fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r201-oct2-165281596500577
Last Updated
Jun 22, 2022

About the Execution of Tapaal for SharedMemory-COL-000100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16227.012 3592450.00 9886158.00 1253.30 TTT?T?TT?TTF?FTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2022-input.r201-oct2-165281596500577.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is SharedMemory-COL-000100, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-oct2-165281596500577
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 220K
-rw-r--r-- 1 mcc users 6.1K Apr 30 16:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Apr 30 16:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 30 15:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Apr 30 15:15 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 6.5K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7 May 10 09:34 instance
-rw-r--r-- 1 mcc users 5 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 4.0K May 9 08:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 9 08:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 9 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.8K May 9 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 08:46 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 SharedMemory-COL-000100-CTLCardinality-00
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-01
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-02
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-03
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-04
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-05
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-06
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-07
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-08
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-09
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-10
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-11
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-12
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-13
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-14
FORMULA_NAME SharedMemory-COL-000100-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652851874039

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.ZNlKzNEBIt
MF=/home/mcc/BenchKit/bin/tmp/tmp.AfSjMK0Tl3
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 SharedMemory-COL-000100-CTLCardinality-15
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-14
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-13
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-12
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-11
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-10
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-09
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-08
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-07
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-06
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-05
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-04
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-03
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-02
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-01
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping SharedMemory-COL-000100-CTLCardinality-00
WARNING: Could not run CPN over-approximation on any queries, terminating.
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.ZNlKzNEBIt --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.AfSjMK0Tl3 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
FORMULA SharedMemory-COL-000100-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 SharedMemory-COL-000100-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX UNFOLDING_TO_PT
Query index 4 was solved

Query is satisfied.

FORMULA SharedMemory-COL-000100-CTLCardinality-06 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX UNFOLDING_TO_PT
Query index 6 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)
Time left: 3569

---------------------------------------------------
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)
Query index 0 was solved

Query is satisfied.

Spent 0.022661 on verification
@@@8.43,97332@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 1 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3561
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.005913 on verification
@@@4.44,97036@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 2 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3556
------------------- QUERY 3 ----------------------
No solution found
Command terminated by signal 9
@@@231.39,6638496@@@


Time left: 3255
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.039404 on verification
@@@4.13,97832@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 4 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3250
------------------- QUERY 5 ----------------------
No solution found
Command terminated by signal 9
@@@239.08,6958664@@@


Time left: 2948
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.051782 on verification
@@@7.92,128000@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 6 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2940
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.044735 on verification


Query index 0 was solved
Query is satisfied.

Spent 0.050635 on verification
@@@7.70,128080@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 7 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2932
------------------- QUERY 8 ----------------------
No solution found
Command terminated by signal 9
@@@264.15,5249244@@@


Time left: 2631
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.053125 on verification
@@@7.76,128228@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 9 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2622
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.414595 on verification
@@@8.12,128188@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 10 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2614
------------------- QUERY 11 ----------------------
No solution found
Command terminated by signal 9
@@@223.43,7513700@@@


Time left: 2312
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 1.2734 on verification
@@@8.94,128720@@@
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.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 12 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2303
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@249.19,5652372@@@


Time left: 2001
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 5 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 2001
------------------- QUERY 3 ----------------------
Running query 3 for 512 seconds. Remaining: 5 queries and 2001 seconds
No solution found
Command terminated by signal 9
@@@355.02,10109316@@@


Time left: 1487
------------------- QUERY 5 ----------------------
Running query 5 for 512 seconds. Remaining: 4 queries and 1487 seconds
No solution found
Command terminated by signal 9
@@@391.21,10793712@@@


Time left: 973
------------------- QUERY 8 ----------------------
Running query 8 for 512 seconds. Remaining: 3 queries and 973 seconds
Solution found by sequential processing (step 2)

FORMULA SharedMemory-COL-000100-CTLCardinality-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO

Query index 0 was solved
Query is satisfied.

Spent 305.135 on verification
@@@313.18,4421380@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -q\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 8 -n


Query index 0 was solved
Query is satisfied.

Spent 305.135 on verification
@@@313.18,4421380@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -q\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.AfSjMK0Tl3 /home/mcc/BenchKit/bin/tmp/tmp.ZNlKzNEBIt --binary-query-io 1 -x 8 -n

FORMULA SharedMemory-COL-000100-CTLCardinality-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 659
------------------- QUERY 11 ----------------------
Running query 11 for 512 seconds. Remaining: 2 queries and 659 seconds
No solution found
Command terminated by signal 9
@@@346.96,11484812@@@


Time left: 145
------------------- QUERY 13 ----------------------
Time left: 145
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 36 seconds
------------------- QUERY 3 ----------------------
No solution found



Time left: 107
------------------- QUERY 5 ----------------------
No solution found



Time left: 68
------------------- QUERY 11 ----------------------
No solution found



Time left: 29
------------------- QUERY 13 ----------------------
No solution found



Time left: -2
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1652855466489

--------------------
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="SharedMemory-COL-000100"
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 SharedMemory-COL-000100, 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 r201-oct2-165281596500577"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-000100.tgz
mv SharedMemory-COL-000100 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 ;