fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r354-tall-178024402800087
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LastZero-PT-N08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
300.871 2278.00 6479.00 28.00 FFFFFTFTTFFFTTTF 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.r354-tall-178024402800087.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 LastZero-PT-N08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 860K
-rw-r--r-- 1 mcc users 9.2K May 27 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 27 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 22K May 27 10:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 27 10:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 27 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 27 10:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 27 10:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K May 27 10:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.1K May 27 10:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 273K Jun 10 11:58 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 LastZero-PT-N08-ReachabilityFireability-2024-00
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-01
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-02
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-03
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-04
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-05
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-06
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-07
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-08
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-09
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-10
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-11
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-12
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-13
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-14
FORMULA_NAME LastZero-PT-N08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781099662240

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-PT-N08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 13:54:23] [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]
[2026-06-10 13:54:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 13:54:23] [INFO ] Load time of PNML (sax parser for PT used): 89 ms
[2026-06-10 13:54:23] [INFO ] Transformed 180 places.
[2026-06-10 13:54:23] [INFO ] Transformed 857 transitions.
[2026-06-10 13:54:23] [INFO ] Parsed PT model containing 180 places and 857 transitions and 2699 arcs in 175 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 82 places in 5 ms
Reduce places removed 82 places and 545 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 13:54:24] [INFO ] Flatten gal took : 78 ms
RANDOM walk for 40000 steps (1600 resets) in 1217 ms. (32 steps per ms) remains 7/8 properties
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-06-10 13:54:24] [INFO ] Flatten gal took : 57 ms
[2026-06-10 13:54:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14573161720855270055.gal : 18 ms
BEST_FIRST walk for 40002 steps (344 resets) in 438 ms. (91 steps per ms) remains 7/7 properties
[2026-06-10 13:54:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7260763992079849231.prop : 1 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/ReachabilityCardinality14573161720855270055.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7260763992079849231.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7260763992079849231.prop.
BEST_FIRST walk for 40003 steps (333 resets) in 229 ms. (173 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :6 after 18
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :18 after 26
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :26 after 305
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :305 after 2131
Invariant property LastZero-PT-N08-ReachabilityFireability-2024-15 does not hold.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property LastZero-PT-N08-ReachabilityFireability-2024-12 is true.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :2131 after 41504
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :41504 after 41600
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :41600 after 42056
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :42056 after 52596
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,52919,0.074204,6528,2,1065,16,3454,11,0,711,1503,0
Total reachable state count : 52919

Verifying 7 reachability properties.
Reachability property LastZero-PT-N08-ReachabilityFireability-2024-02 does not hold.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N08-ReachabilityFireability-2024-02

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N08-ReachabilityFireability-2024-02,0,0.075589,6528,1,0,16,3454,11,0,729,1503,0
Reachability property LastZero-PT-N08-ReachabilityFireability-2024-03 does not hold.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N08-ReachabilityFireability-2024-03

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N08-ReachabilityFireability-2024-03,0,0.076002,6528,1,0,16,3454,11,0,735,1503,0
Invariant property LastZero-PT-N08-ReachabilityFireability-2024-08 is true.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-08 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
LastZero-PT-N08-ReachabilityFireability-2024-08,0,0.076514,6528,1,0,16,3454,11,0,742,1503,0
Reachability property LastZero-PT-N08-ReachabilityFireability-2024-12 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
LastZero-PT-N08-ReachabilityFireability-2024-12,41,0.07697,6528,2,138,16,3454,12,0,752,1503,0
Invariant property LastZero-PT-N08-ReachabilityFireability-2024-13 is true.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-13 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
LastZero-PT-N08-ReachabilityFireability-2024-13,0,0.077297,6528,1,0,16,3454,12,0,753,1503,0
Invariant property LastZero-PT-N08-ReachabilityFireability-2024-14 is true.
FORMULA LastZero-PT-N08-ReachabilityFireability-2024-14 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
LastZero-PT-N08-ReachabilityFireability-2024-14,0,0.078467,6528,1,0,16,3454,12,0,759,1503,0
Invariant property LastZero-PT-N08-ReachabilityFireability-2024-15 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N08-ReachabilityFireability-2024-15,3,0.078862,6528,2,101,16,3454,13,0,768,1503,0
BEST_FIRST walk for 40004 steps (331 resets) in 205 ms. (194 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (377 resets) in 142 ms. (279 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40003 steps (336 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (351 resets) in 237 ms. (168 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (338 resets) in 86 ms. (459 steps per ms) remains 6/6 properties
All properties solved without resorting to model-checking.
Total runtime 1115 ms.

BK_STOP 1781099664518

--------------------
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="LastZero-PT-N08"
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 LastZero-PT-N08, 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 r354-tall-178024402800087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-PT-N08.tgz
mv LastZero-PT-N08 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 ;