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-oct2-167813609100382.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-06a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-167813609100382
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 6.6K Feb 25 12:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 25 12:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 12:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 12:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 163K Feb 25 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 12:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 25 12:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:34 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 177K 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 1678932480961

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-06a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 02:08:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 02:08:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 02:08:04] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2023-03-16 02:08:04] [INFO ] Transformed 65 places.
[2023-03-16 02:08:04] [INFO ] Transformed 417 transitions.
[2023-03-16 02:08:04] [INFO ] Found NUPN structural information;
[2023-03-16 02:08:04] [INFO ] Parsed PT model containing 65 places and 417 transitions and 3356 arcs in 146 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 65/65 places, 417/417 transitions.
Ensure Unique test removed 159 transitions
Reduce isomorphic transitions removed 159 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 166 rules applied. Total rules applied 166 place count 65 transition count 251
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 173 place count 58 transition count 251
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 177 place count 56 transition count 249
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 2 with 2 rules applied. Total rules applied 179 place count 55 transition count 249
Applied a total of 179 rules in 28 ms. Remains 55 /65 variables (removed 10) and now considering 249/417 (removed 168) transitions.
[2023-03-16 02:08:04] [INFO ] Flow matrix only has 248 transitions (discarded 1 similar events)
// Phase 1: matrix 248 rows 55 cols
[2023-03-16 02:08:04] [INFO ] Computed 11 place invariants in 12 ms
[2023-03-16 02:08:05] [INFO ] Implicit Places using invariants in 1054 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1089 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 54/65 places, 249/417 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 249/249 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1134 ms. Remains : 54/65 places, 249/417 transitions.
Discarding 34 transitions out of 249. Remains 215
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 700 resets, run finished after 657 ms. (steps per millisecond=15 ) properties (out of 214) seen :158
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 56) seen :6
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :5
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 45) seen :3
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :1
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :2
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 37) seen :0
Running SMT prover for 37 properties.
[2023-03-16 02:08:06] [INFO ] Flow matrix only has 248 transitions (discarded 1 similar events)
// Phase 1: matrix 248 rows 54 cols
[2023-03-16 02:08:06] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-16 02:08:07] [INFO ] [Real]Absence check using 10 positive place invariants in 25 ms returned sat
[2023-03-16 02:08:08] [INFO ] After 1749ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:37
[2023-03-16 02:08:08] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-16 02:08:10] [INFO ] After 1688ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :37
[2023-03-16 02:08:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 02:08:12] [INFO ] After 1501ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :37
[2023-03-16 02:08:14] [INFO ] After 3492ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :37
Attempting to minimize the solution found.
Minimization took 1286 ms.
[2023-03-16 02:08:15] [INFO ] After 7039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :37
Parikh walk visited 1 properties in 780 ms.
Support contains 27 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 249/249 transitions.
Graph (complete) has 499 edges and 54 vertex of which 52 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Applied a total of 1 rules in 21 ms. Remains 52 /54 variables (removed 2) and now considering 247/249 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 52/54 places, 247/249 transitions.
Incomplete random walk after 1000000 steps, including 72771 resets, run finished after 14829 ms. (steps per millisecond=67 ) properties (out of 36) seen :35
Incomplete Best-First random walk after 1000001 steps, including 6201 resets, run finished after 527 ms. (steps per millisecond=1897 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 247 rows 52 cols
[2023-03-16 02:08:31] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-16 02:08:31] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-16 02:08:32] [INFO ] After 620ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 02:08:32] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-16 02:08:32] [INFO ] After 253ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 02:08:32] [INFO ] After 310ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 29 ms.
[2023-03-16 02:08:32] [INFO ] After 406ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 63 ms.
Support contains 3 out of 52 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 52/52 places, 247/247 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 46 transition count 205
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 46 transition count 205
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 46 transition count 199
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 60 place count 40 transition count 163
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 61 place count 39 transition count 162
Applied a total of 61 rules in 38 ms. Remains 39 /52 variables (removed 13) and now considering 162/247 (removed 85) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 39/52 places, 162/247 transitions.
Incomplete random walk after 1000000 steps, including 13027 resets, run finished after 2385 ms. (steps per millisecond=419 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9757 resets, run finished after 402 ms. (steps per millisecond=2487 ) properties (out of 1) seen :0
Finished probabilistic random walk after 5884 steps, run visited all 1 properties in 31 ms. (steps per millisecond=189 )
Probabilistic random walk after 5884 steps, saw 1509 distinct states, run finished after 31 ms. (steps per millisecond=189 ) properties seen :1
Able to resolve query QuasiLiveness after proving 215 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 31648 ms.
ITS solved all properties within timeout

BK_STOP 1678932516013

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-06a"
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-06a, 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-oct2-167813609100382"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-06a.tgz
mv AutonomousCar-PT-06a 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 ;