About the Execution of LoLa for BridgeAndVehicles-PT-V50P20N50
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
2940.360 | 1005902.00 | 1010309.00 | 170.10 | ?F?FTFFFFT?FTFFF | normal |
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 BridgeAndVehicles-PT-V50P20N50, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002kn-ebro-146347662400347
=====================================================================
--------------------
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 BridgeAndVehicles-COL-V50P20N50-LTLCardinality-0
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-1
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-15
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-2
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-3
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-4
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-5
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-6
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-7
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-8
FORMULA_NAME BridgeAndVehicles-COL-V50P20N50-LTLCardinality-9
=== Now, execution of the tool begins
BK_START 1463492530100
bkconf 3600
make: Nothing to be done for 'prepare'.
in benchkit_head lolaszeit 3540
LTLCardinality @ BridgeAndVehicles-PT-V50P20N50
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-0 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-1 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-2 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-3 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-4 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-5 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-6 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-7 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-8 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-9 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-10 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-11 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-12 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-13 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-14 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N50-LTLCardinality-15 FALSE 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: 5576/65536 symbol table entries, 632 collisions
lola: preprocessing...
lola: finding significant places
lola: 168 places, 5408 transitions, 161 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 5813 transition conflict sets
lola: TASK
lola: reading formula from BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: read: AG (F (X (X (2 <= SORTI_A)))) : AROUTE_B <= CONTROLEUR_1 + CONTROLEUR_2 : AX ((G (CAPACITE <= SUR_PONT_A) U G (COMPTEUR_0 + COMPTEUR_1 + COMPTEUR_2 + COMPTEUR_3 + COMPTEUR_4 + COMPTEUR_5 + COMPTEUR_6 + COMPTEUR_7 + COMPTEUR_8 + COMPTEUR_9 + COMPTEUR_10 + COMPTEUR_11 + COMPTEUR_12 + COMPTEUR_13 + COMPTEUR_14 + COMPTEUR_15 + COMPTEUR_16 + COMPTEUR_17 + COMPTEUR_18 + COMPTEUR_19 + COMPTEUR_20 + COMPT... (shortened)
lola: formula length: 2988
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (F (X (X (-SORTI_A <= -2))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 1 will run for 221 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -CONTROLEUR_2 + -CONTROLEUR_1 + ROUTE_B <= 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 2 will run for 237 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX ((G (-SUR_PONT_A + CAPACITE <= 0) U G (COMPTEUR_9 + -CAPACITE + COMPTEUR_8 + COMPTEUR_7 + COMPTEUR_6 + COMPTEUR_5 + COMPTEUR_4 + COMPTEUR_3 + COMPTEUR_2 + COMPTEUR_1 + COMPTEUR_0 + COMPTEUR_50 + COMPTEUR_49 + COMPTEUR_48 + COMPTEUR_47 + COMPTEUR_46 + COMPTEUR_45 + COMPTEUR_44 + COMPTEUR_43 + COMPTEUR_42 + COMPTEUR_41 + COMPTEUR_40 + COMPTEUR_39 + COMPTEUR_38 + COMPTEUR_37 + COMPTEUR_36 + COMPTE... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 7 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: ========================================
lola: subprocess 3 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX ((G (-SUR_PONT_B + ROUTE_B <= 0) U -ROUTE_B + CHOIX_2 + CHOIX_1 <= 0))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: ========================================
lola: subprocess 4 will run for 276 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A(G (SORTI_B + -ATTENTE_B <= 0) U F (G (ROUTE_B + -ROUTE_A <= 0)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 5 will run for 276 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (X (F (X (CAPACITE + -VIDANGE_2 + -VIDANGE_1 <= 0))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: ========================================
lola: subprocess 6 will run for 304 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A(G (G (CONTROLEUR_2 + CONTROLEUR_1 + -CHOIX_2 + -CHOIX_1 <= 0)) U X (F (-ROUTE_B <= -1)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: ========================================
lola: subprocess 7 will run for 338 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX (F (X (G (-NB_ATTENTE_B_9 + -NB_ATTENTE_B_8 + -NB_ATTENTE_B_7 + -NB_ATTENTE_B_6 + -NB_ATTENTE_B_5 + -NB_ATTENTE_B_4 + -NB_ATTENTE_B_3 + -NB_ATTENTE_B_2 + -NB_ATTENTE_B_1 + -NB_ATTENTE_B_0 + -NB_ATTENTE_B_50 + -NB_ATTENTE_B_49 + -NB_ATTENTE_B_48 + -NB_ATTENTE_B_47 + -NB_ATTENTE_B_46 + -NB_ATTENTE_B_45 + -NB_ATTENTE_B_44 + -NB_ATTENTE_B_43 + -NB_ATTENTE_B_42 + -NB_ATTENTE_B_41 + -NB_ATTENTE_B_40 ... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: ========================================
lola: subprocess 8 will run for 380 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AF (-CHOIX_2 + -CHOIX_1 <= -3)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: processed formula: A(TRUE U -CHOIX_2 + -CHOIX_1 <= -3)
lola: processed formula length: 35
lola: 5740 rewrites
lola: formula mentions 2 of 168 places; total mentions: 2
lola: closed formula file BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 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 9 will run for 434 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -ATTENTE_B <= -3
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 10 will run for 507 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AF (G (-SORTI_B + ATTENTE_A <= 0))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 11 will run for 507 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A((-ATTENTE_A <= -2 U -SUR_PONT_B <= -2) U G (G (-SUR_PONT_B <= -2)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 6 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: ========================================
lola: subprocess 12 will run for 633 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AX (X ((-SUR_PONT_A <= -2 U -COMPTEUR_9 + -COMPTEUR_8 + -COMPTEUR_7 + -COMPTEUR_6 + -COMPTEUR_5 + -COMPTEUR_4 + -COMPTEUR_3 + -COMPTEUR_2 + -COMPTEUR_1 + -COMPTEUR_0 + -COMPTEUR_50 + -COMPTEUR_49 + -COMPTEUR_48 + -COMPTEUR_47 + -COMPTEUR_46 + -COMPTEUR_45 + -COMPTEUR_44 + -COMPTEUR_43 + -COMPTEUR_42 + -COMPTEUR_41 + -COMPTEUR_40 + -COMPTEUR_39 + -COMPTEUR_38 + -COMPTEUR_37 + -COMPTEUR_36 + -COMPTE... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: ========================================
lola: subprocess 13 will run for 845 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (X (-SUR_PONT_B + SUR_PONT_A <= 0))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 644 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: not using stubborn set method (--stubborn=off)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: ========================================
lola: subprocess 14 will run for 1267 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ROUTE_B + -ATTENTE_B <= 0
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: subprocess 15 will run for 2535 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: -SORTI_A <= -1
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula with 1 atomic propositions
lola: closed formula file BridgeAndVehicles-COL-V50P20N50-LTLCardinality.task
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: The net violates the given property already in its initial state.
lola: ========================================
lola: RESULT
lola: summary: unknown no no yes unknown no yes no no no unknown no yes no no no
BK_STOP 1463493536002
--------------------
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="BridgeAndVehicles-PT-V50P20N50"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lola"
export BK_RESULT_DIR="/users/gast00/fkordon/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/BridgeAndVehicles-PT-V50P20N50.tgz
mv BridgeAndVehicles-PT-V50P20N50 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 BridgeAndVehicles-PT-V50P20N50, 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 r002kn-ebro-146347662400347"
echo "====================================================================="
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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 '
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 ;