fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r018-smll-177946788000190
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BART-COL-020

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
313.796 5993.00 12246.00 243.60 TFTFTFFTTFFFTTFF 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.r018-smll-177946788000190.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BART-COL-020, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788000190
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 6.8K Mar 5 09:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 5 09:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 5 09:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 09:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 07:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 09:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 5 09:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 09:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 5 09:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 195K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-00
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-01
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-02
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-03
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-04
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-05
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-06
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-07
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-08
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-09
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-10
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-11
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-12
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-13
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-14
FORMULA_NAME BART-COL-020-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779537284987

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BART-COL-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityCardinality COL
Running Version 202604301425
[2026-05-23 11:54:47] [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]
[2026-05-23 11:54:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 11:54:47] [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.
[2026-05-23 11:54:48] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 11:54:49] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1522 ms
[2026-05-23 11:54:49] [INFO ] Detected 3 constant HL places corresponding to 10373 PT places.
[2026-05-23 11:54:49] [INFO ] Imported 4 HL places and 7 HL transitions for a total of 15293 PT places and 2.814459024E10 transition bindings in 325 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 58 ms.
Working with output stream class java.io.PrintStream
FORMULA BART-COL-020-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 11:54:49] [INFO ] Built PT skeleton of HLPN with 4 places and 7 transitions 26 arcs in 10 ms.
[2026-05-23 11:54:49] [INFO ] Skeletonized 15 HLPN properties in 11 ms.
Remains 15 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 1 stabilizing places and 2 stable transitions
Ensure Unique test removed 5 transitions
Reduce redundant transitions removed 5 transitions.
Reduction of identical properties reduced properties to check from 6 to 5
[2026-05-23 11:54:49] [INFO ] Flatten gal took : 24 ms
[2026-05-23 11:54:49] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 40036 steps (1816 resets) in 393 ms. (101 steps per ms) remains 5/5 properties
[2026-05-23 11:54:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7477181989158708740.gal : 6 ms
[2026-05-23 11:54:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4262956246598910386.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/ReachabilityCardinality7477181989158708740.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4262956246598910386.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40036 steps (1816 resets) in 175 ms. (227 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40036 steps (1816 resets) in 115 ms. (345 steps per ms) remains 5/5 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/ReachabilityCardinality4262956246598910386.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :4 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :9 after 10
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :18 after 19
BEST_FIRST walk for 40036 steps (1816 resets) in 190 ms. (209 steps per ms) remains 5/5 properties
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,21,0.029468,4072,2,2,11,63,11,0,12,79,0
Total reachable state count : 21

Verifying 5 reachability properties.
Reachability property BART-COL-020-ReachabilityCardinality-2024-03 does not hold.
No reachable states exhibit your property : BART-COL-020-ReachabilityCardinality-2024-03

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BART-COL-020-ReachabilityCardinality-2024-03,0,0.030029,4192,1,0,11,63,11,0,13,79,0
Invariant property BART-COL-020-ReachabilityCardinality-2024-07 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
BART-COL-020-ReachabilityCardinality-2024-07,0,0.030697,4336,1,0,11,63,11,0,13,79,0
Invariant property BART-COL-020-ReachabilityCardinality-2024-08 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
BART-COL-020-ReachabilityCardinality-2024-08,0,0.030959,4336,1,0,11,63,11,0,13,79,0
Invariant property BART-COL-020-ReachabilityCardinality-2024-12 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
BART-COL-020-ReachabilityCardinality-2024-12,0,0.031207,4336,1,0,11,63,11,0,13,79,0
Invariant property BART-COL-020-ReachabilityCardinality-2024-13 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
BART-COL-020-ReachabilityCardinality-2024-13,0,0.031473,4336,1,0,11,63,11,0,13,79,0
BEST_FIRST walk for 40036 steps (1816 resets) in 201 ms. (198 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40036 steps (1816 resets) in 108 ms. (367 steps per ms) remains 5/5 properties
Probably explored full state space saw : 21 states, properties seen :0
Probabilistic random walk after 61 steps, saw 21 distinct states, run finished after 18 ms. (steps per millisecond=3 ) properties seen :0
Explored full state space saw : 21 states, properties seen :0
Exhaustive walk after 61 steps, saw 21 distinct states, run finished after 7 ms. (steps per millisecond=8 ) properties seen :0
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 11:54:50] [INFO ] Flatten gal took : 1 ms
[2026-05-23 11:54:50] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 11:54:50] [INFO ] Flatten gal took : 1 ms
[2026-05-23 11:54:50] [INFO ] Flatten gal took : 1 ms
[2026-05-23 11:54:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12016541895016845162.gal : 0 ms
[2026-05-23 11:54:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3345186904440156881.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/ReachabilityCardinality12016541895016845162.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3345186904440156881.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 ...329
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Loading property file /tmp/ReachabilityCardinality3345186904440156881.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,5,0.002997,3844,2,2,6,15,6,0,7,14,0
Total reachable state count : 5

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA BART-COL-020-ReachabilityCardinality-2024-00 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-01 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-02 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-03 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-05 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-06 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-07 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-08 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-09 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-10 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-11 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-12 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-13 TRUE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-14 FALSE TECHNIQUES CPN_APPROX
FORMULA BART-COL-020-ReachabilityCardinality-2024-15 FALSE TECHNIQUES CPN_APPROX
Domain [distance(41), speed(6), distance(41)] of place NewDistTable breaks symmetries in sort distance
Symmetric sort wr.t. initial and guards and successors and join/free detected :trainid
Symmetric sort wr.t. initial detected :trainid
Symmetric sort wr.t. initial and guards detected :trainid
Applying symmetric unfolding of full symmetric sort :trainid domain size was 20
Arc [1:1*[(MOD (ADD $tsp 1) 6), $ds2]] contains successor/predecessor on variables of sort speed
[2026-05-23 11:54:50] [INFO ] Unfolded HLPN to a Petri net with 10619 places and 323 transitions 601 arcs in 467 ms.
[2026-05-23 11:54:50] [INFO ] Unfolded 15 HLPN properties in 19 ms.
Deduced a syphon composed of 10215 places in 3 ms
Reduce places removed 10487 places and 121 transitions.
All properties solved without resorting to model-checking.
Total runtime 3373 ms.

BK_STOP 1779537290980

--------------------
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="BART-COL-020"
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 BART-COL-020, 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 r018-smll-177946788000190"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BART-COL-020.tgz
mv BART-COL-020 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 ;