fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r354-tall-178024402800119
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LastZero-PT-N16

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
422.023 5277.00 11976.00 74.50 TFTTFFFTFFFTTTFT 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-178024402800119.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-N16, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800119
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users 6.7K May 27 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 27 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K 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 74K May 27 10:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 285K May 27 10:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.8K May 27 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 27 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 10:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K May 27 10:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 22K May 27 10:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 60K May 27 10:53 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 1.7M 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-N16-ReachabilityFireability-2024-00
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-01
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-02
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-03
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-04
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-05
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-06
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-07
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-08
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-09
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-10
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-11
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-12
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-13
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-14
FORMULA_NAME LastZero-PT-N16-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781099821027

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-N16
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 13:57:02] [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]
[2026-06-10 13:57:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 13:57:02] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2026-06-10 13:57:02] [INFO ] Transformed 612 places.
[2026-06-10 13:57:02] [INFO ] Transformed 5425 transitions.
[2026-06-10 13:57:02] [INFO ] Parsed PT model containing 612 places and 5425 transitions and 16787 arcs in 296 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 290 places in 23 ms
Reduce places removed 290 places and 3521 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (816 resets) in 1266 ms. (31 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (97 resets) in 315 ms. (126 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (96 resets) in 228 ms. (174 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (104 resets) in 161 ms. (246 steps per ms) remains 3/3 properties
[2026-06-10 13:57:03] [INFO ] Flatten gal took : 302 ms
[2026-06-10 13:57:03] [INFO ] Flatten gal took : 115 ms
[2026-06-10 13:57:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12089206907685192886.gal : 85 ms
[2026-06-10 13:57:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13254807889082625713.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/ReachabilityCardinality12089206907685192886.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13254807889082625713.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 ...330
Loading property file /tmp/ReachabilityCardinality13254807889082625713.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :6 after 18
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18 after 40
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :40 after 250
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :250 after 2129
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :2129 after 59362
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :59362 after 5.75795e+06
Reachability property LastZero-PT-N16-ReachabilityFireability-2024-12 is true.
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :5.75795e+06 after 1.56595e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.56595e+09 after 1.56595e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.56595e+09 after 1.56607e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.56607e+09 after 1.57215e+09
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,1.99793e+09,0.690931,19504,2,7132,17,18178,8,0,3172,6921,0
Total reachable state count : 1997932823

Verifying 3 reachability properties.
Reachability property LastZero-PT-N16-ReachabilityFireability-2024-05 does not hold.
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N16-ReachabilityFireability-2024-05

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-N16-ReachabilityFireability-2024-05,0,0.69622,19504,1,0,17,18178,8,0,3185,6921,0
Invariant property LastZero-PT-N16-ReachabilityFireability-2024-11 is true.
FORMULA LastZero-PT-N16-ReachabilityFireability-2024-11 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-N16-ReachabilityFireability-2024-11,0,0.698148,19504,1,0,17,18178,8,0,3192,6921,0
Reachability property LastZero-PT-N16-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-N16-ReachabilityFireability-2024-12,110771,0.698908,19504,2,1018,17,18178,9,0,3195,6921,0
Interrupted probabilistic random walk after 284641 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :1 out of 3
Probabilistic random walk after 284641 steps, saw 56892 distinct states, run finished after 3008 ms. (steps per millisecond=94 ) properties seen :1
All properties solved without resorting to model-checking.
Total runtime 4119 ms.

BK_STOP 1781099826304

--------------------
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-N16"
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-N16, 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-178024402800119"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-PT-N16.tgz
mv LastZero-PT-N16 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 ;