About the Execution of ITS-Tools.M for ASLink-PT-01b
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
2355.500 | 174642.00 | 606849.00 | 377.30 | FFFFFFFFFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2019-input.r188-smll-155225013900025.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2019-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-3817
Executing tool itstoolsm
Input is ASLink-PT-01b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r188-smll-155225013900025
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 3.1K Feb 9 05:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 17K Feb 9 05:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 5 01:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 5 01:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 100 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 338 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.4K Feb 4 22:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K Feb 4 22:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.0K Feb 4 22:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.9K Feb 1 23:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K Feb 1 23:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Jan 29 09:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Jan 29 09:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 4 22:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 4 22:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 4 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 293K Mar 10 17:31 model.pnml
--------------------
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 ASLink-PT-01b-LTLFireability-00
FORMULA_NAME ASLink-PT-01b-LTLFireability-01
FORMULA_NAME ASLink-PT-01b-LTLFireability-02
FORMULA_NAME ASLink-PT-01b-LTLFireability-03
FORMULA_NAME ASLink-PT-01b-LTLFireability-04
FORMULA_NAME ASLink-PT-01b-LTLFireability-05
FORMULA_NAME ASLink-PT-01b-LTLFireability-06
FORMULA_NAME ASLink-PT-01b-LTLFireability-07
FORMULA_NAME ASLink-PT-01b-LTLFireability-08
FORMULA_NAME ASLink-PT-01b-LTLFireability-09
FORMULA_NAME ASLink-PT-01b-LTLFireability-10
FORMULA_NAME ASLink-PT-01b-LTLFireability-11
FORMULA_NAME ASLink-PT-01b-LTLFireability-12
FORMULA_NAME ASLink-PT-01b-LTLFireability-13
FORMULA_NAME ASLink-PT-01b-LTLFireability-14
FORMULA_NAME ASLink-PT-01b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1553560858422
Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 1148 rows 846 cols
invariant :p298 + p299 + p300 + p301 + -1'p302 + -1'p303 + -1'p304 + -1'p305 = 0
invariant :p403 + p404 + -1'p453 + -1'p454 = 0
invariant :p202 + p203 + -1'p444 + -1'p445 = 0
invariant :p838 + p842 + p843 + -1'p844 + -1'p845 = 0
invariant :p744 + p745 + p746 + p747 + -1'p748 + -1'p749 + -1'p750 + -1'p751 = 0
