Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r183-tajo-165281569200369.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is Referendum-COL-0200, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r183-tajo-165281569200369
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 268K
-rw-r--r-- 1 mcc users 7.5K Apr 29 14:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Apr 29 14:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 29 14:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 70K Apr 29 14:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_pt
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 instance
-rw-r--r-- 1 mcc users 5 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.5K May 9 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 9 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.7K May 9 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:36 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 Referendum-COL-0200-CTLCardinality-00
FORMULA_NAME Referendum-COL-0200-CTLCardinality-01
FORMULA_NAME Referendum-COL-0200-CTLCardinality-02
FORMULA_NAME Referendum-COL-0200-CTLCardinality-03
FORMULA_NAME Referendum-COL-0200-CTLCardinality-04
FORMULA_NAME Referendum-COL-0200-CTLCardinality-05
FORMULA_NAME Referendum-COL-0200-CTLCardinality-06
FORMULA_NAME Referendum-COL-0200-CTLCardinality-07
FORMULA_NAME Referendum-COL-0200-CTLCardinality-08
FORMULA_NAME Referendum-COL-0200-CTLCardinality-09
FORMULA_NAME Referendum-COL-0200-CTLCardinality-10
FORMULA_NAME Referendum-COL-0200-CTLCardinality-11
FORMULA_NAME Referendum-COL-0200-CTLCardinality-12
FORMULA_NAME Referendum-COL-0200-CTLCardinality-13
FORMULA_NAME Referendum-COL-0200-CTLCardinality-14
FORMULA_NAME Referendum-COL-0200-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652846775638

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 CTLCardinality *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H
MF=/home/mcc/BenchKit/bin/tmp/tmp.k7w8SpaKrQ
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
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-15
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-14
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-13
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-12
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-11
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-10
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-09
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-08
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-06
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-05
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-04
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-03
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-02
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-01
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping Referendum-COL-0200-CTLCardinality-00

Unable to decide if Referendum-COL-0200-CTLCardinality-07 is satisfied.

Query is MAYBE satisfied.

Spent 0.003654 on verification
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.bq2AaWUT4H --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.k7w8SpaKrQ -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
FORMULA Referendum-COL-0200-CTLCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX UNFOLDING_TO_PT
Query index 2 was solved

Query is satisfied.

FORMULA Referendum-COL-0200-CTLCardinality-03 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX UNFOLDING_TO_PT
Query index 3 was solved

Query is NOT satisfied.

FORMULA Referendum-COL-0200-CTLCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX UNFOLDING_TO_PT
Query index 12 was solved

Query is NOT satisfied.
Solution found by parallel simplification (step 0)
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 (13 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 NOT satisfied.


Solved using Trace Abstraction Refinement

Spent 0.004344 on verification
@@@0.00,5328@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 1 -n

FORMULA Referendum-COL-0200-CTLCardinality-07 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.104749 on verification
@@@0.10,59228@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 2 -n

FORMULA Referendum-COL-0200-CTLCardinality-08 TRUE 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 satisfied.

Spent 0.073599 on verification
@@@0.07,59364@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 3 -n

FORMULA Referendum-COL-0200-CTLCardinality-13 TRUE 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 0.068624 on verification
@@@0.07,59244@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 4 -n

FORMULA Referendum-COL-0200-CTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.069191 on verification
@@@0.07,59392@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 5 -n

FORMULA Referendum-COL-0200-CTLCardinality-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.066211 on verification
@@@0.06,59256@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 6 -n

FORMULA Referendum-COL-0200-CTLCardinality-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.098776 on verification
@@@0.10,59324@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 7 -n

FORMULA Referendum-COL-0200-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3587
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.072972 on verification
@@@0.07,59120@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 8 -n

FORMULA Referendum-COL-0200-CTLCardinality-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3587
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.066275 on verification
@@@0.07,59404@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 9 -n

FORMULA Referendum-COL-0200-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3587
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.069099 on verification
@@@0.07,59296@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 10 -n

FORMULA Referendum-COL-0200-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3586
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.124331 on verification
@@@0.12,59368@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 11 -n

FORMULA Referendum-COL-0200-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3586
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.071664 on verification
@@@0.07,59224@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 12 -n

FORMULA Referendum-COL-0200-CTLCardinality-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3586
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.074108 on verification
@@@0.07,59280@@@
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.k7w8SpaKrQ /home/mcc/BenchKit/bin/tmp/tmp.bq2AaWUT4H --binary-query-io 1 -x 13 -n

FORMULA Referendum-COL-0200-CTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3585
All queries are solved
Time left: 3585
terminated-with-cleanup

BK_STOP 1652846780057

--------------------
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="Referendum-COL-0200"
export BK_EXAMINATION="CTLCardinality"
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 Referendum-COL-0200, 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 r183-tajo-165281569200369"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-COL-0200.tgz
mv Referendum-COL-0200 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 ;