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-177955698500019.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-D05N150, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698500019
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.2K Mar 6 16:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 16:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 16:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K 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 4.0K Mar 15 09:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K Mar 6 16:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 6 16:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:01 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

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779607929800

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-D05N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-24 07:32:10] [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 07:32:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:32:11] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-05-24 07:32:11] [INFO ] Transformed 25 places.
[2026-05-24 07:32:11] [INFO ] Transformed 144 transitions.
[2026-05-24 07:32:11] [INFO ] Parsed PT model containing 25 places and 144 transitions and 288 arcs in 137 ms.
Discarding 119 transitions out of 144. Remains 25
Built sparse matrix representations for Structural reductions in 4 ms.15062KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 25/25 places, 144/144 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 88 transitions
Redundant transition composition rules discarded 88 transitions
Iterating global reduction 0 with 88 rules applied. Total rules applied 88 place count 25 transition count 56
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 88 rules in 23 ms. Remains 25 /25 variables (removed 0) and now considering 56/144 (removed 88) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 34 ms. Remains : 25/25 places, 56/144 transitions.
Random walk for 1250132 steps, including 0 resets, run took 156 ms (no deadlock found). (steps per millisecond=8013 )
Random directed walk for 1250027 steps, including 0 resets, run took 146 ms (no deadlock found). (steps per millisecond=8561 )
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7767757196218999982.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15128031792368002927.kers'
[2026-05-24 07:32:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7767757196218999982.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15128031792368002927.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 56 rows 25 cols 112 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-24 07:32:11] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-15128031792368002927.kers
Total runtime 10 ms.
[2026-05-24 07:32:11] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 144 edges and 25 vertex of which 25 / 25 are part of one of the 1 SCC in 3 ms
Free SCC test removed 24 places
Ensure Unique test removed 143 transitions
Reduce isomorphic transitions removed 143 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 27 ms. Remains 0 /25 variables (removed 25) and now considering 1/144 (removed 143) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6022719395882959705.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4045910446109232997.kers'
[2026-05-24 07:32:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6022719395882959705.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4045910446109232997.kers]
[2026-05-24 07:32:11] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4045910446109232997.kers
Total runtime 0 ms.
[2026-05-24 07:32:11] [INFO ] Implicit Places using invariants in 7 ms returned []
[2026-05-24 07:32:11] [INFO ] Invariant cache hit.
[2026-05-24 07:32:11] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 4ms
Starting structural reductions in LIVENESS mode, iteration 1 : 0/25 places, 1/144 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 91 ms. Remains : 0/25 places, 1/144 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 144 edges and 25 vertex of which 25 / 25 are part of one of the 1 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 143 transitions
Reduce isomorphic transitions removed 143 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 2 ms. Remains 0 /25 variables (removed 25) and now considering 1/144 (removed 143) transitions.
[2026-05-24 07:32:11] [INFO ] Invariant cache hit.
[2026-05-24 07:32:11] [INFO ] Implicit Places using invariants in 4 ms returned []
[2026-05-24 07:32:11] [INFO ] Invariant cache hit.
[2026-05-24 07:32:11] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 23 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 0/25 places, 1/144 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 26 ms. Remains : 0/25 places, 1/144 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 895 ms.

BK_STOP 1779607931881

--------------------
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
++ 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 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-D05N150"
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-D05N150, 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-177955698500019"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N150.tgz
mv Diffusion2D-PT-D05N150 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 ;