fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366300486
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutoFlight-PT-03b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
402.880 4954.00 12828.00 82.40 FTFTTTTFTFFFTTTF 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-oct2-177944366300486.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-03b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300486
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 6.6K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 16:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 70K 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 AutoFlight-PT-03b-ReachabilityCardinality-2024-00
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-01
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-02
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-03
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-04
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-05
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-06
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-07
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-08
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-09
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-10
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-11
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-12
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-13
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-14
FORMULA_NAME AutoFlight-PT-03b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779491314789

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-03b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 23:08:36] [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]
[2026-05-22 23:08:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:08:36] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2026-05-22 23:08:36] [INFO ] Transformed 298 places.
[2026-05-22 23:08:36] [INFO ] Transformed 296 transitions.
[2026-05-22 23:08:36] [INFO ] Found NUPN structural information;
[2026-05-22 23:08:36] [INFO ] Parsed PT model containing 298 places and 296 transitions and 692 arcs in 170 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (251 resets) in 1166 ms. (34 steps per ms) remains 3/12 properties
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:08:36] [INFO ] Flatten gal took : 80 ms
BEST_FIRST walk for 40003 steps (26 resets) in 219 ms. (181 steps per ms) remains 3/3 properties
[2026-05-22 23:08:37] [INFO ] Flatten gal took : 39 ms
BEST_FIRST walk for 40002 steps (26 resets) in 237 ms. (168 steps per ms) remains 3/3 properties
[2026-05-22 23:08:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13435836609669148713.gal : 18 ms
BEST_FIRST walk for 40004 steps (24 resets) in 115 ms. (344 steps per ms) remains 2/3 properties
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 23:08:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality800876657138056825.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/ReachabilityCardinality13435836609669148713.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality800876657138056825.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/ReachabilityCardinality800876657138056825.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18018020857877254488.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10203485895137803624.kers'
[2026-05-22 23:08:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18018020857877254488.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10203485895137803624.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 296 rows 298 cols 692 entries
Finished phase 1 with 271 SingleSign rule and 5 generalized
[2026-05-22 23:08:37] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10203485895137803624.kers
Total runtime 2 ms.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :8 after 17
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :17 after 24
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :24 after 466
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :466 after 198976
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :198976 after 8.49354e+10
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 148/155 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 148/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 141/296 variables, 13/176 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 141/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/298 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/298 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 296/594 variables, 298/618 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/594 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/594 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 594/594 variables, and 618 constraints, problems are : Problem set: 0 solved, 2 unsolved in 557 ms.
Refiners :[Domain max(s): 298/298 constraints, Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 298/298 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 148/155 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 148/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 141/296 variables, 13/178 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 141/319 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 9/328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/296 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/298 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/298 variables, 2/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/298 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 296/594 variables, 298/629 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/594 variables, 2/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/594 variables, 1/632 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/594 variables, 2/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/594 variables, 1/635 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/594 variables, 0/635 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/594 variables, 0/635 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 594/594 variables, and 635 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1730 ms.
Refiners :[Domain max(s): 298/298 constraints, Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 298/298 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2373ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-10 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 103 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=103 )
FORMULA AutoFlight-PT-03b-ReachabilityCardinality-2024-11 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 68 ms.
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 3354 ms.

BK_STOP 1779491319743

--------------------
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="AutoFlight-PT-03b"
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 AutoFlight-PT-03b, 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-oct2-177944366300486"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-03b.tgz
mv AutoFlight-PT-03b 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 ;