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.r007-oct2-167813595700541.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is AutonomousCar-PT-01b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-oct2-167813595700541
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 5.7K Feb 25 12:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 12:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 12:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 12:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 11K Feb 25 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Feb 25 12:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 25 12:55 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 31K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-00
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-01
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-02
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-03
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-04
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-05
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-06
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-07
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-08
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-09
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-10
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-11
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-12
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-13
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-14
FORMULA_NAME AutonomousCar-PT-01b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678351197017

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=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-01b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-09 08:40:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-09 08:40:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 08:40:00] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2023-03-09 08:40:00] [INFO ] Transformed 119 places.
[2023-03-09 08:40:00] [INFO ] Transformed 132 transitions.
[2023-03-09 08:40:00] [INFO ] Found NUPN structural information;
[2023-03-09 08:40:00] [INFO ] Parsed PT model containing 119 places and 132 transitions and 339 arcs in 246 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
// Phase 1: matrix 132 rows 119 cols
[2023-03-09 08:40:01] [INFO ] Computed 6 place invariants in 7 ms
Incomplete random walk after 10000 steps, including 6 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 16) seen :15
FORMULA AutonomousCar-PT-01b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-01b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
[2023-03-09 08:40:01] [INFO ] Invariant cache hit.
[2023-03-09 08:40:01] [INFO ] [Real]Absence check using 6 positive place invariants in 43 ms returned sat
[2023-03-09 08:40:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-09 08:40:01] [INFO ] [Real]Absence check using state equation in 190 ms returned sat
[2023-03-09 08:40:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-09 08:40:01] [INFO ] [Nat]Absence check using 6 positive place invariants in 7 ms returned sat
[2023-03-09 08:40:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-09 08:40:01] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 6 places in 359 ms of which 8 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 17 places in 192 ms of which 1 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 8 places in 64 ms of which 1 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 0 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 1 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Deduced a trap composed of 33 places in 184 ms of which 1 ms to minimize.
[2023-03-09 08:40:02] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1051 ms
[2023-03-09 08:40:02] [INFO ] Computed and/alt/rep : 129/252/129 causal constraints (skipped 2 transitions) in 21 ms.
[2023-03-09 08:40:03] [INFO ] Added : 114 causal constraints over 24 iterations in 409 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 119 places. Attempting structural reductions.
Drop transitions removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 131/131 transitions.
Graph (trivial) has 110 edges and 119 vertex of which 2 / 119 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 204 edges and 118 vertex of which 115 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 57 rules applied. Total rules applied 59 place count 115 transition count 70
Reduce places removed 56 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 1 with 68 rules applied. Total rules applied 127 place count 59 transition count 58
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 133 place count 53 transition count 58
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 133 place count 53 transition count 52
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 145 place count 47 transition count 52
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 155 place count 37 transition count 42
Iterating global reduction 3 with 10 rules applied. Total rules applied 165 place count 37 transition count 42
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 169 place count 37 transition count 38
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 169 place count 37 transition count 36
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 173 place count 35 transition count 36
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 175 place count 33 transition count 34
Iterating global reduction 4 with 2 rules applied. Total rules applied 177 place count 33 transition count 34
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 179 place count 33 transition count 32
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 180 place count 32 transition count 32
Performed 13 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 6 with 26 rules applied. Total rules applied 206 place count 19 transition count 18
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 207 place count 18 transition count 16
Iterating global reduction 6 with 1 rules applied. Total rules applied 208 place count 18 transition count 16
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 210 place count 18 transition count 16
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 211 place count 17 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 212 place count 16 transition count 15
Applied a total of 212 rules in 82 ms. Remains 16 /119 variables (removed 103) and now considering 15/131 (removed 116) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 16/119 places, 15/131 transitions.
Normalized transition count is 14 out of 15 initially.
// Phase 1: matrix 14 rows 16 cols
[2023-03-09 08:40:03] [INFO ] Computed 5 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 114113 resets, run finished after 700 ms. (steps per millisecond=1428 ) properties (out of 1) seen :1
FORMULA AutonomousCar-PT-01b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 3584 ms.
ITS solved all properties within timeout

BK_STOP 1678351204476

--------------------
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 UpperBounds -timeout 360 -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-01b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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-01b, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r007-oct2-167813595700541"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-01b.tgz
mv AutonomousCar-PT-01b execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;