invariant :p83 + p84 + p85 + p86 + p89 + p92 + p96 + p100 + p104 + p108 + p112 + p116 + p120 + p124 + p125 + -1'p182 + -1'p183 + -1'p184 + -1'p185 + -1'p186 + -1'p187 + -1'p188 + -1'p189 + -1'p190 + -1'p191 + -1'p192 + -1'p193 + -1'p194 + -1'p195 + -1'p196 + -1'p207 + -1'p219 + -1'p220 + -1'p221 + -1'p222 + -1'p223 + -1'p224 + -1'p225 + -1'p226 + -1'p227 + -1'p228 + -1'p229 + -1'p230 + p237 + p238 + p239 + p240 + p242 + p243 + p244 + p246 + p247 + p248 + p249 + p251 + p252 + p253 + -1'p292 + -1'p293 + -1'p294 + -1'p295 + -1'p296 + -1'p306 + -1'p307 + -1'p308 + -1'p309 + -1'p329 + -1'p330 + -1'p331 + -1'p332 + -1'p333 + -1'p343 + -1'p344 + -1'p345 + -1'p346 + -1'p363 + -1'p364 + -1'p365 + -1'p366 + -1'p367 + -1'p377 + -1'p378 + -1'p379 + -1'p380 + -1'p381 + -1'p388 + p396 + p397 + p400 + -1'p447 + -1'p448 + p465 + p466 + p480 + p481 + p483 + p484 + p486 + p487 + p489 + p490 + p492 + p493 + p495 + p496 + p498 + p499 + p501 + p502 + p507 + p508 + p510 + p511 + p513 + p514 + p516 + p517 + p519 + p520 + p522 + p523 + p525 + p526 + p528 + p529 = 0
invariant :-1'p130 + -1'p131 + -1'p133 + -1'p134 + -1'p136 + -1'p137 + -1'p139 + -1'p140 + -1'p142 + -1'p143 + -1'p145 + -1'p146 + -1'p148 + -1'p149 + -1'p151 + -1'p152 + -1'p421 + -1'p422 + p425 + p426 + p429 + p431 + p432 + p435 + -1'p439 + -1'p440 + -1'p532 + -1'p538 + -1'p540 + -1'p541 + -1'p544 + -1'p547 + -1'p550 + -1'p553 + -1'p556 + -1'p559 + -1'p562 + -1'p565 + -1'p568 + -1'p569 + p680 + p681 + -1'p684 + -1'p685 + -1'p686 + -1'p687 + -1'p688 + p691 + p692 + -1'p695 + -1'p696 + p699 + p700 + -1'p703 + -1'p704 + p707 + p708 + -1'p711 + -1'p712 + p715 + p716 + p723 + p724 + -1'p727 + -1'p728 + -1'p729 + -1'p730 + -1'p731 + p734 + p735 + -1'p738 + -1'p739 + p742 + p743 + p750 + p751 + -1'p754 + -1'p755 + -1'p756 + -1'p757 + -1'p758 + p761 + p762 + p769 + p770 = 0
invariant :p478 + p479 + p480 + p481 + p482 + p483 + p484 + p485 + p486 + p487 + p488 + p489 + p490 + p491 + p492 + p493 + p494 + p495 + p496 + p497 + p498 + p499 + p500 + p501 + p502 + p503 + 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 + -1'p594 + -1'p595 + -1'p597 + -1'p598 + -1'p600 + -1'p601 + -1'p603 + -1'p604 + -1'p782 + -1'p783 + -1'p790 + -1'p791 + -1'p798 + -1'p799 + -1'p828 + -1'p829 + -1'p836 + -1'p837 = 0
invariant :p801 + p802 + p803 + -1'p804 + -1'p805 + -1'p806 = 0
invariant :-1'p233 + -1'p234 + -1'p235 + -1'p263 + -1'p264 + -1'p265 + -1'p266 + -1'p294 + -1'p295 + -1'p296 + -1'p306 + -1'p307 + -1'p308 + -1'p309 + -1'p331 + -1'p332 + -1'p333 + -1'p343 + -1'p344 + -1'p345 + -1'p346 + -1'p365 + -1'p366 + -1'p367 + -1'p377 + -1'p378 + -1'p379 + -1'p380 + p468 + p469 = 0
invariant :-1'p381 + -1'p388 + p394 + p395 + p396 + p397 + p400 + -1'p447 + -1'p448 + p465 + p466 = 0
invariant :p736 + p737 + p738 + p739 + -1'p740 + -1'p741 + -1'p742 + -1'p743 = 0
invariant :p0 + p1 + p77 + p78 + p79 + p442 + p443 + p444 + p445 + p446 + p447 + p448 + p449 + p450 = 1
invariant :p0 + p1 + p77 + p233 + p234 + p235 + p263 + p264 + p265 + p266 + p294 + p295 + p296 + p306 + p307 + p308 + p309 + p331 + p332 + p333 + p343 + p344 + p345 + p346 + p365 + p366 + p367 + p377 + p378 + p379 + p380 + p463 + p464 + p465 + p466 + p467 + p470 + p471 = 1
invariant :p725 + p726 + p727 + p728 + p729 + p730 + p731 + -1'p732 + -1'p733 + -1'p734 + -1'p735 = 0
invariant :p297 + p302 + p303 + p304 + p305 + -1'p306 + -1'p307 + -1'p308 + -1'p309 = 0
