Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r032-smll-177946790700032.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 AutonomousCar-PT-04a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r032-smll-177946790700032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 8.3K Mar 5 16:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 5 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 07:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 07:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 5 16:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 5 16:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 5 16:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:19 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 72K 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 1779472513115

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 17:55:15] [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]
[2026-05-22 17:55:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:55:16] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2026-05-22 17:55:16] [INFO ] Transformed 49 places.
[2026-05-22 17:55:16] [INFO ] Transformed 193 transitions.
[2026-05-22 17:55:16] [INFO ] Found NUPN structural information;
[2026-05-22 17:55:16] [INFO ] Parsed PT model containing 49 places and 193 transitions and 1306 arcs in 381 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 49/49 places, 193/193 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 49 transition count 113
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 85 place count 44 transition count 113
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 89 place count 42 transition count 111
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 91 place count 41 transition count 111
Applied a total of 91 rules in 90 ms. Remains 41 /49 variables (removed 8) and now considering 111/193 (removed 82) transitions.
[2026-05-22 17:55:16] [INFO ] Flow matrix only has 110 transitions (discarded 1 similar events)
// Phase 1: matrix 110 rows 41 cols
[2026-05-22 17:55:16] [INFO ] Computed 9 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 17:55:17] [INFO ] Implicit Places using invariants in 635 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 712 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 40/49 places, 111/193 transitions.
Applied a total of 0 rules in 6 ms. Remains 40 /40 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 842 ms. Remains : 40/49 places, 111/193 transitions.
Discarding 24 transitions out of 111. Remains 87
Initial state reduction rules removed 1 formulas.
[2026-05-22 17:55:18] [INFO ] Flatten gal took : 256 ms
RANDOM walk for 40000 steps (3017 resets) in 3333 ms. (11 steps per ms) remains 1/86 properties
[2026-05-22 17:55:18] [INFO ] Flatten gal took : 84 ms
[2026-05-22 17:55:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13479059212900429172.gal : 22 ms
[2026-05-22 17:55:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12120537682448216163.prop : 1 ms
BEST_FIRST walk for 40004 steps (423 resets) in 513 ms. (77 steps per ms) remains 1/1 properties
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/ReachabilityCardinality13479059212900429172.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12120537682448216163.prop' '--nowitness' '--gen-order' 'FOLLOW'

[2026-05-22 17:55:18] [INFO ] Flow matrix only has 110 transitions (discarded 1 similar events)
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
// Phase 1: matrix 110 rows 40 cols
[2026-05-22 17:55:18] [INFO ] Computed 8 invariants in 5 ms
[2026-05-22 17:55:18] [INFO ] State equation strengthened by 1 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality12120537682448216163.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 30
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :30 after 709
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :709 after 882
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :882 after 4202
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4202 after 16779
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,59811,0.096826,5660,2,413,12,5379,7,0,271,6074,0
Total reachable state count : 59811

Verifying 1 reachability properties.
Reachability property qltransition_107 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_107,18,0.09789,5788,2,64,12,5379,7,0,275,6074,0
After SMT solving in domain Real declared 3/150 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 37 ms.
Refiners :[Domain max(s): 0/40 constraints, Positive P Invariants (semi-flows): 0/8 constraints, State Equation: 0/40 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 87 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
Total runtime 2733 ms.

BK_STOP 1779472518555

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="AutonomousCar-PT-04a"
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 AutonomousCar-PT-04a, 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 r032-smll-177946790700032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-04a.tgz
mv AutonomousCar-PT-04a 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 ;