fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r208-smll-152732257200025
Last Updated
June 26, 2018

About the Execution of LoLA for ClientsAndServers-PT-N0010P0

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15919.160 986603.00 993410.00 5963.00 FTFFFFTFFFF?FFFT 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)
......................
/home/mcc/execution
total 184K
-rw-r--r-- 1 mcc users 3.7K 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 2.8K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.4K May 26 09:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K May 26 09:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 26 09:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.5K May 26 09:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 119 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 357 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.1K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:49 equiv_col
-rw-r--r-- 1 mcc users 8 May 15 18:49 instance
-rw-r--r-- 1 mcc users 6 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 9.1K May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is ClientsAndServers-PT-N0010P0, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r208-smll-152732257200025
=====================================================================


--------------------
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 ClientsAndServers-PT-N0010P0-LTLCardinality-00
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-01
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-02
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-03
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-04
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-05
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-06
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-07
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-08
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-09
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-10
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-11
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-12
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-13
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-14
FORMULA_NAME ClientsAndServers-PT-N0010P0-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1527769918330

info: Time: 3600 - MCC
===========================================================================================
prep: translating ClientsAndServers-PT-N0010P0 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating ClientsAndServers-PT-N0010P0 formula LTLCardinality into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking LTLCardinality @ ClientsAndServers-PT-N0010P0 @ 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: 43/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 800
lola: finding significant places
lola: 25 places, 18 transitions, 17 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 25 transition conflict sets
lola: TASK
lola: reading formula from ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: LP says that atomic proposition is always true: (2 <= Mi)
lola: LP says that atomic proposition is always false: (Mi <= SR)
lola: A (G (X (X (X ((Cb <= CwG)))))) : A ((3 <= Ci)) : A ((3 <= CF)) : A ((((SR <= SA) U (Cb <= SwA)) U G ((Si <= CR)))) : A ((2 <= CA)) : A (G ((F ((2 <= SwG)) U F ((SpG <= CR))))) : A (G (G (F (TRUE)))) : A (G (X (X ((MwU <= MpA))))) : A (G (X ((3 <= SwA)))) : A (X (G (F ((SR <= StR))))) : A (F ((3 <= MwU))) : A (X (F (X (F ((1 <= Cb)))))) : A (F ((G ((1 <= SA)) U F (FALSE)))) : A (G (((2 <= MpG) U (3 <= SR)))) : A (((1 <= SA) U G (F ((1 <= MtF))))) : A (F (X (X ((1 <= CG)))))
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:422
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:154
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:377
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:347
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:157
lola: rewrite Frontend/Parser/formula_rewrite.k:431
lola: rewrite Frontend/Parser/formula_rewrite.k:157
lola: rewrite Frontend/Parser/formula_rewrite.k:117
lola: rewrite Frontend/Parser/formula_rewrite.k:122
lola: rewrite Frontend/Parser/formula_rewrite.k:157
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:437
lola: rewrite Frontend/Parser/formula_rewrite.k:522
