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-oct2-177944369900357.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-48a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369900357
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 752K
-rw-r--r-- 1 mcc users 6.9K Mar 5 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 5 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 5 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 16:43 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 15 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 5 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 5 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 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 309K 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 1779656165455

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-48a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:56:06] [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 20:56:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:56:07] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2026-05-24 20:56:07] [INFO ] Transformed 1127 places.
[2026-05-24 20:56:07] [INFO ] Transformed 1113 transitions.
[2026-05-24 20:56:07] [INFO ] Found NUPN structural information;
[2026-05-24 20:56:07] [INFO ] Parsed PT model containing 1127 places and 1113 transitions and 3458 arcs in 353 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1127/1127 places, 1113/1113 transitions.
Ensure Unique test removed 192 transitions
Reduce isomorphic transitions removed 192 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 220 transitions
Trivial Post-agglo rules discarded 220 transitions
Performed 220 trivial Post agglomeration. Transition count delta: 220
Iterating post reduction 0 with 412 rules applied. Total rules applied 412 place count 1127 transition count 701
Reduce places removed 220 places and 0 transitions.
Iterating post reduction 1 with 220 rules applied. Total rules applied 632 place count 907 transition count 701
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 68 Pre rules applied. Total rules applied 632 place count 907 transition count 633
Deduced a syphon composed of 68 places in 12 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 2 with 136 rules applied. Total rules applied 768 place count 839 transition count 633
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 3 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 912 place count 767 transition count 561
Applied a total of 912 rules in 143 ms. Remains 767 /1127 variables (removed 360) and now considering 561/1113 (removed 552) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17115020580458687252.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2939043653562730137.kers'
[2026-05-24 20:56:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17115020580458687252.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2939043653562730137.kers]
Culling duplicate invariants (modulo rational): removing 132 columns.
Culled 132 columns in 0 ms.
// Phase 1: matrix 561 rows 635 cols 1598 entries
Finished phase 1 with 457 SingleSign rule and 52 generalized
[2026-05-24 20:56:07] [INFO ] Computed 258 invariants in 2 ms
Computed 258 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-2939043653562730137.kers
Total runtime 4 ms.
[2026-05-24 20:56:14] [INFO ] Implicit Places using invariants in 7069 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, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 350, 388, 462, 500, 506, 512, 518, 524, 530, 536, 542, 548, 554, 560, 566, 572, 578, 584, 590, 596, 602, 608, 614, 620, 626, 632, 638, 644, 648, 652, 656, 660, 664, 668, 672, 676, 680, 684, 688, 692, 698, 704, 710, 716, 722, 728, 734, 740, 746, 752, 758, 764, 766]
Discarding 185 places :
Implicit Place search using SMT only with invariants took 7121 ms to find 185 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 582/1127 places, 561/1113 transitions.
Graph (trivial) has 416 edges and 582 vertex of which 37 / 582 are part of one of the 1 SCC in 3 ms
Free SCC test removed 36 places
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 216 transitions
Trivial Post-agglo rules discarded 216 transitions
Performed 216 trivial Post agglomeration. Transition count delta: 216
Iterating post reduction 0 with 216 rules applied. Total rules applied 217 place count 546 transition count 298
Reduce places removed 216 places and 0 transitions.
Iterating post reduction 1 with 216 rules applied. Total rules applied 433 place count 330 transition count 298
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 513 place count 290 transition count 258
Applied a total of 513 rules in 19 ms. Remains 290 /582 variables (removed 292) and now considering 258/561 (removed 303) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10444419008981247871.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16436686598549117588.kers'
[2026-05-24 20:56:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10444419008981247871.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16436686598549117588.kers]
Normalized transition count is 257 out of 258 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 257 rows 290 cols 730 entries
Finished phase 1 with 217 SingleSign rule and 0 generalized
[2026-05-24 20:56:14] [INFO ] Computed 73 invariants in 1 ms
Computed 73 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16436686598549117588.kers
Total runtime 2 ms.
[2026-05-24 20:56:15] [INFO ] Implicit Places using invariants in 439 ms returned []
[2026-05-24 20:56:15] [INFO ] Invariant cache hit.
[2026-05-24 20:56:16] [INFO ] State equation strengthened by 73 read => feed constraints.
[2026-05-24 20:56:16] [INFO ] Implicit Places using invariants and state equation in 1839 ms returned []
Implicit Place search using SMT with State Equation took 2302 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 290/1127 places, 258/1113 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 9605 ms. Remains : 290/1127 places, 258/1113 transitions.
Discarding 112 transitions out of 258. Remains 146
Initial state reduction rules removed 1 formulas.
[2026-05-24 20:56:17] [INFO ] Flatten gal took : 92 ms
[2026-05-24 20:56:17] [INFO ] Flatten gal took : 33 ms
[2026-05-24 20:56:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6835175307711263876.gal : 11 ms
[2026-05-24 20:56:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16822142130330633600.prop : 2 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/ReachabilityCardinality6835175307711263876.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16822142130330633600.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 ...329
Loading property file /tmp/ReachabilityCardinality16822142130330633600.prop.
RANDOM walk for 40000 steps (495 resets) in 3129 ms. (12 steps per ms) remains 0/145 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 146 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11008 ms.

BK_STOP 1779656178044

--------------------
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-48a"
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-48a, 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-oct2-177944369900357"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-48a.tgz
mv AutoFlight-PT-48a 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 ;