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-177955811100262.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-18a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Mar 7 06:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 06:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 06:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 06:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 7 06:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 06:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 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 265K 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 1779618411951

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-18a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:26:54] [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 10:26:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:26:55] [INFO ] Load time of PNML (sax parser for PT used): 267 ms
[2026-05-24 10:26:55] [INFO ] Transformed 219 places.
[2026-05-24 10:26:55] [INFO ] Transformed 886 transitions.
[2026-05-24 10:26:55] [INFO ] Found NUPN structural information;
[2026-05-24 10:26:55] [INFO ] Parsed PT model containing 219 places and 886 transitions and 4355 arcs in 534 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 219/219 places, 886/886 transitions.
Graph (trivial) has 181 edges and 219 vertex of which 54 / 219 are part of one of the 18 SCC in 15 ms
Free SCC test removed 36 places
Ensure Unique test removed 462 transitions
Reduce isomorphic transitions removed 462 transitions.
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 2 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 0 with 108 rules applied. Total rules applied 109 place count 129 transition count 370
Applied a total of 109 rules in 128 ms. Remains 129 /219 variables (removed 90) and now considering 370/886 (removed 516) transitions.
[2026-05-24 10:26:55] [INFO ] Flow matrix only has 164 transitions (discarded 206 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12405034473605343899.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15891877171869684964.kers'
[2026-05-24 10:26:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12405034473605343899.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15891877171869684964.kers]
Normalized transition count is 163 out of 164 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 163 rows 127 cols 343 entries
Finished phase 1 with 109 SingleSign rule and 0 generalized
[2026-05-24 10:26:55] [INFO ] Computed 20 invariants in 1 ms
Computed 20 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-15891877171869684964.kers
Total runtime 5 ms.
[2026-05-24 10:26:56] [INFO ] Implicit Places using invariants in 1162 ms returned [127, 128]
Discarding 2 places :
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Implicit Place search using SMT only with invariants took 1247 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 127/219 places, 352/886 transitions.
Graph (trivial) has 198 edges and 127 vertex of which 126 / 127 are part of one of the 18 SCC in 1 ms
Free SCC test removed 108 places
Ensure Unique test removed 180 transitions
Reduce isomorphic transitions removed 180 transitions.
Applied a total of 1 rules in 6 ms. Remains 19 /127 variables (removed 108) and now considering 172/352 (removed 180) transitions.
[2026-05-24 10:26:56] [INFO ] Flow matrix only has 2 transitions (discarded 170 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3702580613875199465.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8362197163513697107.kers'
[2026-05-24 10:26:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3702580613875199465.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8362197163513697107.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 18 columns.
Culled 18 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 10:26:56] [INFO ] Computed 18 invariants in 0 ms
Computed 18 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8362197163513697107.kers
Total runtime 0 ms.
[2026-05-24 10:26:56] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-24 10:26:56] [INFO ] Flow matrix only has 2 transitions (discarded 170 similar events)
[2026-05-24 10:26:56] [INFO ] Invariant cache hit.
[2026-05-24 10:26:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:26:56] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 19/219 places, 172/886 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1550 ms. Remains : 19/219 places, 172/886 transitions.
Discarding 18 transitions out of 172. Remains 154
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 17 ms. (0 steps per ms) remains 0/153 properties
[2026-05-24 10:26:57] [INFO ] Flatten gal took : 62 ms
[2026-05-24 10:26:57] [INFO ] Flatten gal took : 21 ms
[2026-05-24 10:26:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality181786160172463285.gal : 17 ms
[2026-05-24 10:26:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6052422935104386998.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/ReachabilityCardinality181786160172463285.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6052422935104386998.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 154 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2725 ms.

BK_STOP 1779618417253

--------------------
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-18a"
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-18a, 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-177955811100262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18a.tgz
mv FlexibleBarrier-PT-18a 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 ;