lola: rewrite Frontend/Parser/formula_rewrite.k:545
lola: rewrite Frontend/Parser/formula_rewrite.k:425
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (3 <= Ci)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (3 <= Ci)
lola: processed formula length: 9
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: processed formula with 1 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 ClientsAndServers-PT-N0010P0-LTLCardinality-1 TRUE 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: (3 <= CF)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (3 <= CF)
lola: processed formula length: 9
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: processed formula with 1 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 ClientsAndServers-PT-N0010P0-LTLCardinality-2 FALSE 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: (2 <= CA)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (2 <= CA)
lola: processed formula length: 9
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: processed formula with 1 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 ClientsAndServers-PT-N0010P0-LTLCardinality-4 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: TRUE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: TRUE
lola: processed formula length: 4
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.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 ClientsAndServers-PT-N0010P0-LTLCardinality-6 TRUE 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: FALSE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FALSE
lola: processed formula length: 5
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.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 ClientsAndServers-PT-N0010P0-LTLCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 5 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (X (G ((MwU <= MpA)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (X (G ((MwU <= MpA)))))
lola: processed formula length: 28
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 4 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 501 markings, 501 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 6 will run for 357 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (G ((3 <= SwA))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (G ((3 <= SwA))))
lola: processed formula length: 22
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 501 markings, 501 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 7 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (X (F ((1 <= Cb)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (X (F ((1 <= Cb)))))
lola: processed formula length: 25
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: 1727568 markings, 5329683 edges, 345514 markings/sec, 0 secs
lola: 3340703 markings, 10474560 edges, 322627 markings/sec, 5 secs
lola: 4901583 markings, 15478449 edges, 312176 markings/sec, 10 secs
lola: 6503166 markings, 20588549 edges, 320317 markings/sec, 15 secs
lola: 8113790 markings, 25731223 edges, 322125 markings/sec, 20 secs
lola: 9756131 markings, 30965004 edges, 328468 markings/sec, 25 secs
lola: 11382107 markings, 36209100 edges, 325195 markings/sec, 30 secs
lola: 13025076 markings, 41565958 edges, 328594 markings/sec, 35 secs
lola: 14630492 markings, 46995237 edges, 321083 markings/sec, 40 secs
lola: 16094406 markings, 52230489 edges, 292783 markings/sec, 45 secs
lola: 17366473 markings, 56929574 edges, 254413 markings/sec, 50 secs
lola: 18611617 markings, 61513713 edges, 249029 markings/sec, 55 secs
lola: 19836736 markings, 66039871 edges, 245024 markings/sec, 60 secs
lola: 21059383 markings, 70579627 edges, 244529 markings/sec, 65 secs
lola: 22319438 markings, 75214632 edges, 252011 markings/sec, 70 secs
lola: 23581496 markings, 79862736 edges, 252412 markings/sec, 75 secs
lola: 24832397 markings, 84512908 edges, 250180 markings/sec, 80 secs
lola: 26098507 markings, 89224309 edges, 253222 markings/sec, 85 secs
lola: 27362805 markings, 93980709 edges, 252860 markings/sec, 90 secs
lola: 28625892 markings, 98825862 edges, 252617 markings/sec, 95 secs
lola: 29969817 markings, 103917604 edges, 268785 markings/sec, 100 secs
lola: 31265216 markings, 108696056 edges, 259080 markings/sec, 105 secs
lola: 32508834 markings, 113285342 edges, 248724 markings/sec, 110 secs
lola: 33731701 markings, 117782067 edges, 244573 markings/sec, 115 secs
