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)
.....................
/home/mcc/execution
total 192K
-rw-r--r-- 1 mcc users 4.6K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.5K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 127 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 365 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.5K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 13 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 8.2K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is SmallOperatingSystem-PT-MT0512DC0128, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-smll-152705512400067
=====================================================================

--------------------
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 SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1527218113223

info: Time: 3600 - MCC
===========================================================================================
prep: translating SmallOperatingSystem-PT-MT0512DC0128 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating SmallOperatingSystem-PT-MT0512DC0128 formula CTLFireability into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking CTLFireability @ SmallOperatingSystem-PT-MT0512DC0128 @ 3570 seconds
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 17/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 288
lola: finding significant places
lola: 9 places, 8 transitions, 5 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 10 transition conflict sets
lola: TASK
lola: reading formula from SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: E ((A (G ((FIREABLE(suspend) OR FIREABLE(startNext)))) U E (F (NOT FIREABLE(startLoading))))) : (E ((((FIREABLE(startUnload) OR FIREABLE(endLoading)) AND FIREABLE(suspend)) U ())) AND A ((E (F (FIREABLE(startUnload))) U (FIREABLE(endUnload) OR FIREABLE(startNext) OR FIREABLE(freeMemory))))) : E (G (NOT((FIREABLE(startLoading) AND E (X (FIREABLE(suspend))))))) : A (G (NOT(E (X (NOT FIREABLE(startLoading)))))) : (FIREABLE(endUnload) OR A (F ((FIREABLE(startNext) OR A (F (FIREABLE(freeMemory))))))) : E (((NOT FIREABLE(startFirst) AND NOT FIREABLE(startNext) AND (NOT FIREABLE(endUnload))) U (A (X (FIREABLE(suspend))) AND (FIREABLE(freeMemory) AND (FIREABLE(endUnload) OR FIREABLE(freeMemory)))))) : (A (G (E (F ((FIREABLE(startFirst) OR FIREABLE(suspend)))))) OR A (G ((E (X (FIREABLE(startLoading))) OR E (F (FIREABLE(startNext))))))) : E (F ((FIREABLE(startLoading) AND A (G (FIREABLE(startLoading)))))) : E (G ((NOT FIREABLE(startUnload) AND NOT FIREABLE(startFirst)))) : (A (F (((NOT FIREABLE(freeMemory) OR NOT FIREABLE(startFirst)) AND A (G (FIREABLE(startLoading)))))) OR E (G ((FIREABLE(freeMemory) OR (FIREABLE(endLoading) AND FIREABLE(startUnload) AND NOT FIREABLE(startLoading)))))) : (NOT(A (F (FIREABLE(freeMemory)))) OR A (X (FIREABLE(endUnload)))) : E ((E (F (FIREABLE(startNext))) U ((NOT FIREABLE(startLoading)) AND E (G (FIREABLE(startNext)))))) : NOT(A (F (A ((FIREABLE(startNext) U FIREABLE(startFirst)))))) : A (F (FIREABLE(freeMemory))) : NOT FIREABLE(endUnload) : NOT(NOT(A (G (((FIREABLE(startNext) OR FIREABLE(suspend)) AND (FIREABLE(endLoading) OR FIREABLE(startUnload)))))))
lola: rewrite Frontend/Parser/formula_rewrite.k:473
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:180
lola: rewrite Frontend/Parser/formula_rewrite.k:148
lola: rewrite Frontend/Parser/formula_rewrite.k:118
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:398
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:440
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: FALSE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FALSE
lola: processed formula length: 5
lola: 27 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-1 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: NOT FIREABLE(endUnload)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: NOT FIREABLE(endUnload)
