fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366300470
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutoFlight-PT-02b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
430.796 6679.00 18162.00 57.20 TTTFFTFFFFTTTTTF 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-oct2-177944366300470.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 AutoFlight-PT-02b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300470
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.2K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:32 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 3.6K Mar 15 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:12 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 48K 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-02b-ReachabilityCardinality-2024-00
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-01
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-02
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-03
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-04
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-05
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-06
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-07
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-08
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-09
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-10
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-11
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-12
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-13
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-14
FORMULA_NAME AutoFlight-PT-02b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779490940131

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-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 23:02:21] [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 23:02:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:02:21] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2026-05-22 23:02:21] [INFO ] Transformed 206 places.
[2026-05-22 23:02:21] [INFO ] Transformed 204 transitions.
[2026-05-22 23:02:21] [INFO ] Found NUPN structural information;
[2026-05-22 23:02:21] [INFO ] Parsed PT model containing 206 places and 204 transitions and 478 arcs in 150 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 29 ms.
Working with output stream class java.io.PrintStream
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 23:02:22] [INFO ] Flatten gal took : 75 ms
RANDOM walk for 40000 steps (351 resets) in 1391 ms. (28 steps per ms) remains 4/13 properties
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:02:22] [INFO ] Flatten gal took : 41 ms
[2026-05-22 23:02:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10972421245628709535.gal : 28 ms
[2026-05-22 23:02:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4299841983076824792.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/ReachabilityCardinality10972421245628709535.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4299841983076824792.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (45 resets) in 473 ms. (84 steps per ms) remains 4/4 properties

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/ReachabilityCardinality4299841983076824792.prop.
BEST_FIRST walk for 40004 steps (45 resets) in 118 ms. (336 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :8 after 18
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :18 after 33
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :33 after 461
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :461 after 198971
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :198971 after 1.34818e+09
BEST_FIRST walk for 40004 steps (40 resets) in 155 ms. (256 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (57 resets) in 80 ms. (493 steps per ms) remains 4/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15957847286134262907.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6032717023463485109.kers'
[2026-05-22 23:02:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15957847286134262907.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6032717023463485109.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 204 rows 206 cols 478 entries
Finished phase 1 with 186 SingleSign rule and 4 generalized
[2026-05-22 23:02:22] [INFO ] Computed 16 invariants in 0 ms
Computed 16 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6032717023463485109.kers
Total runtime 2 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 163/204 variables, 15/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 163/219 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2/206 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 204/410 variables, 206/428 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/410 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/410 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 410/410 variables, and 428 constraints, problems are : Problem set: 0 solved, 4 unsolved in 652 ms.
Refiners :[Domain max(s): 206/206 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 206/206 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AutoFlight-PT-02b-ReachabilityCardinality-2024-13 is UNSAT
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 163/204 variables, 15/56 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 163/219 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 7/226 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/226 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/206 variables, 1/227 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 2/229 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/229 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 204/410 variables, 206/435 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 3/438 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/410 variables, 8/446 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/410 variables, 1/447 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/410 variables, 1/448 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/410 variables, 0/448 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/410 variables, 1/449 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/410 variables, 0/449 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/410 variables, 0/449 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 410/410 variables, and 449 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3528 ms.
Refiners :[Domain max(s): 206/206 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 206/206 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4258ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 195 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=97 )
FORMULA AutoFlight-PT-02b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 31 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 5317 ms.

BK_STOP 1779490946810

--------------------
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="AutoFlight-PT-02b"
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-02b, 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-oct2-177944366300470"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02b.tgz
mv AutoFlight-PT-02b 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 ;