fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r136-smll-177955811000241
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FlexibleBarrier-PT-14a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
171.896 3173.00 6944.00 100.90 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.r136-smll-177955811000241.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 itstools
Input is FlexibleBarrier-PT-14a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000241
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 05:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 7 05:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 7 05:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 05:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 7 05:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 169K 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 1779618058891

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-14a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-24 10:21:01] [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]
[2026-05-24 10:21:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:21:01] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2026-05-24 10:21:01] [INFO ] Transformed 171 places.
[2026-05-24 10:21:01] [INFO ] Transformed 578 transitions.
[2026-05-24 10:21:01] [INFO ] Found NUPN structural information;
[2026-05-24 10:21:01] [INFO ] Parsed PT model containing 171 places and 578 transitions and 2719 arcs in 390 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 6 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 170 transitions
Reduce redundant transitions removed 170 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.16097KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 171/171 places, 408/408 transitions.
Graph (trivial) has 140 edges and 171 vertex of which 42 / 171 are part of one of the 14 SCC in 12 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 1 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 85 place count 101 transition count 260
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 105 transitions
Redundant transition composition rules discarded 105 transitions
Iterating global reduction 0 with 105 rules applied. Total rules applied 190 place count 101 transition count 155
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 191 place count 100 transition count 154
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (trivial) has 154 edges and 98 vertex of which 98 / 98 are part of one of the 14 SCC in 1 ms
Free SCC test removed 84 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 194 place count 14 transition count 154
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 153 transitions
Reduce isomorphic transitions removed 153 transitions.
Found a source transition so no deadlocks exist. place count 0 transition count 1
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION
Total runtime 745 ms.

BK_STOP 1779618062064

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.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="FlexibleBarrier-PT-14a"
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 FlexibleBarrier-PT-14a, 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 r136-smll-177955811000241"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14a.tgz
mv FlexibleBarrier-PT-14a 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 ;