fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r144-smll-177955812400027
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for FamilyReunion-COL-L00400M0040C020P020G001

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16206.407 546823.00 1589702.00 41914.10 [undef] Cannot compute

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.r144-smll-177955812400027.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 gold2025
Input is FamilyReunion-COL-L00400M0040C020P020G001, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812400027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.9K Mar 6 06:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 06:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 06:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 06:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Mar 6 07:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 07:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 07:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 07:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 24 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 159K 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 1779627695008

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FamilyReunion-COL-L00400M0040C020P020G001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202505121319
[2026-05-24 13:01:37] [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]
[2026-05-24 13:01:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:01:37] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-24 13:01:38] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 13:01:38] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1090 ms
[2026-05-24 13:01:38] [INFO ] Detected 5 constant HL places corresponding to 106 PT places.
[2026-05-24 13:01:38] [INFO ] Imported 104 HL places and 66 HL transitions for a total of 538109 PT places and 508890.0 transition bindings in 88 ms.
[2026-05-24 13:01:40] [INFO ] Unfolded HLPN to a Petri net with 538109 places and 508489 transitions 1457677 arcs in 2075 ms.
[2026-05-24 13:01:40] [INFO ] Unfolded 66 HLPN properties in 67 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-24 13:01:41] [INFO ] Reduced 16040 identical enabling conditions.
[2026-05-24 13:01:41] [INFO ] Reduced 8020 identical enabling conditions.
[2026-05-24 13:01:41] [INFO ] Reduced 4411 identical enabling conditions.
[2026-05-24 13:01:41] [INFO ] Reduced 8020 identical enabling conditions.
[2026-05-24 13:01:41] [INFO ] Reduced 8020 identical enabling conditions.
Deduced a syphon composed of 401 places in 1706 ms
Reduce places removed 507 places and 0 transitions.
RANDOM walk for 2417 steps (0 resets) in 120273 ms. (0 steps per ms) remains 60/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1482 ms. (2 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1187 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1049 ms. (3 steps per ms) remains 60/60 properties
[2026-05-24 13:02:22] [INFO ] Flatten gal took : 26240 ms
BEST_FIRST walk for 4004 steps (8 resets) in 2701 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5943 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1074 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6670 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4798 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11382 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2847 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 875 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4095 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6255 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10802 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2719 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4267 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11325 ms. (0 steps per ms) remains 60/60 properties
[2026-05-24 13:02:42] [INFO ] Flatten gal took : 20595 ms
BEST_FIRST walk for 4004 steps (8 resets) in 4252 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1960 ms. (2 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3990 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 931 ms. (4 steps per ms) remains 60/60 properties
[2026-05-24 13:02:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12776172867725615469.gal : 3322 ms
[2026-05-24 13:02:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10765899410810271003.prop : 901 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/ReachabilityCardinality12776172867725615469.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10765899410810271003.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 ...330
BEST_FIRST walk for 4004 steps (8 resets) in 11031 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4078 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3069 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11818 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2048 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1131 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1027 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1155 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1359 ms. (2 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10055 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 984 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4142 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 960 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 4450 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 800 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10227 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1011 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 943 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2701 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5702 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1130 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 973 ms. (4 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1036 ms. (3 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2597 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2602 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2434 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5251 ms. (0 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2555 ms. (1 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1002 ms. (3 steps per ms) remains 60/60 properties
Interrupted probabilistic random walk after 40800 steps, run timeout after 246463 ms. (steps per millisecond=0 ) properties seen :43 out of 60
Probabilistic random walk after 40800 steps, saw 40699 distinct states, run finished after 246479 ms. (steps per millisecond=0 ) properties seen :43
// Phase 1: matrix 508489 rows 537602 cols
[2026-05-24 13:09:20] [WARNING] Invariant computation timed out after 120 seconds.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SMT process timed out in 164117ms, After SMT, problems are : Problem set: 0 solved, 17 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 53376 out of 537602 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 537602/537602 places, 508489/508489 transitions.
Graph (complete) has 892668 edges and 537602 vertex of which 536242 are kept as prefixes of interest. Removing 1360 places using SCC suffix rule.3739 ms
Discarding 1360 places :
Also discarding 21 output transitions
Drop transitions (Output transitions of discarded places.) removed 21 transitions

BK_STOP 1779628241831

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.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="FamilyReunion-COL-L00400M0040C020P020G001"
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 FamilyReunion-COL-L00400M0040C020P020G001, 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 r144-smll-177955812400027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-COL-L00400M0040C020P020G001.tgz
mv FamilyReunion-COL-L00400M0040C020P020G001 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 ;