fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r096-smll-177946996400037
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for DatabaseWithMutex-PT-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
256.031 19262.00 28835.00 336.10 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.r096-smll-177946996400037.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 DatabaseWithMutex-PT-10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996400037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.2M
-rw-r--r-- 1 mcc users 114K Mar 5 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 525K Mar 5 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 96K Mar 5 14:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 491K Mar 5 14:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 56K Mar 15 08:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 193K Mar 15 08:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 49K Mar 15 08:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 191K Mar 15 08:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 174K Mar 5 14:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 781K Mar 5 14:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 272K Mar 5 14:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.4M Mar 5 14:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 15 08:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 33K Mar 15 08:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 840K 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 1779525175612

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DatabaseWithMutex-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 08:32:57] [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]
[2026-05-23 08:32:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:32:58] [INFO ] Load time of PNML (sax parser for PT used): 524 ms
[2026-05-23 08:32:58] [INFO ] Transformed 830 places.
[2026-05-23 08:32:58] [INFO ] Transformed 800 transitions.
[2026-05-23 08:32:58] [INFO ] Found NUPN structural information;
[2026-05-23 08:32:58] [INFO ] Parsed PT model containing 830 places and 800 transitions and 3800 arcs in 812 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 830/830 places, 800/800 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 200 transitions
Trivial Post-agglo rules discarded 200 transitions
Performed 200 trivial Post agglomeration. Transition count delta: 200
Iterating post reduction 0 with 200 rules applied. Total rules applied 200 place count 830 transition count 600
Reduce places removed 210 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 200 transitions
Trivial Post-agglo rules discarded 200 transitions
Performed 200 trivial Post agglomeration. Transition count delta: 200
Iterating post reduction 1 with 410 rules applied. Total rules applied 610 place count 620 transition count 400
Reduce places removed 200 places and 0 transitions.
Iterating post reduction 2 with 200 rules applied. Total rules applied 810 place count 420 transition count 400
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 100 Pre rules applied. Total rules applied 810 place count 420 transition count 300
Deduced a syphon composed of 100 places in 1 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 3 with 200 rules applied. Total rules applied 1010 place count 320 transition count 300
Applied a total of 1010 rules in 164 ms. Remains 320 /830 variables (removed 510) and now considering 300/800 (removed 500) transitions.
// Phase 1: matrix 300 rows 320 cols
[2026-05-23 08:32:59] [INFO ] Computed 120 invariants in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:33:13] [INFO ] Implicit Places using invariants in 14931 ms returned [0, 4, 7, 10, 12, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 26, 28, 30, 32, 36, 37, 38, 39, 40, 42, 44, 46, 47, 49, 50, 51, 52, 54, 55, 56, 58, 61, 62, 66, 67, 71, 72, 73, 74, 75, 81, 82, 83, 84, 85, 86, 90, 91, 92, 93, 94, 95, 96, 97, 98, 101, 102, 104, 105, 107, 108, 111, 112, 113, 115, 116, 118, 119, 120, 121, 125, 127, 128, 129, 130, 131, 132, 135, 136, 140, 141, 145, 146, 147, 150, 153, 155, 156, 157, 159, 160, 161, 162, 164, 165, 168, 169, 170, 172, 173, 174, 175, 176, 178, 179, 181, 182, 183, 184, 185, 187, 188, 190, 193, 194, 196, 198, 201, 202, 204, 205, 209, 210, 212, 213, 214, 215, 216, 219, 220, 221, 222, 224, 226, 227, 229, 230, 231, 232, 234, 235, 236, 237, 238, 239, 240, 242, 244, 246, 248, 252, 256, 257, 258, 260, 261, 262, 264, 266, 267, 268, 271, 272, 274, 275, 276, 277, 278, 280, 281, 282, 283, 284, 286, 287, 288, 289, 290, 294, 296, 297, 298, 300, 301, 302, 305, 306, 307, 309, 310, 311, 312, 313, 316, 318]
[2026-05-23 08:33:13] [INFO ] Actually due to overlaps returned [0, 4, 12, 13, 14, 18, 19, 25, 26, 32, 84, 108, 129, 140, 160, 226, 277, 288, 300, 316]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 15001 ms to find 20 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 300/830 places, 300/800 transitions.
Applied a total of 0 rules in 8 ms. Remains 300 /300 variables (removed 0) and now considering 300/300 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 15211 ms. Remains : 300/830 places, 300/800 transitions.
Discarding 90 transitions out of 300. Remains 210
Initial state reduction rules removed 10 formulas.
RANDOM walk for 6320 steps (0 resets) in 974 ms. (6 steps per ms) remains 0/200 properties
[2026-05-23 08:33:14] [INFO ] Flatten gal took : 179 ms
[2026-05-23 08:33:14] [INFO ] Flatten gal took : 60 ms
[2026-05-23 08:33:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14561911931805266196.gal : 43 ms
[2026-05-23 08:33:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6350065614434738019.prop : 0 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/ReachabilityCardinality14561911931805266196.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6350065614434738019.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 210 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 17023 ms.

BK_STOP 1779525194874

--------------------
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="DatabaseWithMutex-PT-10"
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 DatabaseWithMutex-PT-10, 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 r096-smll-177946996400037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-10.tgz
mv DatabaseWithMutex-PT-10 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 ;