invariant :p532 + p533 + p534 + p540 + p541 + -1'p672 + p679 + -1'p683 + p690 + -1'p694 + p698 + -1'p702 + p706 + -1'p710 + p714 + -1'p718 + p722 + -1'p726 + p733 + -1'p737 + p741 + -1'p745 + p749 + -1'p753 + p760 + -1'p764 + p768 = 0
invariant :p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + -1'p212 + -1'p213 + -1'p407 + -1'p408 = 0
invariant :p44 + p45 + -1'p53 + -1'p54 + -1'p73 + -1'p74 = 0
invariant :p0 + p1 + p2 + p3 + p42 + p43 + p46 + p47 + p48 + p49 + p50 + p53 + p54 + p73 + p74 = 1
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p81 + p410 + p411 + p412 + p413 + p414 + p419 + p420 + p421 + p422 = 1
invariant :-1'p792 + -1'p793 + -1'p794 + -1'p795 + p796 + p797 + p798 + p799 = 0
invariant :p671 + p672 + p673 + p674 + p675 + p676 + p677 + -1'p678 + -1'p679 + -1'p680 + -1'p681 = 0
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p81 + p82 + p83 + p154 + p155 + p212 + p213 + p407 + p408 = 1
invariant :p368 + p373 + p374 + p375 + p376 + -1'p377 + -1'p378 + -1'p379 + -1'p380 = 0
invariant :p0 + p472 + p473 + p474 + p475 + p531 + p539 + p680 + p681 + p691 + p692 + p699 + p700 + p707 + p708 + p715 + p716 + p723 + p724 + p734 + p735 + p742 + p743 + p750 + p751 + p761 + p762 + p769 + p770 = 1
invariant :p0 + p1 + p77 + p78 + p451 + p452 + p453 + p454 + p455 + p456 + p457 + p458 + p459 + p460 + p461 + p462 = 1
invariant :p537 + p538 + p544 + p545 + p546 + p547 + p548 + p549 + p550 + p551 + p552 + p553 + p554 + p555 + p556 + p557 + p558 + p559 + p560 + p561 + p562 + p563 + p564 + p565 + p566 + p567 + p568 + p569 + p672 + p673 + p674 + p675 + p676 + p677 + -1'p679 + -1'p680 + -1'p681 + p683 + p684 + p685 + p686 + p687 + p688 + -1'p690 + -1'p691 + -1'p692 + p694 + p695 + p696 + -1'p698 + -1'p699 + -1'p700 + p702 + p703 + p704 + -1'p706 + -1'p707 + -1'p708 + p710 + p711 + p712 + -1'p714 + -1'p715 + -1'p716 + p718 + p719 + p720 + -1'p722 + -1'p723 + -1'p724 + p726 + p727 + p728 + p729 + p730 + p731 + -1'p733 + -1'p734 + -1'p735 + p737 + p738 + p739 + -1'p741 + -1'p742 + -1'p743 + p745 + p746 + p747 + -1'p749 + -1'p750 + -1'p751 + p753 + p754 + p755 + p756 + p757 + p758 + -1'p760 + -1'p761 + -1'p762 + p764 + p765 + p766 + -1'p768 + -1'p769 + -1'p770 = 0
invariant :p717 + p718 + p719 + p720 + -1'p721 + -1'p722 + -1'p723 + -1'p724 = 0
invariant :p216 + p217 + -1'p459 + -1'p460 = 0
invariant :p335 + p336 + p337 + p338 + -1'p339 + -1'p340 + -1'p341 + -1'p342 = 0
invariant :-1'p47 + -1'p48 + p56 + p61 + p62 + p63 + p64 + p65 + p66 = 0
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p81 + p82 + p83 + p84 + p126 + p127 + p275 + p276 + p278 + p279 + p281 + p282 + p284 + p285 + p318 + p319 + p321 + p322 + p355 + p356 = 1
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p130 + p131 + p133 + p134 + p136 + p137 + p139 + p140 + p142 + p143 + p145 + p146 + p148 + p149 + p151 + p152 + p228 + p229 + p289 + p290 + p326 + p327 + p360 + p361 + p421 + p422 + p423 + p424 + p430 + p436 = 1
invariant :-1'p224 + -1'p225 + -1'p226 + -1'p227 + -1'p228 + -1'p229 + -1'p230 + p231 + p232 + p233 + p234 + p235 + p236 + p237 + p238 + p239 + p240 + p241 + p242 + p243 + p244 + p245 + p246 + p247 + p248 + p249 + p250 + p251 + p252 + p253 + p263 + p264 + p265 + p266 = 0
