Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r189-tajo-162089432500079.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is RERS17pb113-PT-5, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tajo-162089432500079
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 15K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 144K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 21K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 104K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.0K Mar 28 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 28 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 28 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 27 10:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 10:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.9K Mar 25 13:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 25 13:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 2 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 15M May 5 16:51 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 RERS17pb113-PT-5-ReachabilityCardinality-00
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-01
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-02
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-03
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-04
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-05
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-06
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-07
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-08
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-09
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-10
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-11
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-12
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-13
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-14
FORMULA_NAME RERS17pb113-PT-5-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1621412672957

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-19 08:24:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-19 08:24:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-19 08:24:34] [INFO ] Load time of PNML (sax parser for PT used): 490 ms
[2021-05-19 08:24:34] [INFO ] Transformed 639 places.
[2021-05-19 08:24:35] [INFO ] Transformed 31353 transitions.
[2021-05-19 08:24:35] [INFO ] Parsed PT model containing 639 places and 31353 transitions in 646 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 246 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 304 ms. (steps per millisecond=32 ) properties seen :[1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1]
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=370 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 0, 0, 0, 0]
[2021-05-19 08:24:35] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2021-05-19 08:24:35] [INFO ] Computed 25 place invariants in 80 ms
[2021-05-19 08:24:36] [INFO ] [Real]Absence check using 13 positive place invariants in 30 ms returned sat
[2021-05-19 08:24:36] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2021-05-19 08:24:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:40] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:40] [INFO ] [Real]Absence check using state equation in 4833 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:41] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2021-05-19 08:24:41] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2021-05-19 08:24:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:45] [INFO ] [Real]Absence check using state equation in 4916 ms returned (error "Solver has unexpectedly terminated")
[2021-05-19 08:24:46] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2021-05-19 08:24:46] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 9 ms returned sat
[2021-05-19 08:24:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:51] [INFO ] [Real]Absence check using state equation in 4917 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:51] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2021-05-19 08:24:51] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2021-05-19 08:24:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:24:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:24:56] [INFO ] [Real]Absence check using state equation in 4892 ms returned (error "Failed to check-sat")
[2021-05-19 08:24:56] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2021-05-19 08:24:56] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2021-05-19 08:24:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:25:01] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:25:01] [INFO ] [Real]Absence check using state equation in 4924 ms returned (error "Failed to check-sat")
Support contains 25 out of 639 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 11 places
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 628 transition count 31353
Applied a total of 11 rules in 500 ms. Remains 628 /639 variables (removed 11) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 628/639 places, 31353/31353 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 24847 ms. (steps per millisecond=40 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 1970 ms. (steps per millisecond=507 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 2404 ms. (steps per millisecond=415 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 2958 ms. (steps per millisecond=338 ) properties seen :[0, 0, 1, 0, 0]
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 1672 ms. (steps per millisecond=598 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 1542 ms. (steps per millisecond=648 ) properties seen :[0, 0, 0, 1]
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2021-05-19 08:25:37] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 628 cols
[2021-05-19 08:25:37] [INFO ] Computed 14 place invariants in 113 ms
[2021-05-19 08:25:37] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2021-05-19 08:25:37] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 17 ms returned sat
[2021-05-19 08:25:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:26:05] [INFO ] [Real]Absence check using state equation in 28611 ms returned sat
[2021-05-19 08:26:06] [INFO ] State equation strengthened by 829 read => feed constraints.
[2021-05-19 08:26:11] [INFO ] [Real]Added 829 Read/Feed constraints in 4460 ms returned sat
[2021-05-19 08:26:16] [INFO ] Computed and/alt/rep : 31352/3747154/18325 causal constraints in 4905 ms.