lola: 34927018 markings, 122222782 edges, 239063 markings/sec, 120 secs
lola: 36149957 markings, 126729315 edges, 244588 markings/sec, 125 secs
lola: 37389141 markings, 131288110 edges, 247837 markings/sec, 130 secs
lola: 38606015 markings, 135808478 edges, 243375 markings/sec, 135 secs
lola: 39853119 markings, 140419041 edges, 249421 markings/sec, 140 secs
lola: 41111425 markings, 145093282 edges, 251661 markings/sec, 145 secs
lola: 42348436 markings, 149770820 edges, 247402 markings/sec, 150 secs
lola: 43577085 markings, 154534879 edges, 245730 markings/sec, 155 secs
lola: 44926492 markings, 159587268 edges, 269881 markings/sec, 160 secs
lola: 46208408 markings, 164287606 edges, 256383 markings/sec, 165 secs
lola: 47426423 markings, 168787040 edges, 243603 markings/sec, 170 secs
lola: 48606253 markings, 173169269 edges, 235966 markings/sec, 175 secs
lola: 49815649 markings, 177613890 edges, 241879 markings/sec, 180 secs
lola: 51013533 markings, 182061210 edges, 239577 markings/sec, 185 secs
lola: 52227927 markings, 186535806 edges, 242879 markings/sec, 190 secs
lola: 53463405 markings, 191082184 edges, 247096 markings/sec, 195 secs
lola: 54691449 markings, 195654189 edges, 245609 markings/sec, 200 secs
lola: 55934019 markings, 200291983 edges, 248514 markings/sec, 205 secs
lola: 57134181 markings, 204829071 edges, 240032 markings/sec, 210 secs
lola: 58294379 markings, 209326957 edges, 232040 markings/sec, 215 secs
lola: 59580754 markings, 214147547 edges, 257275 markings/sec, 220 secs
lola: 60785509 markings, 218568657 edges, 240951 markings/sec, 225 secs
lola: 61918246 markings, 222758687 edges, 226547 markings/sec, 230 secs
lola: 63047209 markings, 226908327 edges, 225793 markings/sec, 235 secs
lola: 64143760 markings, 230969731 edges, 219310 markings/sec, 240 secs
lola: 65261312 markings, 235110532 edges, 223510 markings/sec, 245 secs
lola: 66396920 markings, 239283531 edges, 227122 markings/sec, 250 secs
lola: 67511170 markings, 243431932 edges, 222850 markings/sec, 255 secs
lola: 68669744 markings, 247678804 edges, 231715 markings/sec, 260 secs
lola: 69807669 markings, 251930115 edges, 227585 markings/sec, 265 secs
lola: 70961295 markings, 256225951 edges, 230725 markings/sec, 270 secs
lola: 72073950 markings, 260450532 edges, 222531 markings/sec, 275 secs
lola: 73128174 markings, 264569720 edges, 210845 markings/sec, 280 secs
lola: 74366713 markings, 269165198 edges, 247708 markings/sec, 285 secs
lola: 75491574 markings, 273310745 edges, 224972 markings/sec, 290 secs
lola: 76565972 markings, 277273014 edges, 214880 markings/sec, 295 secs
lola: 77599800 markings, 281122390 edges, 206766 markings/sec, 300 secs
lola: 78668921 markings, 285032627 edges, 213824 markings/sec, 305 secs
lola: 79712815 markings, 288892178 edges, 208779 markings/sec, 310 secs
lola: 80764313 markings, 292793174 edges, 210300 markings/sec, 315 secs
lola: 81839235 markings, 296760001 edges, 214984 markings/sec, 320 secs
lola: 82916874 markings, 300724633 edges, 215528 markings/sec, 325 secs
lola: 83989226 markings, 304714134 edges, 214470 markings/sec, 330 secs
lola: 85100740 markings, 308829032 edges, 222303 markings/sec, 335 secs
lola: 86163382 markings, 312858561 edges, 212528 markings/sec, 340 secs
lola: 87256847 markings, 317053061 edges, 218693 markings/sec, 345 secs
lola: 88385102 markings, 321444897 edges, 225651 markings/sec, 350 secs
lola: 89615814 markings, 325907941 edges, 246142 markings/sec, 355 secs
lola: 90732886 markings, 330012085 edges, 223414 markings/sec, 360 secs
lola: 91779149 markings, 333901731 edges, 209253 markings/sec, 365 secs
lola: 92832513 markings, 337793960 edges, 210673 markings/sec, 370 secs
lola: 93893459 markings, 341689765 edges, 212189 markings/sec, 375 secs
lola: 94938173 markings, 345559609 edges, 208943 markings/sec, 380 secs
lola: 95986479 markings, 349456990 edges, 209661 markings/sec, 385 secs
lola: 97073593 markings, 353432403 edges, 217423 markings/sec, 390 secs
lola: local time limit reached - aborting
lola:
preliminary result: unknown yes no unknown no unknown yes no no unknown unknown unknown no unknown unknown unknown
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 8 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (X (X (G ((Cb <= CwG))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (X (X (G ((Cb <= CwG))))))
lola: processed formula length: 31