invariant :p572 + p573 + -1'p778 + -1'p779 + -1'p786 + -1'p787 + -1'p794 + -1'p795 + -1'p832 + -1'p833 = 0
invariant :p0 + p472 + p575 + p576 + p584 + p585 + p588 + p589 + p590 + p591 + p606 + p607 + p608 + p609 + p610 + p611 + p612 + p613 + p614 + p615 + p616 + p617 + p618 + p619 + p620 + p621 + p622 + p623 + p624 + p625 + p626 + p627 + p628 + p629 + p630 + p631 + p632 + p633 + p634 + p635 + p636 + p637 + p638 + p639 + p640 + p641 + p642 + p643 + p644 + p645 + p646 + p647 + p648 + p649 + p650 + p651 + p652 + p653 + p654 + p655 + p656 + p657 + p658 + p659 + p660 + p661 + p662 + p663 + p664 + p665 + p666 + p667 + p668 + p669 + p670 + p678 + p679 + p680 + p681 + p689 + p690 + p691 + p692 + p697 + p698 + p699 + p700 + p705 + p706 + p707 + p708 + p713 + p714 + p715 + p716 + p721 + p722 + p723 + p724 + p732 + p733 + p734 + p735 + p740 + p741 + p742 + p743 + p748 + p749 + p750 + p751 + p759 + p760 + p761 + p762 + p767 + p768 + p769 + p770 + p771 + p776 + p777 + p778 + p779 + p784 + p785 + p786 + p787 + p792 + p793 + p794 + p795 + p807 + p808 + p809 + p810 + p818 + p830 + p831 + p832 + p833 + p844 + p845 = 1
invariant :p752 + p753 + p754 + p755 + p756 + p757 + p758 + -1'p759 + -1'p760 + -1'p761 + -1'p762 = 0
invariant :-1'p584 + -1'p585 + p592 + p593 + p594 + p595 + p596 + p597 + p598 + p599 + p600 + p601 + p602 + p603 + p604 + p605 = 0
invariant :p415 + p416 + -1'p419 + -1'p420 + -1'p421 + -1'p422 + p456 + p457 = 0
invariant :p93 + p94 + p95 + p97 + p98 + p99 + p101 + p102 + p103 + p105 + p106 + p107 + p109 + p110 + p111 + p113 + p114 + p115 + p117 + p118 + p119 + p121 + p122 + p123 + -1'p480 + -1'p481 + -1'p483 + -1'p484 + -1'p486 + -1'p487 + -1'p489 + -1'p490 + -1'p492 + -1'p493 + -1'p495 + -1'p496 + -1'p498 + -1'p499 + -1'p501 + -1'p502 + -1'p507 + -1'p508 + -1'p510 + -1'p511 + -1'p513 + -1'p514 + -1'p516 + -1'p517 + -1'p519 + -1'p520 + -1'p522 + -1'p523 + -1'p525 + -1'p526 + -1'p528 + -1'p529 = 0
invariant :p334 + p339 + p340 + p341 + p342 + -1'p343 + -1'p344 + -1'p345 + -1'p346 = 0
invariant :p682 + p683 + p684 + p685 + p686 + p687 + p688 + -1'p689 + -1'p690 + -1'p691 + -1'p692 = 0
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p81 + p82 + p87 + p88 + p90 + p91 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p207 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226 + p227 + p228 + p229 + p230 + -1'p237 + -1'p238 + -1'p239 + -1'p240 + -1'p242 + -1'p243 + -1'p244 + -1'p246 + -1'p247 + -1'p248 + -1'p249 + -1'p251 + -1'p252 + -1'p253 + p292 + p293 + p294 + p295 + p296 + p306 + p307 + p308 + p309 + p329 + p330 + p331 + p332 + p333 + p343 + p344 + p345 + p346 + p363 + p364 + p365 + p366 + p367 + p377 + p378 + p379 + p380 + p381 + p388 + -1'p396 + -1'p397 + -1'p400 + p447 + p448 + -1'p465 + -1'p466 = 1
invariant :p763 + p764 + p765 + p766 + -1'p767 + -1'p768 + -1'p769 + -1'p770 = 0
invariant :p0 + p472 + p473 + p579 + p580 + p583 + p584 + p585 + p586 + p587 + p774 + p775 = 1
invariant :p800 + p804 + p805 + p806 + -1'p807 + -1'p808 + -1'p809 = 0