[2021-05-19 08:26:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:26:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 18 ms returned sat
[2021-05-19 08:26:19] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 24 ms returned sat
[2021-05-19 08:26:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:26:48] [INFO ] [Nat]Absence check using state equation in 29168 ms returned sat
[2021-05-19 08:26:53] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:26:56] [INFO ] [Nat]Added 829 Read/Feed constraints in 7724 ms returned sat
[2021-05-19 08:26:59] [INFO ] Deduced a trap composed of 49 places in 2976 ms
[2021-05-19 08:27:02] [INFO ] Deduced a trap composed of 25 places in 2531 ms
[2021-05-19 08:27:05] [INFO ] Deduced a trap composed of 65 places in 2768 ms
[2021-05-19 08:27:05] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s2 s14 s31 s38 s44 s48 s69 s75 s82 s84 s128 s145 s146 s158 s169 s181 s183 s188 s199 s200 s211 s219 s224 s228 s240 s246 s248 s257 s272 s300 s308 s330 s337 s356 s360 s361 s381 s382 s403 s416 s422 s424 s451 s458 s463 s474 s476 s477 s483 s491 s501 s506 s519 s531 s532 s533 s538 s540 s561 s567 s586 s600 s607 s610) 0)") while checking expression at index 0
[2021-05-19 08:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2021-05-19 08:27:05] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 14 ms returned sat
[2021-05-19 08:27:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:27:36] [INFO ] [Real]Absence check using state equation in 30918 ms returned sat
[2021-05-19 08:27:42] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:27:42] [INFO ] [Real]Added 829 Read/Feed constraints in 5298 ms returned sat
[2021-05-19 08:27:46] [INFO ] Computed and/alt/rep : 31352/3747154/18325 causal constraints in 3984 ms.
[2021-05-19 08:27:50] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:27:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 13 ms returned sat
[2021-05-19 08:27:50] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 25 ms returned sat
[2021-05-19 08:27:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:28:18] [INFO ] [Nat]Absence check using state equation in 28509 ms returned sat
[2021-05-19 08:28:23] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:28:25] [INFO ] [Nat]Added 829 Read/Feed constraints in 7051 ms returned sat
[2021-05-19 08:28:28] [INFO ] Deduced a trap composed of 25 places in 2696 ms
[2021-05-19 08:28:31] [INFO ] Deduced a trap composed of 49 places in 2605 ms
[2021-05-19 08:28:34] [INFO ] Deduced a trap composed of 49 places in 2396 ms
[2021-05-19 08:28:38] [INFO ] Deduced a trap composed of 17 places in 2819 ms
[2021-05-19 08:28:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s12 s27 s88 s95 s190 s191 s222 s334 s364 s380 s391 s488 s491 s524 s529 s530 s618) 0)") while checking expression at index 1
[2021-05-19 08:28:38] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2021-05-19 08:28:38] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 31 ms returned sat
[2021-05-19 08:28:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:29:00] [INFO ] [Real]Absence check using state equation in 22365 ms returned sat
[2021-05-19 08:29:05] [INFO ] [Real]Added 829 Read/Feed constraints in 4565 ms returned sat
[2021-05-19 08:29:09] [INFO ] Computed and/alt/rep : 31352/3747154/18325 causal constraints in 3637 ms.
