fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r058-smll-174854064400590
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Diffusion2D-PT-D50N050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 12939.00 0.00 0.00 TTFFTFTTFFFTTTTF normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064400590.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Diffusion2D-PT-D50N050, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064400590
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 7.3M May 29 14:32 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-D50N050-ReachabilityCardinality-2025-00
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-01
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-02
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-03
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-04
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-05
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-06
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-07
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-08
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-09
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-10
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-11
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-12
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-13
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-14
FORMULA_NAME Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748895097938

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-D50N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 20:11:39] [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]
[2025-06-02 20:11:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 20:11:41] [INFO ] Load time of PNML (sax parser for PT used): 892 ms
[2025-06-02 20:11:41] [INFO ] Transformed 2500 places.
[2025-06-02 20:11:41] [INFO ] Transformed 19404 transitions.
[2025-06-02 20:11:41] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 1144 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 32 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40128 steps (8 resets) in 725 ms. (55 steps per ms) remains 13/16 properties
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 935 ms. (42 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 394 ms. (101 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 251 ms. (158 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 140 ms. (283 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 295 ms. (135 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 13/13 properties
// Phase 1: matrix 19404 rows 2500 cols
[2025-06-02 20:11:43] [INFO ] Computed 1 invariants in 342 ms
Excessive predecessor constraint size, skipping predecessor.
[2025-06-02 20:11:43] [INFO ] Flatten gal took : 1321 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 20:11:44] [INFO ] Flatten gal took : 577 ms
[2025-06-02 20:11:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality49590184724445097.gal : 244 ms
All remaining problems are real, not stopping.
[2025-06-02 20:11:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6499873480472620169.prop : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality49590184724445097.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6499873480472620169.prop' '--nowitness' '--gen-order' 'FOLLOW'
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...326
Problem Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-02 is UNSAT
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-12 is UNSAT
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 2251/2500 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 11 unsolved
Loading property file /tmp/ReachabilityCardinality6499873480472620169.prop.
SMT process timed out in 5972ms, After SMT, problems are : Problem set: 2 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 174 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 16776 edges and 2500 vertex of which 2326 / 2500 are part of one of the 1 SCC in 40 ms
Free SCC test removed 2325 places
Drop transitions (Empty/Sink Transition effects.) removed 16776 transitions
Ensure Unique test removed 2206 transitions
Reduce isomorphic transitions removed 18982 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 96 transitions
Redundant transition composition rules discarded 96 transitions
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 175 transition count 326
Applied a total of 97 rules in 241 ms. Remains 175 /2500 variables (removed 2325) and now considering 326/19404 (removed 19078) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 259 ms. Remains : 175/2500 places, 326/19404 transitions.
RANDOM walk for 40139 steps (8 resets) in 340 ms. (117 steps per ms) remains 4/11 properties
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 3/4 properties
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 3/3 properties
// Phase 1: matrix 326 rows 175 cols
[2025-06-02 20:11:49] [INFO ] Computed 1 invariants in 5 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 91/175 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 326/501 variables, 175/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/501 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 176 constraints, problems are : Problem set: 0 solved, 3 unsolved in 487 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 175/175 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 91/175 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 326/501 variables, 175/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 501/501 variables, and 178 constraints, problems are : Problem set: 0 solved, 3 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 175/175 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1285ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-10 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 57 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=57 )
FORMULA Diffusion2D-PT-D50N050-ReachabilityCardinality-2025-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 145 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 10864 ms.

BK_STOP 1748895110877

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-D50N050"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D50N050, 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 r058-smll-174854064400590"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N050.tgz
mv Diffusion2D-PT-D50N050 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 ;