About the Execution of M4M.full for PolyORBLF-COL-S04J06T06
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
2199.490 | 318451.00 | 279718.00 | 1556.30 | TTT?TFFFFTFFTFTT | 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 328K
-rw-r--r-- 1 mcc users 4.4K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K 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 5.9K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.9K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.6K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K 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 114 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 352 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:50 equiv_pt
-rw-r--r-- 1 mcc users 10 May 15 18:50 instance
-rw-r--r-- 1 mcc users 5 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 154K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool mcc4mcc-full
Input is PolyORBLF-COL-S04J06T06, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r214-smll-152732265500371
=====================================================================
--------------------
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 PolyORBLF-COL-S04J06T06-LTLCardinality-00
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-01
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-02
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-03
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-04
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-05
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-06
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-07
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-08
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-09
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-10
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-11
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-12
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-13
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-14
FORMULA_NAME PolyORBLF-COL-S04J06T06-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1527463429440
BK_STOP 1527463747891
--------------------
content from stderr:
Prefix is 65b80f64.
Reading known information in /usr/share/mcc4mcc/65b80f64-known.json.
Reading learned information in /usr/share/mcc4mcc/65b80f64-learned.json.
Reading value translations in /usr/share/mcc4mcc/65b80f64-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using PolyORBLF-COL-S04J06T06 as instance name.
Using PolyORBLF as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'LTLCardinality', 'Place/Transition': True, 'Colored': True, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': False, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': False, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': False, 'Safe': False, 'Deadlock': True, 'Reversible': None, 'Quasi Live': None, 'Live': None}.
Known tools are: [{'Time': 120892, 'Memory': 400, 'Tool': 'lola'}, {'Time': 130224, 'Memory': 551, 'Tool': 'lola'}].
Learned tools are: [{'Tool': 'lola'}].
Learned tool lola is 1.0x far from the best tool lola.
LTLCardinality lola PolyORBLF-COL-S04J06T06...
Time: 3600 - MCC
----- Start make prepare stdout -----
----- Start make prepare stderr -----
===========================================================================================
PolyORBLF-COL-S04J06T06: translating COL Petri net model.pnml into LoLA format
===========================================================================================
translating COL Petri net complete
checking for too many tokens
===========================================================================================
PolyORBLF-COL-S04J06T06: translating COL formula LTLCardinality into LoLA format
===========================================================================================
translating formula complete
----- Start make result stdout -----
----- Start make result stderr -----
LTLCardinality @ PolyORBLF-COL-S04J06T06 @ 3539 seconds
----- Start make result stdout -----
