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.r002-oct2-177944366000133.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-2000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000133
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 54M
-rw-r--r-- 1 mcc users 1.5M Mar 4 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 4.7M Mar 4 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 630K Mar 4 16:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 3.6M Mar 4 16:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 787K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 430K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.7M Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4M Mar 4 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 11M Mar 4 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3M Mar 4 17:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13M Mar 4 17:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 152K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 277K Mar 15 07:01 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 8.7M 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-00
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-01
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-02
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-03
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-04
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-05
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-06
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-07
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-08
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-09
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-10
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-11
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-12
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-13
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-14
FORMULA_NAME AirplaneLD-PT-2000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779461773826

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-22 14:56:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 14:56:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:56:16] [INFO ] Load time of PNML (sax parser for PT used): 786 ms
[2026-05-22 14:56:16] [INFO ] Transformed 14019 places.
[2026-05-22 14:56:16] [INFO ] Transformed 16008 transitions.
[2026-05-22 14:56:16] [INFO ] Found NUPN structural information;
[2026-05-22 14:56:16] [INFO ] Parsed PT model containing 14019 places and 16008 transitions and 61028 arcs in 1098 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 34 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Reduce places removed 6002 places and 0 transitions.
FORMULA AirplaneLD-PT-2000-UpperBounds-04 4000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-07 2000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 1, 1, 0, 0, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA AirplaneLD-PT-2000-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13661022463767036782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16211978285709599938.kers'
[2026-05-22 14:56:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13661022463767036782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16211978285709599938.kers]
Culled 0 columns in 6 ms.
// Phase 1: matrix 16008 rows 8017 cols 45020 entries
Finished phase 1 with 8008 SingleSign rule and 6 generalized
[2026-05-22 14:56:17] [INFO ] Computed 3 invariants in 446 ms
Computed 3 P flows in 450 ms.
Exported basis to /tmp/petrispot-output-16211978285709599938.kers
Total runtime 459 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (1263 resets) in 6627 ms. (1 steps per ms)
FORMULA AirplaneLD-PT-2000-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AirplaneLD-PT-2000-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AirplaneLD-PT-2000-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AirplaneLD-PT-2000-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AirplaneLD-PT-2000-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AirplaneLD-PT-2000-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-22 14:56:24] [INFO ] Invariant cache hit.
[2026-05-22 14:56:25] [INFO ] [Real]Absence check using 2 positive place invariants in 177 ms returned sat
[2026-05-22 14:56:25] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 23 ms returned sat
[2026-05-22 14:56:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 8017 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place Speed_Left_Wheel_317) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 8017/8017 places, 16007/16007 transitions.
Graph (complete) has 21022 edges and 8017 vertex of which 2 are kept as prefixes of interest. Removing 8015 places using SCC suffix rule.17 ms
Discarding 8015 places :
Also discarding 14007 output transitions
Drop transitions (Output transitions of discarded places.) removed 14007 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1999 transitions
Reduce isomorphic transitions removed 1999 transitions.
Iterating post reduction 0 with 1999 rules applied. Total rules applied 2000 place count 2 transition count 1
Applied a total of 2000 rules in 73 ms. Remains 2 /8017 variables (removed 8015) and now considering 1/16007 (removed 16006) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 2/8017 places, 1/16007 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2641346027666595671.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15854212236612018294.kers'
[2026-05-22 14:56:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2641346027666595671.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15854212236612018294.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-22 14:56:29] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15854212236612018294.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (500000 resets) in 232 ms. (4291 steps per ms)
FORMULA AirplaneLD-PT-2000-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (500000 resets) in 172 ms. (5780 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 14304 ms.

BK_STOP 1779461789606

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-2000"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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-2000, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-oct2-177944366000133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-2000.tgz
mv AirplaneLD-PT-2000 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;