[2021-05-19 08:29:13] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:29:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 14 ms returned sat
[2021-05-19 08:29:13] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 18 ms returned sat
[2021-05-19 08:29:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:29:43] [INFO ] [Nat]Absence check using state equation in 29947 ms returned sat
[2021-05-19 08:29:48] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:29:49] [INFO ] [Nat]Added 829 Read/Feed constraints in 6474 ms returned sat
[2021-05-19 08:29:52] [INFO ] Deduced a trap composed of 65 places in 2591 ms
[2021-05-19 08:29:55] [INFO ] Deduced a trap composed of 41 places in 2621 ms
[2021-05-19 08:29:58] [INFO ] Deduced a trap composed of 41 places in 2899 ms
[2021-05-19 08:29:58] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s12 s17 s20 s27 s78 s83 s89 s113 s121 s151 s182 s190 s191 s207 s221 s250 s252 s268 s309 s334 s343 s365 s380 s396 s405 s411 s417 s434 s437 s449 s459 s488 s491 s530 s543 s545 s549 s553 s602 s614 s619) 0)") while checking expression at index 2
Support contains 18 out of 628 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 628/628 places, 31353/31353 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 627 transition count 31353
Applied a total of 1 rules in 352 ms. Remains 627 /628 variables (removed 1) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 627/628 places, 31353/31353 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 24207 ms. (steps per millisecond=41 ) properties seen :[0, 1, 0]
FORMULA RERS17pb113-PT-5-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 2058 ms. (steps per millisecond=485 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 1868 ms. (steps per millisecond=535 ) properties seen :[0, 0]
[2021-05-19 08:30:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:30:27] [INFO ] Computed 13 place invariants in 99 ms
[2021-05-19 08:30:27] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2021-05-19 08:30:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:31:02] [INFO ] [Real]Absence check using state equation in 34559 ms returned sat
[2021-05-19 08:31:02] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:31:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 32 ms returned sat
[2021-05-19 08:31:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:31:36] [INFO ] [Nat]Absence check using state equation in 34126 ms returned sat
[2021-05-19 08:31:37] [INFO ] State equation strengthened by 829 read => feed constraints.
[2021-05-19 08:31:42] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:31:43] [INFO ] [Nat]Added 829 Read/Feed constraints in 6775 ms returned sat
[2021-05-19 08:31:46] [INFO ] Deduced a trap composed of 25 places in 2448 ms
[2021-05-19 08:31:49] [INFO ] Deduced a trap composed of 41 places in 2726 ms
[2021-05-19 08:31:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s12 s17 s20 s27 s78 s83 s89 s113 s121 s124 s151 s182 s190 s191 s207 s221 s250 s252 s268 s309 s334 s343 s365 s380 s396 s405 s411 s417 s434 s437 s449 s459 s488 s529 s542 s544 s548 s552 s601 s613 s618) 0)") while checking expression at index 0
[2021-05-19 08:31:49] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2021-05-19 08:31:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:32:16] [INFO ] [Real]Absence check using state equation in 27037 ms returned sat
[2021-05-19 08:32:22] [INFO ] [Real]Added 829 Read/Feed constraints in 4935 ms returned sat
[2021-05-19 08:32:23] [INFO ] Deduced a trap composed of 41 places in 1012 ms
[2021-05-19 08:32:24] [INFO ] Deduced a trap composed of 49 places in 662 ms
[2021-05-19 08:32:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2981 ms
[2021-05-19 08:32:25] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:32:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 30 ms returned sat
[2021-05-19 08:32:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:32:51] [INFO ] [Nat]Absence check using state equation in 25609 ms returned sat
[2021-05-19 08:32:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:32:57] [INFO ] [Nat]Added 829 Read/Feed constraints in 6328 ms returned sat
[2021-05-19 08:33:00] [INFO ] Deduced a trap composed of 65 places in 2695 ms
[2021-05-19 08:33:03] [INFO ] Deduced a trap composed of 41 places in 2417 ms
[2021-05-19 08:33:06] [INFO ] Deduced a trap composed of 41 places in 2365 ms
[2021-05-19 08:33:09] [INFO ] Deduced a trap composed of 65 places in 2507 ms
[2021-05-19 08:33:12] [INFO ] Deduced a trap composed of 41 places in 2315 ms
[2021-05-19 08:33:12] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s14 s38 s88 s124 s128 s148 s169 s184 s190 s191 s200 s215 s219 s228 s240 s251 s261 s272 s308 s315 s321 s361 s364 s366 s380 s391 s400 s455 s476 s483 s488 s509 s528 s530 s532 s533 s534 s537 s554 s577 s611) 0)") while checking expression at index 1
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 154 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 627/627 places, 31353/31353 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 23239 ms. (steps per millisecond=43 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 1599 ms. (steps per millisecond=625 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000000 steps, including 0 resets, run finished after 1332 ms. (steps per millisecond=750 ) properties seen :[0, 0]
Interrupted probabilistic random walk after 362932 steps, run timeout after 30001 ms. (steps per millisecond=12 ) properties seen :[0, 0]
Probabilistic random walk after 362932 steps, saw 32057 distinct states, run finished after 30001 ms. (steps per millisecond=12 ) properties seen :[0, 0]
[2021-05-19 08:34:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:34:08] [INFO ] Computed 13 place invariants in 36 ms
[2021-05-19 08:34:08] [INFO ] [Real]Absence check using 13 positive place invariants in 26 ms returned sat
[2021-05-19 08:34:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:34:40] [INFO ] [Real]Absence check using state equation in 31776 ms returned sat
[2021-05-19 08:34:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:34:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 28 ms returned sat
[2021-05-19 08:34:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:35:12] [INFO ] [Nat]Absence check using state equation in 31573 ms returned sat
[2021-05-19 08:35:12] [INFO ] State equation strengthened by 829 read => feed constraints.
