About the Execution of Tapaal for PaceMaker-PT-none
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16205.256 | 3594422.00 | 9511510.00 | 7796.70 | ?TTTFFFFFTFT???F | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r147-smll-165276996700243.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is PaceMaker-PT-none, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-smll-165276996700243
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 360K
-rw-r--r-- 1 mcc users 5.4K Apr 30 01:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 47K Apr 30 01:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 30 01:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Apr 30 01:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.8K May 9 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 9 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 9 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 158K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.7K May 9 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:22 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 PaceMaker-PT-none-LTLCardinality-00
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-01
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-02
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-03
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-04
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-05
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-06
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-07
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-08
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-09
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-10
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-11
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-12
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-13
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-14
FORMULA_NAME PaceMaker-PT-none-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1652920637054
tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- 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 LTLCardinality *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa
MF=/home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -ltl -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 ./LTLCardinality.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 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLCardinality.xml
FORMULA PaceMaker-PT-none-LTLCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved
Query is satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 3 was solved
Query is satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-04 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved
Query is NOT satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-07 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 7 was solved
Query is NOT satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved
Query is satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 10 was solved
Query is NOT satisfied.
FORMULA PaceMaker-PT-none-LTLCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 11 was solved
Query is satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3532
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (9 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.204329 on verification
@@@0.21,148920@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --binary-query-io 1 -x 1 -n
FORMULA PaceMaker-PT-none-LTLCardinality-06 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3531
------------------- QUERY 2 ----------------------
No solution found
Spent 36.5953 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@36.67,1632600@@@
Spent 62.329 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@62.45,1915652@@@
Spent 82.8808 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@82.98,2072852@@@
Spent 87.6334 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@87.73,2119680@@@
Time left: 3443
------------------- QUERY 3 ----------------------
No solution found
Spent 35.9424 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@36.04,1632384@@@
Spent 65.6935 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@65.78,1907540@@@
Spent 78.274 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@78.36,2179804@@@
Spent 88.416 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@88.51,2179596@@@
Time left: 3355
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.015398 on verification
@@@0.02,21332@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --binary-query-io 1 -x 4 -n
FORMULA PaceMaker-PT-none-LTLCardinality-08 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3354
------------------- QUERY 5 ----------------------
No solution found
Spent 35.6067 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@35.70,1743576@@@
Spent 53.2813 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@53.36,2013796@@@
Spent 53.3614 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@53.44,2014948@@@
Spent 56.3918 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@56.49,1960548@@@
Time left: 3297
------------------- QUERY 6 ----------------------
No solution found
Spent 35.2208 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@35.29,1695388@@@
Spent 110.034 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967395)
Command exited with non-zero status 255
@@@110.21,3246472@@@
Spent 268.609 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967395)
Command exited with non-zero status 255
@@@268.95,6404996@@@
Spent 281.036 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967395)
Command exited with non-zero status 255
@@@281.38,6404448@@@
Time left: 3016
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.034095 on verification
@@@0.06,21544@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --binary-query-io 1 -x 7 -n
FORMULA PaceMaker-PT-none-LTLCardinality-01 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3015
------------------- QUERY 8 ----------------------
No solution found
Spent 35.6055 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@35.67,1697508@@@
Spent 56.4086 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@56.50,2144828@@@
Spent 62.6057 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@62.69,2145268@@@
Spent 124.675 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@124.77,1963188@@@
Time left: 2890
------------------- QUERY 9 ----------------------
No solution found
Spent 34.5078 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@34.58,1697336@@@
Spent 63.3074 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@63.40,2145296@@@
Spent 70.8676 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@70.96,2145868@@@
Spent 90.3915 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@90.49,1956020@@@
Time left: 2800
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 6 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 2800
------------------- QUERY 2 ----------------------
Running query 2 for 512 seconds. Remaining: 6 queries and 2800 seconds
No solution found
Spent 66.481 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@66.56,2138804@@@
Time left: 2733
------------------- QUERY 3 ----------------------
Running query 3 for 546 seconds. Remaining: 5 queries and 2733 seconds
No solution found
Spent 76.6423 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@76.73,2180892@@@
Time left: 2656
------------------- QUERY 5 ----------------------
Running query 5 for 664 seconds. Remaining: 4 queries and 2656 seconds
No solution found
Spent 45.1814 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@65.26,2019176@@@
Time left: 2590
------------------- QUERY 6 ----------------------
Running query 6 for 863 seconds. Remaining: 3 queries and 2590 seconds
No solution found
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@482.13,14895076@@@
Time left: 2108
------------------- QUERY 8 ----------------------
Running query 8 for 1054 seconds. Remaining: 2 queries and 2108 seconds
No solution found
Spent 89.1041 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@89.23,2145960@@@
Time left: 2019
------------------- QUERY 9 ----------------------
Running query 9 for 2019 seconds. Remaining: 1 queries and 2019 seconds
No solution found
Spent 84.1718 on verification
ERROR: Exceeded 2**32 limit of tokens in a single place (4294967589)
Command exited with non-zero status 255
@@@84.27,2146380@@@
Time left: 1934
Time left: 1934
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (6 in total)
Each query is verified by 4 parallel strategies for 322 seconds
------------------- QUERY 2 ----------------------
Solution found in random processing (step 4)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.067805 on verification
@@@0.07,149112@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -s\ RDFS\ --seed-offset\ 9220\ -p\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --binary-query-io 1 -x 2 -n
FORMULA PaceMaker-PT-none-LTLCardinality-15 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP HEURISTIC RANDOM_HEUR OPTIM-1
Time left: 1934
------------------- QUERY 3 ----------------------
No solution found
Command terminated by signal 9
@@@137.20,4115216@@@
Command terminated by signal 9
@@@185.67,5393688@@@
Command terminated by signal 9
@@@281.07,8169900@@@
Time left: 1608
------------------- QUERY 5 ----------------------
Solution found in random processing (step 4)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.079357 on verification
@@@0.10,148904@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -s\ RDFS\ --seed-offset\ 1337\ -p\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.FNm5rJ016T /home/mcc/BenchKit/bin/tmp/tmp.gRkAEHRBKa --binary-query-io 1 -x 5 -n
FORMULA PaceMaker-PT-none-LTLCardinality-05 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP HEURISTIC RANDOM_HEUR OPTIM-1
Time left: 1608
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@170.77,4223228@@@
Command terminated by signal 9
@@@231.55,5425148@@@
Time left: 1283
------------------- QUERY 8 ----------------------
No solution found
Command terminated by signal 9
@@@176.86,4163980@@@
Command terminated by signal 9
@@@259.46,5406556@@@
Time left: 958
------------------- QUERY 9 ----------------------
No solution found
Command terminated by signal 9
@@@179.00,4220324@@@
Command terminated by signal 9
@@@249.76,5465972@@@
Time left: 633
Time left: 633
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 158 seconds
------------------- QUERY 3 ----------------------
No solution found
Time left: 471
------------------- QUERY 6 ----------------------
No solution found
Time left: 310
------------------- QUERY 8 ----------------------
No solution found
Time left: 149
------------------- QUERY 9 ----------------------
No solution found
Time left: -4
Out of time, terminating!
terminated-with-cleanup
BK_STOP 1652924231476
--------------------
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="PaceMaker-PT-none"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="tapaal"
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 2-4028"
echo " Executing tool tapaal"
echo " Input is PaceMaker-PT-none, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-smll-165276996700243"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PaceMaker-PT-none.tgz
mv PaceMaker-PT-none execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;