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.r350-tall-167889220400415.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is RefineWMG-PT-005006, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r350-tall-167889220400415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 420K
-rw-r--r-- 1 mcc users 6.2K Feb 26 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 26 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 18:23 model.pnml
-rw-r--r-- 1 mcc users 7.9K Feb 26 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 26 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:43 UpperBounds.xml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-00
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-01
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-02
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-03
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-04
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-05
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-06
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-07
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-08
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-09
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-10
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-11
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-12
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-13
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-14
FORMULA_NAME RefineWMG-PT-005006-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679254666318

gold2022
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> gold2022 --- TAPAAL v5
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying CTLCardinality *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC
MF=/home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 3590 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
FORMULA RefineWMG-PT-005006-CTLCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 3 was solved

Query is satisfied.

FORMULA RefineWMG-PT-005006-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 10 was solved

Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3590

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (14 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved

Query is satisfied.


Solved using Trace Abstraction Refinement

Spent 0.000171 on verification
@@@0.00,5404@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 1 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3590
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.06411 on verification
@@@0.06,59496@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 2 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.052689 on verification
@@@0.05,59340@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 3 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.048573 on verification
@@@0.05,59436@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 4 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@58.34,6054428@@@
Command terminated by signal 9
@@@96.50,9184956@@@
Command terminated by signal 9
@@@240.13,15881860@@@


Time left: 3287
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 47.3934 on verification
@@@47.53,3555676@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 6 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3239
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.065345 on verification
@@@0.06,59180@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 7 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3239
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 29.6886 on verification
@@@29.71,758256@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 8 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3209
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Command terminated by signal 9
@@@63.06,6088288@@@


Query index 0 was solved
Query is NOT satisfied.

Spent 73.308 on verification
@@@73.50,5840616@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 9 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3135
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.056928 on verification
@@@0.06,59372@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 10 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3135
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@91.32,7524232@@@
Command terminated by signal 9
@@@192.39,10277636@@@


Time left: 2834
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@72.27,6679504@@@
Command terminated by signal 9
@@@116.46,8219940@@@
Command terminated by signal 9
@@@246.35,15884744@@@


Time left: 2533
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@96.90,6644456@@@
Command terminated by signal 9
@@@150.74,9975508@@@


Time left: 2230
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.05248 on verification
@@@0.06,59452@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.PCNQTUqpK8 /home/mcc/BenchKit/bin/tmp/tmp.GzIeixEGDC --binary-query-io 1 -x 14 -n

FORMULA RefineWMG-PT-005006-CTLCardinality-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2230
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 4 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 2230
------------------- QUERY 5 ----------------------
Running query 5 for 557 seconds. Remaining: 4 queries and 2230 seconds
No solution found
Command terminated by signal 9
@@@91.92,8080888@@@
Command terminated by signal 9
@@@182.71,16148264@@@


Time left: 2047
------------------- QUERY 11 ----------------------
Running query 11 for 682 seconds. Remaining: 3 queries and 2047 seconds
No solution found
Command terminated by signal 9
@@@123.46,9992660@@@
Command terminated by signal 9
@@@316.61,16145940@@@


Time left: 1730
------------------- QUERY 12 ----------------------
Running query 12 for 865 seconds. Remaining: 2 queries and 1730 seconds
No solution found
Command terminated by signal 9
@@@88.76,8160424@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@188.17,15796364@@@


Time left: 1542
------------------- QUERY 13 ----------------------
Running query 13 for 1542 seconds. Remaining: 1 queries and 1542 seconds
No solution found
Command terminated by signal 9
@@@100.17,8246788@@@
Command terminated by signal 9
@@@199.65,16145588@@@


Time left: 1342
Time left: 1342
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 335 seconds
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@44.21,4379660@@@
Command terminated by signal 9
@@@62.57,5893292@@@
Command terminated by signal 9
@@@100.48,8078440@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@219.23,15806676@@@


Time left: 1122
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@63.91,4101524@@@
Command terminated by signal 9
@@@108.58,5444948@@@
Command terminated by signal 9
@@@157.25,8193424@@@
Command terminated by signal 9
@@@332.81,16147552@@@


Time left: 789
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@43.43,4111400@@@
Command terminated by signal 9
@@@60.78,5413356@@@
Command terminated by signal 9
@@@97.19,8111264@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@200.42,15796496@@@


Time left: 589
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@46.21,4117280@@@
Command terminated by signal 9
@@@63.67,5521456@@@
Command terminated by signal 9
@@@101.04,8274232@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@211.62,15806584@@@


Time left: 377
Time left: 377
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 94 seconds
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@42.86,4178508@@@
Command terminated by signal 9
@@@60.84,5563952@@@


Time left: 280
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@66.83,4151552@@@


Time left: 182
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@43.73,4099452@@@
Command terminated by signal 9
@@@61.86,5507948@@@


Time left: 85
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@47.56,4198516@@@
Command terminated by signal 9
@@@65.03,5509356@@@


Time left: -3
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1679258259446

--------------------
content from stderr:

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="RefineWMG-PT-005006"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="gold2022"
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 gold2022"
echo " Input is RefineWMG-PT-005006, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r350-tall-167889220400415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-005006.tgz
mv RefineWMG-PT-005006 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;