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.r025-oct2-167813612000392.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 smartxred
Input is AutonomousCar-PT-07a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r025-oct2-167813612000392
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 6.0K Feb 25 12:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 25 12:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 12:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 25 12:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 12:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 165K Feb 25 12:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 12:53 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 276K 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 1679008047858

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=smartxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-07a
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-16 23:07:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 23:07:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 23:07:30] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2023-03-16 23:07:30] [INFO ] Transformed 73 places.
[2023-03-16 23:07:30] [INFO ] Transformed 593 transitions.
[2023-03-16 23:07:30] [INFO ] Found NUPN structural information;
[2023-03-16 23:07:30] [INFO ] Parsed PT model containing 73 places and 593 transitions and 5357 arcs in 176 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 73/73 places, 593/593 transitions.
Ensure Unique test removed 213 transitions
Reduce isomorphic transitions removed 213 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 221 rules applied. Total rules applied 221 place count 73 transition count 372
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 229 place count 65 transition count 372
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 233 place count 63 transition count 370
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 235 place count 62 transition count 370
Applied a total of 235 rules in 43 ms. Remains 62 /73 variables (removed 11) and now considering 370/593 (removed 223) transitions.
[2023-03-16 23:07:30] [INFO ] Flow matrix only has 369 transitions (discarded 1 similar events)
// Phase 1: matrix 369 rows 62 cols
[2023-03-16 23:07:30] [INFO ] Computed 12 place invariants in 11 ms
[2023-03-16 23:07:31] [INFO ] Implicit Places using invariants in 575 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 610 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 61/73 places, 370/593 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 370/370 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 659 ms. Remains : 61/73 places, 370/593 transitions.
Discarding 39 transitions out of 370. Remains 331
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 708 resets, run finished after 682 ms. (steps per millisecond=14 ) properties (out of 330) seen :201
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=6 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=6 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 129) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 129) seen :0
Running SMT prover for 129 properties.
[2023-03-16 23:07:32] [INFO ] Flow matrix only has 369 transitions (discarded 1 similar events)
// Phase 1: matrix 369 rows 61 cols
[2023-03-16 23:07:32] [INFO ] Computed 11 place invariants in 6 ms
[2023-03-16 23:07:34] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2023-03-16 23:07:41] [INFO ] After 7972ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:129
[2023-03-16 23:07:41] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2023-03-16 23:07:48] [INFO ] After 6372ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :129
[2023-03-16 23:07:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-16 23:07:53] [INFO ] After 5170ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :129
[2023-03-16 23:08:02] [INFO ] After 13837ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :129
Attempting to minimize the solution found.
Minimization took 4024 ms.
[2023-03-16 23:08:06] [INFO ] After 25054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :128
Parikh walk visited 12 properties in 3569 ms.
Support contains 44 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 370/370 transitions.
Graph (complete) has 647 edges and 61 vertex of which 59 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 33 ms. Remains 59 /61 variables (removed 2) and now considering 368/370 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 59/61 places, 368/370 transitions.
Incomplete random walk after 1000000 steps, including 70462 resets, run finished after 26360 ms. (steps per millisecond=37 ) properties (out of 117) seen :109
Incomplete Best-First random walk after 1000000 steps, including 4618 resets, run finished after 2641 ms. (steps per millisecond=378 ) properties (out of 8) seen :3
Incomplete Best-First random walk after 1000001 steps, including 4606 resets, run finished after 2141 ms. (steps per millisecond=467 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 1000001 steps, including 5042 resets, run finished after 953 ms. (steps per millisecond=1049 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
// Phase 1: matrix 368 rows 59 cols
[2023-03-16 23:08:42] [INFO ] Computed 9 place invariants in 7 ms
[2023-03-16 23:08:42] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-16 23:08:42] [INFO ] After 360ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:08:42] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-16 23:08:42] [INFO ] After 205ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:08:43] [INFO ] After 254ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 70 ms.
[2023-03-16 23:08:43] [INFO ] After 420ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 92 ms.
Support contains 3 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 368/368 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 52 transition count 312
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 52 transition count 312
Free-agglomeration rule applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 21 place count 52 transition count 305
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 77 place count 45 transition count 256
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 78 place count 44 transition count 255
Applied a total of 78 rules in 53 ms. Remains 44 /59 variables (removed 15) and now considering 255/368 (removed 113) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 44/59 places, 255/368 transitions.
Incomplete random walk after 1000000 steps, including 9744 resets, run finished after 3140 ms. (steps per millisecond=318 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 7420 resets, run finished after 489 ms. (steps per millisecond=2044 ) properties (out of 1) seen :0
Finished probabilistic random walk after 29306 steps, run visited all 1 properties in 90 ms. (steps per millisecond=325 )
Probabilistic random walk after 29306 steps, saw 5718 distinct states, run finished after 103 ms. (steps per millisecond=284 ) properties seen :1
Able to resolve query QuasiLiveness after proving 331 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 76437 ms.
ITS solved all properties within timeout

BK_STOP 1679008127191

--------------------
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-07a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is AutonomousCar-PT-07a, 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 r025-oct2-167813612000392"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-07a.tgz
mv AutonomousCar-PT-07a 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 ;