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 5 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1827 markings, 2648 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 9 will run for 453 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (X (F ((1 <= CG)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (X (F ((1 <= CG)))))
lola: processed formula length: 25
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: 1504389 markings, 5157239 edges, 300878 markings/sec, 0 secs
lola: 2929094 markings, 10307726 edges, 284941 markings/sec, 5 secs
lola: 4364293 markings, 15475659 edges, 287040 markings/sec, 10 secs
lola: 5674341 markings, 20221486 edges, 262010 markings/sec, 15 secs
lola: 7149683 markings, 25524938 edges, 295068 markings/sec, 20 secs
lola: 8472981 markings, 30309292 edges, 264660 markings/sec, 25 secs
lola: 9887775 markings, 35413874 edges, 282959 markings/sec, 30 secs
lola: 11296441 markings, 40491385 edges, 281733 markings/sec, 35 secs
lola: 12717134 markings, 45629494 edges, 284139 markings/sec, 40 secs
lola: 14142998 markings, 50763243 edges, 285173 markings/sec, 45 secs
lola: 15555034 markings, 55871318 edges, 282407 markings/sec, 50 secs
lola: 16992918 markings, 61047783 edges, 287577 markings/sec, 55 secs
lola: 18512126 markings, 66529767 edges, 303842 markings/sec, 60 secs
lola: 20040689 markings, 72058232 edges, 305713 markings/sec, 65 secs
lola: 21569523 markings, 77588196 edges, 305767 markings/sec, 70 secs
lola: 23145304 markings, 83255555 edges, 315156 markings/sec, 75 secs
lola: 24736892 markings, 88993628 edges, 318318 markings/sec, 80 secs
lola: SUBRESULT
lola: result: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 25985630 markings, 93458200 edges

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: subprocess 10 will run for 514 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F ((3 <= MwU)))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence
lola: rewrite Frontend/Parser/formula_rewrite.k:659
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (MwU <= 2)
lola: processed formula length: 10
lola: 34 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 307 markings, 307 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 11 will run for 617 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((1 <= MtF))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((1 <= MtF))))
lola: processed formula length: 22
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 9322 markings, 10195 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 12 will run for 771 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((SR <= StR))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((SR <= StR))))
lola: processed formula length: 23
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 9414 markings, 10232 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-9 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 13 will run for 1028 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((SpG <= CR))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((SpG <= CR))))
lola: processed formula length: 23
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 3217 markings, 4164 edges

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: subprocess 14 will run for 1542 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A ((((SR <= SA) U (Cb <= SwA)) U G ((Si <= CR))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A ((((SR <= SA) U (Cb <= SwA)) U G ((Si <= CR))))
lola: processed formula length: 49
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 6 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: add low 11
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 959 markings, 1201 edges
lola: ========================================

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-3 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 15 will run for 3085 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G (F ((3 <= SR)))) AND A (G (((2 <= MpG) OR (3 <= SR)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 15 will run for 3085 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (((2 <= MpG) OR (3 <= SR))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:674
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: rewrite Frontend/Parser/formula_rewrite.k:700
lola: processed formula: A (G (((2 <= MpG) OR (3 <= SR))))
lola: processed formula length: 33