----- Start make result stderr -----
lola: LoLA will run for 3539 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 3808/65536 symbol table entries, 459 collisions
lola: preprocessing...
lola: finding significant places
lola: 618 places, 3190 transitions, 564 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 2157 transition conflict sets
lola: TASK
lola: reading formula from PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: A ((p606 + p607 + p608 + p609 + p610 + p611 <= p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217)) : A (X (((3 <= p18) U X ((2 <= p241 + p242 + p243 + p244 + p245 + p246))))) : A ((p178 + p179 + p180 + p181 + p182 + p183 <= p455 + p456 + p457 + p458 + p459 + p460 + p461 + p462 + p463 + p464 + p465 + p466 + p467 + p468 + p469 + p470 + p471 + p472 + p473 + p474 + p475 + p476 + p477 + p478 + p479 + p480 + p481 + p482 + p483 + p484 + p485 + p486 + p487 + p488 + p489 + p490 + p491 + p492 + p493 + p494 + p495 + p496)) : A (G ((G ((2 <= p605)) U F ((p32 + p33 + p34 + p35 + p36 + p37 <= p579))))) : A (F (((3 <= p417 + p418 + p419 + p421 + p422 + p423 + p425 + p426 + p427 + p429 + p430 + p431 + p433 + p434 + p435 + p437 + p438 + p439 + p441 + p442 + p443 + p444 + p440 + p436 + p432 + p428 + p424 + p420) U F ((p298 + p299 + p300 + p301 + p302 + p303 <= p597 + p596 + p595 + p594))))) : A (X (((p612 + p613 + p614 + p615 + p616 + p617 <= p6 + p7 + p8 + p9 + p10 + p11) U X ((1 <= p218 + p219 + p220 + p221 + p222 + p223))))) : A (X ((G ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)) U F ((3 <= p559 + p560 + p561 + p562 + p563 + p564 + p565))))) : A ((p224 + p225 + p226 + p227 <= p304 + p305 + p306 + p307 + p308 + p309)) : A ((((1 <= p580) U (1 <= p100 + p101 + p102 + p103 + p92 + p91 + p90 + p89 + p88 + p87 + p86 + p85 + p84 + p83 + p82 + p81 + p80 + p79 + p78 + p77 + p76 + p75 + p74 + p73 + p72 + p71 + p70 + p69 + p68 + p67 + p66 + p65 + p64 + p63 + p62 + p93 + p94 + p95 + p96 + p97 + p98 + p99)) U X (X ((3 <= p558))))) : A (F ((p552 + p553 + p554 + p555 + p556 + p557 <= p573 + p574 + p575 + p576 + p577 + p578))) : A ((((2 <= p310 + p311 + p312 + p313 + p314 + p315) U (p166 <= p552 + p553 + p554 + p555 + p556 + p557)) U X (G ((p445 + p446 + p447 + p448 + p449 + p450 <= p347 + p348 + p349 + p350 + p351 + p352 + p353 + p354 + p355 + p356 + p357 + p358 + p359 + p360 + p361 + p362 + p363 + p364 + p365 + p366 + p367 + p368 + p369 + p370 + p371 + p372 + p373 + p374 + p375 + p376 + p377 + p378 + p379 + p380 + p381 + p382 + p383 + p384 + p385 + p386 + p387 + p388))))) : A ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)) : A (X ((X ((2 <= p235 + p236 + p237 + p238 + p239 + p240)) U F ((p580 <= p135))))) : A (((p546 + p547 + p548 + p549 + p550 + p551 <= p235 + p236 + p237 + p238 + p239 + p240) U (2 <= p32 + p33 + p34 + p35 + p36 + p37))) : A ((1 <= p612 + p613 + p614 + p615 + p616 + p617)) : A ((p123 + p124 + p125 + p126 + p127 + p128 <= p552 + p553 + p554 + p555 + p556 + p557))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((p606 + p607 + p608 + p609 + p610 + p611 <= p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (p606 + p607 + p608 + p609 + p610 + p611 <= p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217)
lola: processed formula length: 210
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: subprocess 1 will run for 235 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (((3 <= p18) U X ((2 <= p241 + p242 + p243 + p244 + p245 + p246)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (((3 <= p18) U X ((2 <= p241 + p242 + p243 + p244 + p245 + p246)))))
lola: processed formula: A (X (((3 <= p18) U X ((2 <= p241 + p242 + p243 + p244 + p245 + p246)))))
lola: processed formula length: 73
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 5 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 29 unused bits
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: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 25 markings, 36 edges
lola: ========================================
