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-oct2-167813610500382.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-06a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r023-oct2-167813610500382
=====================================================================

--------------------
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 1678988379375

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-06a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 17:39:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 17:39:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 17:39:42] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2023-03-16 17:39:42] [INFO ] Transformed 65 places.
[2023-03-16 17:39:42] [INFO ] Transformed 417 transitions.
[2023-03-16 17:39:42] [INFO ] Found NUPN structural information;
[2023-03-16 17:39:42] [INFO ] Parsed PT model containing 65 places and 417 transitions and 3356 arcs in 139 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 0 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 23 ms. Remains 55 /65 variables (removed 10) and now considering 249/417 (removed 168) transitions.
[2023-03-16 17:39:42] [INFO ] Flow matrix only has 248 transitions (discarded 1 similar events)
// Phase 1: matrix 248 rows 55 cols
[2023-03-16 17:39:42] [INFO ] Computed 11 place invariants in 14 ms
[2023-03-16 17:39:43] [INFO ] Implicit Places using invariants in 494 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 522 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 549 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 699 resets, run finished after 622 ms. (steps per millisecond=16 ) properties (out of 214) seen :168
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 46) seen :4
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 42) seen :3
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 38) seen :2
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 33) 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 33) 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 33) 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 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 32) 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 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) 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 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 32) 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 30) 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 30) 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 30) 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 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) 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 29) 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 29) 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 29) seen :1
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 28) 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 28) 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 28) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 28) 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 28) 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 28) 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 28) seen :0
Running SMT prover for 28 properties.
[2023-03-16 17:39:44] [INFO ] Flow matrix only has 248 transitions (discarded 1 similar events)
// Phase 1: matrix 248 rows 54 cols
[2023-03-16 17:39:44] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-16 17:39:44] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-16 17:39:45] [INFO ] After 1073ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:28
[2023-03-16 17:39:45] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2023-03-16 17:39:46] [INFO ] After 893ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :28
[2023-03-16 17:39:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 17:39:47] [INFO ] After 848ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :28
[2023-03-16 17:39:48] [INFO ] After 2311ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :28
Attempting to minimize the solution found.
Minimization took 1144 ms.
[2023-03-16 17:39:50] [INFO ] After 4616ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :28
Parikh walk visited 0 properties in 898 ms.
Support contains 31 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.2 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 33 ms. Remains : 52/54 places, 247/249 transitions.
Incomplete random walk after 1000000 steps, including 72546 resets, run finished after 6022 ms. (steps per millisecond=166 ) properties (out of 28) seen :27
Incomplete Best-First random walk after 1000000 steps, including 6264 resets, run finished after 599 ms. (steps per millisecond=1669 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 247 rows 52 cols
[2023-03-16 17:39:57] [INFO ] Computed 8 place invariants in 5 ms
[2023-03-16 17:39:57] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-16 17:39:58] [INFO ] After 378ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 17:39:58] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-16 17:39:58] [INFO ] After 142ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 17:39:58] [INFO ] After 203ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 47 ms.
[2023-03-16 17:39:58] [INFO ] After 298ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 73 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 52 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 52 ms. Remains : 39/52 places, 162/247 transitions.
Incomplete random walk after 1000000 steps, including 12994 resets, run finished after 2463 ms. (steps per millisecond=406 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9764 resets, run finished after 407 ms. (steps per millisecond=2457 ) properties (out of 1) seen :0
Finished probabilistic random walk after 5884 steps, run visited all 1 properties in 21 ms. (steps per millisecond=280 )
Probabilistic random walk after 5884 steps, saw 1509 distinct states, run finished after 21 ms. (steps per millisecond=280 ) properties seen :1
Able to resolve query QuasiLiveness after proving 215 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 18791 ms.
ITS solved all properties within timeout

BK_STOP 1678988401691

--------------------
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-06a"
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-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 r023-oct2-167813610500382"
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 ;