lola: 37 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--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
lola: The predicate is not invariant.
lola: 0 markings, 0 edges
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================
lola:
FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
rewrite Frontend/Parser/formula_rewrite.k:674
lola: ========================================
lola: ========================================
lola: ...considering subproblem: A (X (X (F ((1 <= Cb)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (X (F ((1 <= Cb)))))
lola: processed formula length: 25
lola: 32 rewrites
lola: closed formula file ClientsAndServers-PT-N0010P0-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: 1731479 markings, 5342935 edges, 346296 markings/sec, 0 secs
lola: 3294543 markings, 10343274 edges, 312613 markings/sec, 5 secs
lola: 4824140 markings, 15219326 edges, 305919 markings/sec, 10 secs
lola: 6319192 markings, 20011549 edges, 299010 markings/sec, 15 secs
lola: 7925022 markings, 25115066 edges, 321166 markings/sec, 20 secs
lola: 9461465 markings, 30034271 edges, 307289 markings/sec, 25 secs
lola: 11109769 markings, 35309423 edges, 329661 markings/sec, 30 secs
lola: 12735286 markings, 40611179 edges, 325103 markings/sec, 35 secs
lola: 14344611 markings, 45987051 edges, 321865 markings/sec, 40 secs
lola: 15819783 markings, 51232593 edges, 295034 markings/sec, 45 secs
lola: 17087401 markings, 55896737 edges, 253524 markings/sec, 50 secs
lola: 18293253 markings, 60356751 edges, 241170 markings/sec, 55 secs
lola: 19497292 markings, 64783924 edges, 240808 markings/sec, 60 secs
lola: 20671266 markings, 69146162 edges, 234795 markings/sec, 65 secs
lola: 21899456 markings, 73667179 edges, 245638 markings/sec, 70 secs
lola: 23150454 markings, 78272582 edges, 250200 markings/sec, 75 secs
lola: 24239211 markings, 82316140 edges, 217751 markings/sec, 80 secs
lola: 25511777 markings, 87014974 edges, 254513 markings/sec, 85 secs
lola: 26779977 markings, 91750393 edges, 253640 markings/sec, 90 secs
lola: 28021019 markings, 96477516 edges, 248208 markings/sec, 95 secs
lola: 29239852 markings, 101282675 edges, 243767 markings/sec, 100 secs
lola: 30649904 markings, 106395550 edges, 282010 markings/sec, 105 secs
lola: 31901699 markings, 111017541 edges, 250359 markings/sec, 110 secs
lola: 33100038 markings, 115472256 edges, 239668 markings/sec, 115 secs
lola: 34303962 markings, 119910711 edges, 240785 markings/sec, 120 secs
lola: 35520301 markings, 124386392 edges, 243268 markings/sec, 125 secs
lola: 36482835 markings, 127943150 edges, 192507 markings/sec, 130 secs
lola: 37688757 markings, 132420740 edges, 241184 markings/sec, 135 secs
lola: 38910767 markings, 136924808 edges, 244402 markings/sec, 140 secs
lola: 40160380 markings, 141538237 edges, 249923 markings/sec, 145 secs
lola: 41403513 markings, 146183519 edges, 248627 markings/sec, 150 secs
lola: 42628352 markings, 150830592 edges, 244968 markings/sec, 155 secs
lola: 43828246 markings, 155547790 edges, 239979 markings/sec, 160 secs
lola: 45193809 markings, 160578661 edges, 273113 markings/sec, 165 secs
lola: 46438227 markings, 165165508 edges, 248884 markings/sec, 170 secs
lola: 47642980 markings, 169603583 edges, 240951 markings/sec, 175 secs
lola: 48839970 markings, 174008237 edges, 239398 markings/sec, 180 secs
lola: 50004804 markings, 178341393 edges, 232967 markings/sec, 185 secs
lola: 51218069 markings, 182797577 edges, 242653 markings/sec, 190 secs
lola: 52414773 markings, 187232532 edges, 239341 markings/sec, 195 secs
lola: 53622368 markings, 191690266 edges, 241519 markings/sec, 200 secs
lola: 54868590 markings, 196288964 edges, 249244 markings/sec, 205 secs
lola: 56107803 markings, 200918178 edges, 247843 markings/sec, 210 secs
lola: 57322889 markings, 205528867 edges, 243017 markings/sec, 215 secs
lola: 58505400 markings, 210173624 edges, 236502 markings/sec, 220 secs
lola: 59840738 markings, 215086673 edges, 267068 markings/sec, 225 secs
lola: 61028891 markings, 219470577 edges, 237631 markings/sec, 230 secs
lola: 62178772 markings, 223699633 edges, 229976 markings/sec, 235 secs
lola: 63268228 markings, 227746359 edges, 217891 markings/sec, 240 secs
lola: 64385911 markings, 231867592 edges, 223537 markings/sec, 245 secs
lola: 65496764 markings, 235964873 edges, 222171 markings/sec, 250 secs
lola: 66606566 markings, 240085371 edges, 221960 markings/sec, 255 secs
