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-177955811000192.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-04a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 5.1K Mar 7 05:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 7 05:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 05:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 05:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 05:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K Mar 7 05:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 7 05:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 7 05:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:10 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 23K 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 1779617374742

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-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:09:37] [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 10:09:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:09:37] [INFO ] Load time of PNML (sax parser for PT used): 107 ms
[2026-05-24 10:09:37] [INFO ] Transformed 51 places.
[2026-05-24 10:09:37] [INFO ] Transformed 88 transitions.
[2026-05-24 10:09:37] [INFO ] Found NUPN structural information;
[2026-05-24 10:09:37] [INFO ] Parsed PT model containing 51 places and 88 transitions and 309 arcs in 347 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 51/51 places, 88/88 transitions.
Graph (trivial) has 41 edges and 51 vertex of which 12 / 51 are part of one of the 4 SCC in 12 ms
Free SCC test removed 8 places
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 25 place count 31 transition count 55
Applied a total of 25 rules in 83 ms. Remains 31 /51 variables (removed 20) and now considering 55/88 (removed 33) transitions.
[2026-05-24 10:09:37] [INFO ] Flow matrix only has 38 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2555588029360743698.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16180684881289828029.kers'
[2026-05-24 10:09:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2555588029360743698.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16180684881289828029.kers]
Normalized transition count is 37 out of 38 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 37 rows 29 cols 77 entries
Finished phase 1 with 25 SingleSign rule and 0 generalized
[2026-05-24 10:09:37] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16180684881289828029.kers
Total runtime 2 ms.
[2026-05-24 10:09:38] [INFO ] Implicit Places using invariants in 486 ms returned [29, 30]
Discarding 2 places :
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Implicit Place search using SMT only with invariants took 557 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 29/51 places, 51/88 transitions.
Graph (trivial) has 44 edges and 29 vertex of which 28 / 29 are part of one of the 4 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Applied a total of 1 rules in 2 ms. Remains 5 /29 variables (removed 24) and now considering 11/51 (removed 40) transitions.
[2026-05-24 10:09:38] [INFO ] Flow matrix only has 2 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12168020451172928229.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9062835523679094308.kers'
[2026-05-24 10:09:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12168020451172928229.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9062835523679094308.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 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 10:09:38] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9062835523679094308.kers
Total runtime 0 ms.
[2026-05-24 10:09:38] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 10:09:38] [INFO ] Flow matrix only has 2 transitions (discarded 9 similar events)
[2026-05-24 10:09:38] [INFO ] Invariant cache hit.
[2026-05-24 10:09:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:09:38] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 5/51 places, 11/88 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 787 ms. Remains : 5/51 places, 11/88 transitions.
Discarding 4 transitions out of 11. Remains 7
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 8 ms. (0 steps per ms) remains 0/6 properties
[2026-05-24 10:09:38] [INFO ] Flatten gal took : 36 ms
[2026-05-24 10:09:38] [INFO ] Flatten gal took : 3 ms
[2026-05-24 10:09:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15151012075328740270.gal : 7 ms
[2026-05-24 10:09:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8368811267167932526.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/ReachabilityCardinality15151012075328740270.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8368811267167932526.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 7 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1678 ms.

BK_STOP 1779617378860

--------------------
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-04a"
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-04a, 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-177955811000192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04a.tgz
mv FlexibleBarrier-PT-04a 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 ;