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.r104-tall-177955698600109.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-D40N010, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698600109
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.0M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 16:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 16:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 6 16:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 16:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 55K Mar 6 16:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 6 16:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 16:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 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 4.7M 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

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779608083232

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Diffusion2D-PT-D40N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-24 07:34:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 07:34:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:34:44] [INFO ] Load time of PNML (sax parser for PT used): 422 ms
[2026-05-24 07:34:44] [INFO ] Transformed 1600 places.
[2026-05-24 07:34:44] [INFO ] Transformed 12324 transitions.
[2026-05-24 07:34:45] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 582 ms.
Discarding 10724 transitions out of 12324. Remains 1600
Built sparse matrix representations for Structural reductions in 12 ms.44471KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 7644 transitions
Redundant transition composition rules discarded 7644 transitions
Iterating global reduction 0 with 7644 rules applied. Total rules applied 7644 place count 1600 transition count 4680
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 7644 rules in 262 ms. Remains 1600 /1600 variables (removed 0) and now considering 4680/12324 (removed 7644) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 274 ms. Remains : 1600/1600 places, 4680/12324 transitions.
Random walk for 1250005 steps, including 0 resets, run took 1364 ms (no deadlock found). (steps per millisecond=916 )
Random directed walk for 1250005 steps, including 0 resets, run took 1635 ms (no deadlock found). (steps per millisecond=764 )
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11233477194424447635.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1508600474562732933.kers'
[2026-05-24 07:34:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11233477194424447635.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1508600474562732933.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4680 rows 1600 cols 9360 entries
Finished phase 1 with 1599 SingleSign rule and 0 generalized
[2026-05-24 07:34:48] [INFO ] Computed 1 invariants in 29 ms
Computed 1 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-1508600474562732933.kers
Total runtime 34 ms.
[2026-05-24 07:34:49] [INFO ] [Real]Absence check using 1 positive place invariants in 44 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12324 edges and 1600 vertex of which 1600 / 1600 are part of one of the 1 SCC in 9 ms
Free SCC test removed 1599 places
Ensure Unique test removed 12323 transitions
Reduce isomorphic transitions removed 12323 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 0 transition count 1
Applied a total of 2 rules in 45 ms. Remains 0 /1600 variables (removed 1600) and now considering 1/12324 (removed 12323) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3796890973540452726.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1568944058886443153.kers'
[2026-05-24 07:34:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3796890973540452726.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1568944058886443153.kers]
[2026-05-24 07:34:49] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-1568944058886443153.kers
Total runtime 7 ms.
[2026-05-24 07:34:49] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-24 07:34:49] [INFO ] Invariant cache hit.
[2026-05-24 07:34:49] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 2ms
Starting structural reductions in LIVENESS mode, iteration 1 : 0/1600 places, 1/12324 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 100 ms. Remains : 0/1600 places, 1/12324 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12324 edges and 1600 vertex of which 1600 / 1600 are part of one of the 1 SCC in 7 ms
Free SCC test removed 1599 places
Ensure Unique test removed 12323 transitions
Reduce isomorphic transitions removed 12323 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 0 transition count 1
Applied a total of 2 rules in 21 ms. Remains 0 /1600 variables (removed 1600) and now considering 1/12324 (removed 12323) transitions.
[2026-05-24 07:34:49] [INFO ] Invariant cache hit.
[2026-05-24 07:34:49] [INFO ] Implicit Places using invariants in 5 ms returned []
[2026-05-24 07:34:49] [INFO ] Invariant cache hit.
[2026-05-24 07:34:49] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 29 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 0/1600 places, 1/12324 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 51 ms. Remains : 0/1600 places, 1/12324 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 4931 ms.

BK_STOP 1779608089372

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-D40N010"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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-D40N010, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r104-tall-177955698600109"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N010.tgz
mv Diffusion2D-PT-D40N010 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;