Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r301-smll-165463877100327.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is AutonomousCar-PT-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r301-smll-165463877100327
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 860K
-rw-r--r-- 1 mcc users 6.2K Jun 7 15:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Jun 7 15:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Jun 7 15:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Jun 7 15:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Jun 3 16:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Jun 3 16:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 3 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 3 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 3 16:02 NewModel
-rw-r--r-- 1 mcc users 9.4K Jun 7 15:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Jun 7 15:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Jun 7 15:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Jun 7 15:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Jun 3 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Jun 3 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 3 16:02 equiv_col
-rw-r--r-- 1 mcc users 4 Jun 3 16:02 instance
-rw-r--r-- 1 mcc users 6 Jun 3 16:02 iscolored
-rw-r--r-- 1 mcc users 448K Jun 3 16:02 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 1654659072893

Running Version 202205111006
[2022-06-08 03:31:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-06-08 03:31:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-08 03:31:16] [INFO ] Load time of PNML (sax parser for PT used): 360 ms
[2022-06-08 03:31:16] [INFO ] Transformed 81 places.
[2022-06-08 03:31:16] [INFO ] Transformed 849 transitions.
[2022-06-08 03:31:16] [INFO ] Found NUPN structural information;
[2022-06-08 03:31:16] [INFO ] Parsed PT model containing 81 places and 849 transitions in 588 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 81/81 places, 849/849 transitions.
Ensure Unique test removed 275 transitions
Reduce isomorphic transitions removed 275 transitions.
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 284 rules applied. Total rules applied 284 place count 81 transition count 565
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 293 place count 72 transition count 565
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 301 place count 64 transition count 493
Iterating global reduction 2 with 8 rules applied. Total rules applied 309 place count 64 transition count 493
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 313 place count 62 transition count 491
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 315 place count 61 transition count 491
Applied a total of 315 rules in 119 ms. Remains 61 /81 variables (removed 20) and now considering 491/849 (removed 358) transitions.
[2022-06-08 03:31:16] [INFO ] Flow matrix only has 490 transitions (discarded 1 similar events)
// Phase 1: matrix 490 rows 61 cols
[2022-06-08 03:31:16] [INFO ] Computed 13 place invariants in 37 ms
[2022-06-08 03:31:17] [INFO ] Implicit Places using invariants in 865 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 921 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 60/81 places, 491/849 transitions.
Applied a total of 0 rules in 13 ms. Remains 60 /60 variables (removed 0) and now considering 491/491 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 60/81 places, 491/849 transitions.
Discarding 36 transitions out of 491. Remains 455
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 677 resets, run finished after 1444 ms. (steps per millisecond=6 ) properties (out of 454) seen :164
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 290) seen :0
Running SMT prover for 290 properties.
[2022-06-08 03:31:18] [INFO ] Flow matrix only has 490 transitions (discarded 1 similar events)
// Phase 1: matrix 490 rows 60 cols
[2022-06-08 03:31:18] [INFO ] Computed 12 place invariants in 11 ms
[2022-06-08 03:31:24] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2022-06-08 03:31:46] [INFO ] After 23613ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:290
[2022-06-08 03:31:47] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2022-06-08 03:32:09] [INFO ] After 20659ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :290
[2022-06-08 03:32:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2022-06-08 03:32:11] [INFO ] After 2202ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :289
[2022-06-08 03:32:11] [INFO ] After 2205ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :289
Attempting to minimize the solution found.
Minimization took 1 ms.
[2022-06-08 03:32:11] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :289
Parikh walk visited 88 properties in 17217 ms.
Support contains 43 out of 60 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 60/60 places, 491/491 transitions.
Graph (complete) has 735 edges and 60 vertex of which 59 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.20 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 59 transition count 489
Applied a total of 2 rules in 116 ms. Remains 59 /60 variables (removed 1) and now considering 489/491 (removed 2) transitions.
Finished structural reductions, in 1 iterations. Remains : 59/60 places, 489/491 transitions.
