Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r126-tall-174876436400287.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is JoinFreeModules-PT-0500, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r126-tall-174876436400287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748786833319

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0500
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 14:07:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-01 14:07:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 14:07:14] [INFO ] Load time of PNML (sax parser for PT used): 205 ms
[2025-06-01 14:07:14] [INFO ] Transformed 2501 places.
[2025-06-01 14:07:14] [INFO ] Transformed 4001 transitions.
[2025-06-01 14:07:14] [INFO ] Parsed PT model containing 2501 places and 4001 transitions and 11502 arcs in 329 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2501/2501 places, 4001/4001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2500 transition count 4001
Applied a total of 1 rules in 95 ms. Remains 2500 /2501 variables (removed 1) and now considering 4001/4001 (removed 0) transitions.
Running 3000 sub problems to find dead transitions.
// Phase 1: matrix 4001 rows 2500 cols
[2025-06-01 14:07:15] [INFO ] Computed 500 invariants in 46 ms
[2025-06-01 14:07:15] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
(s1 2.0)
(s3 4.0)
(s4 5.0)
(s5 5.0)
(s6 2.0)
(s8 4.0)
(s9 5.0)
(s10 5.0)
(s11 2.0)
(s13 4.0)
(s14 5.0)
(s15 5.0)
(s16 2.0)
(s18 4.0)
(s19 5.0)
(s20 5.0)
(s21 2.0)
(s23 4.0)
(s24 5.0)
(s25 5.0)
(s26 2.0)
(s28 4.0)
(s29 5.0)
(s30 5.0)
(s31 2.0)
(s33 4.0)
(s34 5.0)
(s35 5.0)
(s36 2.0)
(s38 4.0)
(s39 5.0)
(s40 5.0)
(s41 2.0)
(s43 4.0)
(s44 5.0)
(s45 5.0)
(s46 2.0)
(s48 4.0)
(s49 5.0)
(s50 5.0)
(s51 2.0)
(s53 4.0)
(s54 5.0)
(s55 5.0)
(s56 2.0)
(s58 4.0)
(s59 5.0)
(s60 5.0)
(s61 2.0)
(s63 4.0)
(s64 5.0)
(s65 5.0)
(s66 2.0)
(s68 4.0)
(s69 5.0)
(s70 5.0)
(s71 2.0)
(s73 4.0)
(s74 5.0)
(s75 5.0)
(s76 2.0)
(s78 4.0)
(s79 5.0)
(s80 5.0)
(s81 2.0)
(s83 4.0)
(s84 5.0)
(s85 5.0)
(s86 2.0)
(s88 4.0)
(s89 5.0)
(s90 5.0)
(s91 2.0)
(s93 4.0)
(s94 5.0)
(s95 5.0)
(s96 2.0)
(s98 4.0)
(s99 5.0)
(s100 5.0)
(s101 2.0)
(s103 4.0)
(s104 5.0)
(s105 5.0)
(s106 2.0)
(s108 4.0)
(s109 5.0)
(s110 5.0)
(s111 2.0)
(s113 4.0)
(s114 5.0)
(s115 5.0)
(s116 2.0)
(s118 4.0)
(s119 5.0)
(s120 5.0)
(s121 2.0)
(s123 4.0)
(s124 5.0)
(s125 5.0)
(s126 2.0)
(s128 4.0)
(s129 5.0)
(s130 5.0)
