fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695300046
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Diffusion2D-PT-D05N250

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
309.932 4218.00 12408.00 70.70 FTFFFFFFTFFFTTFT 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-177955695300046.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 Diffusion2D-PT-D05N250, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695300046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.9K Mar 6 16:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 16:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 16:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 09:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 6 16:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 55K 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 Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-00
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-01
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-02
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-03
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-04
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-05
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-06
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-07
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-08
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-09
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-10
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-11
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-12
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-13
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-14
FORMULA_NAME Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779561544721

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D05N250
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 18:39:05] [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]
[2026-05-23 18:39:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:39:06] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2026-05-23 18:39:06] [INFO ] Transformed 25 places.
[2026-05-23 18:39:06] [INFO ] Transformed 144 transitions.
[2026-05-23 18:39:06] [INFO ] Parsed PT model containing 25 places and 144 transitions and 288 arcs in 146 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40171 steps (8 resets) in 161 ms. (247 steps per ms) remains 10/16 properties
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 352 ms. (113 steps per ms) remains 10/10 properties
[2026-05-23 18:39:06] [INFO ] Flatten gal took : 32 ms
[2026-05-23 18:39:06] [INFO ] Flatten gal took : 12 ms
[2026-05-23 18:39:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14019163797786918652.gal : 9 ms
BEST_FIRST walk for 40004 steps (8 resets) in 674 ms. (59 steps per ms) remains 10/10 properties
[2026-05-23 18:39:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12858962426672618081.prop : 3 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/ReachabilityCardinality14019163797786918652.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12858962426672618081.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

BEST_FIRST walk for 40004 steps (8 resets) in 337 ms. (118 steps per ms) remains 10/10 properties
/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/ReachabilityCardinality12858962426672618081.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 11
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :11 after 73
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :73 after 82
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :82 after 410
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :410 after 6188
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 9/10 properties
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2055026245163899181.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17702586651056138271.kers'
[2026-05-23 18:39:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2055026245163899181.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17702586651056138271.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 144 rows 25 cols 288 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-23 18:39:06] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17702586651056138271.kers
Total runtime 1 ms.
Excessive predecessor constraint size, skipping predecessor.
Problem Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-03 is UNSAT
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-05 is UNSAT
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-07 is UNSAT
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-08 is UNSAT
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-14 is UNSAT
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 0/26 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 0/169 variables, 0/26 constraints. Problems are: Problem set: 5 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 169/169 variables, and 26 constraints, problems are : Problem set: 5 solved, 4 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 2/28 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/28 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/169 variables, 0/28 constraints. Problems are: Problem set: 5 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 169/169 variables, and 28 constraints, problems are : Problem set: 5 solved, 4 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 4/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 666ms problems are : Problem set: 5 solved, 4 unsolved
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-09 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 1304 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=434 )
FORMULA Diffusion2D-PT-D05N250-ReachabilityCardinality-2024-10 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 1254 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 2926 ms.

BK_STOP 1779561548939

--------------------
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="Diffusion2D-PT-D05N250"
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 Diffusion2D-PT-D05N250, 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-177955695300046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N250.tgz
mv Diffusion2D-PT-D05N250 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 ;