fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695600534
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCround-PT-04b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
547.483 5813.00 15810.00 42.90 TFFTFTFFFTTFFTTT 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.r098-tall-177955695600534.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 DLCround-PT-04b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600534
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 940K
-rw-r--r-- 1 mcc users 8.4K Mar 6 17:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 17:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 17:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 17:20 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 3.6K Mar 15 09:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 17:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 51K Mar 6 17:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 17:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 17:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:22 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 547K 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 DLCround-PT-04b-ReachabilityCardinality-2024-00
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-01
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-02
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-03
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-04
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-05
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-06
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-07
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-08
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-09
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-10
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-11
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-12
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-13
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-14
FORMULA_NAME DLCround-PT-04b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779629304309

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 13:28:25] [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]
[2026-05-24 13:28:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:28:25] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2026-05-24 13:28:25] [INFO ] Transformed 1680 places.
[2026-05-24 13:28:25] [INFO ] Transformed 2364 transitions.
[2026-05-24 13:28:25] [INFO ] Found NUPN structural information;
[2026-05-24 13:28:25] [INFO ] Parsed PT model containing 1680 places and 2364 transitions and 6156 arcs in 249 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 1761 ms. (22 steps per ms) remains 1/15 properties
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 240 ms. (165 steps per ms) remains 1/1 properties
[2026-05-24 13:28:26] [INFO ] Flatten gal took : 215 ms
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14154897672376692416.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7036170470766236401.kers'
[2026-05-24 13:28:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14154897672376692416.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7036170470766236401.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2364 rows 1680 cols 6156 entries
Finished phase 1 with 1611 SingleSign rule and 0 generalized
[2026-05-24 13:28:26] [INFO ] Computed 69 invariants in 16 ms
Computed 69 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-7036170470766236401.kers
Total runtime 24 ms.
[2026-05-24 13:28:26] [INFO ] Flatten gal took : 109 ms
[2026-05-24 13:28:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12588004464718785744.gal : 59 ms
[2026-05-24 13:28:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11518423760648836191.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/ReachabilityCardinality12588004464718785744.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11518423760648836191.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
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 296/299 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 296/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality11518423760648836191.prop.
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1381/1680 variables, 66/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1680 variables, 1381/1749 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1680 variables, 0/1749 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2364/4044 variables, 1680/3429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4044 variables, 0/3429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/4044 variables, 0/3429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4044/4044 variables, and 3429 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1444 ms.
Refiners :[Domain max(s): 1680/1680 constraints, Positive P Invariants (semi-flows): 69/69 constraints, State Equation: 1680/1680 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 296/299 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 296/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1381/1680 variables, 66/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1680 variables, 1381/1749 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1680 variables, 0/1749 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 29
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :29 after 361
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :361 after 1302
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1302 after 13050
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :13050 after 16218
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :16218 after 37334
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :37334 after 81926
At refinement iteration 8 (OVERLAPS) 2364/4044 variables, 1680/3429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :81926 after 1.65252e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.65252e+06 after 6.179e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.179e+06 after 1.84037e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4044/4044 variables, and 3430 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1908 ms.
Refiners :[Domain max(s): 1680/1680 constraints, Positive P Invariants (semi-flows): 69/69 constraints, State Equation: 1680/1680 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3515ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 325 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=81 )
FORMULA DLCround-PT-04b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 10 ms.
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 4591 ms.

BK_STOP 1779629310122

--------------------
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="DLCround-PT-04b"
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 DLCround-PT-04b, 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 r098-tall-177955695600534"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-04b.tgz
mv DLCround-PT-04b 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 ;