fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r050-smll-177946901100175
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CircadianClock-PT-000001

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
245.184 3365.00 8187.00 85.30 TTTFTFFFFTTTTTFT 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.r050-smll-177946901100175.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 CircadianClock-PT-000001, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 6 10:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 31K Mar 6 10:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Mar 6 10:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 10:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 12K 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 CircadianClock-PT-000001-ReachabilityFireability-2024-00
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-01
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-02
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-03
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-04
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-05
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-06
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-07
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-08
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-09
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-10
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-11
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-12
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-13
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-14
FORMULA_NAME CircadianClock-PT-000001-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779553309456

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircadianClock-PT-000001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 16:21:51] [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]
[2026-05-23 16:21:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:21:51] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2026-05-23 16:21:51] [INFO ] Transformed 14 places.
[2026-05-23 16:21:51] [INFO ] Transformed 16 transitions.
[2026-05-23 16:21:51] [INFO ] Found NUPN structural information;
[2026-05-23 16:21:51] [INFO ] Parsed PT model containing 14 places and 16 transitions and 58 arcs in 308 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 31 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 8 formulas.
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 1301 ms. (30 steps per ms) remains 1/8 properties
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 16:21:52] [INFO ] Flatten gal took : 111 ms
[2026-05-23 16:21:52] [INFO ] Flatten gal took : 17 ms
BEST_FIRST walk for 40002 steps (8 resets) in 614 ms. (65 steps per ms) remains 1/1 properties
[2026-05-23 16:21:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14770709373385116819.gal : 10 ms
[2026-05-23 16:21:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3912647395858157979.prop : 4 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/ReachabilityCardinality14770709373385116819.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3912647395858157979.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2026-05-23 16:21:52] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)

its-reach command run as :
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12387508638739049663.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16891906344661737776.kers'

/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/ReachabilityCardinality3912647395858157979.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 16
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :48 after 64
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,128,0.040239,4184,2,22,9,351,7,0,104,214,0
Total reachable state count : 128

Verifying 1 reachability properties.
Invariant property CircadianClock-PT-000001-ReachabilityFireability-2024-01 is true.
FORMULA CircadianClock-PT-000001-ReachabilityFireability-2024-01 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
CircadianClock-PT-000001-ReachabilityFireability-2024-01,0,0.044924,4424,1,0,9,351,7,0,128,214,0
[2026-05-23 16:21:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12387508638739049663.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16891906344661737776.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 14 rows 7 cols 21 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-23 16:21:52] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16891906344661737776.kers
Total runtime 1 ms.
[2026-05-23 16:21:52] [INFO ] State equation strengthened by 2 read => feed constraints.
After SMT solving in domain Real declared 13/28 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 161 ms.
Refiners :[Domain max(s): 0/14 constraints, Positive P Invariants (semi-flows): 0/7 constraints, State Equation: 0/14 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 273ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 1467 ms.

BK_STOP 1779553312821

--------------------
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="CircadianClock-PT-000001"
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 CircadianClock-PT-000001, 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 r050-smll-177946901100175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-000001.tgz
mv CircadianClock-PT-000001 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 ;