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((p178 + p179 + p180 + p181 + p182 + p183 <= p455 + p456 + p457 + p458 + p459 + p460 + p461 + p462 + p463 + p464 + p465 + p466 + p467 + p468 + p469 + p470 + p471 + p472 + p473 + p474 + p475 + p476 + p477 + p478 + p479 + p480 + p481 + p482 + p483 + p484 + p485 + p486 + p487 + p488 + p489 + p490 + p491 + p492 + p493 + p494 + p495 + p496))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (p178 + p179 + p180 + p181 + p182 + p183 <= p455 + p456 + p457 + p458 + p459 + p460 + p461 + p462 + p463 + p464 + p465 + p466 + p467 + p468 + p469 + p470 + p471 + p472 + p473 + p474 + p475 + p476 + p477 + p478 + p479 + p480 + p481 + p482 + p483 + p484 + p485 + p486 + p487 + p488 + p489 + p490 + p491 + p492 + p493 + p494 + p495 + p496)
lola: processed formula length: 336
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: subprocess 3 will run for 272 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((G ((2 <= p605)) U F ((p32 + p33 + p34 + p35 + p36 + p37 <= p579)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (G ((G ((2 <= p605)) U F ((p32 + p33 + p34 + p35 + p36 + p37 <= p579)))))
lola: processed formula: A (G ((G ((2 <= p605)) U F ((p32 + p33 + p34 + p35 + p36 + p37 <= p579)))))
lola: processed formula length: 75
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: 23748 markings, 26430 edges, 4750 markings/sec, 0 secs
lola: 47467 markings, 53781 edges, 4744 markings/sec, 5 secs
lola: 70592 markings, 81486 edges, 4625 markings/sec, 10 secs
lola: 94241 markings, 109816 edges, 4730 markings/sec, 15 secs
lola: 117639 markings, 137733 edges, 4680 markings/sec, 20 secs
lola: 141091 markings, 166438 edges, 4690 markings/sec, 25 secs
lola: 164441 markings, 195148 edges, 4670 markings/sec, 30 secs
lola: 187583 markings, 223445 edges, 4628 markings/sec, 35 secs
lola: 210848 markings, 251707 edges, 4653 markings/sec, 40 secs
lola: 234691 markings, 280600 edges, 4769 markings/sec, 45 secs
lola: 257934 markings, 310060 edges, 4649 markings/sec, 50 secs
lola: 281306 markings, 338728 edges, 4674 markings/sec, 55 secs
lola: 303865 markings, 366494 edges, 4512 markings/sec, 60 secs
lola: 327788 markings, 395841 edges, 4785 markings/sec, 65 secs
lola: 351600 markings, 424630 edges, 4762 markings/sec, 70 secs
lola: 375643 markings, 453584 edges, 4809 markings/sec, 75 secs
lola: 399607 markings, 483067 edges, 4793 markings/sec, 80 secs
lola: 423713 markings, 512554 edges, 4821 markings/sec, 85 secs
lola: 447794 markings, 542099 edges, 4816 markings/sec, 90 secs
lola: 471470 markings, 572162 edges, 4735 markings/sec, 95 secs
lola: 495482 markings, 602337 edges, 4802 markings/sec, 100 secs
lola: 519713 markings, 632451 edges, 4846 markings/sec, 105 secs
lola: 543541 markings, 663354 edges, 4766 markings/sec, 110 secs
lola: 567455 markings, 693651 edges, 4783 markings/sec, 115 secs
lola: 591429 markings, 723610 edges, 4795 markings/sec, 120 secs
lola: 615570 markings, 753354 edges, 4828 markings/sec, 125 secs
lola: 639356 markings, 782859 edges, 4757 markings/sec, 130 secs
lola: 663608 markings, 813927 edges, 4850 markings/sec, 135 secs
lola: 687508 markings, 844743 edges, 4780 markings/sec, 140 secs
lola: 711424 markings, 875171 edges, 4783 markings/sec, 145 secs
lola: 735256 markings, 904569 edges, 4766 markings/sec, 150 secs
lola: 757096 markings, 931762 edges, 4368 markings/sec, 155 secs
lola: 781090 markings, 961427 edges, 4799 markings/sec, 160 secs
lola: 804861 markings, 991835 edges, 4754 markings/sec, 165 secs
lola: 829315 markings, 1022224 edges, 4891 markings/sec, 170 secs
lola: 853589 markings, 1052608 edges, 4855 markings/sec, 175 secs
lola: 877257 markings, 1083703 edges, 4734 markings/sec, 180 secs
lola: 901639 markings, 1114039 edges, 4876 markings/sec, 185 secs
lola: 925649 markings, 1144245 edges, 4802 markings/sec, 190 secs
lola: 949716 markings, 1175131 edges, 4813 markings/sec, 195 secs
lola: 973266 markings, 1205781 edges, 4710 markings/sec, 200 secs
lola: 997134 markings, 1236413 edges, 4774 markings/sec, 205 secs