invariant :p58 + p59 + -1'p412 + -1'p413 + -1'p414 + -1'p419 + -1'p420 + -1'p421 + -1'p422 = 0
invariant :-1'p771 + -1'p776 + -1'p777 + -1'p778 + -1'p779 + p780 + p781 + p782 + p783 = 0
invariant :p701 + p702 + p703 + p704 + -1'p705 + -1'p706 + -1'p707 + -1'p708 = 0
invariant :p772 + p773 + p774 + p775 + -1'p776 + -1'p777 + -1'p778 + -1'p779 = 0
invariant :p347 + p348 + p349 + p350 + p351 + p352 + p353 + p354 + p355 + p356 + p357 + p358 + p359 + p360 + p361 + p362 + -1'p363 + -1'p364 + -1'p365 + -1'p366 + -1'p367 + -1'p377 + -1'p378 + -1'p379 + -1'p380 = 0
invariant :p417 + p418 + -1'p456 + -1'p457 = 0
invariant :p421 + p422 + -1'p425 + -1'p426 + -1'p429 + p433 + p434 + p439 + p440 + p532 + p538 + p540 + p541 + p544 + p547 + p550 + p553 + p556 + p559 + p562 + p565 + p568 + p569 + -1'p680 + -1'p681 + p684 + p685 + p686 + p687 + p688 + -1'p691 + -1'p692 + p695 + p696 + -1'p699 + -1'p700 + p703 + p704 + -1'p707 + -1'p708 + p711 + p712 + -1'p715 + -1'p716 + -1'p723 + -1'p724 + p727 + p728 + p729 + p730 + p731 + -1'p734 + -1'p735 + p738 + p739 + -1'p742 + -1'p743 + -1'p750 + -1'p751 + p754 + p755 + p756 + p757 + p758 + -1'p761 + -1'p762 + -1'p769 + -1'p770 = 0
invariant :p255 + p256 + p257 + p258 + -1'p259 + -1'p260 + -1'p261 + -1'p262 = 0
invariant :-1'p575 + -1'p576 + -1'p810 + -1'p818 + p826 + p827 + p828 + p829 = 0
invariant :-1'p784 + -1'p785 + -1'p786 + -1'p787 + p788 + p789 + p790 + p791 = 0
invariant :p0 + p1 + p2 + p47 + p48 + p51 + p52 + p53 + p54 + p55 + p57 + p60 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p412 + p413 + p414 + p419 + p420 + p421 + p422 = 1
invariant :p542 + p543 + -1'p684 + -1'p685 + -1'p686 + -1'p687 + -1'p688 + -1'p695 + -1'p696 + -1'p703 + -1'p704 + -1'p711 + -1'p712 + -1'p727 + -1'p728 + -1'p729 + -1'p730 + -1'p731 + -1'p738 + -1'p739 + -1'p754 + -1'p755 + -1'p756 + -1'p757 + -1'p758 = 0
invariant :p838 + p839 + p840 + p841 + -1'p844 + -1'p845 = 0
invariant :p9 + p10 + p11 + p13 + p14 + p15 + p17 + p18 + p19 + p21 + p22 + p23 + p25 + p26 + p27 + p29 + p30 + p31 + p33 + p34 + p35 + p37 + p38 + p39 + -1'p158 + -1'p159 + -1'p161 + -1'p162 + -1'p164 + -1'p165 + -1'p167 + -1'p168 + -1'p170 + -1'p171 + -1'p173 + -1'p174 + -1'p176 + -1'p177 + -1'p179 + -1'p180 = 0
invariant :p581 + p582 + -1'p774 + -1'p775 = 0
invariant :p382 + p383 + p384 + p385 + p386 + p387 + p389 + p390 + p391 + p392 + p393 + -1'p447 + -1'p448 = 0
invariant :p709 + p710 + p711 + p712 + -1'p713 + -1'p714 + -1'p715 + -1'p716 = 0
invariant :p401 + p402 + -1'p405 + -1'p406 + -1'p407 + -1'p408 + -1'p409 + p453 + p454 = 0
invariant :-1'p421 + -1'p422 + p425 + p426 + p427 + p428 + p429 = 0
invariant :p267 + p268 + p269 + p270 + p271 + p272 + p273 + p274 + p275 + p276 + p277 + p278 + p279 + p280 + p281 + p282 + p283 + p284 + p285 + p286 + p287 + p288 + p289 + p290 + p291 + -1'p292 + -1'p293 + -1'p294 + -1'p295 + -1'p296 + -1'p306 + -1'p307 + -1'p308 + -1'p309 = 0
invariant :-1'p228 + -1'p229 + -1'p289 + -1'p290 + -1'p326 + -1'p327 + -1'p360 + -1'p361 + p437 + p438 + p439 + p440 + p441 = 0
invariant :p254 + p259 + p260 + p261 + p262 + -1'p263 + -1'p264 + -1'p265 + -1'p266 = 0