lola: processed formula length: 23
lola: 27 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (A (G (FIREABLE(startLoading)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance from all successors
lola: rewrite Frontend/Parser/formula_rewrite.k:663
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: processed formula: NOT FIREABLE(startLoading)
lola: processed formula length: 26
lola: 29 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EXEF)
lola: state space: using reachability graph (EXef version) (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space /EXEF
lola: The predicate is not invariant from successors.
lola: 128 markings, 127 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-3 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 3 will run for 274 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (((NOT FIREABLE(startFirst) AND NOT FIREABLE(startNext) AND (NOT FIREABLE(endUnload))) U (A (X (FIREABLE(suspend))) AND (FIREABLE(freeMemory) AND (FIREABLE(endUnload) OR FIREABLE(freeMemory))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: processed formula: E((NOT FIREABLE(startFirst) AND NOT FIREABLE(startNext) AND (NOT FIREABLE(endUnload))) U (AX(FIREABLE(suspend)) AND (FIREABLE(freeMemory) AND (FIREABLE(endUnload) OR FIREABLE(freeMemory)))))
lola: processed formula length: 191
lola: 29 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 1 significant temporal operators and needs 5 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 257 markings, 256 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0512DC0128-CTLFireability-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G (E (F ((FIREABLE(startFirst) OR FIREABLE(suspend)))))) OR A (G ((E (X (FIREABLE(startLoading))) OR E (F (FIREABLE(startNext)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E (F ((FIREABLE(startFirst) OR FIREABLE(suspend))))))
lola: ========================================
lola: SUBTASK
lola: checking liveness
lola: AGEF init
lola: rewrite Frontend/Parser/formula_rewrite.k:617
lola: processed formula: (FIREABLE(startFirst) OR FIREABLE(suspend))
lola: processed formula length: 44
lola: 28 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0512DC0128-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using tscc preserving stubborn set method (--stubborn)
lola: RUNNING
lola: 3341824 markings, 7688294 edges, 668365 markings/sec, 0 secs
lola: 6331654 markings, 14566684 edges, 597966 markings/sec, 5 secs
lola: 9207591 markings, 21068830 edges, 575187 markings/sec, 10 secs
lola: 11935390 markings, 27305987 edges, 545560 markings/sec, 15 secs
lola: 14556806 markings, 33296633 edges, 524283 markings/sec, 20 secs
lola: 17145519 markings, 39279706 edges, 517743 markings/sec, 25 secs
lola: 19796569 markings, 45250101 edges, 530210 markings/sec, 30 secs
lola: 22330826 markings, 51122112 edges, 506851 markings/sec, 35 secs
lola: 24912886 markings, 56969663 edges, 516412 markings/sec, 40 secs
lola: 27729056 markings, 63428356 edges, 563234 markings/sec, 45 secs
lola: 31267826 markings, 71395384 edges, 707754 markings/sec, 50 secs
lola: 34260982 markings, 79166751 edges, 598631 markings/sec, 55 secs
lola: 36901530 markings, 86428944 edges, 528110 markings/sec, 60 secs
lola: 39642297 markings, 93656335 edges, 548153 markings/sec, 65 secs
lola: 42146411 markings, 100620120 edges, 500823 markings/sec, 70 secs
lola: 44574038 markings, 107476793 edges, 485525 markings/sec, 75 secs
lola: 47306230 markings, 114657047 edges, 546438 markings/sec, 80 secs
lola: 49582093 markings, 121162737 edges, 455173 markings/sec, 85 secs
lola: 52014946 markings, 127984096 edges, 486571 markings/sec, 90 secs
lola: 54293645 markings, 134435251 edges, 455740 markings/sec, 95 secs
lola: 56636363 markings, 141069417 edges, 468544 markings/sec, 100 secs
lola: 58856277 markings, 147450144 edges, 443983 markings/sec, 105 secs
lola: 61111274 markings, 153874126 edges, 450999 markings/sec, 110 secs
