fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r510-tall-167912735300932
Last Updated
May 14, 2023

About the Execution of 2022-gold for ViralEpidemic-PT-S02D1C1A10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
9857.672 3593081.00 8596748.00 6862.00 FTTFTFTTTFT?F?TF normal

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.r510-tall-167912735300932.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 ViralEpidemic-PT-S02D1C1A10, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r510-tall-167912735300932
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 11K Feb 25 20:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 25 20:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 20:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 20:34 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 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 11 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.7K Feb 25 17:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 17:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8M Mar 5 18:23 model.pnml
-rw-r--r-- 1 mcc users 15K Feb 25 21:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 25 21:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 25 20:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 20:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:26 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 ViralEpidemic-PT-S02D1C1A10-CTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679472307080

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 CTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E
MF=/home/mcc/BenchKit/bin/tmp/tmp.36WfvtpvvV
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 ./CTLFireability.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.Kh0Vo3Cb6E --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.36WfvtpvvV -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml

Time left: 3585

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (16 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 0.000976 on verification
Search strategy option was ignored as the TAR engine is called.
FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Query index 0 was solved

Query is satisfied.


Solved using Trace Abstraction Refinement

Spent 0.00018 on verification
@@@0.28,48356@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 1 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3584
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.167615 on verification
@@@0.82,175616@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 2 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3583
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 8.99517 on verification
@@@9.78,173636@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 3 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3573
------------------- QUERY 4 ----------------------
No solution found



Time left: 3271
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 4.46132 on verification
@@@4.84,176572@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 5 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3266
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 14.4401 on verification
@@@14.81,348172@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 6 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3251
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.051257 on verification
@@@0.41,84456@@@


Query index 0 was solved
Query is NOT satisfied.

Spent 0.042755 on verification
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 7 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3250
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 2.74519 on verification
@@@3.11,120824@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 8 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3247
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.028711 on verification
@@@0.39,84424@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 9 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3246
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 9.1251 on verification
@@@9.46,220228@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 10 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-06 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3237
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 4.18535 on verification
@@@4.52,173968@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 11 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3232
------------------- QUERY 12 ----------------------
No solution found



Time left: 2931
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 16.5655 on verification
@@@17.22,268452@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 13 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2913
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 4.3685 on verification
@@@4.71,173632@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 14 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2908
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 4.8031 on verification
@@@5.47,173652@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 15 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2903
------------------- QUERY 16 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 4.84377 on verification
@@@5.53,150324@@@
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.36WfvtpvvV /home/mcc/BenchKit/bin/tmp/tmp.Kh0Vo3Cb6E --binary-query-io 1 -x 16 -n

FORMULA ViralEpidemic-PT-S02D1C1A10-CTLFireability-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2897
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 2 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2897
------------------- QUERY 4 ----------------------
Running query 4 for 1448 seconds. Remaining: 2 queries and 2897 seconds
No solution found



Time left: 1447
------------------- QUERY 12 ----------------------
Running query 12 for 1447 seconds. Remaining: 1 queries and 1447 seconds
No solution found



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

BK_STOP 1679475900161

--------------------
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="ViralEpidemic-PT-S02D1C1A10"
export BK_EXAMINATION="CTLFireability"
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 ViralEpidemic-PT-S02D1C1A10, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r510-tall-167912735300932"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S02D1C1A10.tgz
mv ViralEpidemic-PT-S02D1C1A10 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;