fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946841800159
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BridgeAndVehicles-COL-V80P50N50

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
973.104 10152.00 35500.00 53.20 FTFFTFTFTFTFFTFF 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.r034-tall-177946841800159.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 BridgeAndVehicles-COL-V80P50N50, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 7.8K Mar 5 08:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 5 08:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 5 08:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 08:14 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 4.3K Mar 15 07:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 5 08:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Mar 5 08:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 08:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 5 08:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 47K 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 BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779529787987

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P50N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202604301425
[2026-05-23 09:49:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 09:49:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:49:49] [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 09:49:49] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 09:49:49] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 563 ms
[2026-05-23 09:49:49] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 228 PT places and 1339138.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 09:49:49] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-23 09:49:49] [INFO ] Skeletonized 11 HLPN properties in 0 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 490 steps (0 resets) in 9 ms. (49 steps per ms) remains 0/1 properties
[2026-05-23 09:49:49] [INFO ] Flatten gal took : 30 ms
[2026-05-23 09:49:50] [INFO ] Flatten gal took : 7 ms
[2026-05-23 09:49:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14313287708079962.gal : 6 ms
[2026-05-23 09:49:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3817607469470451071.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/ReachabilityCardinality14313287708079962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3817607469470451071.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 ...326
Loading property file /tmp/ReachabilityCardinality3817607469470451071.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,5,0.011224,3796,2,21,5,62,6,0,55,27,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 09:49:50] [INFO ] Flatten gal took : 2 ms
[2026-05-23 09:49:50] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 09:49:50] [INFO ] Flatten gal took : 2 ms
[2026-05-23 09:49:50] [INFO ] Flatten gal took : 3 ms
[2026-05-23 09:49:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16509016959134518764.gal : 1 ms
[2026-05-23 09:49:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12515951784411884857.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/ReachabilityCardinality16509016959134518764.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12515951784411884857.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
ITS runner timed out or was interrupted.
Loading property file /tmp/ReachabilityCardinality12515951784411884857.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,5,0.002811,3916,2,21,5,62,6,0,55,27,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 51)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-23 09:49:50] [INFO ] Unfolded HLPN to a Petri net with 228 places and 8588 transitions 67470 arcs in 279 ms.
[2026-05-23 09:49:50] [INFO ] Unfolded 11 HLPN properties in 8 ms.
RANDOM walk for 40000 steps (56 resets) in 6027 ms. (6 steps per ms) remains 1/11 properties
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 09:49:53] [INFO ] Flatten gal took : 1083 ms
[2026-05-23 09:49:53] [INFO ] Flatten gal took : 443 ms
[2026-05-23 09:49:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5467874860955730850.gal : 205 ms
[2026-05-23 09:49:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18119028525079691823.prop : 107 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/ReachabilityCardinality5467874860955730850.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18119028525079691823.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
Loading property file /tmp/ReachabilityCardinality18119028525079691823.prop.
BEST_FIRST walk for 30371 steps (16 resets) in 20005 ms. (1 steps per ms) remains 1/1 properties
[2026-05-23 09:49:57] [INFO ] Flow matrix only has 530 transitions (discarded 8058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10990330053324125564.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5070628426284552808.kers'
[2026-05-23 09:49:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10990330053324125564.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5070628426284552808.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 530 rows 228 cols 2590 entries
Finished phase 1 with 61 SingleSign rule and 160 generalized
[2026-05-23 09:49:57] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-5070628426284552808.kers
Total runtime 7 ms.
[2026-05-23 09:49:57] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-03 is UNSAT
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 223/758 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 333 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/228 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 511ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 8983 ms.

BK_STOP 1779529798139

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="BridgeAndVehicles-COL-V80P50N50"
export BK_EXAMINATION="ReachabilityFireability"
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 BridgeAndVehicles-COL-V80P50N50, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841800159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P50N50.tgz
mv BridgeAndVehicles-COL-V80P50N50 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;