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.r023-oct2-167813610500372.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 ltsminxred
Input is AutonomousCar-PT-05a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r023-oct2-167813610500372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 7.4K Feb 25 12:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 25 12:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 12:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 12:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 15K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 12:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 192K Feb 25 12:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 25 12:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 12:56 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 114K 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 1678988360335

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=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-05a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 17:39:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 17:39:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 17:39:22] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2023-03-16 17:39:22] [INFO ] Transformed 57 places.
[2023-03-16 17:39:22] [INFO ] Transformed 289 transitions.
[2023-03-16 17:39:22] [INFO ] Found NUPN structural information;
[2023-03-16 17:39:22] [INFO ] Parsed PT model containing 57 places and 289 transitions and 2123 arcs in 195 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 57/57 places, 289/289 transitions.
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 119 rules applied. Total rules applied 119 place count 57 transition count 170
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 125 place count 51 transition count 170
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 129 place count 49 transition count 168
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 131 place count 48 transition count 168
Applied a total of 131 rules in 24 ms. Remains 48 /57 variables (removed 9) and now considering 168/289 (removed 121) transitions.
[2023-03-16 17:39:22] [INFO ] Flow matrix only has 167 transitions (discarded 1 similar events)
// Phase 1: matrix 167 rows 48 cols
[2023-03-16 17:39:22] [INFO ] Computed 10 place invariants in 9 ms
[2023-03-16 17:39:23] [INFO ] Implicit Places using invariants in 443 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 471 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 47/57 places, 168/289 transitions.
Applied a total of 0 rules in 6 ms. Remains 47 /47 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 501 ms. Remains : 47/57 places, 168/289 transitions.
Discarding 29 transitions out of 168. Remains 139
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 774 resets, run finished after 396 ms. (steps per millisecond=25 ) properties (out of 138) seen :128
Incomplete Best-First random walk after 10001 steps, including 73 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 87 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 72 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 10) seen :4
Incomplete Best-First random walk after 10001 steps, including 94 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 77 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 10001 steps, including 92 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 4) seen :1
Running SMT prover for 3 properties.
[2023-03-16 17:39:23] [INFO ] Flow matrix only has 167 transitions (discarded 1 similar events)
// Phase 1: matrix 167 rows 47 cols
[2023-03-16 17:39:23] [INFO ] Computed 9 place invariants in 2 ms
[2023-03-16 17:39:23] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-16 17:39:24] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 17:39:24] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-16 17:39:24] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 17:39:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 17:39:24] [INFO ] After 55ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 17:39:24] [INFO ] After 118ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 78 ms.
[2023-03-16 17:39:24] [INFO ] After 309ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 323 ms.
Support contains 6 out of 47 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47/47 places, 168/168 transitions.
Graph (complete) has 371 edges and 47 vertex of which 45 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 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 41 transition count 142
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 41 transition count 142
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 13 place count 41 transition count 138
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 37 place count 37 transition count 118
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 38 place count 36 transition count 117
Applied a total of 38 rules in 27 ms. Remains 36 /47 variables (removed 11) and now considering 117/168 (removed 51) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 36/47 places, 117/168 transitions.
Incomplete random walk after 1000000 steps, including 27630 resets, run finished after 2004 ms. (steps per millisecond=499 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 1000001 steps, including 9480 resets, run finished after 425 ms. (steps per millisecond=2352 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 117 rows 36 cols
[2023-03-16 17:39:27] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-16 17:39:27] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-16 17:39:27] [INFO ] After 149ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 17:39:27] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-16 17:39:27] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 17:39:27] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-16 17:39:27] [INFO ] After 103ms 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 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 117/117 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 35 transition count 111
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 35 transition count 111
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 35 transition count 110
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 9 place count 34 transition count 105
Applied a total of 9 rules in 14 ms. Remains 34 /36 variables (removed 2) and now considering 105/117 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 34/36 places, 105/117 transitions.
Incomplete random walk after 1000000 steps, including 18083 resets, run finished after 1860 ms. (steps per millisecond=537 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 13435 resets, run finished after 370 ms. (steps per millisecond=2702 ) properties (out of 1) seen :0
Finished probabilistic random walk after 2395 steps, run visited all 1 properties in 18 ms. (steps per millisecond=133 )
Probabilistic random walk after 2395 steps, saw 769 distinct states, run finished after 18 ms. (steps per millisecond=133 ) properties seen :1
Able to resolve query QuasiLiveness after proving 139 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 7149 ms.
ITS solved all properties within timeout

BK_STOP 1678988369874

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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-05a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is AutonomousCar-PT-05a, 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 r023-oct2-167813610500372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-05a.tgz
mv AutonomousCar-PT-05a 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 ;