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.r024-oct2-167813611200372.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 marciexred
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 r024-oct2-167813611200372
=====================================================================

--------------------
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 1679000533606

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=marciexred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-05a
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-16 21:02:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 21:02:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 21:02:16] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2023-03-16 21:02:16] [INFO ] Transformed 57 places.
[2023-03-16 21:02:16] [INFO ] Transformed 289 transitions.
[2023-03-16 21:02:16] [INFO ] Found NUPN structural information;
[2023-03-16 21:02:16] [INFO ] Parsed PT model containing 57 places and 289 transitions and 2123 arcs in 140 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 19 ms. Remains 48 /57 variables (removed 9) and now considering 168/289 (removed 121) transitions.
[2023-03-16 21:02:16] [INFO ] Flow matrix only has 167 transitions (discarded 1 similar events)
// Phase 1: matrix 167 rows 48 cols
[2023-03-16 21:02:16] [INFO ] Computed 10 place invariants in 8 ms
[2023-03-16 21:02:16] [INFO ] Implicit Places using invariants in 508 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 537 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 4 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 562 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 730 resets, run finished after 466 ms. (steps per millisecond=21 ) properties (out of 138) seen :121
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) 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 15) 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 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) 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 15) 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 14) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 14) 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 14) 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 14) seen :1
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
[2023-03-16 21:02:17] [INFO ] Flow matrix only has 167 transitions (discarded 1 similar events)
// Phase 1: matrix 167 rows 47 cols
[2023-03-16 21:02:17] [INFO ] Computed 9 place invariants in 2 ms
[2023-03-16 21:02:17] [INFO ] [Real]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-16 21:02:17] [INFO ] After 357ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-16 21:02:18] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-16 21:02:18] [INFO ] After 278ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-16 21:02:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 21:02:18] [INFO ] After 384ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2023-03-16 21:02:19] [INFO ] After 860ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 324 ms.
[2023-03-16 21:02:19] [INFO ] After 1569ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Parikh walk visited 2 properties in 1066 ms.
Support contains 13 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 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 43 transition count 154
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 43 transition count 154
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 42 transition count 153
Applied a total of 6 rules in 21 ms. Remains 42 /47 variables (removed 5) and now considering 153/168 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 42/47 places, 153/168 transitions.
Incomplete random walk after 1000000 steps, including 80532 resets, run finished after 2943 ms. (steps per millisecond=339 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 1000001 steps, including 8082 resets, run finished after 556 ms. (steps per millisecond=1798 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 42 cols
[2023-03-16 21:02:24] [INFO ] Computed 7 place invariants in 12 ms
[2023-03-16 21:02:24] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-16 21:02:24] [INFO ] After 142ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 21:02:24] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-16 21:02:24] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 21:02:24] [INFO ] After 103ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-16 21:02:24] [INFO ] After 147ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 30 ms.
Support contains 3 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 153/153 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 39 transition count 135
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 39 transition count 135
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 39 transition count 130
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 41 place count 34 transition count 105
Applied a total of 41 rules in 18 ms. Remains 34 /42 variables (removed 8) and now considering 105/153 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 34/42 places, 105/153 transitions.
Incomplete random walk after 1000000 steps, including 18143 resets, run finished after 1979 ms. (steps per millisecond=505 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 13404 resets, run finished after 442 ms. (steps per millisecond=2262 ) properties (out of 1) seen :0
Finished probabilistic random walk after 2395 steps, run visited all 1 properties in 30 ms. (steps per millisecond=79 )
Probabilistic random walk after 2395 steps, saw 769 distinct states, run finished after 30 ms. (steps per millisecond=79 ) properties seen :1
Able to resolve query QuasiLiveness after proving 139 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10727 ms.
ITS solved all properties within timeout

BK_STOP 1679000547272

--------------------
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-05a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="marciexred"
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 marciexred"
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 r024-oct2-167813611200372"
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 ;