[2021-05-19 08:35:17] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:35:18] [INFO ] [Nat]Added 829 Read/Feed constraints in 5970 ms returned sat
[2021-05-19 08:35:21] [INFO ] Deduced a trap composed of 25 places in 2609 ms
[2021-05-19 08:35:24] [INFO ] Deduced a trap composed of 49 places in 2408 ms
[2021-05-19 08:35:26] [INFO ] Deduced a trap composed of 49 places in 2515 ms
[2021-05-19 08:35:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s2 s4 s10 s24 s31 s36 s43 s72 s74 s93 s109 s112 s114 s124 s131 s144 s157 s159 s201 s211 s242 s287 s293 s300 s331 s353 s360 s369 s372 s382 s397 s416 s439 s463 s472 s474 s499 s500 s502 s505 s518 s521 s531 s560 s585 s593 s603 s606 s625) 0)") while checking expression at index 0
[2021-05-19 08:35:27] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2021-05-19 08:35:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:35:52] [INFO ] [Real]Absence check using state equation in 25758 ms returned sat
[2021-05-19 08:35:57] [INFO ] [Real]Added 829 Read/Feed constraints in 4709 ms returned sat
[2021-05-19 08:35:59] [INFO ] Deduced a trap composed of 41 places in 1161 ms
[2021-05-19 08:36:00] [INFO ] Deduced a trap composed of 49 places in 714 ms
[2021-05-19 08:36:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3352 ms
[2021-05-19 08:36:01] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:36:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 28 ms returned sat
[2021-05-19 08:36:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:36:26] [INFO ] [Nat]Absence check using state equation in 25349 ms returned sat
[2021-05-19 08:36:32] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:36:34] [INFO ] [Nat]Added 829 Read/Feed constraints in 7310 ms returned sat
[2021-05-19 08:36:37] [INFO ] Deduced a trap composed of 65 places in 2504 ms
[2021-05-19 08:36:39] [INFO ] Deduced a trap composed of 25 places in 2514 ms
[2021-05-19 08:36:42] [INFO ] Deduced a trap composed of 41 places in 2593 ms
[2021-05-19 08:36:46] [INFO ] Deduced a trap composed of 41 places in 2738 ms
[2021-05-19 08:36:49] [INFO ] Deduced a trap composed of 41 places in 2509 ms
[2021-05-19 08:36:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s2 s3 s6 s22 s24 s43 s44 s74 s84 s85 s104 s112 s124 s149 s159 s181 s198 s199 s210 s218 s232 s277 s284 s300 s330 s353 s382 s403 s407 s413 s445 s463 s500 s505 s521 s539 s560 s585 s599 s602 s603) 0)") while checking expression at index 1
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 139 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 627/627 places, 31353/31353 transitions.
Starting structural reductions, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 138 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2021-05-19 08:36:49] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:36:49] [INFO ] Computed 13 place invariants in 34 ms
[2021-05-19 08:36:51] [INFO ] Implicit Places using invariants in 2484 ms returned []
Implicit Place search using SMT only with invariants took 2485 ms to find 0 implicit places.
