Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
......
=====================================================================
Generated by BenchKit 2-2979
Executing tool lola
Input is S_IOTPpurchase-PT-C01M01P01D01, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r158kn-blw3-146416414400066
=====================================================================

--------------------
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 IOTPpurchase-PT-C01M01P01D01-CTLCardinality-0
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-1
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-10
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-11
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-12
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-13
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-14
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-15
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-2
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-3
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-4
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-5
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-6
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-7
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-8
FORMULA_NAME IOTPpurchase-PT-C01M01P01D01-CTLCardinality-9

=== Now, execution of the tool begins

BK_START 1464201974402

bkconf 3600
===========================================================================================
===========================================================================================
S_IOTPpurchase-PT-C01M01P01D01: translating Petri net model.pnml into LoLA format
S_IOTPpurchase-PT-C01M01P01D01: translating formula CTLCardinality into LoLA format
===========================================================================================
/home/mcc/BenchKit/bin/pnml2lola.py model.pnml > model.pnml.lola
===========================================================================================
/home/mcc/BenchKit/bin/formula2lola.py CTLCardinality.xml
touch formulae;


in benchkit_head lolaszeit 3540
CTLCardinality @ S_IOTPpurchase-PT-C01M01P01D01
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-0 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-1 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-2 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-3 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-4 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-5 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-6 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-7 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-8 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-9 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-10 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-11 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-12 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-13 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-14 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA IOTPpurchase-PT-C01M01P01D01-CTLCardinality-15 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
lola: LoLA will run for 3540 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 156/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: finding significant places
lola: 111 places, 45 transitions, 44 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 70 transition conflict sets
lola: TASK
lola: reading formula from IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: read: (1 <= ConsumerPayment_p3 OR (2 <= p11_3 AND (!((Status_p21_11 <= p3_4 AND 3 <= DeliveryNote_p22_14)) OR ((3 <= PaymentAmount_p11_6 OR Payment_p21_1 <= p11_4) OR (DeliveryRequest_p12_5 <= p7_1 AND PaySchemeData_p11_10 <= OfferRequest_p10))))) : (2 <= PayReceipt_p21_15 OR (!(!((1 <= p4_1 OR p7_3 <= p1_1))) OR 3 <= PaySchemeData_p21_6)) : !(EX (DeliveryNote_p22_14 <= p4_4)) : 1 <= p12_3 : AX (!(!(1 <... (shortened)
lola: formula length: 1165
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (-ConsumerPayment_p3 <= -1 OR (-p11_3 <= -2 AND (Status_p21_11 + -p3_4 > 0 OR (-DeliveryNote_p22_14 > -3 OR (-PaymentAmount_p11_6 <= -3 OR (-p11_4 + Payment_p21_1 <= 0 OR (-p7_1 + DeliveryRequest_p12_5 <= 0 AND -OfferRequest_p10 + PaySchemeData_p11_10 <= 0)))))))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 8 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 1 will run for 236 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (-PayReceipt_p21_15 <= -2 OR (-p4_1 <= -1 OR (p7_3 + -p1_1 <= 0 OR -PaySchemeData_p21_6 <= -3)))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 4 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the property already in its initial state.
lola: ========================================
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX (DeliveryNote_p22_14 + -p4_4 > 0)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: AX(DeliveryNote_p22_14 + -p4_4 > 0)
lola: processed formula length: 35
lola: 194 rewrites
lola: formula mentions 2 of 111 places; total mentions: 2
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula.
lola: ========================================
lola: subprocess 3 will run for 272 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -p12_3 <= -1
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the property already in its initial state.
lola: ========================================
lola: subprocess 4 will run for 295 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX (-Organization_p20_7 <= -1)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: AX(-Organization_p20_7 <= -1)