Interrupted random walk after 552169 steps, including 37299 resets, run timeout after 30001 ms. (steps per millisecond=18 ) properties seen 171
Incomplete Best-First random walk after 100001 steps, including 410 resets, run finished after 377 ms. (steps per millisecond=265 ) properties (out of 31) seen :5
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 492 ms. (steps per millisecond=203 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 456 resets, run finished after 636 ms. (steps per millisecond=157 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 100001 steps, including 458 resets, run finished after 332 ms. (steps per millisecond=301 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 409 resets, run finished after 442 ms. (steps per millisecond=226 ) properties (out of 24) seen :2
Incomplete Best-First random walk after 100001 steps, including 451 resets, run finished after 362 ms. (steps per millisecond=276 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 100001 steps, including 451 resets, run finished after 372 ms. (steps per millisecond=268 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 100001 steps, including 447 resets, run finished after 429 ms. (steps per millisecond=233 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 458 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 384 ms. (steps per millisecond=260 ) properties (out of 20) seen :1
Incomplete Best-First random walk after 100001 steps, including 403 resets, run finished after 423 ms. (steps per millisecond=236 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 463 resets, run finished after 407 ms. (steps per millisecond=245 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 409 ms. (steps per millisecond=244 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 100001 steps, including 461 resets, run finished after 384 ms. (steps per millisecond=260 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 360 ms. (steps per millisecond=277 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 363 ms. (steps per millisecond=275 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 100001 steps, including 447 resets, run finished after 334 ms. (steps per millisecond=299 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 465 resets, run finished after 336 ms. (steps per millisecond=297 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 100001 steps, including 410 resets, run finished after 350 ms. (steps per millisecond=285 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 336 ms. (steps per millisecond=297 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 460 resets, run finished after 346 ms. (steps per millisecond=289 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 454 resets, run finished after 353 ms. (steps per millisecond=283 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 411 resets, run finished after 340 ms. (steps per millisecond=294 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 420 resets, run finished after 337 ms. (steps per millisecond=296 ) properties (out of 14) seen :0
Running SMT prover for 14 properties.
// Phase 1: matrix 489 rows 59 cols
[2022-06-08 03:33:08] [INFO ] Computed 11 place invariants in 5 ms
[2022-06-08 03:33:08] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2022-06-08 03:33:09] [INFO ] After 1007ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2022-06-08 03:33:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2022-06-08 03:33:10] [INFO ] After 1219ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :14
[2022-06-08 03:33:12] [INFO ] After 2446ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :14
Attempting to minimize the solution found.
Minimization took 822 ms.
[2022-06-08 03:33:12] [INFO ] After 3420ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :14
Parikh walk visited 2 properties in 4988 ms.
Support contains 16 out of 59 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 59/59 places, 489/489 transitions.
Graph (complete) has 731 edges and 59 vertex of which 58 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 57 transition count 488
Applied a total of 2 rules in 92 ms. Remains 57 /59 variables (removed 2) and now considering 488/489 (removed 1) transitions.
Finished structural reductions, in 1 iterations. Remains : 57/59 places, 488/489 transitions.
Interrupted random walk after 844466 steps, including 60874 resets, run timeout after 30001 ms. (steps per millisecond=28 ) properties seen 2
Incomplete Best-First random walk after 1000001 steps, including 4551 resets, run finished after 2584 ms. (steps per millisecond=386 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4526 resets, run finished after 2746 ms. (steps per millisecond=364 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4554 resets, run finished after 2768 ms. (steps per millisecond=361 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4570 resets, run finished after 2759 ms. (steps per millisecond=362 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4522 resets, run finished after 3205 ms. (steps per millisecond=312 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4551 resets, run finished after 3080 ms. (steps per millisecond=324 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4130 resets, run finished after 2754 ms. (steps per millisecond=363 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4551 resets, run finished after 2671 ms. (steps per millisecond=374 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4507 resets, run finished after 2691 ms. (steps per millisecond=371 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 1000001 steps, including 4122 resets, run finished after 2745 ms. (steps per millisecond=364 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
// Phase 1: matrix 488 rows 57 cols
[2022-06-08 03:34:16] [INFO ] Computed 10 place invariants in 7 ms
[2022-06-08 03:34:16] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2022-06-08 03:34:16] [INFO ] After 721ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2022-06-08 03:34:16] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2022-06-08 03:34:17] [INFO ] After 826ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2022-06-08 03:34:18] [INFO ] After 1534ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 483 ms.
