Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r014-tall-174853744000442.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is AutonomousCar-PT-07b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r014-tall-174853744000442
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 760K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 334K May 29 14:32 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 1748550269084

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-07b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:24:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:24:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:24:30] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2025-05-29 20:24:30] [INFO ] Transformed 323 places.
[2025-05-29 20:24:30] [INFO ] Transformed 846 transitions.
[2025-05-29 20:24:30] [INFO ] Found NUPN structural information;
[2025-05-29 20:24:30] [INFO ] Parsed PT model containing 323 places and 846 transitions and 5865 arcs in 221 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 323/323 places, 846/846 transitions.
Graph (trivial) has 310 edges and 323 vertex of which 4 / 323 are part of one of the 2 SCC in 4 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 148 transitions
Trivial Post-agglo rules discarded 148 transitions
Performed 148 trivial Post agglomeration. Transition count delta: 148
Iterating post reduction 0 with 148 rules applied. Total rules applied 149 place count 321 transition count 696
Reduce places removed 148 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 190 rules applied. Total rules applied 339 place count 173 transition count 654
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 363 place count 149 transition count 654
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 363 place count 149 transition count 649
Deduced a syphon composed of 5 places in 5 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 373 place count 144 transition count 649
Performed 72 Post agglomeration using F-continuation condition with reduction of 197 identical transitions.
Deduced a syphon composed of 72 places in 0 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 3 with 144 rules applied. Total rules applied 517 place count 72 transition count 380
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 519 place count 71 transition count 380
Applied a total of 519 rules in 102 ms. Remains 71 /323 variables (removed 252) and now considering 380/846 (removed 466) transitions.
[2025-05-29 20:24:30] [INFO ] Flow matrix only has 379 transitions (discarded 1 similar events)
// Phase 1: matrix 379 rows 71 cols
[2025-05-29 20:24:30] [INFO ] Computed 12 invariants in 24 ms
[2025-05-29 20:24:31] [INFO ] Implicit Places using invariants in 384 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 414 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 70/323 places, 380/846 transitions.
Applied a total of 0 rules in 4 ms. Remains 70 /70 variables (removed 0) and now considering 380/380 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 540 ms. Remains : 70/323 places, 380/846 transitions.
Discarding 40 transitions out of 380. Remains 340
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2885 resets) in 3303 ms. (12 steps per ms) remains 164/339 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 53 ms. (7 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 164/164 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 164/164 properties
[2025-05-29 20:24:32] [INFO ] Flow matrix only has 379 transitions (discarded 1 similar events)
// Phase 1: matrix 379 rows 70 cols
[2025-05-29 20:24:32] [INFO ] Computed 11 invariants in 3 ms
[2025-05-29 20:24:32] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 2 (OVERLAPS) 21/70 variables, 11/60 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/70 variables, 21/81 constraints. Problems are: Problem set: 0 solved, 164 unsolved
[2025-05-29 20:24:35] [INFO ] Deduced a trap composed of 5 places in 378 ms of which 16 ms to minimize.
[2025-05-29 20:24:35] [INFO ] Deduced a trap composed of 4 places in 110 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 164 unsolved
Problem qltransition_375 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 4168ms, After SMT, problems are : Problem set: 0 solved, 164 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 49 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 380/380 transitions.
Graph (complete) has 667 edges and 70 vertex of which 69 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 69 transition count 378
Applied a total of 2 rules in 57 ms. Remains 69 /70 variables (removed 1) and now considering 378/380 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 69/70 places, 378/380 transitions.
Total runtime 6244 ms.
ITS solved all properties within timeout

BK_STOP 1748550276910

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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-07b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is AutonomousCar-PT-07b, 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 r014-tall-174853744000442"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-07b.tgz
mv AutonomousCar-PT-07b 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 ;