Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r008-oct2-177944369600047.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AirplaneLD-PT-0010, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369600047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 700K
-rw-r--r-- 1 mcc users 18K Mar 4 17:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K Mar 4 17:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 4 17:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.3K Mar 15 06:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 15 06:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 15 06:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 30K Mar 15 06:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Mar 4 17:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Mar 4 17:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 4 17:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 4 17:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 06:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.5K Mar 15 06:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 48K 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 1779653860952

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AirplaneLD-PT-0010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:17:43] [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 20:17:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:17:43] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2026-05-24 20:17:43] [INFO ] Transformed 89 places.
[2026-05-24 20:17:43] [INFO ] Transformed 88 transitions.
[2026-05-24 20:17:43] [INFO ] Found NUPN structural information;
[2026-05-24 20:17:43] [INFO ] Parsed PT model containing 89 places and 88 transitions and 333 arcs in 152 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 89/89 places, 88/88 transitions.
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 54 transition count 88
Applied a total of 35 rules in 16 ms. Remains 54 /89 variables (removed 35) and now considering 88/88 (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-10956709737953987986.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6347140659709429622.kers'
[2026-05-24 20:17:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10956709737953987986.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6347140659709429622.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 54 cols 195 entries
Finished phase 1 with 48 SingleSign rule and 5 generalized
[2026-05-24 20:17:43] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6347140659709429622.kers
Total runtime 3 ms.
[2026-05-24 20:17:43] [INFO ] Implicit Places using invariants in 401 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 446 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 53/89 places, 88/88 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 53 transition count 86
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 51 transition count 86
Applied a total of 4 rules in 16 ms. Remains 51 /53 variables (removed 2) and now considering 86/88 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1740951726468353487.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11473561662483996734.kers'
[2026-05-24 20:17:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1740951726468353487.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11473561662483996734.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 86 rows 51 cols 189 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-24 20:17:43] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11473561662483996734.kers
Total runtime 3 ms.
[2026-05-24 20:17:44] [INFO ] Implicit Places using invariants in 226 ms returned []
[2026-05-24 20:17:44] [INFO ] Invariant cache hit.
[2026-05-24 20:17:44] [INFO ] Implicit Places using invariants and state equation in 516 ms returned []
Implicit Place search using SMT with State Equation took 748 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 51/89 places, 86/88 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1245 ms. Remains : 51/89 places, 86/88 transitions.
Discarding 39 transitions out of 86. Remains 47
Initial state reduction rules removed 5 formulas.
RANDOM walk for 10817 steps (1549 resets) in 645 ms. (16 steps per ms) remains 0/42 properties
[2026-05-24 20:17:45] [INFO ] Flatten gal took : 62 ms
[2026-05-24 20:17:45] [INFO ] Flatten gal took : 7 ms
[2026-05-24 20:17:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5822872113898960127.gal : 11 ms
[2026-05-24 20:17:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11201313968180113194.prop : 14 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/ReachabilityCardinality5822872113898960127.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11201313968180113194.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 47 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2087 ms.

BK_STOP 1779653865235

--------------------
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="AirplaneLD-PT-0010"
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 AirplaneLD-PT-0010, 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 r008-oct2-177944369600047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0010.tgz
mv AirplaneLD-PT-0010 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 ;