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-oct2-177944369900347.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 AutoFlight-PT-24a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369900347
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 7.9K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 16:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 5 16:30 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 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:15 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 169K 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 1779656122712

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-24a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:55:24] [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 20:55:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:55:24] [INFO ] Load time of PNML (sax parser for PT used): 181 ms
[2026-05-24 20:55:24] [INFO ] Transformed 607 places.
[2026-05-24 20:55:24] [INFO ] Transformed 605 transitions.
[2026-05-24 20:55:24] [INFO ] Found NUPN structural information;
[2026-05-24 20:55:24] [INFO ] Parsed PT model containing 607 places and 605 transitions and 1940 arcs in 313 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 607/607 places, 605/605 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 190 rules applied. Total rules applied 190 place count 607 transition count 415
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 260 place count 537 transition count 415
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 26 Pre rules applied. Total rules applied 260 place count 537 transition count 389
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 312 place count 511 transition count 389
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 408 place count 463 transition count 341
Applied a total of 408 rules in 85 ms. Remains 463 /607 variables (removed 144) and now considering 341/605 (removed 264) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3452620668040123318.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12214290343569955301.kers'
[2026-05-24 20:55:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3452620668040123318.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12214290343569955301.kers]
Culling duplicate invariants (modulo rational): removing 72 columns.
Culled 72 columns in 0 ms.
// Phase 1: matrix 341 rows 391 cols 956 entries
Finished phase 1 with 289 SingleSign rule and 26 generalized
[2026-05-24 20:55:24] [INFO ] Computed 148 invariants in 2 ms
Computed 148 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12214290343569955301.kers
Total runtime 4 ms.
[2026-05-24 20:55:55] [INFO ] Performed 451/463 implicitness test of which 96 returned IMPLICIT in 30 seconds.
[2026-05-24 20:55:55] [INFO ] Implicit Places using invariants in 30877 ms returned [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 242, 316, 322, 328, 334, 340, 346, 352, 358, 364, 370, 376, 382, 388, 394, 400, 406, 412, 418, 424, 430, 436, 442, 448, 454, 460, 462]
Discarding 99 places :
Implicit Place search using SMT only with invariants took 30944 ms to find 99 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 364/607 places, 341/605 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 144 transitions
Trivial Post-agglo rules discarded 144 transitions
Performed 144 trivial Post agglomeration. Transition count delta: 144
Iterating post reduction 0 with 144 rules applied. Total rules applied 144 place count 364 transition count 197
Reduce places removed 144 places and 0 transitions.
Iterating post reduction 1 with 144 rules applied. Total rules applied 288 place count 220 transition count 197
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 340 place count 194 transition count 171
Applied a total of 340 rules in 17 ms. Remains 194 /364 variables (removed 170) and now considering 171/341 (removed 170) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12567538672335417752.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18034941216786736485.kers'
[2026-05-24 20:55:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12567538672335417752.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18034941216786736485.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 171 rows 194 cols 486 entries
Finished phase 1 with 145 SingleSign rule and 0 generalized
[2026-05-24 20:55:55] [INFO ] Computed 49 invariants in 0 ms
Computed 49 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18034941216786736485.kers
Total runtime 1 ms.
[2026-05-24 20:55:56] [INFO ] Implicit Places using invariants in 263 ms returned []
[2026-05-24 20:55:56] [INFO ] Invariant cache hit.
[2026-05-24 20:55:56] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-24 20:55:56] [INFO ] Implicit Places using invariants and state equation in 539 ms returned []
Implicit Place search using SMT with State Equation took 817 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 194/607 places, 171/605 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 31878 ms. Remains : 194/607 places, 171/605 transitions.
Discarding 73 transitions out of 171. Remains 98
Initial state reduction rules removed 1 formulas.
[2026-05-24 20:55:57] [INFO ] Flatten gal took : 85 ms
[2026-05-24 20:55:57] [INFO ] Flatten gal took : 43 ms
[2026-05-24 20:55:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5437110065653882321.gal : 13 ms
[2026-05-24 20:55:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9239474567411379836.prop : 5 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/ReachabilityCardinality5437110065653882321.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9239474567411379836.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9239474567411379836.prop.
Reachability property qltransition_95 is true.
SDD proceeding with computation,96 properties remain. new max is 2
SDD size :1 after 9
SDD proceeding with computation,96 properties remain. new max is 4
SDD size :9 after 65
RANDOM walk for 40000 steps (692 resets) in 2376 ms. (16 steps per ms) remains 0/97 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 98 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
Total runtime 33100 ms.

BK_STOP 1779656157528

--------------------
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="AutoFlight-PT-24a"
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 AutoFlight-PT-24a, 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-oct2-177944369900347"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-24a.tgz
mv AutoFlight-PT-24a 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 ;