lola: 1020907 markings, 1267534 edges, 4755 markings/sec, 210 secs
lola: 1044752 markings, 1298061 edges, 4769 markings/sec, 215 secs
lola: 1069121 markings, 1328399 edges, 4874 markings/sec, 220 secs
lola: 1092913 markings, 1359059 edges, 4758 markings/sec, 225 secs
lola: 1116936 markings, 1390102 edges, 4805 markings/sec, 230 secs
lola: 1141022 markings, 1419994 edges, 4817 markings/sec, 235 secs
lola: 1165134 markings, 1450326 edges, 4822 markings/sec, 240 secs
lola: 1189191 markings, 1480923 edges, 4811 markings/sec, 245 secs
lola: 1212812 markings, 1512321 edges, 4724 markings/sec, 250 secs
lola: 1236938 markings, 1543063 edges, 4825 markings/sec, 255 secs
lola: 1261055 markings, 1574042 edges, 4823 markings/sec, 260 secs
lola: 1283670 markings, 1602660 edges, 4523 markings/sec, 265 secs
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 4 will run for 272 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (F (((3 <= p417 + p418 + p419 + p421 + p422 + p423 + p425 + p426 + p427 + p429 + p430 + p431 + p433 + p434 + p435 + p437 + p438 + p439 + p441 + p442 + p443 + p444 + p440 + p436 + p432 + p428 + p424 + p420) U F ((p298 + p299 + p300 + p301 + p302 + p303 <= p597 + p596 + p595 + p594)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (F (((3 <= p417 + p418 + p419 + p421 + p422 + p423 + p425 + p426 + p427 + p429 + p430 + p431 + p433 + p434 + p435 + p437 + p438 + p439 + p441 + p442 + p443 + p444 + p440 + p436 + p432 + p428 + p424 + p420) U F ((p298 + p299 + p300 + p301 + p302 + p303 <= p597 + p596 + p595 + p594)))))
lola: processed formula: A (F (((3 <= p417 + p418 + p419 + p421 + p422 + p423 + p425 + p426 + p427 + p429 + p430 + p431 + p433 + p434 + p435 + p437 + p438 + p439 + p441 + p442 + p443 + p444 + p440 + p436 + p432 + p428 + p424 + p420) U F ((p298 + p299 + p300 + p301 + p302 + p303 <= p597 + p596 + p595 + p594)))))
lola: processed formula length: 287
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 1 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 31 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
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: 1 markings, 0 edges
lola: ========================================
lola: subprocess 5 will run for 297 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (((p612 + p613 + p614 + p615 + p616 + p617 <= p6 + p7 + p8 + p9 + p10 + p11) U X ((1 <= p218 + p219 + p220 + p221 + p222 + p223)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (((p612 + p613 + p614 + p615 + p616 + p617 <= p6 + p7 + p8 + p9 + p10 + p11) U X ((1 <= p218 + p219 + p220 + p221 + p222 + p223)))))
lola: processed formula: A (X (((p612 + p613 + p614 + p615 + p616 + p617 <= p6 + p7 + p8 + p9 + p10 + p11) U X ((1 <= p218 + p219 + p220 + p221 + p222 + p223)))))
lola: processed formula length: 137
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 5 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 29 unused bits
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: 590 markings, 590 edges
lola: ========================================
lola: subprocess 6 will run for 326 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X ((G ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)) U F ((3 <= p559 + p560 + p561 + p562 + p563 + p564 + p565)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X ((G ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)) U F ((3 <= p559 + p560 + p561 + p562 + p563 + p564 + p565)))))
lola: processed formula: A (X ((G ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)) U F ((3 <= p559 + p560 + p561 + p562 + p563 + p564 + p565)))))
lola: processed formula length: 372
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 30 unused bits
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: 590 markings, 590 edges
lola: ========================================
lola: subprocess 7 will run for 363 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((p224 + p225 + p226 + p227 <= p304 + p305 + p306 + p307 + p308 + p309))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (p224 + p225 + p226 + p227 <= p304 + p305 + p306 + p307 + p308 + p309)
