fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946841800214
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BridgeAndVehicles-PT-V20P20N20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
294.579 3104.00 9897.00 20.10 TFFFFFTFFFTFTTFF 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-177946841800214.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-PT-V20P20N20, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 11K Mar 5 08:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 5 08:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 121K Mar 5 08:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 479K Mar 5 08:48 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 7.4K Mar 15 07:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 15 07:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 66K Mar 15 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 201K Mar 15 07:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 22K Mar 5 08:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 5 08:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 140K Mar 5 08:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 591K Mar 5 08:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.6K Mar 15 07:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 790K 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-PT-V20P20N20-ReachabilityCardinality-2024-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779540717966

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 12:51:59] [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 12:51:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 12:51:59] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2026-05-23 12:51:59] [INFO ] Transformed 78 places.
[2026-05-23 12:51:59] [INFO ] Transformed 968 transitions.
[2026-05-23 12:51:59] [INFO ] Parsed PT model containing 78 places and 968 transitions and 7350 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 12:51:59] [INFO ] Flatten gal took : 241 ms
RANDOM walk for 40000 steps (228 resets) in 2248 ms. (17 steps per ms) remains 9/14 properties
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 12:52:00] [INFO ] Flatten gal took : 123 ms
BEST_FIRST walk for 40003 steps (89 resets) in 611 ms. (65 steps per ms) remains 9/9 properties
[2026-05-23 12:52:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8226397918219190336.gal : 88 ms
[2026-05-23 12:52:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12878737476656287430.prop : 2 ms
BEST_FIRST walk for 40002 steps (81 resets) in 193 ms. (206 steps per ms) remains 9/9 properties
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/ReachabilityCardinality8226397918219190336.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12878737476656287430.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
BEST_FIRST walk for 40003 steps (108 resets) in 218 ms. (182 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (81 resets) in 216 ms. (184 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality12878737476656287430.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 2
BEST_FIRST walk for 40002 steps (86 resets) in 437 ms. (91 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :6 after 19
BEST_FIRST walk for 40003 steps (70 resets) in 201 ms. (198 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40003 steps (76 resets) in 159 ms. (250 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (95 resets) in 212 ms. (187 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (83 resets) in 173 ms. (229 steps per ms) remains 9/9 properties
[2026-05-23 12:52:00] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5330732881281168801.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-892160323169718779.kers'
[2026-05-23 12:52:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5330732881281168801.kers, --Pflows, --basisKERS=/tmp/petrispot-output-892160323169718779.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 170 rows 78 cols 790 entries
Finished phase 1 with 31 SingleSign rule and 40 generalized
[2026-05-23 12:52:00] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-892160323169718779.kers
Total runtime 2 ms.
[2026-05-23 12:52:00] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :42 after 132
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-01 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-03 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-04 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-05 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 4 solved, 5 unsolved
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-10 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-12 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-13 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-14 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-15 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P20N20-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 78/248 variables, and 7 constraints, problems are : Problem set: 9 solved, 0 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 0/78 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 8/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 279ms problems are : Problem set: 9 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 2002 ms.

BK_STOP 1779540721070

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="BridgeAndVehicles-PT-V20P20N20"
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 BridgeAndVehicles-PT-V20P20N20, 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 r034-tall-177946841800214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N20.tgz
mv BridgeAndVehicles-PT-V20P20N20 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 ;