[2021-05-19 08:36:51] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:36:51] [INFO ] Computed 13 place invariants in 55 ms
[2021-05-19 08:37:19] [INFO ] Dead Transitions using invariants and state equation in 27160 ms returned []
Finished structural reductions, in 1 iterations. Remains : 627/627 places, 31353/31353 transitions.
Incomplete random walk after 100000 steps, including 0 resets, run finished after 2665 ms. (steps per millisecond=37 ) properties seen :[0, 1]
[2021-05-19 08:37:21] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:37:21] [INFO ] Computed 13 place invariants in 45 ms
[2021-05-19 08:37:22] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2021-05-19 08:37:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:37:41] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 08:37:41] [INFO ] [Real]Absence check using state equation in 19935 ms returned (error "Failed to check-sat")
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 627 transition count 18326
Applied a total of 13027 rules in 715 ms. Remains 627 /627 variables (removed 0) and now considering 18326/31353 (removed 13027) transitions.
// Phase 1: matrix 18326 rows 627 cols
[2021-05-19 08:37:42] [INFO ] Computed 13 place invariants in 37 ms
[2021-05-19 08:37:42] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2021-05-19 08:37:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:38:11] [INFO ] [Real]Absence check using state equation in 28618 ms returned sat
[2021-05-19 08:38:13] [INFO ] Computed and/alt/rep : 18325/2106019/18325 causal constraints in 1629 ms.
[2021-05-19 08:38:15] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:38:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 29 ms returned sat
[2021-05-19 08:38:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:38:41] [INFO ] [Nat]Absence check using state equation in 25421 ms returned sat
[2021-05-19 08:38:42] [INFO ] Computed and/alt/rep : 18325/2106019/18325 causal constraints in 1497 ms.
[2021-05-19 08:39:00] [INFO ] Added : 50 causal constraints over 10 iterations in 19340 ms. Result :(error "Failed to check-sat")
[2021-05-19 08:39:00] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2021-05-19 08:39:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 08:39:26] [INFO ] [Real]Absence check using state equation in 25423 ms returned sat
[2021-05-19 08:39:28] [INFO ] Computed and/alt/rep : 18325/2106019/18325 causal constraints in 2205 ms.
[2021-05-19 08:39:31] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 08:39:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 30 ms returned sat
[2021-05-19 08:39:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 08:39:52] [INFO ] [Nat]Absence check using state equation in 21269 ms returned sat
[2021-05-19 08:39:53] [INFO ] Deduced a trap composed of 43 places in 557 ms
[2021-05-19 08:39:54] [INFO ] Deduced a trap composed of 49 places in 513 ms
[2021-05-19 08:39:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2110 ms
[2021-05-19 08:39:57] [INFO ] Computed and/alt/rep : 18325/2106019/18325 causal constraints in 2468 ms.
[2021-05-19 08:40:01] [INFO ] Added : 5 causal constraints over 1 iterations in 6239 ms. Result :sat
[2021-05-19 08:40:02] [INFO ] Deduced a trap composed of 65 places in 782 ms
[2021-05-19 08:40:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1922 ms
[2021-05-19 08:40:03] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 2 ms.
[2021-05-19 08:40:03] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 178 ms.
[2021-05-19 08:40:05] [INFO ] Flatten gal took : 1131 ms
info: Time: 3600 - MCC
vrfy: Checking ReachabilityCardinality @ RERS17pb113-PT-5 @ 3570 seconds

FORMULA RERS17pb113-PT-5-ReachabilityCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427488 kB
MemFree: 14507456 kB
After kill :
MemTotal: 16427488 kB
MemFree: 16087160 kB

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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="RERS17pb113-PT-5"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is RERS17pb113-PT-5, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r189-tajo-162089432500079"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-5.tgz
mv RERS17pb113-PT-5 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;