fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695300079
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Diffusion2D-PT-D10N050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
284.491 3020.00 6521.00 30.30 FFFTFFTFFFFTFTFT 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-177955695300079.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 Diffusion2D-PT-D10N050, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695300079
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 740K
-rw-r--r-- 1 mcc users 5.9K Mar 6 16:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 6 16:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 16:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 16:05 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 4.4K Mar 15 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 16:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Mar 6 16:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 6 16:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:03 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 255K 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-D10N050-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D10N050-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779565730852

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D10N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 19:48:51] [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 19:48:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:48:52] [INFO ] Load time of PNML (sax parser for PT used): 94 ms
[2026-05-23 19:48:52] [INFO ] Transformed 100 places.
[2026-05-23 19:48:52] [INFO ] Transformed 684 transitions.
[2026-05-23 19:48:52] [INFO ] Parsed PT model containing 100 places and 684 transitions and 1368 arcs in 183 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40039 steps (8 resets) in 266 ms. (149 steps per ms) remains 8/14 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 464 ms. (86 steps per ms) remains 7/8 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 6/7 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 5/6 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 428 ms. (93 steps per ms) remains 5/5 properties
[2026-05-23 19:48:52] [INFO ] Flatten gal took : 138 ms
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 4/5 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 3/4 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 2/3 properties
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 19:48:52] [INFO ] Flatten gal took : 82 ms
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10146395028867045182.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16953267495261125457.kers'
[2026-05-23 19:48:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17769942761012775307.gal : 45 ms
[2026-05-23 19:48:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5180062784273037822.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/ReachabilityCardinality17769942761012775307.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5180062784273037822.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2026-05-23 19:48:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10146395028867045182.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16953267495261125457.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 684 rows 100 cols 1368 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 19:48:52] [INFO ] Computed 1 invariants in 3 ms
Computed 1 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-16953267495261125457.kers
Total runtime 5 ms.

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 ...329
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality5180062784273037822.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :23 after 29
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :29 after 42
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :42 after 680
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :680 after 1039
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1039 after 24551
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 2 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 2 unsolved in 394 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 912ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 179 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=35 )
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D10N050-ReachabilityFireability-2024-00 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 2 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 1819 ms.

BK_STOP 1779565733872

--------------------
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="Diffusion2D-PT-D10N050"
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 Diffusion2D-PT-D10N050, 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 r098-tall-177955695300079"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D10N050.tgz
mv Diffusion2D-PT-D10N050 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 ;