lola: processed formula length: 29
lola: 194 rewrites
lola: formula mentions 1 of 111 places; total mentions: 1
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula.
lola: ========================================
lola: subprocess 5 will run for 321 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -BrandList_p11_2 + Status_p22_13 > 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 6 will run for 354 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((-p6_1 + DeliveryHandlerDelivery_p8_0 <= 0 OR -p5_3 <= -2))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using reachability graph (--search=depth)
lola: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 7 will run for 393 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -Delivery_p22_8 <= -2
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 8 will run for 442 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (((-p5_1 + p11_0 <= 0 OR (-p4_4 <= -3 OR -p5_3 > -3)) AND (Order_p20 + -p8_1 <= 0 OR (-DeliveryNote_p22_14 + p6_5 <= 0 OR (-PaymentRequest_p11_9 <= -2 AND Organization_p21_4 + -PaymentHandlerPayment_p5_0 <= 0)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using reachability graph (--search=depth)
lola: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 9 will run for 505 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: Order_p22_10 + -p4_3 <= 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the property already in its initial state.
lola: ========================================
lola: subprocess 10 will run for 590 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: HowDeliver_p12_2 + -Status_p21_9 <= 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the property already in its initial state.
lola: ========================================
lola: subprocess 11 will run for 708 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: MerchantPayment_p4_0 + -p6_4 > 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 12 will run for 885 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (EX (p11_13 + -p11_7 <= 0))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: !(E(TRUE U !(EX(p11_13 + -p11_7 <= 0))))
lola: processed formula length: 40
lola: 195 rewrites
lola: formula mentions 2 of 111 places; total mentions: 2
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: RUNNING
lola: CTL formula contains 1 significant temporal operators and needs 5 bytes of payload
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula.
lola: ========================================
lola: subprocess 13 will run for 1180 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -p7_2 + BrandSelection_p11_5 <= 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the property already in its initial state.
lola: ========================================
lola: subprocess 14 will run for 1770 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((EF (-p6_7 + p5_2 <= 0) AND EX (-Organization_p21_2 + p6_7 <= 0)) OR (-p8_3 > -3 OR (AX (-p4_2 + p2_2 <= 0) OR (-p6_4 <= -2 OR (EF (Order_p20 + -WhatDeliver_p12_1 <= 0) OR EX (-WhatDeliver_p12_1 <= -1))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 14 will run for 1770 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF (-p6_7 + p5_2 <= 0)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using reachability graph (--search=depth)
lola: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The predicate is reachable.
lola: ========================================
lola: subprocess 15 will run for 3540 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EX (-Organization_p21_2 + p6_7 <= 0)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: EX(-Organization_p21_2 + p6_7 <= 0)
lola: processed formula length: 35
lola: 194 rewrites
lola: formula mentions 2 of 111 places; total mentions: 2
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the given formula.
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================
lola: subprocess 15 will run for 3540 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E(EF (p11_0 + -Status_p21_5 <= 0) U (-p6_4 > -1 AND -Payment_p21_7 + p11_3 > 0))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: E(E(TRUE U p11_0 + -Status_p21_5 <= 0) U (-p6_4 > -1 AND -Payment_p21_7 + p11_3 > 0))
lola: processed formula length: 85
lola: 195 rewrites
lola: formula mentions 5 of 111 places; total mentions: 5
lola: closed formula file IOTPpurchase-PT-C01M01P01D01-CTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 176 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the given formula.
lola: ========================================
lola: RESULT
lola: summary: no yes no yes no no no no yes yes yes no no yes yes yes

BK_STOP 1464201974670

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

parsing of model.pnml complete

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="S_IOTPpurchase-PT-C01M01P01D01"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="lola"
export BK_RESULT_DIR="/home/hulinhub/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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

tar xzf /home/mcc/BenchKit/INPUTS/S_IOTPpurchase-PT-C01M01P01D01.tgz
mv S_IOTPpurchase-PT-C01M01P01D01 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2979"
echo " Executing tool lola"
echo " Input is S_IOTPpurchase-PT-C01M01P01D01, 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 r158kn-blw3-146416414400066"
echo "====================================================================="
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
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 ;