fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r018-smll-177946787900062
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutonomousCar-PT-04b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
406.716 8319.00 23844.00 205.20 FTTFTTTTTFTTFTFT 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-177946787900062.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 AutonomousCar-PT-04b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946787900062
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 5 16:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 5 16:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 16:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 5 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 5 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 5 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:19 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 110K 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 AutonomousCar-PT-04b-ReachabilityCardinality-2024-00
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-01
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-02
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-03
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-04
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-05
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-06
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-07
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-08
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-09
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-10
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-11
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-12
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-13
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-14
FORMULA_NAME AutonomousCar-PT-04b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779478474611

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 19:34:37] [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 19:34:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:34:37] [INFO ] Load time of PNML (sax parser for PT used): 195 ms
[2026-05-22 19:34:37] [INFO ] Transformed 221 places.
[2026-05-22 19:34:37] [INFO ] Transformed 368 transitions.
[2026-05-22 19:34:37] [INFO ] Found NUPN structural information;
[2026-05-22 19:34:37] [INFO ] Parsed PT model containing 221 places and 368 transitions and 1658 arcs in 439 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 39 ms.
Working with output stream class java.io.PrintStream
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (62 resets) in 2126 ms. (18 steps per ms) remains 4/13 properties
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (49 resets) in 713 ms. (56 steps per ms) remains 4/4 properties
[2026-05-22 19:34:38] [INFO ] Flatten gal took : 307 ms
BEST_FIRST walk for 40002 steps (90 resets) in 352 ms. (113 steps per ms) remains 3/4 properties
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 19:34:38] [INFO ] Flatten gal took : 195 ms
BEST_FIRST walk for 40001 steps (57 resets) in 481 ms. (82 steps per ms) remains 2/3 properties
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 19:34:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6885767688002831452.gal : 100 ms
[2026-05-22 19:34:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1748451672131523858.prop : 2 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/ReachabilityCardinality6885767688002831452.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1748451672131523858.prop' '--nowitness' '--gen-order' 'FOLLOW'
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7682357335266430996.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17817967186511058494.kers'
[2026-05-22 19:34:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7682357335266430996.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17817967186511058494.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 368 rows 221 cols 1658 entries
Finished phase 1 with 212 SingleSign rule and 0 generalized
[2026-05-22 19:34:39] [INFO ] Computed 9 invariants in 4 ms
Computed 9 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-17817967186511058494.kers
Total runtime 7 ms.

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/ReachabilityCardinality1748451672131523858.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :6 after 22
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :22 after 56
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :56 after 1426
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1426 after 7086
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 188/213 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 188/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/221 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 8/230 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/221 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 368/589 variables, 221/451 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/589 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :7086 after 73013
At refinement iteration 10 (OVERLAPS) 0/589 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 589/589 variables, and 451 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1353 ms.
Refiners :[Domain max(s): 221/221 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 221/221 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) 0/25 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AutonomousCar-PT-04b-ReachabilityCardinality-2024-06 is UNSAT
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 188/213 variables, 8/33 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 188/221 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AutonomousCar-PT-04b-ReachabilityCardinality-2024-01 is UNSAT
FORMULA AutonomousCar-PT-04b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 213/589 variables, and 229 constraints, problems are : Problem set: 2 solved, 0 unsolved in 2004 ms.
Refiners :[Domain max(s): 213/221 constraints, Positive P Invariants (semi-flows): 8/9 constraints, State Equation: 0/221 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3799ms problems are : Problem set: 2 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 5758 ms.

BK_STOP 1779478482930

--------------------
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="AutonomousCar-PT-04b"
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 AutonomousCar-PT-04b, 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-177946787900062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-04b.tgz
mv AutonomousCar-PT-04b 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 ;