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-oct2-167813609000362.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-04a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-167813609000362
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 7.0K Feb 25 12:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 25 12:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 12:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 12:52 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 17K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Feb 25 12:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 12:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 25 12:53 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 72K 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 1678932432414

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-04a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 02:07:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 02:07:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 02:07:14] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2023-03-16 02:07:14] [INFO ] Transformed 49 places.
[2023-03-16 02:07:14] [INFO ] Transformed 193 transitions.
[2023-03-16 02:07:14] [INFO ] Found NUPN structural information;
[2023-03-16 02:07:14] [INFO ] Parsed PT model containing 49 places and 193 transitions and 1306 arcs in 130 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 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 0 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 16 ms. Remains 41 /49 variables (removed 8) and now considering 111/193 (removed 82) transitions.
[2023-03-16 02:07:14] [INFO ] Flow matrix only has 110 transitions (discarded 1 similar events)
// Phase 1: matrix 110 rows 41 cols
[2023-03-16 02:07:14] [INFO ] Computed 9 place invariants in 5 ms
[2023-03-16 02:07:15] [INFO ] Implicit Places using invariants in 396 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 427 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 4 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 447 ms. Remains : 40/49 places, 111/193 transitions.
Discarding 24 transitions out of 111. Remains 87
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 741 resets, run finished after 378 ms. (steps per millisecond=26 ) properties (out of 86) seen :84
Incomplete Best-First random walk after 10001 steps, including 98 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 111 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 02:07:15] [INFO ] Flow matrix only has 110 transitions (discarded 1 similar events)
// Phase 1: matrix 110 rows 40 cols
[2023-03-16 02:07:15] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-16 02:07:15] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-16 02:07:16] [INFO ] After 140ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 02:07:16] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-16 02:07:16] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 02:07:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 02:07:16] [INFO ] After 31ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 02:07:16] [INFO ] After 90ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 63 ms.
[2023-03-16 02:07:16] [INFO ] After 253ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 122 ms.
Support contains 5 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 111/111 transitions.
Graph (complete) has 263 edges and 40 vertex of which 38 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
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 35 transition count 94
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 35 transition count 94
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 11 place count 35 transition count 90
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 31 place count 31 transition count 74
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 30 transition count 73
Applied a total of 32 rules in 20 ms. Remains 30 /40 variables (removed 10) and now considering 73/111 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 30/40 places, 73/111 transitions.
Incomplete random walk after 1000000 steps, including 26890 resets, run finished after 1931 ms. (steps per millisecond=517 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 19608 resets, run finished after 457 ms. (steps per millisecond=2188 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 73 rows 30 cols
[2023-03-16 02:07:18] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-16 02:07:18] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-16 02:07:18] [INFO ] After 114ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 02:07:18] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-16 02:07:19] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 02:07:19] [INFO ] After 62ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 02:07:19] [INFO ] After 133ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 73/73 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 29 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 29 transition count 68
Applied a total of 2 rules in 5 ms. Remains 29 /30 variables (removed 1) and now considering 68/73 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 29/30 places, 68/73 transitions.
Finished random walk after 845372 steps, including 22863 resets, run visited all 1 properties in 1234 ms. (steps per millisecond=685 )
Able to resolve query QuasiLiveness after proving 87 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5537 ms.
ITS solved all properties within timeout

BK_STOP 1678932440661

--------------------
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-04a"
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-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 r021-oct2-167813609000362"
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.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 ;