(s131 2.0)
(s133 4.0)
(s134 5.0)
(s135 5.0)
(s136 2.0)
(s138 4.0)
(s139 5.0)
(s140 5.0)
(s141 2.0)
(s143 4.0)
(s144 5.0)
(s145 5.0)
(s146 2.0)
(s148 4.0)
(s149 5.0)
(s150 5.0)
(s151 2.0)
(s153 4.0)
(s154 5.0)
(s155 5.0)
(s156 2.0)
(s158 4.0)
(s159 5.0)
(s160 5.0)
(s161 2.0)
(s163 4.0)
(s164 5.0)
(s165 5.0)
(s166 2.0)
(s168 4.0)
(s169 5.0)
(s170 5.0)
(s171 2.0)
(s173 4.0)
(s174 5.0)
(s175 5.0)
(s176 2.0)
(s178 4.0)
(s179 5.0)
(s180 5.0)
(s181 2.0)
(s183 4.0)
(s184 5.0)
(s185 5.0)
(s186 2.0)
(s188 4.0)
(s189 5.0)
(s190 5.0)
(s191 2.0)
(s193 4.0)
(s194 5.0)
(s195 5.0)
(s196 2.0)
(s198 4.0)
(s199 5.0)
(s200 5.0)
(s201 2.0)
(s203 4.0)
(s204 5.0)
(s205 5.0)
(s206 2.0)
(s208 4.0)
(s209 5.0)
(s210 5.0)
(s211 2.0)
(s213 4.0)
(s214 5.0)
(s215 5.0)
(s216 2.0)
(s218 4.0)
(s219 5.0)
(s220 5.0)
(s221 2.0)
(s223 4.0)
(s224 5.0)
(s225 5.0)
(s226 2.0)
(s228 4.0)
(s229 5.0)
(s230 5.0)
(s231 2.0)
(s233 4.0)
(s234 5.0)
(s235 5.0)
(s236 2.0)
(s238 4.0)
(s239 5.0)
(s240 5.0)
(s241 2.0)
(s243 4.0)
(s244 5.0)
(s245 5.0)
(s246 2.0)
(s248 4.0)
(s249 5.0)
(s250 5.0)
(s251 2.0)
(s253 4.0)
(s254 5.0)
(s255 5.0)
(s256 2.0)
(s258 4.0)
(s259 5.0)
(s260 5.0)
(s261 2.0)
(s263 4.0)
(s264 5.0)
(s265 5.0)
(s266 2.0)
(s268 4.0)
(s269 5.0)
(s270 5.0)
(s271 2.0)
(s273 4.0)
(s274 5.0)
(s275 5.0)
(s276 2.0)
(s278 4.0)
(s279 5.0)
(s280 5.0)
(s281 2.0)
(s283 4.0)
(s284 5.0)
(s285 5.0)
(s286 2.0)
(s288 4.0)
(s289 5.0)
(s290 5.0)
(s291 2.0)
(s293 4.0)
(s294 5.0)
(s295 5.0)
(s296 2.0)
(s298 4.0)
(s299 5.0)
(s300 5.0)
(s301 2.0)
(s303 4.0)
(s304 5.0)
(s305 5.0)
(s306 2.0)
(s308 4.0)
(s309 5.0)
(s310 5.0)
(s311 2.0)
(s313 4.0)
(s314 5.0)
(s315 5.0)
(s316 2.0)
(s318 4.0)
(s319 5.0)
(s320 5.0)
(s321 2.0)
(s323 4.0)
(s324 5.0)
(s325 5.0)
(s326 2.0)
(s328 4.0)
(s329 5.0)
(s330 5.0)
(s331 2.0)
(s333 4.0)
(s334 5.0)
(s335 5.0)
(s336 2.0)
(s338 4.0)
(s339 5.0)
(s340 5.0)
(s341 2.0)
(s343 4.0)
(s344 5.0)
(s345 5.0)
(s346 2.0)
(s348 4.0)
(s349 5.0)
(s350 5.0)
(s351 2.0)
(s353 4.0)
(s354 5.0)
(s355 5.0)
(s356 2.0)
(s358 4.0)
(s359 5.0)
(s360 5.0)
(s361 2.0)
(s363 4.0)
(s364 5.0)
(s365 5.0)
(s366 2.0)
(s368 4.0)
(s369 5.0)
(s370 5.0)
(s371 2.0)
(s373 4.0)
(s374 5.0)
(s375 5.0)
(s376 2.0)
(s378 4.0)
(s379 5.0)
(s380 5.0)
(s381 2.0)
(s383 4.0)
(s384 5.0)
(s385 5.0)
(s386 2.0)
(s388 4.0)
(s389 5.0)
(s390 5.0)
(s391 2.0)
(s393 4.0)
(s394 5.0)
(s395 5.0)
(s396 2.0)
(s398 4.0)
(s399 5.0)
(s400 5.0)
(s401 2.0)
(s403 4.0)
(s404 5.0)