lola: 63581511 markings, 160632274 edges, 494047 markings/sec, 115 secs
lola: 65838323 markings, 167076694 edges, 451362 markings/sec, 120 secs
lola: 68084110 markings, 173452766 edges, 449157 markings/sec, 125 secs
lola: 70356296 markings, 179886702 edges, 454437 markings/sec, 130 secs
lola: 72591180 markings, 186239964 edges, 446977 markings/sec, 135 secs
lola: 74997580 markings, 193110482 edges, 481280 markings/sec, 140 secs
lola: 77439209 markings, 200070670 edges, 488326 markings/sec, 145 secs
lola: 79796028 markings, 206877994 edges, 471364 markings/sec, 150 secs
lola: 82237337 markings, 213768376 edges, 488262 markings/sec, 155 secs
lola: 84706288 markings, 220765721 edges, 493790 markings/sec, 160 secs
lola: 87245965 markings, 227767260 edges, 507935 markings/sec, 165 secs
lola: 89719235 markings, 234672516 edges, 494654 markings/sec, 170 secs
lola: 92099561 markings, 241470076 edges, 476065 markings/sec, 175 secs
lola: 94453363 markings, 248218035 edges, 470760 markings/sec, 180 secs
lola: 96888332 markings, 255114215 edges, 486994 markings/sec, 185 secs
lola: 99137682 markings, 261652770 edges, 449870 markings/sec, 190 secs
lola: 101609504 markings, 268565533 edges, 494364 markings/sec, 195 secs
lola: 104063110 markings, 275437433 edges, 490721 markings/sec, 200 secs
lola: 106342516 markings, 282013134 edges, 455881 markings/sec, 205 secs
lola: 108728062 markings, 288885031 edges, 477109 markings/sec, 210 secs
lola: 110864774 markings, 295098121 edges, 427342 markings/sec, 215 secs
lola: 113171365 markings, 301716031 edges, 461318 markings/sec, 220 secs
lola: 115517196 markings, 308456323 edges, 469166 markings/sec, 225 secs
lola: 117800030 markings, 314995479 edges, 456567 markings/sec, 230 secs
lola: 120171976 markings, 321723298 edges, 474389 markings/sec, 235 secs
lola: 122481980 markings, 328375673 edges, 462001 markings/sec, 240 secs
lola: 124830281 markings, 335030438 edges, 469660 markings/sec, 245 secs
lola: 127083990 markings, 341588570 edges, 450742 markings/sec, 250 secs
lola: 129368622 markings, 348229756 edges, 456926 markings/sec, 255 secs
lola: 131670726 markings, 354861378 edges, 460421 markings/sec, 260 secs
lola: 133946347 markings, 361431366 edges, 455124 markings/sec, 265 secs
lola: 136194036 markings, 367942497 edges, 449538 markings/sec, 270 secs
lola: 138464662 markings, 374508423 edges, 454125 markings/sec, 275 secs
lola: 140658709 markings, 380882481 edges, 438809 markings/sec, 280 secs
lola: 141286875 markings, 382690611 edges, 125633 markings/sec, 285 secs
lola: 141297707 markings, 382722839 edges, 2166 markings/sec, 290 secs
lola: lola: local time limit reached - aborting
local time limit reached - aborting
lola:
preliminary result: unknown no unknown no unknown no unknown unknown unknown unknown unknown unknown unknown unknown yes unknown
lola:
preliminary result: unknown no unknown no unknown no unknown unknown unknown unknown unknown unknown unknown unknown yes unknown
lola: time limit reached - aborting
lola:
preliminary result: unknown no unknown no unknown no unknown unknown unknown unknown unknown unknown unknown unknown yes unknown
lola:
preliminary result: unknown no unknown no unknown no unknown unknown unknown unknown unknown unknown unknown unknown yes unknown

BK_TIME_CONFINEMENT_REACHED

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

Segmentation fault

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="SmallOperatingSystem-PT-MT0512DC0128"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="lola"
export BK_RESULT_DIR="/tmp/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/SmallOperatingSystem-PT-MT0512DC0128.tgz
mv SmallOperatingSystem-PT-MT0512DC0128 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool lola"
echo " Input is SmallOperatingSystem-PT-MT0512DC0128, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r160-smll-152705512400067"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.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 ;