fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r144-smll-177955812400022
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for FamilyReunion-COL-L00200M0020C010P010G005

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
8180.688 307306.00 900804.00 554.90 T 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.r144-smll-177955812400022.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)
........................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is FamilyReunion-COL-L00200M0020C010P010G005, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812400022
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 8.0K Mar 6 05:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 05:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 05:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 05:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 05:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 05:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 05:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 05:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:01 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 146K 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 1779627621264

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FamilyReunion-COL-L00200M0020C010P010G005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202505121319
[2026-05-24 13:00:23] [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 13:00:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:00:24] [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 13:00:25] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 13:00:25] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1509 ms
[2026-05-24 13:00:25] [INFO ] Detected 5 constant HL places corresponding to 56 PT places.
[2026-05-24 13:00:25] [INFO ] Imported 104 HL places and 66 HL transitions for a total of 144109 PT places and 134480.0 transition bindings in 192 ms.
[2026-05-24 13:00:27] [INFO ] Unfolded HLPN to a Petri net with 144109 places and 134279 transitions 384937 arcs in 1494 ms.
[2026-05-24 13:00:27] [INFO ] Unfolded 66 HLPN properties in 29 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-24 13:00:27] [INFO ] Reduced 4020 identical enabling conditions.
[2026-05-24 13:00:27] [INFO ] Reduced 2010 identical enabling conditions.
[2026-05-24 13:00:27] [INFO ] Reduced 1206 identical enabling conditions.
[2026-05-24 13:00:27] [INFO ] Reduced 2010 identical enabling conditions.
[2026-05-24 13:00:27] [INFO ] Reduced 2010 identical enabling conditions.
Deduced a syphon composed of 201 places in 521 ms
Reduce places removed 257 places and 0 transitions.
[2026-05-24 13:00:42] [INFO ] Flatten gal took : 8472 ms
[2026-05-24 13:00:49] [INFO ] Flatten gal took : 6729 ms
[2026-05-24 13:00:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18153923481329774539.gal : 1398 ms
[2026-05-24 13:00:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12903799552784683507.prop : 487 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/ReachabilityCardinality18153923481329774539.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12903799552784683507.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
RANDOM walk for 23366 steps (5 resets) in 120008 ms. (0 steps per ms) remains 27/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 730 ms. (5 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 491 ms. (8 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 153 ms. (26 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 622 ms. (6 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1438 ms. (2 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1101 ms. (3 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 693 ms. (5 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1181 ms. (3 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 471 ms. (8 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 643 ms. (6 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 322 ms. (12 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 653 ms. (6 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 338 ms. (11 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 314 ms. (12 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 221 ms. (18 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1368 ms. (2 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1294 ms. (3 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 229 ms. (17 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 199 ms. (20 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 180 ms. (22 steps per ms) remains 27/27 properties
// Phase 1: matrix 134279 rows 143852 cols
[2026-05-24 13:03:05] [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 127928ms, After SMT, problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20536 out of 143852 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143852/143852 places, 134279/134279 transitions.
Graph (complete) has 236398 edges and 143852 vertex of which 143167 are kept as prefixes of interest. Removing 685 places using SCC suffix rule.257 ms
Discarding 685 places :
Also discarding 11 output transitions
Drop transitions (Output transitions of discarded places.) removed 11 transitions
Discarding 25326 places :
Implicit places reduction removed 25326 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 66330 transitions
Trivial Post-agglo rules discarded 66330 transitions
Performed 66330 trivial Post agglomeration. Transition count delta: 66330
Iterating post reduction 0 with 91656 rules applied. Total rules applied 91657 place count 117841 transition count 67938
Reduce places removed 66330 places and 0 transitions.
Iterating post reduction 1 with 66330 rules applied. Total rules applied 157987 place count 51511 transition count 67938
Performed 6834 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6834 Pre rules applied. Total rules applied 157987 place count 51511 transition count 61104
Deduced a syphon composed of 6834 places in 136 ms
Ensure Unique test removed 2211 places
Reduce places removed 9045 places and 0 transitions.
Iterating global reduction 2 with 15879 rules applied. Total rules applied 173866 place count 42466 transition count 61104
Performed 5025 Post agglomeration using F-continuation condition.Transition count delta: 5025
Deduced a syphon composed of 5025 places in 107 ms
Reduce places removed 5025 places and 0 transitions.
Iterating global reduction 2 with 10050 rules applied. Total rules applied 183916 place count 37441 transition count 56079
Free-agglomeration rule applied 2211 times.
Iterating global reduction 2 with 2211 rules applied. Total rules applied 186127 place count 37441 transition count 53868
Ensure Unique test removed 201 places
Reduce places removed 2412 places and 0 transitions.
Ensure Unique test removed 2010 transitions
Reduce isomorphic transitions removed 2010 transitions.
Iterating post reduction 2 with 4422 rules applied. Total rules applied 190549 place count 35029 transition count 51858
Performed 201 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 201 Pre rules applied. Total rules applied 190549 place count 35029 transition count 51657
Deduced a syphon composed of 201 places in 100 ms
Ensure Unique test removed 201 places
Reduce places removed 402 places and 0 transitions.
Iterating global reduction 3 with 603 rules applied. Total rules applied 191152 place count 34627 transition count 51657
Free-agglomeration rule (complex) applied 4422 times.
Iterating global reduction 3 with 4422 rules applied. Total rules applied 195574 place count 34627 transition count 87435
Ensure Unique test removed 201 places
Reduce places removed 4623 places and 0 transitions.
Iterating post reduction 3 with 4623 rules applied. Total rules applied 200197 place count 30004 transition count 87435
Discarding 2030 places :
Symmetric choice reduction at 4 with 2030 rule applications. Total rules 202227 place count 27974 transition count 41205
Iterating global reduction 4 with 2030 rules applied. Total rules applied 204257 place count 27974 transition count 41205
Discarding 4020 places :
Symmetric choice reduction at 4 with 4020 rule applications. Total rules 208277 place count 23954 transition count 37185
Ensure Unique test removed 201 places
Iterating global reduction 4 with 4221 rules applied. Total rules applied 212498 place count 23753 transition count 37185
Ensure Unique test removed 4020 transitions
Reduce isomorphic transitions removed 4020 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 201 transitions
Trivial Post-agglo rules discarded 201 transitions
Performed 201 trivial Post agglomeration. Transition count delta: 201
Iterating post reduction 4 with 4221 rules applied. Total rules applied 216719 place count 23753 transition count 32964
Reduce places removed 201 places and 0 transitions.
Iterating post reduction 5 with 201 rules applied. Total rules applied 216920 place count 23552 transition count 32964
Reduce places removed 201 places and 201 transitions.
Iterating global reduction 6 with 201 rules applied. Total rules applied 217121 place count 23351 transition count 32763
Applied a total of 217121 rules in 124810 ms. Remains 23351 /143852 variables (removed 120501) and now considering 32763/134279 (removed 101516) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124864 ms. Remains : 23351/143852 places, 32763/134279 transitions.
RANDOM walk for 13620 steps (0 resets) in 33981 ms. (0 steps per ms) remains 0/27 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 66 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 304519 ms.

BK_STOP 1779627928570

--------------------
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="FamilyReunion-COL-L00200M0020C010P010G005"
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-L00200M0020C010P010G005, 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-177955812400022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-COL-L00200M0020C010P010G005.tgz
mv FamilyReunion-COL-L00200M0020C010P010G005 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 ;