Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r021-oct2-167813609000367.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is AutonomousCar-PT-04b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-167813609000367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 5.2K Feb 25 12:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 25 12:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 12:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 25 12:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 25 12:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 25 12:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 25 12:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 110K Mar 5 18:22 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 1678932445252

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-04b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 02:07:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 02:07:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 02:07:27] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2023-03-16 02:07:27] [INFO ] Transformed 221 places.
[2023-03-16 02:07:27] [INFO ] Transformed 368 transitions.
[2023-03-16 02:07:27] [INFO ] Found NUPN structural information;
[2023-03-16 02:07:27] [INFO ] Parsed PT model containing 221 places and 368 transitions and 1658 arcs in 134 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 221/221 places, 368/368 transitions.
Graph (trivial) has 211 edges and 221 vertex of which 4 / 221 are part of one of the 2 SCC in 3 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 103 transitions
Trivial Post-agglo rules discarded 103 transitions
Performed 103 trivial Post agglomeration. Transition count delta: 103
Iterating post reduction 0 with 103 rules applied. Total rules applied 104 place count 219 transition count 263
Reduce places removed 103 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 1 with 130 rules applied. Total rules applied 234 place count 116 transition count 236
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 249 place count 101 transition count 236
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 249 place count 101 transition count 231
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 259 place count 96 transition count 231
Performed 48 Post agglomeration using F-continuation condition with reduction of 65 identical transitions.
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 355 place count 48 transition count 118
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 357 place count 47 transition count 118
Applied a total of 357 rules in 30 ms. Remains 47 /221 variables (removed 174) and now considering 118/368 (removed 250) transitions.
[2023-03-16 02:07:27] [INFO ] Flow matrix only has 117 transitions (discarded 1 similar events)
// Phase 1: matrix 117 rows 47 cols
[2023-03-16 02:07:27] [INFO ] Computed 9 place invariants in 7 ms
[2023-03-16 02:07:28] [INFO ] Implicit Places using invariants in 369 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 398 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 46/221 places, 118/368 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 118/118 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 430 ms. Remains : 46/221 places, 118/368 transitions.
Discarding 25 transitions out of 118. Remains 93
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 850 resets, run finished after 508 ms. (steps per millisecond=19 ) properties (out of 92) seen :83
Incomplete Best-First random walk after 10001 steps, including 127 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 123 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :2
Incomplete Best-First random walk after 10001 steps, including 124 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 125 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 122 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-16 02:07:28] [INFO ] Flow matrix only has 117 transitions (discarded 1 similar events)
// Phase 1: matrix 117 rows 46 cols
[2023-03-16 02:07:28] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-16 02:07:29] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-16 02:07:29] [INFO ] After 119ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:2
[2023-03-16 02:07:29] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-16 02:07:29] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :2
[2023-03-16 02:07:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-16 02:07:29] [INFO ] After 19ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :1 sat :2
[2023-03-16 02:07:29] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :2
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-16 02:07:29] [INFO ] After 186ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :2
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 1631 ms.
ITS solved all properties within timeout

BK_STOP 1678932449400

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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-04b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is AutonomousCar-PT-04b, 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 r021-oct2-167813609000367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-04b.tgz
mv AutonomousCar-PT-04b 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;