lola: processed formula length: 70
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: subprocess 8 will run for 408 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((((1 <= p580) U (1 <= p100 + p101 + p102 + p103 + p92 + p91 + p90 + p89 + p88 + p87 + p86 + p85 + p84 + p83 + p82 + p81 + p80 + p79 + p78 + p77 + p76 + p75 + p74 + p73 + p72 + p71 + p70 + p69 + p68 + p67 + p66 + p65 + p64 + p63 + p62 + p93 + p94 + p95 + p96 + p97 + p98 + p99)) U X (X ((3 <= p558)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((((1 <= p580) U (1 <= p100 + p101 + p102 + p103 + p92 + p91 + p90 + p89 + p88 + p87 + p86 + p85 + p84 + p83 + p82 + p81 + p80 + p79 + p78 + p77 + p76 + p75 + p74 + p73 + p72 + p71 + p70 + p69 + p68 + p67 + p66 + p65 + p64 + p63 + p62 + p93 + p94 + p95 + p96 + p97 + p98 + p99)) U X (X ((3 <= p558)))))
lola: processed formula: A ((((1 <= p580) U (1 <= p100 + p101 + p102 + p103 + p92 + p91 + p90 + p89 + p88 + p87 + p86 + p85 + p84 + p83 + p82 + p81 + p80 + p79 + p78 + p77 + p76 + p75 + p74 + p73 + p72 + p71 + p70 + p69 + p68 + p67 + p66 + p65 + p64 + p63 + p62 + p93 + p94 + p95 + p96 + p97 + p98 + p99)) U X (X ((3 <= p558)))))
lola: processed formula length: 304
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 11 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 28 unused bits
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: 590 markings, 590 edges
lola: ========================================
lola: subprocess 9 will run for 466 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (F ((p552 + p553 + p554 + p555 + p556 + p557 <= p573 + p574 + p575 + p576 + p577 + p578)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (F ((p552 + p553 + p554 + p555 + p556 + p557 <= p573 + p574 + p575 + p576 + p577 + p578)))
lola: processed formula: A (F ((p552 + p553 + p554 + p555 + p556 + p557 <= p573 + p574 + p575 + p576 + p577 + p578)))
lola: processed formula length: 92
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 1 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 31 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
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: 1 markings, 0 edges
lola: ========================================
lola: subprocess 10 will run for 544 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((((2 <= p310 + p311 + p312 + p313 + p314 + p315) U (p166 <= p552 + p553 + p554 + p555 + p556 + p557)) U X (G ((p445 + p446 + p447 + p448 + p449 + p450 <= p347 + p348 + p349 + p350 + p351 + p352 + p353 + p354 + p355 + p356 + p357 + p358 + p359 + p360 + p361 + p362 + p363 + p364 + p365 + p366 + p367 + p368 + p369 + p370 + p371 + p372 + p373 + p374 + p375 + p376 + p377 + p378 + p379 + p380 + p381 ... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((((2 <= p310 + p311 + p312 + p313 + p314 + p315) U (p166 <= p552 + p553 + p554 + p555 + p556 + p557)) U X (G ((p445 + p446 + p447 + p448 + p449 + p450 <= p347 + p348 + p349 + p350 + p351 + p352 + p353 + p354 + p355 + p356 + p357 + p358 + p359 + p360 + p361 + p362 + p363 + p364 + p365 + p366 + p367 + p368 + p369 + p370 + p371 + p372 + p373 + p374 + p375 + p376 + p377 + p378 + p379 + p380 + p381 + p382 + p383 + p384 + p385 + p386 + p387 + p388)))))
lola: processed formula: A ((((2 <= p310 + p311 + p312 + p313 + p314 + p315) U (p166 <= p552 + p553 + p554 + p555 + p556 + p557)) U X (G ((p445 + p446 + p447 + p448 + p449 + p450 <= p347 + p348 + p349 + p350 + p351 + p352 + p353 + p354 + p355 + p356 + p357 + p358 + p359 + p360 + p361 + p362 + p363 + p364 + p365 + p366 + p367 + p368 + p369 + p370 + p371 + p372 + p373 + p374 + p375 + p376 + p377 + p378 + p379 + p380 + p381 ... (shortened)
lola: processed formula length: 453
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 7 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 29 unused bits
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: 1936 markings, 1947 edges
lola: ========================================
