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-177955811000232.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-12a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000232
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 8.5K Mar 7 05:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 05:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:33 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 17 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 05:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 05:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 05:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 17 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:03 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 128K 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 1779617937314

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-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:18:59] [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 10:18:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:19:00] [INFO ] Load time of PNML (sax parser for PT used): 203 ms
[2026-05-24 10:19:00] [INFO ] Transformed 147 places.
[2026-05-24 10:19:00] [INFO ] Transformed 448 transitions.
[2026-05-24 10:19:00] [INFO ] Found NUPN structural information;
[2026-05-24 10:19:00] [INFO ] Parsed PT model containing 147 places and 448 transitions and 2045 arcs in 443 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 147/147 places, 448/448 transitions.
Graph (trivial) has 121 edges and 147 vertex of which 36 / 147 are part of one of the 12 SCC in 18 ms
Free SCC test removed 24 places
Ensure Unique test removed 201 transitions
Reduce isomorphic transitions removed 201 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 87 transition count 211
Applied a total of 73 rules in 116 ms. Remains 87 /147 variables (removed 60) and now considering 211/448 (removed 237) transitions.
[2026-05-24 10:19:00] [INFO ] Flow matrix only has 110 transitions (discarded 101 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10111746874102198824.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18315761142011483000.kers'
[2026-05-24 10:19:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10111746874102198824.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18315761142011483000.kers]
Normalized transition count is 109 out of 110 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 109 rows 85 cols 229 entries
Finished phase 1 with 73 SingleSign rule and 0 generalized
[2026-05-24 10:19:00] [INFO ] Computed 14 invariants in 1 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18315761142011483000.kers
Total runtime 2 ms.
[2026-05-24 10:19:01] [INFO ] Implicit Places using invariants in 931 ms returned [85, 86]
Discarding 2 places :
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT only with invariants took 1004 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 85/147 places, 199/448 transitions.
Graph (trivial) has 132 edges and 85 vertex of which 84 / 85 are part of one of the 12 SCC in 1 ms
Free SCC test removed 72 places
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Applied a total of 1 rules in 8 ms. Remains 13 /85 variables (removed 72) and now considering 79/199 (removed 120) transitions.
[2026-05-24 10:19:01] [INFO ] Flow matrix only has 2 transitions (discarded 77 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7002208751961094445.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13583047285725221435.kers'
[2026-05-24 10:19:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7002208751961094445.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13583047285725221435.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 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 10:19:01] [INFO ] Computed 12 invariants in 1 ms
Computed 12 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-13583047285725221435.kers
Total runtime 7 ms.
[2026-05-24 10:19:01] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-24 10:19:01] [INFO ] Flow matrix only has 2 transitions (discarded 77 similar events)
[2026-05-24 10:19:01] [INFO ] Invariant cache hit.
[2026-05-24 10:19:01] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:19:01] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 13/147 places, 79/448 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1299 ms. Remains : 13/147 places, 79/448 transitions.
Discarding 12 transitions out of 79. Remains 67
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 9 ms. (0 steps per ms) remains 0/66 properties
[2026-05-24 10:19:02] [INFO ] Flatten gal took : 48 ms
[2026-05-24 10:19:02] [INFO ] Flatten gal took : 12 ms
[2026-05-24 10:19:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality283351204163181051.gal : 12 ms
[2026-05-24 10:19:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2501858581204793412.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/ReachabilityCardinality283351204163181051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2501858581204793412.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 67 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2419 ms.

BK_STOP 1779617942358

--------------------
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-12a"
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-12a, 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-177955811000232"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12a.tgz
mv FlexibleBarrier-PT-12a 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 ;