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-177955695400207.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-D50N010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 11K Mar 6 16:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 16:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 16:02 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 4.7K Mar 15 09:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 6 16:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 16:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:08 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 7.3M 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-D50N010-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D50N010-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779586995912

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-D50N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 01:43:17] [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]
[2026-05-24 01:43:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 01:43:17] [INFO ] Load time of PNML (sax parser for PT used): 503 ms
[2026-05-24 01:43:17] [INFO ] Transformed 2500 places.
[2026-05-24 01:43:17] [INFO ] Transformed 19404 transitions.
[2026-05-24 01:43:17] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 657 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40003 steps (8 resets) in 1324 ms. (30 steps per ms) remains 7/16 properties
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 145 ms. (273 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 365 ms. (109 steps per ms) remains 6/7 properties
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 273 ms. (146 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6909356396856297400.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18287885718702655003.kers'
[2026-05-24 01:43:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6909356396856297400.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18287885718702655003.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 19404 rows 2500 cols 38808 entries
Finished phase 1 with 2499 SingleSign rule and 0 generalized
[2026-05-24 01:43:19] [INFO ] Computed 1 invariants in 155 ms
Computed 1 P flows in 156 ms.
Exported basis to /tmp/petrispot-output-18287885718702655003.kers
Total runtime 168 ms.
Excessive predecessor constraint size, skipping predecessor.
[2026-05-24 01:43:19] [INFO ] Flatten gal took : 972 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2026-05-24 01:43:19] [INFO ] Flatten gal took : 380 ms
At refinement iteration 1 (OVERLAPS) 2457/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2026-05-24 01:43:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11041195475322357325.gal : 122 ms
[2026-05-24 01:43:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3455769947928512167.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/ReachabilityCardinality11041195475322357325.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3455769947928512167.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 ...329
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality3455769947928512167.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5054 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 2457/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 1/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10711ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 43 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 18728 edges and 2500 vertex of which 2457 / 2500 are part of one of the 1 SCC in 35 ms
Free SCC test removed 2456 places
Drop transitions (Empty/Sink Transition effects.) removed 18728 transitions
Ensure Unique test removed 590 transitions
Reduce isomorphic transitions removed 19318 transitions.
Applied a total of 1 rules in 110 ms. Remains 44 /2500 variables (removed 2456) and now considering 86/19404 (removed 19318) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 44/2500 places, 86/19404 transitions.
RANDOM walk for 40018 steps (8 resets) in 185 ms. (215 steps per ms) remains 0/6 properties
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N010-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 12681 ms.

BK_STOP 1779587009820

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-D50N010"
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-D50N010, 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-177955695400207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N010.tgz
mv Diffusion2D-PT-D50N010 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 ;