fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r088-smll-177946995100006
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DatabaseWithMutex-COL-04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
439.892 8748.00 13572.00 138.30 F 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.r088-smll-177946995100006.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 itstools
Input is DatabaseWithMutex-COL-04, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995100006
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 8.6K Mar 5 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 5 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 14:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 5 14:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 5 14:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 21K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779481480508

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DatabaseWithMutex-COL-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityDeadlock COL
Running Version 202604301425
[2026-05-22 20:24:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 20:24:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:24:43] [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.
[2026-05-22 20:24:44] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 20:24:44] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1254 ms
[2026-05-22 20:24:44] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 140 PT places and 128.0 transition bindings in 36 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 20:24:44] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 10 ms.
[2026-05-22 20:24:44] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2026-05-22 20:24:44] [INFO ] Unfolded HLPN to a Petri net with 140 places and 128 transitions 416 arcs in 40 ms.
[2026-05-22 20:24:44] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 0 ms.13849KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 140/140 places, 128/128 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 140 transition count 96
Reduce places removed 36 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 68 rules applied. Total rules applied 100 place count 104 transition count 64
Reduce places removed 32 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 2 with 32 rules applied. Total rules applied 132 place count 72 transition count 64
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 132 place count 72 transition count 48
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 164 place count 56 transition count 48
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 164 rules in 116 ms. Remains 56 /140 variables (removed 84) and now considering 48/128 (removed 80) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 137 ms. Remains : 56/140 places, 48/128 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2472 ms (no deadlock found). (steps per millisecond=505 )
Random directed walk for 1250001 steps, including 0 resets, run took 1345 ms (no deadlock found). (steps per millisecond=929 )
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7255257586180819546.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10280953815736668009.kers'
[2026-05-22 20:24:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7255257586180819546.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10280953815736668009.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 56 cols 224 entries
Finished phase 1 with 16 SingleSign rule and 16 generalized
[2026-05-22 20:24:48] [INFO ] Computed 24 invariants in 1 ms
Computed 24 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10280953815736668009.kers
Total runtime 3 ms.
[2026-05-22 20:24:49] [INFO ] [Real]Absence check using 11 positive place invariants in 15 ms returned sat
[2026-05-22 20:24:49] [INFO ] [Real]Absence check using 11 positive and 13 generalized place invariants in 15 ms returned unsat
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION
Total runtime 6152 ms.

BK_STOP 1779481489256

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -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-COL-04"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DatabaseWithMutex-COL-04, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r088-smll-177946995100006"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-04.tgz
mv DatabaseWithMutex-COL-04 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;