(s405 5.0)
(s406 2.0)
(s408 4.0)
(s409 5.0)
(s410 5.0)
(s411 2.0)
(s413 4.0)
(s414 5.0)
(s415 5.0)
(s416 2.0)
(s418 4.0)
(s419 5.0)
(s420 5.0)
(s421 2.0)
(s423 4.0)
(s424 5.0)
(s425 5.0)
(s426 2.0)
(s428 4.0)
(s429 5.0)
(s430 5.0)
(s431 2.0)
(s433 4.0)
(s434 5.0)
(s435 5.0)
(s436 2.0)
(s438 4.0)
(s439 5.0)
(s440 5.0)
(s441 2.0)
(s443 4.0)
(s444 5.0)
(s445 5.0)
(s446 2.0)
(s448 4.0)
(s449 5.0)
(s450 5.0)
(s451 2.0)
(s453 4.0)
(s454 5.0)
(s455 5.0)
(s456 2.0)
(s458 4.0)
(s459 5.0)
(s460 5.0)
(s461 2.0)
(s463 4.0)
(s464 5.0)
(s465 5.0)
(s466 2.0)
(s468 4.0)
(s469 5.0)
(s470 5.0)
(s471 2.0)
(s473 4.0)
(s474 5.0)
(s475 5.0)
(s476 2.0)
(s478 4.0)
(s479 5.0)
(s480 5.0)
(s481 2.0)
(s483 4.0)
(s484 5.0)
(s485 5.0)
(s486 2.0)
(s488 4.0)
(s489 5.0)
(s490 5.0)
(s491 2.0)
(s493 4.0)
(s494 5.0)
(s495 5.0)
(s496 2.0)
(s498 4.0)
(s499 5.0)
(s500 5.0)
(s501 2.0)
(s503 4.0)
(s504 5.0)
(s505 5.0)
(s506 2.0)
(s508 4.0)
(s509 5.0)
(s510 5.0)
(s511 2.0)
(s513 4.0)
(s514 5.0)
(s515 5.0)
(s516 2.0)
(s518 4.0)
(s519 5.0)
(s520 5.0)
(s521 2.0)
(s523 4.0)
(s524 5.0)
(s525 5.0)
(s526 2.0)
(s528 4.0)
(s529 5.0)
(s530 5.0)
(s531 2.0)
(s533 4.0)
(s534 5.0)
(s535 5.0)
(s536 2.0)
(s538 4.0)
(s539 5.0)
(s540 5.0)
(s541 2.0)
(s543 4.0)
(s544 5.0)
(s545 5.0)
(s546 2.0)
(s548 4.0)
(s549 5.0)
(s550 5.0)
(s551 2.0)
(s553 4.0)
(s554 5.0)
(s555 5.0)
(s556 2.0)
(s558 4.0)
(s559 5.0)
(s560 5.0)
(s561 2.0)
(s563 4.0)
(s564 5.0)
(s565 5.0)
(s566 2.0)
(s568 4.0)
(s569 5.0)
(s570 5.0)
(s571 2.0)
(s573 4.0)
(s574 5.0)
(s575 5.0)
(s576 2.0)
(s578 4.0)
(s579 5.0)
(s580 5.0)
(s581 2.0)
(s583 4.0)
(s584 5.0)
(s585 5.0)
(s586 2.0)
(s588 4.0)
(s589 5.0)
(s590 5.0)
(s591 2.0)
(s593 4.0)
(s594 5.0)
(s595 5.0)
(s596 2.0)
(s598 4.0)
(s599 5.0)
(s600 5.0)
(s601 2.0)
(s603 4.0)
(s604 5.0)
(s605 5.0)
(s606 2.0)
(s608 4.0)
(s609 5.0)
(s610 5.0)
(s611 2.0)
(s613 4.0)
(s614 5.0)
(s615 5.0)
(s616 2.0)
(s618 4.0)
(s619 5.0)
(s620 5.0)
(s621 2.0)
(s623 4.0)
(s624 5.0)
(s625 5.0)
(s626 2.0)
(s628 4.0)
(s629 5.0)
(s630 5.0)
(s631 2.0)
(s633 4.0)
(s634 5.0)
(s635 5.0)
(s636 2.0)
(s638 4.0)
(s639 5.0)
(s640 5.0)
(s641 2.0)
(s643 4.0)
(s644 5.0)
(s645 5.0)
(s646 2.0)
(s648 4.0)
(s649 5.0)
(s650 5.0)
(s651 2.0)
(s653 4.0)
(s654 5.0)
(s655 5.0)
(s656 2.0)
(s658 4.0)
(s659 5.0)
(s660 5.0)
(s661 2.0)
(s663 4.0)
(s664 5.0)
(s665 5.0)
(s666 2.0)
(s668 4.0)
(s669 5.0)
(s670 5.0)
(s671 2.0)
(s673 4.0)
(s674 5.0)
(s675 5.0)
(s676 2.0)
(s678 4.0)