lola: subprocess 11 will run for 653 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (2 <= p497 + p498 + p499 + p500 + p501 + p502 + p503 + p504 + p505 + p506 + p507 + p508 + p509 + p510 + p511 + p512 + p513 + p514 + p515 + p516 + p517 + p518 + p519 + p520 + p521 + p522 + p523 + p524 + p525 + p526 + p527 + p528 + p529 + p530 + p531 + p532 + p533 + p534 + p535 + p536 + p537 + p538)
lola: processed formula length: 298
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: subprocess 12 will run for 816 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X ((X ((2 <= p235 + p236 + p237 + p238 + p239 + p240)) U F ((p580 <= p135)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X ((X ((2 <= p235 + p236 + p237 + p238 + p239 + p240)) U F ((p580 <= p135)))))
lola: processed formula: A (X ((X ((2 <= p235 + p236 + p237 + p238 + p239 + p240)) U F ((p580 <= p135)))))
lola: processed formula length: 81
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 30 unused bits
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: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 5 markings, 4 edges
lola: ========================================
lola: subprocess 13 will run for 1089 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (((p546 + p547 + p548 + p549 + p550 + p551 <= p235 + p236 + p237 + p238 + p239 + p240) U (2 <= p32 + p33 + p34 + p35 + p36 + p37)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (((p546 + p547 + p548 + p549 + p550 + p551 <= p235 + p236 + p237 + p238 + p239 + p240) U (2 <= p32 + p33 + p34 + p35 + p36 + p37)))
lola: processed formula: A (((p546 + p547 + p548 + p549 + p550 + p551 <= p235 + p236 + p237 + p238 + p239 + p240) U (2 <= p32 + p33 + p34 + p35 + p36 + p37)))
lola: processed formula length: 133
lola: 0 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-LTLCardinality.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 2260 bytes per marking, with 30 unused bits
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: 1181 markings, 1181 edges
lola: ========================================
lola: subprocess 14 will run for 1633 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((1 <= p612 + p613 + p614 + p615 + p616 + p617))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (1 <= p612 + p613 + p614 + p615 + p616 + p617)
lola: processed formula length: 46
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: subprocess 15 will run for 3267 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((p123 + p124 + p125 + p126 + p127 + p128 <= p552 + p553 + p554 + p555 + p556 + p557))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (p123 + p124 + p125 + p126 + p127 + p128 <= p552 + p553 + p554 + p555 + p556 + p557)
lola: processed formula length: 84
lola: 1 rewrites
lola: formula mentions 0 of 618 places; total mentions: 0
lola: closed formula file PolyORBLF-COL-S04J06T06-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: ========================================
lola: RESULT
lola:
SUMMARY: yes yes yes unknown yes no no no no yes no no yes no yes yes
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-0 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-2 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-3 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-4 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-6 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-9 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-COL-S04J06T06-LTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stdout -----
----- Kill lola and sara stderr -----
----- Finished stdout -----
----- Finished 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="PolyORBLF-COL-S04J06T06"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="mcc4mcc-full"
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/PolyORBLF-COL-S04J06T06.tgz
mv PolyORBLF-COL-S04J06T06 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 mcc4mcc-full"
echo " Input is PolyORBLF-COL-S04J06T06, 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 r214-smll-152732265500371"
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 ;