fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993600255
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Dekker-PT-010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
237.371 5046.00 11342.00 101.30 FFFTTTFTFFTTFFFT 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.r082-smll-177946993600255.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 Dekker-PT-010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600255
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 8.3K Mar 4 18:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 4 18:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 4 18:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 4 18:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 4 18:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 172K Mar 4 18:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 4 18:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 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 65K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-00
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-01
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-02
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-03
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-04
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-05
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-06
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-07
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-08
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-09
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-10
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-11
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-12
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-13
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-14
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779636600118

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 15:30:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 15:30:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:30:02] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2026-05-24 15:30:02] [INFO ] Transformed 50 places.
[2026-05-24 15:30:02] [INFO ] Transformed 120 transitions.
[2026-05-24 15:30:02] [INFO ] Found NUPN structural information;
[2026-05-24 15:30:02] [INFO ] Parsed PT model containing 50 places and 120 transitions and 820 arcs in 334 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 37 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-010-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-010-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2823 ms. (14 steps per ms) remains 10/13 properties
FORMULA Dekker-PT-010-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-010-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-010-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 15:30:04] [INFO ] Flatten gal took : 180 ms
[2026-05-24 15:30:04] [INFO ] Flatten gal took : 127 ms
[2026-05-24 15:30:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11626654346826277029.gal : 50 ms
BEST_FIRST walk for 40004 steps (8 resets) in 1256 ms. (31 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 10/10 properties
[2026-05-24 15:30:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6305582660295862711.prop : 31 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11626654346826277029.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6305582660295862711.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 10/10 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6305582660295862711.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :4 after 16
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :16 after 256
BEST_FIRST walk for 40004 steps (8 resets) in 698 ms. (57 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :256 after 556
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 10/10 properties
Reachability property Dekker-PT-010-ReachabilityFireability-2024-03 is true.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :556 after 2560
BEST_FIRST walk for 40004 steps (8 resets) in 375 ms. (106 steps per ms) remains 10/10 properties
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :5633 after 5664
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6144,0.304788,5580,2,198,13,6542,15,0,592,2961,0
Total reachable state count : 6144

Verifying 10 reachability properties.
Reachability property Dekker-PT-010-ReachabilityFireability-2024-00 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-00

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-00,0,0.310192,5644,1,0,13,6542,15,0,634,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-01 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-01

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-01,0,0.315246,5644,1,0,13,6542,15,0,677,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-02 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-02

BEST_FIRST walk for 40004 steps (8 resets) in 364 ms. (109 steps per ms) remains 10/10 properties
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-02,0,0.316289,5644,1,0,13,6542,15,0,689,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-03 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-03,6,0.319425,5644,2,72,13,6542,16,0,740,2961,0
Invariant property Dekker-PT-010-ReachabilityFireability-2024-05 is true.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-05,0,0.324103,5644,1,0,13,6542,16,0,763,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-06 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-06

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-06,0,0.32468,5644,1,0,13,6542,16,0,763,2961,0
Invariant property Dekker-PT-010-ReachabilityFireability-2024-07 is true.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-07,0,0.329116,5644,1,0,13,6542,16,0,784,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-08 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-08

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-08,0,0.335609,5644,1,0,13,6542,16,0,821,2961,0
Invariant property Dekker-PT-010-ReachabilityFireability-2024-10 is true.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-10,0,0.345046,5644,1,0,13,6542,16,0,876,2961,0
Reachability property Dekker-PT-010-ReachabilityFireability-2024-14 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2024-14

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-010-ReachabilityFireability-2024-14,0,0.348255,5644,1,0,13,6542,16,0,898,2961,0
BEST_FIRST walk for 40004 steps (8 resets) in 457 ms. (87 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 10/10 properties
All properties solved without resorting to model-checking.
Total runtime 2567 ms.

BK_STOP 1779636605164

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Dekker-PT-010"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 Dekker-PT-010, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993600255"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-010.tgz
mv Dekker-PT-010 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;