800070
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LastZero-COL-N24

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
279.199 2598.00 5217.00 48.20 TTTFFFFTFTTTTTTT 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.r354-tall-178024402800070.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 LastZero-COL-N24, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800070
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 8.5K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 27 10:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 27 10:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 27 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 27 10:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_pt
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 5 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 44K Jun 10 17:28 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 LastZero-COL-N24-ReachabilityCardinality-2024-00
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-01
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-02
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-03
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-04
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-05
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-06
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-07
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-08
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-09
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-10
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-11
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-12
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-13
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-14
FORMULA_NAME LastZero-COL-N24-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1781120314960

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-COL-N24
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityCardinality COL
Running Version 202604301425
[2026-06-10 19:38:36] [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]
[2026-06-10 19:38:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:38:36] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-06-10 19:38:36] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:38:36] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 537 ms
[2026-06-10 19:38:36] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 1300 PT places and 16875.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 24 ms.
Working with output stream class java.io.PrintStream
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:38:36] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 5 ms.
[2026-06-10 19:38:36] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 15 properties that can be checked using skeleton over-approximation.
Initial state reduction rules removed 8 formulas.
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Reduce places removed 2 places and 0 transitions.
[2026-06-10 19:38:36] [INFO ] Flatten gal took : 11 ms
[2026-06-10 19:38:36] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 40084 steps (784 resets) in 196 ms. (203 steps per ms) remains 2/2 properties
[2026-06-10 19:38:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality788204189259456511.gal : 16 ms
[2026-06-10 19:38:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18170418472066972972.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/ReachabilityCardinality788204189259456511.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18170418472066972972.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (284 resets) in 270 ms. (147 steps per ms) remains 2/2 properties

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/ReachabilityCardinality18170418472066972972.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :6 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :25 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :90 after 100
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :269 after 276
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,325,0.02165,4128,2,27,13,1117,7,0,15,1665,0
Total reachable state count : 325

Verifying 2 reachability properties.
Reachability property LastZero-COL-N24-ReachabilityCardinality-2024-06 does not hold.
No reachable states exhibit your property : LastZero-COL-N24-ReachabilityCardinality-2024-06

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-COL-N24-ReachabilityCardinality-2024-06,0,0.021942,4204,1,0,13,1117,7,0,17,1665,0
Invariant property LastZero-COL-N24-ReachabilityCardinality-2024-14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-COL-N24-ReachabilityCardinality-2024-14,0,0.02227,4392,1,0,13,1117,7,0,17,1665,0
BEST_FIRST walk for 40000 steps (420 resets) in 268 ms. (148 steps per ms) remains 2/2 properties
Probably explored full state space saw : 325 states, properties seen :0
Probabilistic random walk after 1250 steps, saw 325 distinct states, run finished after 19 ms. (steps per millisecond=65 ) properties seen :0
Explored full state space saw : 325 states, properties seen :0
Exhaustive walk after 1250 steps, saw 325 distinct states, run finished after 5 ms. (steps per millisecond=250 ) properties seen :0
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-06-10 19:38:37] [INFO ] Flatten gal took : 1 ms
[2026-06-10 19:38:37] [INFO ] Flatten gal took : 0 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-06-10 19:38:37] [INFO ] Flatten gal took : 2 ms
[2026-06-10 19:38:37] [INFO ] Flatten gal took : 0 ms
[2026-06-10 19:38:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13954168954055744740.gal : 1 ms
[2026-06-10 19:38:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15709480836509924899.prop : 0 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/ReachabilityCardinality13954168954055744740.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15709480836509924899.prop' '--nowitness' '--gen-order' 'FOLLOW'
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )

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/ReachabilityCardinality15709480836509924899.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.001887,3848,2,7,6,38,5,0,11,33,0
Total reachable state count : 9

ITS runner timed out or was interrupted.
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-02 TRUE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-05 FALSE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-06 FALSE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-08 FALSE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-12 TRUE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-13 TRUE TECHNIQUES CPN_APPROX
FORMULA LastZero-COL-N24-ReachabilityCardinality-2024-14 TRUE TECHNIQUES CPN_APPROX
Domain [ID(25), ID(25)] of place array breaks symmetries in sort ID
[2026-06-10 19:38:37] [INFO ] Unfolded HLPN to a Petri net with 1300 places and 16777 transitions 51483 arcs in 146 ms.
[2026-06-10 19:38:37] [INFO ] Unfolded 7 HLPN properties in 1 ms.
Deduced a syphon composed of 626 places in 66 ms
Reduce places removed 626 places and 10977 transitions.
Reduce places removed 1 places and 0 transitions.
All properties solved without resorting to model-checking.
Total runtime 1419 ms.

BK_STOP 1781120317558

--------------------
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="LastZero-COL-N24"
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 LastZero-COL-N24, 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 r354-tall-178024402800070"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N24.tgz
mv LastZero-COL-N24 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 ;