invariant :p0 + p472 + p473 + p474 + p570 + p571 + p574 + p575 + p576 + p577 + p578 + p778 + p779 + p786 + p787 + p794 + p795 + p832 + p833 = 1
invariant :p0 + p1 + p2 + p6 + p7 + p47 + p48 + p51 + p57 + p60 + -1'p63 + -1'p64 + p67 + p70 + p412 + p413 + p414 + p419 + p420 + p421 + p422 = 1
invariant :-1'p830 + -1'p831 + -1'p832 + -1'p833 + p834 + p835 + p836 + p837 = 0
invariant :p310 + p311 + p312 + p313 + p314 + p315 + p316 + p317 + p318 + p319 + p320 + p321 + p322 + p323 + p324 + p325 + p326 + p327 + p328 + -1'p329 + -1'p330 + -1'p331 + -1'p332 + -1'p333 + -1'p343 + -1'p344 + -1'p345 + -1'p346 = 0
invariant :p535 + p536 + -1'p673 + -1'p674 + -1'p675 + -1'p676 + -1'p677 + -1'p719 + -1'p720 + -1'p746 + -1'p747 + -1'p765 + -1'p766 = 0
invariant :p398 + p399 + -1'p465 + -1'p466 = 0
invariant :p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + -1'p275 + -1'p276 + -1'p278 + -1'p279 + -1'p281 + -1'p282 + -1'p284 + -1'p285 + -1'p318 + -1'p319 + -1'p321 + -1'p322 + -1'p355 + -1'p356 = 0
invariant :p369 + p370 + p371 + p372 + -1'p373 + -1'p374 + -1'p375 + -1'p376 = 0
invariant :p0 + p472 + p473 + p474 + p475 + p476 + p477 + p504 + p594 + p595 + p597 + p598 + p600 + p601 + p603 + p604 + p782 + p783 + p790 + p791 + p798 + p799 + p828 + p829 + p836 + p837 = 1
invariant :p3 + p4 + p5 + p8 + p12 + p16 + p20 + p24 + p28 + p32 + p36 + p40 + p41 + -1'p47 + -1'p48 + -1'p51 + -1'p57 + -1'p60 + p63 + p64 + -1'p67 + -1'p70 + p158 + p159 + p161 + p162 + p164 + p165 + p167 + p168 + p170 + p171 + p173 + p174 + p176 + p177 + p179 + p180 + -1'p412 + -1'p413 + -1'p414 + -1'p419 + -1'p420 + -1'p421 + -1'p422 = 0
invariant :p0 + p1 + p77 + p78 + p79 + p80 + p81 + p82 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226 + p227 + p228 + p229 + p230 + p292 + p293 + p294 + p295 + p296 + p306 + p307 + p308 + p309 + p329 + p330 + p331 + p332 + p333 + p343 + p344 + p345 + p346 + p363 + p364 + p365 + p366 + p367 + p377 + p378 + p379 + p380 + p381 + p388 + p405 + p406 + p407 + p408 + p409 + p444 + p445 + p447 + p448 + p459 + p460 = 1
invariant :-1'p575 + -1'p576 + p811 + p812 + p813 + p814 + p815 + p816 + p817 + p819 + p820 + p821 + p822 + p823 + p824 + p825 = 0
invariant :p693 + p694 + p695 + p696 + -1'p697 + -1'p698 + -1'p699 + -1'p700 = 0
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
P-invariant computation with GreatSPN timed out. Skipping.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/RGMEDD2, /home/mcc/execution/gspn, -META, -varord-only], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock, --load-order, /home/mcc/execution/model.ord], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock --load-order /home/mcc/execution/model.ord
Read 16 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((G((G(G("(p812>=1)")))U("(p579>=1)"))))
Formula 0 simplified : !G(G"(p812>=1)" U "(p579>=1)")
Compilation finished in 18687 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 100 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](([]([]((LTLAP0==true))))U((LTLAP1==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14070 ms.
