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.r016-oct2-177944372800292.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 gold2025
Input is AutoFlight-PT-02b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372800292
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 6.2K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:12 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 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 1779688766374

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:59:27] [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]
[2026-05-25 05:59:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:59:28] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2026-05-25 05:59:28] [INFO ] Transformed 206 places.
[2026-05-25 05:59:28] [INFO ] Transformed 204 transitions.
[2026-05-25 05:59:28] [INFO ] Found NUPN structural information;
[2026-05-25 05:59:28] [INFO ] Parsed PT model containing 206 places and 204 transitions and 478 arcs in 170 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 206/206 places, 204/204 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 78 transitions
Trivial Post-agglo rules discarded 78 transitions
Performed 78 trivial Post agglomeration. Transition count delta: 78
Iterating post reduction 0 with 78 rules applied. Total rules applied 78 place count 206 transition count 126
Reduce places removed 78 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 92 rules applied. Total rules applied 170 place count 128 transition count 112
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 174 place count 124 transition count 112
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 31 Pre rules applied. Total rules applied 174 place count 124 transition count 81
Deduced a syphon composed of 31 places in 1 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 3 with 62 rules applied. Total rules applied 236 place count 93 transition count 81
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 3 with 76 rules applied. Total rules applied 312 place count 55 transition count 43
Applied a total of 312 rules in 40 ms. Remains 55 /206 variables (removed 151) and now considering 43/204 (removed 161) transitions.
// Phase 1: matrix 43 rows 55 cols
[2026-05-25 05:59:28] [INFO ] Computed 16 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:29] [INFO ] Implicit Places using invariants in 737 ms returned [17, 20, 54]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 784 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 52/206 places, 43/204 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 52 transition count 41
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 50 transition count 41
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 12 place count 46 transition count 37
Applied a total of 12 rules in 4 ms. Remains 46 /52 variables (removed 6) and now considering 37/43 (removed 6) transitions.
// Phase 1: matrix 37 rows 46 cols
[2026-05-25 05:59:29] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:29] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-25 05:59:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:29] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 05:59:29] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 289 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 46/206 places, 37/204 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1174 ms. Remains : 46/206 places, 37/204 transitions.
Discarding 8 transitions out of 37. Remains 29
Initial state reduction rules removed 1 formulas.
RANDOM walk for 35180 steps (2802 resets) in 1101 ms. (31 steps per ms) remains 0/28 properties
[2026-05-25 05:59:29] [INFO ] Flatten gal took : 22 ms
[2026-05-25 05:59:29] [INFO ] Flatten gal took : 7 ms
[2026-05-25 05:59:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4133390573406753765.gal : 4 ms
[2026-05-25 05:59:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17471014872439813864.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4133390573406753765.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17471014872439813864.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 29 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1898 ms.

BK_STOP 1779688769916

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-02b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is AutoFlight-PT-02b, 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 r016-oct2-177944372800292"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02b.tgz
mv AutoFlight-PT-02b 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 ;