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-oct2-165281596200409.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 SemanticWebServices-PT-S128P18, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-oct2-165281596200409
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 7.1K Apr 29 12:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 29 12:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 29 12:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 29 12:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 8 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 4.0K May 9 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 261K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.8K May 9 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 9 08:44 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 SemanticWebServices-PT-S128P18-CTLCardinality-00
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-01
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-02
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-03
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-04
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-05
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-06
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-07
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-08
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-09
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-10
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-11
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-12
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-13
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-14
FORMULA_NAME SemanticWebServices-PT-S128P18-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652846029032

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.ZoUl63dtu3
MF=/home/mcc/BenchKit/bin/tmp/tmp.2ZEbz8ktUv
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.ZoUl63dtu3 --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.2ZEbz8ktUv -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml

Time left: 3590

---------------------------------------------------
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 0.054661 on verification
@@@0.06,60452@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 1 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3590
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.062047 on verification


Query index 0 was solved
Query is satisfied.

Spent 0.0826 on verification
@@@0.08,60396@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 2 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3590
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.059878 on verification
@@@0.06,60288@@@


Query index 0 was solved
Query is satisfied.

Spent 0.049388 on verification
@@@0.07,60416@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 3 -n
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 3 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 4 ----------------------
No solution found
Command terminated by signal 9
@@@62.23,10265944@@@
Command terminated by signal 9
@@@151.40,10418076@@@


Time left: 3288
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.048823 on verification
@@@0.11,60448@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 5 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3287
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@70.60,7081664@@@
Command terminated by signal 9
@@@119.16,9628644@@@


Time left: 2986
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.086754 on verification
@@@0.11,60336@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 7 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2985
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 1.24818 on verification
@@@1.26,108600@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 8 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2984
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.066927 on verification
@@@0.07,60408@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 9 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2984
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@66.93,7687172@@@
Command terminated by signal 9
@@@111.48,8890592@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@265.59,15597784@@@


Time left: 2682
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.105161 on verification


Query index 0 was solved
Query is NOT satisfied.

Spent 0.098754 on verification


Query index 0 was solved
Query is NOT satisfied.

Spent 0.089662 on verification


Query index 0 was solved
Query is NOT satisfied.

Spent 0.105 on verification
@@@0.15,60328@@@
@@@0.15,60136@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 11 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2681
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.063239 on verification
@@@0.07,60288@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 12 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2681
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@76.10,5648772@@@
Command terminated by signal 9
@@@100.04,8177384@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@160.58,15734612@@@


Time left: 2380
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.22024 on verification
@@@0.25,63420@@@
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.2ZEbz8ktUv /home/mcc/BenchKit/bin/tmp/tmp.ZoUl63dtu3 --binary-query-io 1 -x 14 -n

FORMULA SemanticWebServices-PT-S128P18-CTLCardinality-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2379
------------------- QUERY 15 ----------------------
No solution found
Command terminated by signal 9
@@@93.10,5501948@@@
Command terminated by signal 9
@@@126.65,8299636@@@
Command terminated by signal 9
@@@221.66,15777596@@@


Time left: 2078
------------------- QUERY 16 ----------------------
No solution found
Command terminated by signal 9
@@@44.25,5467908@@@
Command terminated by signal 9
@@@66.30,8030472@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@133.59,15916268@@@


Time left: 1777
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 6 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 1777
------------------- QUERY 4 ----------------------
Running query 4 for 512 seconds. Remaining: 6 queries and 1777 seconds
No solution found
Command terminated by signal 9
@@@55.74,10817136@@@
Command terminated by signal 9
@@@163.99,16147928@@@


Time left: 1613
------------------- QUERY 6 ----------------------
Running query 6 for 512 seconds. Remaining: 5 queries and 1613 seconds
No solution found
Command terminated by signal 9
@@@54.88,10754024@@@
Command terminated by signal 9
@@@153.94,16149388@@@


Time left: 1458
------------------- QUERY 10 ----------------------
Running query 10 for 512 seconds. Remaining: 4 queries and 1458 seconds
No solution found
Command terminated by signal 9
@@@78.81,9653756@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@227.08,15598792@@@


Time left: 1231
------------------- QUERY 13 ----------------------
Running query 13 for 512 seconds. Remaining: 3 queries and 1231 seconds
No solution found
Command terminated by signal 9
@@@63.60,8666720@@@
Command terminated by signal 9
@@@135.38,16147824@@@


Time left: 1095
------------------- QUERY 15 ----------------------
Running query 15 for 547 seconds. Remaining: 2 queries and 1095 seconds
No solution found
Command terminated by signal 9
@@@75.77,8100916@@@
Command terminated by signal 9
@@@150.02,16147508@@@


Time left: 945
------------------- QUERY 16 ----------------------
Running query 16 for 945 seconds. Remaining: 1 queries and 945 seconds
No solution found
Command terminated by signal 9
@@@62.92,8122984@@@
Command terminated by signal 9
@@@123.47,16148124@@@


Time left: 821
Time left: 821
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (6 in total)
Each query is verified by 4 parallel strategies for 136 seconds
------------------- QUERY 4 ----------------------
No solution found
Command terminated by signal 9
@@@24.86,4592868@@@
Command terminated by signal 9
@@@35.07,6479332@@@
Command terminated by signal 9
@@@56.48,10159396@@@


Time left: 683
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@48.03,4649416@@@
Command terminated by signal 9
@@@58.02,6416808@@@
Command terminated by signal 9
@@@79.00,10608532@@@


Time left: 543
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@53.40,4623084@@@
Command terminated by signal 9
@@@75.58,5569060@@@
Command terminated by signal 9
@@@116.47,8709684@@@


Time left: 404
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@59.37,5771340@@@
Command terminated by signal 9
@@@76.27,6407564@@@
Command terminated by signal 9
@@@104.99,10120504@@@


Time left: 266
------------------- QUERY 15 ----------------------
No solution found
Command terminated by signal 9
@@@52.47,5351780@@@
Command terminated by signal 9
@@@71.78,5591088@@@
Command terminated by signal 9
@@@102.37,8688784@@@


Time left: 126
------------------- QUERY 16 ----------------------
No solution found
Command terminated by signal 9
@@@45.76,4710404@@@
Command terminated by signal 9
@@@58.72,6102800@@@
Command terminated by signal 9
@@@87.90,9496432@@@


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

BK_STOP 1652849622169

--------------------
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="SemanticWebServices-PT-S128P18"
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 SemanticWebServices-PT-S128P18, 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-oct2-165281596200409"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S128P18.tgz
mv SemanticWebServices-PT-S128P18 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 ;