fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366300454
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutoFlight-PT-01b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
346.699 5391.00 14712.00 158.50 TFTFTTTTFTFTFFTT 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-oct2-177944366300454.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-01b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300454
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K 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 3.5K Mar 15 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 17K 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 116K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K 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 3.6K 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 26K 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-01b-ReachabilityCardinality-2024-00
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-01
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-02
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-03
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-04
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-05
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-06
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-07
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-08
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-09
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-10
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-11
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-12
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-13
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-14
FORMULA_NAME AutoFlight-PT-01b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779490606278

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-01b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 22:56:48] [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 22:56:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:56:48] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-22 22:56:48] [INFO ] Transformed 114 places.
[2026-05-22 22:56:48] [INFO ] Transformed 112 transitions.
[2026-05-22 22:56:48] [INFO ] Found NUPN structural information;
[2026-05-22 22:56:48] [INFO ] Parsed PT model containing 114 places and 112 transitions and 264 arcs in 315 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 22:56:49] [INFO ] Flatten gal took : 73 ms
[2026-05-22 22:56:49] [INFO ] Flatten gal took : 21 ms
[2026-05-22 22:56:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality581010110197788931.gal : 22 ms
[2026-05-22 22:56:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17562134721554736958.prop : 3 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/ReachabilityCardinality581010110197788931.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17562134721554736958.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (593 resets) in 1819 ms. (21 steps per ms) remains 4/10 properties
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK

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/ReachabilityCardinality17562134721554736958.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :8 after 14
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :14 after 56
BEST_FIRST walk for 40003 steps (108 resets) in 390 ms. (102 steps per ms) remains 4/4 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :56 after 3162
BEST_FIRST walk for 40004 steps (114 resets) in 194 ms. (205 steps per ms) remains 3/4 properties
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (126 resets) in 491 ms. (81 steps per ms) remains 3/3 properties
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :3162 after 99253
Reachability property AutoFlight-PT-01b-ReachabilityCardinality-2024-14 is true.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14163974522269706934.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7553702800433280314.kers'
[2026-05-22 22:56:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14163974522269706934.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7553702800433280314.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 112 rows 114 cols 264 entries
Finished phase 1 with 101 SingleSign rule and 3 generalized
[2026-05-22 22:56:49] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7553702800433280314.kers
Total runtime 1 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AutoFlight-PT-01b-ReachabilityCardinality-2024-12 is UNSAT
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 51/114 variables, 9/72 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/114 variables, 51/123 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 1/124 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/124 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 112/226 variables, 114/238 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/226 variables, 0/238 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/226 variables, 0/238 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 226/226 variables, and 238 constraints, problems are : Problem set: 1 solved, 2 unsolved in 688 ms.
Refiners :[Domain max(s): 114/114 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 114/114 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem AutoFlight-PT-01b-ReachabilityCardinality-2024-06 is UNSAT
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 76/113 variables, 9/46 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 76/122 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 3/125 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 0/125 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/114 variables, 1/126 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 1/127 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 1/128 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/114 variables, 0/128 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 112/226 variables, 114/242 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/226 variables, 1/243 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/226 variables, 3/246 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/226 variables, 1/247 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/226 variables, 0/247 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/226 variables, 0/247 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 226/226 variables, and 247 constraints, problems are : Problem set: 2 solved, 1 unsolved in 1011 ms.
Refiners :[Domain max(s): 114/114 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 114/114 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1802ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 134 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=134 )
FORMULA AutoFlight-PT-01b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 5 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 3339 ms.

BK_STOP 1779490611669

--------------------
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-01b"
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-01b, 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-oct2-177944366300454"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-01b.tgz
mv AutoFlight-PT-01b 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 ;