(s679 5.0)
(s680 5.0)
(s681 2.0)
(s683 4.0)
(s684 5.0)
(s685 5.0)
(s686 2.0)
(s688 4.0)
(s689 5.0)
(s690 5.0)
(s691 2.0)
(s693 4.0)
(s694 5.0)
(s695 5.0)
(s696 2.0)
(s698 4.0)
(s699 5.0)
(s700 5.0)
(s701 2.0)
(s703 4.0)
(s704 5.0)
(s705 5.0)
(s706 2.0)
(s708 4.0)
(s709 5.0)
(s710 5.0)
(s711 2.0)
(s713 4.0)
(s714 5.0)
(s715 5.0)
(s716 2.0)
(s718 4.0)
(s719 5.0)
(s720 5.0)
(s721 2.0)
(s723 4.0)
(s724 5.0)
(s725 5.0)
(s726 2.0)
(s728 4.0)
(s729 5.0)
(s730 5.0)
(s731 2.0)
(s733 4.0)
(s734 5.0)
(s735 5.0)
(s736 2.0)
(s738 4.0)
(s739 5.0)
(s740 5.0)
(s741 2.0)
(s743 4.0)
(s744 5.0)
(s745 5.0)
(s746 2.0)
(s748 4.0)
(s749 5.0)
(s750 5.0)
(s751 2.0)
(s753 4.0)
(s754 5.0)
(s755 5.0)
(s756 2.0)
(s758 4.0)
(s759 5.0)
(s760 5.0)
(s761 2.0)
(s763 4.0)
(s764 5.0)
(s765 5.0)
(s766 2.0)
(s768 4.0)
(s769 5.0)
(s770 5.0)
(s771 2.0)
(s773 4.0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20122 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 5)
(s1 2)
(s3 4)
(s4 5)
(s5 5)
(s6 2)
(s8 4)
(s9 5)
(s10 5)
(s11 2)
(s13 4)
(s14 5)
(s15 5)
(s16 2)
(s18 4)
(s19 5)
(s20 5)
(s21 2)
(s23 4)
(s24 5)
(s25 5)
(s26 2)
(s28 4)
(s29 5)
(s30 5)
(s31 2)
(s33 4)
(s34 5)
(s35 5)
(s36 2)
(s38 4)
(s39 5)
(s40 5)
(s41 2)
(s43 4)
(s44 5)
(s45 5)
(s46 2)
(s48 4)
(s49 5)
(s50 5)
(s51 2)
(s53 4)
(s54 5)
(s55 5)
(s56 2)
(s58 4)
(s59 5)
(s60 5)
(s61 2)
(s63 4)
(s64 5)
(s65 5)
(s66 2)
(s68 4)
(s69 5)
(s70 5)
(s71 2)
(s73 4)
(s74 5)
(s75 5)
(s76 2)
(s78 4)
(s79 5)
(s80 5)
(s81 2)
(s83 4)
(s84 5)
(s85 5)
(s86 2)
(s88 4)
(s89 5)
(s90 5)
(s91 2)
(s93 4)
(s94 5)
(s95 5)
(s96 2)
(s98 4)
(s99 5)
(s100 5)
(s101 2)
(s103 4)
(s104 5)
(s105 5)
(s106 2)
(s108 4)
(s109 5)
(s110 5)
(s111 2)
(s113 4)
(s114 5)
(s115 5)
(s116 2)
(s118 4)
(s119 5)
(s120 5)
(s121 2)
(s123 4)
(s124 5)
(s125 5)
(s126 2)
(s128 4)
(s129 5)
(s130 5)
(s131 2)
(s133 4)
(s134 5)
(s135 5)
(s136 2)
(s138 4)
(s139 5)
(s140 5)
(s141 2)
(s143 4)
(s144 5)
(s145 5)
(s146 2)
(s148 4)
(s149 5)
(s150 5)
(s151 2)
(s153 4)
(s154 5)
(s155 5)
(s156 2)
(s158 4)
(s159 5)
(s160 5)
(s161 2)
(s163 4)
(s164 5)
(s165 5)
(s166 2)
(s168 4)
(s169 5)
(s170 5)
(s171 2)
(s173 4)
(s174 5)
(s175 5)
(s176 2)
(s178 4)
(s179 5)
(s180 5)
(s181 2)
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(s1945 timeout
5 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 41615ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 41679ms
[2025-06-01 14:07:56] [INFO ] Invariant cache hit.
