fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r016-oct2-177944372500062
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for AirplaneLD-PT-0100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
317.647 7353.00 16586.00 74.00 T 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.r016-oct2-177944372500062.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 gold2025
Input is AirplaneLD-PT-0100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372500062
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 66K Mar 4 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 248K Mar 4 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 43K Mar 4 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 265K Mar 4 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 36K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 22K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 58K Mar 4 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 237K Mar 4 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 31K Mar 4 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 191K Mar 4 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 8.2K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:00 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 433K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779686716632

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AirplaneLD-PT-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:25:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:25:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:25:18] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2026-05-25 05:25:18] [INFO ] Transformed 719 places.
[2026-05-25 05:25:18] [INFO ] Transformed 808 transitions.
[2026-05-25 05:25:18] [INFO ] Found NUPN structural information;
[2026-05-25 05:25:18] [INFO ] Parsed PT model containing 719 places and 808 transitions and 3078 arcs in 272 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 719/719 places, 808/808 transitions.
Reduce places removed 305 places and 0 transitions.
Iterating post reduction 0 with 305 rules applied. Total rules applied 305 place count 414 transition count 808
Applied a total of 305 rules in 41 ms. Remains 414 /719 variables (removed 305) and now considering 808/808 (removed 0) transitions.
// Phase 1: matrix 808 rows 414 cols
[2026-05-25 05:25:19] [INFO ] Computed 1 invariants in 67 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:25:19] [INFO ] Implicit Places using invariants in 598 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 670 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 413/719 places, 808/808 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 413 transition count 806
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 411 transition count 806
Applied a total of 4 rules in 28 ms. Remains 411 /413 variables (removed 2) and now considering 806/808 (removed 2) transitions.
// Phase 1: matrix 806 rows 411 cols
[2026-05-25 05:25:19] [INFO ] Computed 0 invariants in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:25:20] [INFO ] Implicit Places using invariants in 298 ms returned []
[2026-05-25 05:25:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:25:22] [INFO ] Implicit Places using invariants and state equation in 2693 ms returned []
Implicit Place search using SMT with State Equation took 2997 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 411/719 places, 806/808 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 3755 ms. Remains : 411/719 places, 806/808 transitions.
Discarding 399 transitions out of 806. Remains 407
Initial state reduction rules removed 5 formulas.
[2026-05-25 05:25:23] [INFO ] Flatten gal took : 126 ms
[2026-05-25 05:25:23] [INFO ] Flatten gal took : 37 ms
[2026-05-25 05:25:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality160620441016926860.gal : 21 ms
[2026-05-25 05:25:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13873749682525745076.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality160620441016926860.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13873749682525745076.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality13873749682525745076.prop.
RANDOM walk for 40000 steps (5765 resets) in 3296 ms. (12 steps per ms) remains 2/402 properties
BEST_FIRST walk for 40004 steps (44 resets) in 96 ms. (412 steps per ms) remains 1/2 properties
BEST_FIRST walk for 28453 steps (31 resets) in 33 ms. (836 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 407 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5287 ms.

BK_STOP 1779686723985

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-0100"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2025"
echo " Input is AirplaneLD-PT-0100, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372500062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0100.tgz
mv AirplaneLD-PT-0100 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;