[2022-06-08 03:34:18] [INFO ] After 2122ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Parikh walk visited 0 properties in 1 ms.
Support contains 13 out of 57 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 57/57 places, 488/488 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 57 transition count 487
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 56 transition count 479
Applied a total of 10 rules in 84 ms. Remains 56 /57 variables (removed 1) and now considering 479/488 (removed 9) transitions.
Finished structural reductions, in 1 iterations. Remains : 56/57 places, 479/488 transitions.
Interrupted random walk after 910939 steps, including 61436 resets, run timeout after 30001 ms. (steps per millisecond=30 ) properties seen 2
Incomplete Best-First random walk after 1000001 steps, including 4528 resets, run finished after 2657 ms. (steps per millisecond=376 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4501 resets, run finished after 2432 ms. (steps per millisecond=411 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000000 steps, including 4492 resets, run finished after 2449 ms. (steps per millisecond=408 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4471 resets, run finished after 2468 ms. (steps per millisecond=405 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4505 resets, run finished after 2475 ms. (steps per millisecond=404 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4427 resets, run finished after 2954 ms. (steps per millisecond=338 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4055 resets, run finished after 2468 ms. (steps per millisecond=405 ) properties (out of 7) seen :1
Running SMT prover for 6 properties.
// Phase 1: matrix 479 rows 56 cols
[2022-06-08 03:35:06] [INFO ] Computed 10 place invariants in 4 ms
[2022-06-08 03:35:07] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2022-06-08 03:35:07] [INFO ] After 706ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2022-06-08 03:35:07] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2022-06-08 03:35:08] [INFO ] After 616ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2022-06-08 03:35:08] [INFO ] After 1129ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 376 ms.
[2022-06-08 03:35:09] [INFO ] After 1584ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 2 ms.
Support contains 10 out of 56 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 56/56 places, 479/479 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 56 transition count 477
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 20 place count 54 transition count 461
Applied a total of 20 rules in 90 ms. Remains 54 /56 variables (removed 2) and now considering 461/479 (removed 18) transitions.
Finished structural reductions, in 1 iterations. Remains : 54/56 places, 461/479 transitions.
Interrupted random walk after 932868 steps, including 48372 resets, run timeout after 30001 ms. (steps per millisecond=31 ) properties seen 2
Incomplete Best-First random walk after 1000001 steps, including 3962 resets, run finished after 2346 ms. (steps per millisecond=426 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000000 steps, including 3980 resets, run finished after 1554 ms. (steps per millisecond=643 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3978 resets, run finished after 1362 ms. (steps per millisecond=734 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3766 resets, run finished after 771 ms. (steps per millisecond=1297 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 461 rows 54 cols
[2022-06-08 03:35:45] [INFO ] Computed 10 place invariants in 4 ms
[2022-06-08 03:35:45] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2022-06-08 03:35:45] [INFO ] After 272ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-08 03:35:45] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2022-06-08 03:35:45] [INFO ] After 250ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-08 03:35:46] [INFO ] After 304ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 43 ms.
[2022-06-08 03:35:46] [INFO ] After 388ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 54 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 54/54 places, 461/461 transitions.
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 54 transition count 456
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 50 place count 49 transition count 416
Applied a total of 50 rules in 44 ms. Remains 49 /54 variables (removed 5) and now considering 416/461 (removed 45) transitions.
Finished structural reductions, in 1 iterations. Remains : 49/54 places, 416/461 transitions.
Incomplete random walk after 1000000 steps, including 7760 resets, run finished after 6582 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 5812 resets, run finished after 724 ms. (steps per millisecond=1381 ) properties (out of 1) seen :0
Finished probabilistic random walk after 67365 steps, run visited all 1 properties in 158 ms. (steps per millisecond=426 )
Probabilistic random walk after 67365 steps, saw 11307 distinct states, run finished after 159 ms. (steps per millisecond=423 ) properties seen :1
Able to resolve query QuasiLiveness after proving 455 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 278216 ms.

BK_STOP 1654659353698

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="AutonomousCar-PT-08a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is AutonomousCar-PT-08a, 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 r301-smll-165463877100327"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-08a.tgz
mv AutonomousCar-PT-08a 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;