[2025-06-01 14:07:57] [INFO ] Implicit Places using invariants in 423 ms returned []
[2025-06-01 14:07:57] [INFO ] Invariant cache hit.
[2025-06-01 14:07:58] [INFO ] State equation strengthened by 500 read => feed constraints.
[2025-06-01 14:07:58] [INFO ] Implicit Places using invariants and state equation in 1544 ms returned []
Implicit Place search using SMT with State Equation took 1972 ms to find 0 implicit places.
Running 3000 sub problems to find dead transitions.
[2025-06-01 14:07:58] [INFO ] Invariant cache hit.
[2025-06-01 14:07:58] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 61583ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 61610ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2501 places, 4001/4001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 105425 ms. Remains : 2500/2501 places, 4001/4001 transitions.
Discarding 2000 transitions out of 4001. Remains 2001
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40575 steps (8 resets) in 1273 ms. (31 steps per ms) remains 1855/2000 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1855/1855 properties
Probabilistic random walk after 21069 steps, saw 21039 distinct states, run finished after 3043 ms. (steps per millisecond=6 ) properties seen :447
[2025-06-01 14:09:04] [INFO ] Invariant cache hit.
[2025-06-01 14:09:04] [INFO ] State equation strengthened by 500 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1408/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1408 unsolved in 5028 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 1408/1408 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1408/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1408 unsolved in 5023 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/1408 constraints, Known Traps: 0/0 constraints]
After SMT, in 10724ms problems are : Problem set: 0 solved, 1408 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1408 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 4001/4001 transitions.
Graph (complete) has 6000 edges and 2500 vertex of which 2490 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.9 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2490 transition count 3984
Applied a total of 2 rules in 171 ms. Remains 2490 /2500 variables (removed 10) and now considering 3984/4001 (removed 17) transitions.
Running 2988 sub problems to find dead transitions.
// Phase 1: matrix 3984 rows 2490 cols
[2025-06-01 14:09:15] [INFO ] Computed 498 invariants in 17 ms
[2025-06-01 14:09:15] [INFO ] State equation strengthened by 498 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1992/6474 variables, and 0 constraints, problems are : Problem set: 0 solved, 2988 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/498 constraints, State Equation: 0/2490 constraints, ReadFeed: 0/498 constraints, PredecessorRefiner: 2988/2988 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2988 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1992/6474 variables, and 0 constraints, problems are : Problem set: 0 solved, 2988 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/498 constraints, State Equation: 0/2490 constraints, ReadFeed: 0/498 constraints, PredecessorRefiner: 0/2988 constraints, Known Traps: 0/0 constraints]
After SMT, in 41264ms problems are : Problem set: 0 solved, 2988 unsolved
Search for dead transitions found 0 dead transitions in 41293ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41469 ms. Remains : 2490/2500 places, 3984/4001 transitions.
RANDOM walk for 4000473 steps (8 resets) in 94034 ms. (42 steps per ms) remains 0/1408 properties
Able to resolve query QuasiLiveness after proving 2001 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 185517 ms.
ITS solved all properties within timeout

BK_STOP 1748787020169

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="JoinFreeModules-PT-0500"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 2-5832"
echo " Executing tool gold2024"
echo " Input is JoinFreeModules-PT-0500, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r126-tall-174876436400287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0500.tgz
mv JoinFreeModules-PT-0500 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; 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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;