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.r056-smll-177946902900162.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 CircularTrains-PT-384, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900162
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 7.1K Mar 5 14:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 5 14:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 5 14:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 14:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 08:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Mar 5 14:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 14:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 5 14:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:07 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 293K 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 1779475887599

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CircularTrains-PT-384
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:51:29] [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]
[2026-05-22 18:51:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:51:29] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2026-05-22 18:51:29] [INFO ] Transformed 768 places.
[2026-05-22 18:51:29] [INFO ] Transformed 384 transitions.
[2026-05-22 18:51:29] [INFO ] Parsed PT model containing 768 places and 384 transitions and 1536 arcs in 329 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 768/768 places, 384/384 transitions.
Applied a total of 0 rules in 41 ms. Remains 768 /768 variables (removed 0) and now considering 384/384 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6949776950514607370.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16035167696372826964.kers'
[2026-05-22 18:51:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6949776950514607370.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16035167696372826964.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 384 rows 768 cols 1536 entries
Finished phase 1 with 0 SingleSign rule and 383 generalized
[2026-05-22 18:51:29] [INFO ] Computed 385 invariants in 24 ms
Computed 385 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-16035167696372826964.kers
Total runtime 27 ms.
[2026-05-22 18:51:31] [INFO ] Implicit Places using invariants in 2016 ms returned [1, 7, 9, 17, 21, 26, 32, 42, 46, 48, 58, 63, 64, 71, 85, 86, 88, 98, 103, 107, 108, 109, 133, 135, 137, 158, 162, 167, 174, 179, 185, 193, 198, 203, 215, 220, 221, 230, 245, 246, 254, 270, 276, 287, 293, 301, 303, 331, 334, 340, 346, 347, 350, 351, 353, 354, 357, 365, 383, 390, 397, 403, 411, 412, 422, 426, 433, 447, 448, 449, 470, 475, 476, 485, 496, 502, 504, 505, 507, 508, 522, 525, 538, 539, 545, 551, 576, 579, 580, 586, 600, 607, 619, 622, 625, 628, 638, 643, 644, 647, 648, 662, 666, 671, 674, 677, 689, 693, 700, 708, 715, 718, 719, 723, 732, 735, 740, 741, 743, 746, 747, 749, 755, 758, 759, 760, 763, 764]
Discarding 128 places :
Implicit Place search using SMT only with invariants took 2092 ms to find 128 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 640/768 places, 384/384 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 640 transition count 256
Reduce places removed 128 places and 0 transitions.
Iterating post reduction 1 with 128 rules applied. Total rules applied 256 place count 512 transition count 256
Applied a total of 256 rules in 40 ms. Remains 512 /640 variables (removed 128) and now considering 256/384 (removed 128) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16033794027097884205.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2758253238767423493.kers'
[2026-05-22 18:51:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16033794027097884205.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2758253238767423493.kers]
Culling duplicate invariants (modulo rational): removing 256 columns.
Culled 256 columns in 1 ms.
// Phase 1: matrix 256 rows 256 cols 512 entries
Finished phase 1 with 184 SingleSign rule and 71 generalized
[2026-05-22 18:51:31] [INFO ] Computed 257 invariants in 4 ms
Computed 257 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2758253238767423493.kers
Total runtime 5 ms.
[2026-05-22 18:51:32] [INFO ] Implicit Places using invariants in 868 ms returned []
[2026-05-22 18:51:32] [INFO ] Invariant cache hit.
[2026-05-22 18:51:33] [INFO ] Implicit Places using invariants and state equation in 959 ms returned []
Implicit Place search using SMT with State Equation took 1830 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 512/768 places, 256/384 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4031 ms. Remains : 512/768 places, 256/384 transitions.
Initial state reduction rules removed 128 formulas.
RANDOM walk for 1505 steps (0 resets) in 376 ms. (3 steps per ms) remains 0/128 properties
[2026-05-22 18:51:34] [INFO ] Flatten gal took : 103 ms
[2026-05-22 18:51:34] [INFO ] Flatten gal took : 50 ms
[2026-05-22 18:51:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14786312726594321348.gal : 36 ms
[2026-05-22 18:51:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11910969072789895592.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/ReachabilityCardinality14786312726594321348.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11910969072789895592.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 256 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 4983 ms.

BK_STOP 1779475894429

--------------------
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="CircularTrains-PT-384"
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 CircularTrains-PT-384, 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 r056-smll-177946902900162"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-384.tgz
mv CircularTrains-PT-384 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 ;