lola: 67745924 markings, 244262968 edges, 227872 markings/sec, 260 secs
lola: 68833194 markings, 248304654 edges, 217454 markings/sec, 265 secs
lola: 70008573 markings, 252646275 edges, 235076 markings/sec, 270 secs
lola: 71147869 markings, 256940285 edges, 227859 markings/sec, 275 secs
lola: 72301751 markings, 261328518 edges, 230776 markings/sec, 280 secs
lola: 73406208 markings, 265709108 edges, 220891 markings/sec, 285 secs
lola: 74714597 markings, 270441601 edges, 261678 markings/sec, 290 secs
lola: 75824537 markings, 274559330 edges, 221988 markings/sec, 295 secs
lola: 76923203 markings, 278583569 edges, 219733 markings/sec, 300 secs
lola: 77966591 markings, 282458555 edges, 208678 markings/sec, 305 secs
lola: 79022870 markings, 286368360 edges, 211256 markings/sec, 310 secs
lola: 80110479 markings, 290356281 edges, 217522 markings/sec, 315 secs
lola: 81170782 markings, 294286996 edges, 212061 markings/sec, 320 secs
lola: 82245754 markings, 298268934 edges, 214994 markings/sec, 325 secs
lola: 83347972 markings, 302316189 edges, 220444 markings/sec, 330 secs
lola: 84435132 markings, 306368864 edges, 217432 markings/sec, 335 secs
lola: 85554303 markings, 310530472 edges, 223834 markings/sec, 340 secs
lola: 86632022 markings, 314638588 edges, 215544 markings/sec, 345 secs
lola: 87712157 markings, 318837113 edges, 216027 markings/sec, 350 secs
lola: 88945266 markings, 323459784 edges, 246622 markings/sec, 355 secs
lola: 90090262 markings, 327673952 edges, 228999 markings/sec, 360 secs
lola: 91196179 markings, 331728785 edges, 221183 markings/sec, 365 secs
lola: 92233667 markings, 335581588 edges, 207498 markings/sec, 370 secs
lola: 93290304 markings, 339485327 edges, 211327 markings/sec, 375 secs
lola: 94358488 markings, 343408015 edges, 213637 markings/sec, 380 secs
lola: 95411082 markings, 347308880 edges, 210519 markings/sec, 385 secs
lola: 96469024 markings, 351232623 edges, 211588 markings/sec, 390 secs
lola: 97559086 markings, 355226309 edges, 218012 markings/sec, 395 secs
lola: 98616861 markings, 359152710 edges, 211555 markings/sec, 400 secs
lola: 99694456 markings, 363175485 edges, 215519 markings/sec, 405 secs
lola: 100772212 markings, 367217510 edges, 215551 markings/sec, 410 secs
lola: 101846412 markings, 371332438 edges, 214840 markings/sec, 415 secs
lola: 102899293 markings, 375552282 edges, 210576 markings/sec, 420 secs
lola: 104198739 markings, 380178131 edges, 259889 markings/sec, 425 secs
lola: 105289370 markings, 384223801 edges, 218126 markings/sec, 430 secs
lola: 106358062 markings, 388157037 edges, 213738 markings/sec, 435 secs
lola: 107388810 markings, 391982883 edges, 206150 markings/sec, 440 secs
lola: 108435254 markings, 395851669 edges, 209289 markings/sec, 445 secs
lola: 109505430 markings, 399775630 edges, 214035 markings/sec, 450 secs
lola: 110546778 markings, 403633991 edges, 208270 markings/sec, 455 secs
lola: 111592879 markings, 407520310 edges, 209220 markings/sec, 460 secs
lola: 112682670 markings, 411512040 edges, 217958 markings/sec, 465 secs
lola: 113574554 markings, 414819635 edges, 178377 markings/sec, 470 secs
lola: 113614401 markings, 414964227 edges, 7969 markings/sec, 475 secs
lola: 113644234 markings, 415075508 edges, 5967 markings/sec, 480 secs
lola: 113674973 markings, 415190973 edges, 6148 markings/sec, 485 secs
lola: 113687273 markings, 415239553 edges, 2460 markings/sec, 490 secs
lola: Child process aborted or communication problem between parent and child process

FORMULA ClientsAndServers-PT-N0010P0-LTLCardinality-11 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: RESULT
lola:
SUMMARY: no yes no no no no yes no no no no unknown no no no yes
lola:
preliminary result: no yes no no no no yes no no no no unknown no no no yes
lola: memory consumption: 16504 KB
lola: time consumption: 986 seconds

BK_STOP 1527770904933

--------------------
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="ClientsAndServers-PT-N0010P0"
export BK_EXAMINATION="LTLCardinality"
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/ClientsAndServers-PT-N0010P0.tgz
mv ClientsAndServers-PT-N0010P0 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 ClientsAndServers-PT-N0010P0, 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 r208-smll-152732257200025"
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 '' LTLCardinality.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 ;