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.r136-smll-177955811100282.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 FlexibleBarrier-PT-22a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 828K
-rw-r--r-- 1 mcc users 6.2K Mar 7 07:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 07:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 07:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 07:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 7 07:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 07:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 07:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 384K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779618918801

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-22a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:35:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 10:35:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:35:21] [INFO ] Load time of PNML (sax parser for PT used): 344 ms
[2026-05-24 10:35:21] [INFO ] Transformed 267 places.
[2026-05-24 10:35:21] [INFO ] Transformed 1258 transitions.
[2026-05-24 10:35:21] [INFO ] Found NUPN structural information;
[2026-05-24 10:35:21] [INFO ] Parsed PT model containing 267 places and 1258 transitions and 6375 arcs in 610 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 267/267 places, 1258/1258 transitions.
Graph (trivial) has 221 edges and 267 vertex of which 66 / 267 are part of one of the 22 SCC in 16 ms
Free SCC test removed 44 places
Ensure Unique test removed 696 transitions
Reduce isomorphic transitions removed 696 transitions.
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 3 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 0 with 132 rules applied. Total rules applied 133 place count 157 transition count 496
Applied a total of 133 rules in 180 ms. Remains 157 /267 variables (removed 110) and now considering 496/1258 (removed 762) transitions.
[2026-05-24 10:35:22] [INFO ] Flow matrix only has 200 transitions (discarded 296 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9226704444178682502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3807294601756224104.kers'
[2026-05-24 10:35:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9226704444178682502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3807294601756224104.kers]
Normalized transition count is 199 out of 200 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 199 rows 155 cols 419 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-24 10:35:22] [INFO ] Computed 24 invariants in 1 ms
Computed 24 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-3807294601756224104.kers
Total runtime 6 ms.
[2026-05-24 10:35:23] [INFO ] Implicit Places using invariants in 1167 ms returned [155, 156]
Discarding 2 places :
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Implicit Place search using SMT only with invariants took 1228 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 155/267 places, 474/1258 transitions.
Graph (trivial) has 242 edges and 155 vertex of which 154 / 155 are part of one of the 22 SCC in 3 ms
Free SCC test removed 132 places
Ensure Unique test removed 220 transitions
Reduce isomorphic transitions removed 220 transitions.
Applied a total of 1 rules in 8 ms. Remains 23 /155 variables (removed 132) and now considering 254/474 (removed 220) transitions.
[2026-05-24 10:35:23] [INFO ] Flow matrix only has 2 transitions (discarded 252 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10530823664556707974.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11169650943717818358.kers'
[2026-05-24 10:35:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10530823664556707974.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11169650943717818358.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 10:35:23] [INFO ] Computed 22 invariants in 0 ms
Computed 22 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11169650943717818358.kers
Total runtime 1 ms.
[2026-05-24 10:35:23] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-24 10:35:23] [INFO ] Flow matrix only has 2 transitions (discarded 252 similar events)
[2026-05-24 10:35:23] [INFO ] Invariant cache hit.
[2026-05-24 10:35:23] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:35:23] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 23/267 places, 254/1258 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1582 ms. Remains : 23/267 places, 254/1258 transitions.
Discarding 22 transitions out of 254. Remains 232
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 17 ms. (0 steps per ms) remains 0/231 properties
[2026-05-24 10:35:24] [INFO ] Flatten gal took : 73 ms
[2026-05-24 10:35:24] [INFO ] Flatten gal took : 25 ms
[2026-05-24 10:35:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6272698746962615487.gal : 19 ms
[2026-05-24 10:35:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2423533576964383622.prop : 0 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/ReachabilityCardinality6272698746962615487.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2423533576964383622.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 232 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2836 ms.

BK_STOP 1779618924217

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="FlexibleBarrier-PT-22a"
export BK_EXAMINATION="QuasiLiveness"
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 FlexibleBarrier-PT-22a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r136-smll-177955811100282"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22a.tgz
mv FlexibleBarrier-PT-22a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;