Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r186-tall-174889268600883.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5832
Executing tool tapaal
Input is SemanticWebServices-PT-S128P06, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r186-tall-174889268600883
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.2M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-00
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-01
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-02
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-03
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-04
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-05
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-06
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-07
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-08
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-09
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-10
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-11
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-12
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-13
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-14
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749117854048

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL 2025-v2
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.SAxHr9iPws
MF=/home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

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.SAxHr9iPws --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLCardinality.xml

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-01 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 1 was solved

Query is NOT satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved

Query is NOT satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved

Query is satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-06 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved

Query is satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-08 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 8 was solved

Query is NOT satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 10 was solved

Query is satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 11 was solved

Query is NOT satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 was solved

Query is NOT satisfied.

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 14 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)
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 (7 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 0.05661 on verification
@@@0.06,147616@@@
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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 1 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-03 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3590
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.045737 on verification
@@@0.05,147648@@@
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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 2 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-00 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.045197 on verification
@@@0.05,147624@@@
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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 3 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-05 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 4 ----------------------
No solution found
Command terminated by signal 9
@@@86.63,6798272@@@
Command terminated by signal 9
@@@116.91,6614912@@@
Command terminated by signal 9
@@@289.16,8137852@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 4 -n


Time left: 3287
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.047484 on verification
@@@0.06,147472@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 5 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-07 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3287
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@103.60,7669740@@@
Command terminated by signal 9
@@@210.96,6619916@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 6 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 6 -n


Time left: 2985
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.075689 on verification
@@@0.08,149468@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 7 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-09 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2985
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 2 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 2985
------------------- QUERY 4 ----------------------
Running query 4 for 1492 seconds. Remaining: 2 queries and 2985 seconds
No solution found
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@389.17,15391480@@@


Time left: 2595
------------------- QUERY 6 ----------------------
Running query 6 for 2595 seconds. Remaining: 1 queries and 2595 seconds
No solution found
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@289.82,15803344@@@


Time left: 2305
Time left: 2305
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (2 in total)
Each query is verified by 4 parallel strategies for 1152 seconds
------------------- QUERY 4 ----------------------
Solution found in random processing (step 4)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.055267 on verification

Query index 0 was solved
Query is NOT satisfied.
Spent 0.052999 on verification
@@@0.06,147504@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan -s RDFS --seed-offset 0 -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 4 -n
@@@0.06,147500@@@
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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 4 -n

FORMULA SemanticWebServices-PT-S128P06-LTLCardinality-12 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP HEURISTIC RANDOM_HEUR OPTIM-1
Time left: 2305
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@99.76,4128372@@@
Command terminated by signal 9
@@@221.99,5411564@@@
Command terminated by signal 9
@@@377.12,8069852@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@557.90,15648936@@@


Time left: 1747
Time left: 1747
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1747 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@138.80,4057432@@@
Command terminated by signal 9
@@@299.37,5412988@@@
Command terminated by signal 9
@@@412.13,8063376@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@596.16,15652924@@@


Time left: 1150
Time left: 1150
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1150 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@125.17,4054344@@@
Command terminated by signal 9
@@@162.51,5399864@@@
Command terminated by signal 9
@@@257.87,8076892@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@431.96,15651160@@@


Time left: 718
Time left: 718
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 718 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@90.74,4114996@@@
Command terminated by signal 9
@@@250.24,5375000@@@
Command terminated by signal 9
@@@336.36,8056864@@@
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
@@@513.37,15646768@@@


Time left: 204
Time left: 204
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 204 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@110.67,4046800@@@
Command terminated by signal 9
@@@171.82,5403572@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan -s RDFS --seed-offset 2018 -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 6 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.CW1OZvSlJV /home/mcc/BenchKit/bin/tmp/tmp.SAxHr9iPws --binary-query-io 1 -x 6 -n


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

BK_STOP 1749121447031

--------------------
content from stderr:

ERROR: A query could not be translated from CTL* to CTL.

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-S128P06"
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 2-5832"
echo " Executing tool tapaal"
echo " Input is SemanticWebServices-PT-S128P06, 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 r186-tall-174889268600883"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S128P06.tgz
mv SemanticWebServices-PT-S128P06 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.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;