FORMULA ASLink-PT-01b-LTLFireability-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, (<>(X(X((LTLAP2==true)))))U((<>((LTLAP3==true)))U(X((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 575 ms.
FORMULA ASLink-PT-01b-LTLFireability-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((<>(X((LTLAP5==true))))U((LTLAP6==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1175 ms.
FORMULA ASLink-PT-01b-LTLFireability-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP7==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13925 ms.
FORMULA ASLink-PT-01b-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, <>((((LTLAP8==true))U((LTLAP9==true)))U((LTLAP10==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14075 ms.
FORMULA ASLink-PT-01b-LTLFireability-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, false, --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14192 ms.
FORMULA ASLink-PT-01b-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((LTLAP11==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 641 ms.
FORMULA ASLink-PT-01b-LTLFireability-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP12==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14202 ms.
FORMULA ASLink-PT-01b-LTLFireability-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X([]((LTLAP13==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 673 ms.
FORMULA ASLink-PT-01b-LTLFireability-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, false, --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14034 ms.
FORMULA ASLink-PT-01b-LTLFireability-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []([]((LTLAP14==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13953 ms.
FORMULA ASLink-PT-01b-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X(X((<>((LTLAP15==true)))U(<>((LTLAP16==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 678 ms.
FORMULA ASLink-PT-01b-LTLFireability-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((<>((LTLAP17==true)))U((LTLAP18==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 590 ms.
FORMULA ASLink-PT-01b-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []([](<>((LTLAP19==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14013 ms.
FORMULA ASLink-PT-01b-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](<>(<>(<>((LTLAP20==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14070 ms.
FORMULA ASLink-PT-01b-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](X(<>((LTLAP21==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 364 ms.
FORMULA ASLink-PT-01b-LTLFireability-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
BK_STOP 1553561033064
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 26, 2019 12:41:00 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt]
Mar 26, 2019 12:41:00 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 26, 2019 12:41:00 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 188 ms
Mar 26, 2019 12:41:00 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 846 places.
Mar 26, 2019 12:41:01 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 1148 transitions.
Mar 26, 2019 12:41:01 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Found NUPN structural information;
Mar 26, 2019 12:41:01 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 43 ms
Mar 26, 2019 12:41:01 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 368 ms
Mar 26, 2019 12:41:01 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 253 ms
Mar 26, 2019 12:41:02 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 1148 transitions.
Mar 26, 2019 12:41:02 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 1148 transitions.
Mar 26, 2019 12:41:02 AM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 846 places.
Mar 26, 2019 12:41:02 AM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 1148 transitions.
Mar 26, 2019 12:41:03 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 82 place invariants in 547 ms
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 846 variables to be positive in 2305 ms
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 1148 transitions.
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/1148 took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 102 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 1148 transitions.
Mar 26, 2019 12:41:05 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 70 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 12:41:06 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 1148 transitions.
SMT solver raised 'unknown', retrying with same input.
SMT solver raised 'unknown' twice, overapproximating result to 1.
Mar 26, 2019 12:41:07 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 1213 ms. Total solver calls (SAT/UNSAT): 88(31/57)
Mar 26, 2019 12:41:07 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 1148 transitions.
Mar 26, 2019 12:41:21 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 13881 ms. Total solver calls (SAT/UNSAT): 6161(0/6161)
Mar 26, 2019 12:41:21 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 20076ms conformant to PINS in folder :/home/mcc/execution
Mar 26, 2019 12:41:32 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 12 ms
Mar 26, 2019 12:41:32 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 1 ms
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="ASLink-PT-01b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstoolsm"
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
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3817"
echo " Executing tool itstoolsm"
echo " Input is ASLink-PT-01b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r188-smll-155225013900025"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-01b.tgz
mv ASLink-PT-01b execution
cd execution
if [ "LTLFireability" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLFireability" = "UpperBounds" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 ;