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 Eratosthenes-PT-500, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050kn-smll-146358762600052
=====================================================================

--------------------
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 Eratosthenes-PT-500-ReachabilityCardinality-0
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-1
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-10
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-11
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-12
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-13
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-14
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-15
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-2
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-3
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-4
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-5
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-6
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-7
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-8
FORMULA_NAME Eratosthenes-PT-500-ReachabilityCardinality-9

=== Now, execution of the tool begins

BK_START 1463597074775

bkconf 3600
make: Nothing to be done for 'prepare'.
in benchkit_head lolaszeit 3540
ReachabilityCardinality @ Eratosthenes-PT-500
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-0 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-1 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-2 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-3 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-4 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-5 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-6 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-7 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-8 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-9 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-10 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-11 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-12 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-13 TRUE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-14 FALSE TECHNIQUES PARALLEL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL
FORMULA Eratosthenes-PT-500-ReachabilityCardinality-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: 2690/65536 symbol table entries, 58 collisions
lola: preprocessing...
lola: finding significant places
lola: 499 places, 2191 transitions, 404 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 2438 transition conflict sets
lola: TASK
lola: reading formula from Eratosthenes-PT-500-ReachabilityCardinality.task
lola: read: EF ((p69 <= p230 AND (2 <= p118 AND (p37 <= p252 AND p267 <= p78)))) : EF ((((p112 <= p357 AND 2 <= p387) OR (2 <= p111 AND p414 <= p333)) AND p425 <= p167)) : AG ((!(p370 <= p357) OR ((2 <= p247 AND 3 <= p317) OR (p338 <= p275 OR 1 <= p26)))) : AG (!(((2 <= p295 OR 2 <= p245) OR (3 <= p117 OR 3 <= p172)))) : AG (((!(p77 <= p353) AND (p257 <= p55 AND p398 <= p147)) OR (p156 <= p8 OR p269 <= p490))... (shortened)
lola: formula length: 942
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF ((-p230 + p69 <= 0 AND (-p118 <= -2 AND (p37 + -p252 <= 0 AND p267 + -p78 <= 0))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 4 literals
lola: SUBRESULT
lola: result: no
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 1 will run for 236 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF ((((-p357 + p112 <= 0 AND -p387 <= -2) OR (-p111 <= -2 AND p414 + -p333 <= 0)) AND -p167 + p425 <= 0))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 6 literals
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((p370 + -p357 > 0 OR ((-p247 <= -2 AND -p317 <= -3) OR (p338 + -p275 <= 0 OR -p26 <= -1))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 8 literals
lola: SUBRESULT
lola: result: no
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 3 will run for 272 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((-p295 > -2 AND (-p245 > -2 AND (-p117 > -3 AND -p172 > -3))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 4 literals
lola: SUBRESULT
lola: result: yes
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 4 will run for 295 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (((-p353 + p77 > 0 AND (p257 + -p55 <= 0 AND p398 + -p147 <= 0)) OR (p156 + -p8 <= 0 OR p269 + -p490 <= 0)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 9 literals
lola: SUBRESULT
lola: result: no
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 5 will run for 321 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (((-p44 > -3 OR (-p49 + p106 <= 0 OR p71 + -p19 <= 0)) AND -p489 > -3))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 4 literals
lola: SUBRESULT
lola: result: yes
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 6 will run for 354 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (((-p426 > -3 AND p327 + -p314 > 0) OR (p205 + -p187 > 0 OR -p404 > -3)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 6 literals
lola: ========================================
lola: subprocess 7 will run for 393 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (-p181 + p254 <= 0)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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 8 will run for 442 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG (-p323 > -2)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 1 literals
lola: ========================================
lola: subprocess 9 will run for 505 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF ((-p365 <= -3 OR (p362 + -p312 > 0 AND p149 + -p195 > 0)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 3 literals
lola: SUBRESULT
lola: result: yes
lola: The predicate is reachable.
lola: ========================================
lola: subprocess 10 will run for 590 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF (-p437 <= -3)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 1 literals
lola: SUBRESULT
lola: result: no
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 11 will run for 708 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF (-p391 <= -3)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 1 literals
lola: SUBRESULT
lola: result: no
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 12 will run for 885 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((-p431 > -1 OR -p241 + p110 <= 0))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 2 literals
lola: SUBRESULT
lola: result: yes
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 13 will run for 1180 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((-p492 > -2 OR (-p316 <= -1 OR (-p255 <= -1 OR (-p49 <= -1 OR -p423 <= -2)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 5 literals
lola: write sara problem file to Eratosthenes-PT-500-ReachabilityCardinality-13.sara
lola: calling and running sara
sara: try reading problem file Eratosthenes-PT-500-ReachabilityCardinality-13.sara.
sara: place or transition ordering is non-deterministic

lola: sara:solution impossible
lola: SUBRESULT
lola: result: yes
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 14 will run for 1769 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: EF (-p415 <= -3)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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 unreachable.
lola: ========================================
lola: subprocess 15 will run for 3539 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: AG ((-p177 <= -2 OR (-p168 <= -2 OR ((p373 + -p104 <= 0 AND -p272 + p261 <= 0) OR (-p475 + p459 <= 0 OR (-p248 + p147 <= 0 OR p101 + -p155 <= 0))))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 52 bytes per marking, with 12 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: Transformation into DNF: expect 12 literals
lola: write sara problem file to Eratosthenes-PT-500-ReachabilityCardinality-15.sara
lola: SUBRESULT
lola: result: no
lola: The predicate is not invariant.
lola: ========================================
lola: RESULT
lola: summary: no no no yes no yes yes yes yes yes no no yes yes no no

BK_STOP 1463597075629

--------------------
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="Eratosthenes-PT-500"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="lola"
export BK_RESULT_DIR="/root/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/Eratosthenes-PT-500.tgz
mv Eratosthenes-PT-500 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 Eratosthenes-PT-500, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r050kn-smll-146358762600052"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.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 ;