fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r114-smll-177955740400174
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Echo-PT-d03r03

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
293.863 3846.00 8990.00 60.10 FFTTFFTFTTFTFFTF 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.r114-smll-177955740400174.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 Echo-PT-d03r03, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400174
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.2K Mar 7 05:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 05:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 7 05:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 05:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 09:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 7 05:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 7 05:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 7 05:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:44 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 114K 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 Echo-PT-d03r03-ReachabilityCardinality-2024-00
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-01
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-02
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-03
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-04
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-05
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-06
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-07
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-08
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-09
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-10
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-11
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-12
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-13
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-14
FORMULA_NAME Echo-PT-d03r03-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779711978222

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d03r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 12:26:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:26:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:26:20] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2026-05-25 12:26:20] [INFO ] Transformed 265 places.
[2026-05-25 12:26:20] [INFO ] Transformed 206 transitions.
[2026-05-25 12:26:20] [INFO ] Found NUPN structural information;
[2026-05-25 12:26:20] [INFO ] Parsed PT model containing 265 places and 206 transitions and 1252 arcs in 278 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 12:26:20] [INFO ] Flatten gal took : 157 ms
RANDOM walk for 40000 steps (724 resets) in 2117 ms. (18 steps per ms) remains 1/6 properties
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 12:26:21] [INFO ] Flatten gal took : 136 ms
[2026-05-25 12:26:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12325842880617752362.gal : 95 ms
[2026-05-25 12:26:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality243196308075562471.prop : 2 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/ReachabilityCardinality12325842880617752362.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality243196308075562471.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (63 resets) in 1205 ms. (33 steps per ms) remains 1/1 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 ...328
Loading property file /tmp/ReachabilityCardinality243196308075562471.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17469106215290308995.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15344033147744637742.kers'
[2026-05-25 12:26:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17469106215290308995.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15344033147744637742.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 206 rows 265 cols 1252 entries
Finished phase 1 with 2 SingleSign rule and 128 generalized
[2026-05-25 12:26:21] [INFO ] Computed 135 invariants in 3 ms
Computed 135 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-15344033147744637742.kers
Total runtime 5 ms.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :12 after 56
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :56 after 299
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :299 after 550
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :550 after 1901
All remaining problems are real, not stopping.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1901 after 2275
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 31/62 variables, 9/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 31/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 16/78 variables, 5/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/78 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/88 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/88 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/88 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/90 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/90 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/90 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/90 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2275 after 4151
Problem Echo-PT-d03r03-ReachabilityCardinality-2024-12 is UNSAT
FORMULA Echo-PT-d03r03-ReachabilityCardinality-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 243/471 variables, and 203 constraints, problems are : Problem set: 1 solved, 0 unsolved in 457 ms.
Refiners :[Domain max(s): 90/265 constraints, Positive P Invariants (semi-flows): 18/25 constraints, Generalized P Invariants (flows): 95/110 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 645ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 2156 ms.

BK_STOP 1779711982068

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="Echo-PT-d03r03"
export BK_EXAMINATION="ReachabilityCardinality"
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 Echo-PT-d03r03, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740400174"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r03.tgz
mv Echo-PT-d03r03 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;