fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366000134
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AirplaneLD-PT-2000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
882.483 20535.00 67828.00 99.10 TTFTFTFTFTTFFTFT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366000134.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AirplaneLD-PT-2000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000134
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 54M
-rw-r--r-- 1 mcc users 1.5M Mar 4 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 4.7M Mar 4 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 630K Mar 4 16:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 3.6M Mar 4 16:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 787K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 430K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.7M Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4M Mar 4 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 11M Mar 4 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3M Mar 4 17:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13M Mar 4 17:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 152K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 277K Mar 15 07:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 8.7M 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 AirplaneLD-PT-2000-ReachabilityCardinality-2024-00
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-01
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-02
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-03
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-04
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-05
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-06
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-07
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-08
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-09
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-10
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-11
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-12
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-13
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-14
FORMULA_NAME AirplaneLD-PT-2000-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779461774155

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 14:56:15] [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]
[2026-05-22 14:56:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:56:16] [INFO ] Load time of PNML (sax parser for PT used): 933 ms
[2026-05-22 14:56:16] [INFO ] Transformed 14019 places.
[2026-05-22 14:56:17] [INFO ] Transformed 16008 transitions.
[2026-05-22 14:56:17] [INFO ] Found NUPN structural information;
[2026-05-22 14:56:17] [INFO ] Parsed PT model containing 14019 places and 16008 transitions and 61028 arcs in 1125 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 372 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 6002 places and 0 transitions.
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 14:56:19] [INFO ] Flatten gal took : 1440 ms
[2026-05-22 14:56:20] [INFO ] Flatten gal took : 634 ms
[2026-05-22 14:56:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5396169189453686203.gal : 286 ms
[2026-05-22 14:56:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1562885180879294878.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/ReachabilityCardinality5396169189453686203.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1562885180879294878.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 ...328
Loading property file /tmp/ReachabilityCardinality1562885180879294878.prop.
RANDOM walk for 40000 steps (5025 resets) in 39038 ms. (1 steps per ms) remains 3/6 properties
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 453 ms. (88 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1309438667488911172.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7066373251221703151.kers'
[2026-05-22 14:56:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1309438667488911172.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7066373251221703151.kers]
Culled 0 columns in 6 ms.
// Phase 1: matrix 16008 rows 8017 cols 45020 entries
Finished phase 1 with 8008 SingleSign rule and 6 generalized
[2026-05-22 14:56:28] [INFO ] Computed 3 invariants in 535 ms
Computed 3 P flows in 540 ms.
Exported basis to /tmp/petrispot-output-7066373251221703151.kers
Total runtime 550 ms.
Problem AirplaneLD-PT-2000-ReachabilityCardinality-2024-01 is UNSAT
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 13/13 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 26/39 variables, 13/26 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15991/16030 variables, 11/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16030 variables, 11/48 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16030 variables, 0/48 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/16033 variables, 2/50 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16033 variables, 3/53 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16033 variables, 0/53 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/16034 variables, 1/54 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/16034 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/16034 variables, 1/56 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/16034 variables, 0/56 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SMT process timed out in 5882ms, After SMT, problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-10 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 12 ms.
Support contains 4 out of 8017 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8017/8017 places, 16008/16008 transitions.
Graph (complete) has 21023 edges and 8017 vertex of which 2014 are kept as prefixes of interest. Removing 6003 places using SCC suffix rule.22 ms
Discarding 6003 places :
Also discarding 4000 output transitions
Drop transitions (Output transitions of discarded places.) removed 4000 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7996 transitions
Reduce isomorphic transitions removed 7996 transitions.
Iterating post reduction 0 with 7996 rules applied. Total rules applied 7997 place count 2014 transition count 4012
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 7997 place count 2014 transition count 4008
Deduced a syphon composed of 4 places in 2 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 10 rules applied. Total rules applied 8007 place count 2008 transition count 4008
Discarding 1999 places :
Symmetric choice reduction at 1 with 1999 rule applications. Total rules 10006 place count 9 transition count 2009
Iterating global reduction 1 with 1999 rules applied. Total rules applied 12005 place count 9 transition count 2009
Ensure Unique test removed 1999 transitions
Reduce isomorphic transitions removed 1999 transitions.
Iterating post reduction 1 with 1999 rules applied. Total rules applied 14004 place count 9 transition count 10
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 14005 place count 9 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14006 place count 8 transition count 9
Applied a total of 14006 rules in 416 ms. Remains 8 /8017 variables (removed 8009) and now considering 9/16008 (removed 15999) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 422 ms. Remains : 8/8017 places, 9/16008 transitions.
RANDOM walk for 20 steps (3 resets) in 5 ms. (3 steps per ms) remains 0/1 properties
FORMULA AirplaneLD-PT-2000-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 18748 ms.

BK_STOP 1779461794690

--------------------
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="AirplaneLD-PT-2000"
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 AirplaneLD-PT-2000, 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 r002-oct2-177944366000134"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-2000.tgz
mv AirplaneLD-PT-2000 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 ;