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-177955811100272.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 FlexibleBarrier-PT-20a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 740K
-rw-r--r-- 1 mcc users 6.4K Mar 7 07:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 07:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 06:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 7 06:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 07:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 7 07:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 7 07:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 7 07:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:15 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 321K 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 1779618599029

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-20a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:30:00] [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 10:30:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:30:01] [INFO ] Load time of PNML (sax parser for PT used): 202 ms
[2026-05-24 10:30:01] [INFO ] Transformed 243 places.
[2026-05-24 10:30:01] [INFO ] Transformed 1064 transitions.
[2026-05-24 10:30:01] [INFO ] Found NUPN structural information;
[2026-05-24 10:30:01] [INFO ] Parsed PT model containing 243 places and 1064 transitions and 5317 arcs in 391 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 243/243 places, 1064/1064 transitions.
Graph (trivial) has 201 edges and 243 vertex of which 60 / 243 are part of one of the 20 SCC in 12 ms
Free SCC test removed 40 places
Ensure Unique test removed 573 transitions
Reduce isomorphic transitions removed 573 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 1 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 0 with 120 rules applied. Total rules applied 121 place count 143 transition count 431
Applied a total of 121 rules in 95 ms. Remains 143 /243 variables (removed 100) and now considering 431/1064 (removed 633) transitions.
[2026-05-24 10:30:01] [INFO ] Flow matrix only has 182 transitions (discarded 249 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15481400961643039183.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-514798392030960635.kers'
[2026-05-24 10:30:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15481400961643039183.kers, --Pflows, --basisKERS=/tmp/petrispot-output-514798392030960635.kers]
Normalized transition count is 181 out of 182 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 181 rows 141 cols 381 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-24 10:30:01] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-514798392030960635.kers
Total runtime 2 ms.
[2026-05-24 10:30:02] [INFO ] Implicit Places using invariants in 1159 ms returned [141, 142]
Discarding 2 places :
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Implicit Place search using SMT only with invariants took 1246 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 141/243 places, 411/1064 transitions.
Graph (trivial) has 220 edges and 141 vertex of which 140 / 141 are part of one of the 20 SCC in 2 ms
Free SCC test removed 120 places
Ensure Unique test removed 200 transitions
Reduce isomorphic transitions removed 200 transitions.
Applied a total of 1 rules in 7 ms. Remains 21 /141 variables (removed 120) and now considering 211/411 (removed 200) transitions.
[2026-05-24 10:30:02] [INFO ] Flow matrix only has 2 transitions (discarded 209 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1317118242101254347.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15638309603006074817.kers'
[2026-05-24 10:30:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1317118242101254347.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15638309603006074817.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 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 10:30:02] [INFO ] Computed 20 invariants in 0 ms
Computed 20 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15638309603006074817.kers
Total runtime 0 ms.
[2026-05-24 10:30:02] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-24 10:30:02] [INFO ] Flow matrix only has 2 transitions (discarded 209 similar events)
[2026-05-24 10:30:02] [INFO ] Invariant cache hit.
[2026-05-24 10:30:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:30:02] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 21/243 places, 211/1064 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1503 ms. Remains : 21/243 places, 211/1064 transitions.
Discarding 20 transitions out of 211. Remains 191
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 14 ms. (0 steps per ms) remains 0/190 properties
[2026-05-24 10:30:03] [INFO ] Flatten gal took : 79 ms
[2026-05-24 10:30:03] [INFO ] Flatten gal took : 15 ms
[2026-05-24 10:30:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5505590987424559056.gal : 12 ms
[2026-05-24 10:30:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3796153429224584955.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/ReachabilityCardinality5505590987424559056.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3796153429224584955.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 191 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2512 ms.

BK_STOP 1779618603488

--------------------
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-20a"
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-20a, 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-177955811100272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-20a.tgz
mv FlexibleBarrier-PT-20a 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 ;