Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r277-smll-167863548700272.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is Parking-PT-432, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548700272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 8.1K Feb 26 15:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 15:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 26 15:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 15:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 16:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 15:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 15:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 26 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 192K Mar 5 18:23 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 1678878079360

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-432
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 11:01:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 11:01:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 11:01:22] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2023-03-15 11:01:22] [INFO ] Transformed 529 places.
[2023-03-15 11:01:22] [INFO ] Transformed 785 transitions.
[2023-03-15 11:01:22] [INFO ] Found NUPN structural information;
[2023-03-15 11:01:22] [INFO ] Parsed PT model containing 529 places and 785 transitions and 2329 arcs in 330 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 529/529 places, 785/785 transitions.
Ensure Unique test removed 328 transitions
Reduce isomorphic transitions removed 328 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 344 rules applied. Total rules applied 344 place count 529 transition count 441
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 360 place count 513 transition count 441
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 360 place count 513 transition count 425
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 392 place count 497 transition count 425
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 2 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 440 place count 473 transition count 401
Applied a total of 440 rules in 81 ms. Remains 473 /529 variables (removed 56) and now considering 401/785 (removed 384) transitions.
// Phase 1: matrix 401 rows 473 cols
[2023-03-15 11:01:22] [INFO ] Computed 124 place invariants in 29 ms
[2023-03-15 11:01:23] [INFO ] Implicit Places using invariants in 1034 ms returned [63, 70, 76, 82, 89, 96, 102, 108, 132, 134, 175, 182, 188, 194, 201, 208, 214, 220, 244, 246, 287, 294, 300, 306, 313, 320, 326, 332, 356, 358, 399, 406, 412, 418, 425, 432, 438, 444, 468, 470]
Discarding 40 places :
Implicit Place search using SMT only with invariants took 1079 ms to find 40 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 433/529 places, 401/785 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 72 place count 397 transition count 365
Applied a total of 72 rules in 22 ms. Remains 397 /433 variables (removed 36) and now considering 365/401 (removed 36) transitions.
// Phase 1: matrix 365 rows 397 cols
[2023-03-15 11:01:23] [INFO ] Computed 84 place invariants in 15 ms
[2023-03-15 11:01:24] [INFO ] Implicit Places using invariants in 486 ms returned []
[2023-03-15 11:01:24] [INFO ] Invariant cache hit.
[2023-03-15 11:01:24] [INFO ] State equation strengthened by 156 read => feed constraints.
[2023-03-15 11:01:25] [INFO ] Implicit Places using invariants and state equation in 1442 ms returned []
Implicit Place search using SMT with State Equation took 1941 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 397/529 places, 365/785 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 3129 ms. Remains : 397/529 places, 365/785 transitions.
Discarding 128 transitions out of 365. Remains 237
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 91 resets, run finished after 1075 ms. (steps per millisecond=9 ) properties (out of 236) seen :141
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) seen :0
Running SMT prover for 95 properties.
[2023-03-15 11:01:26] [INFO ] Invariant cache hit.
[2023-03-15 11:01:28] [INFO ] [Real]Absence check using 84 positive place invariants in 40 ms returned sat
[2023-03-15 11:01:34] [INFO ] After 7500ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:95
[2023-03-15 11:01:35] [INFO ] [Nat]Absence check using 84 positive place invariants in 39 ms returned sat
[2023-03-15 11:01:41] [INFO ] After 4244ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :95
[2023-03-15 11:01:41] [INFO ] State equation strengthened by 156 read => feed constraints.
[2023-03-15 11:01:47] [INFO ] After 5740ms SMT Verify possible using 156 Read/Feed constraints in natural domain returned unsat :0 sat :95
[2023-03-15 11:01:54] [INFO ] After 13268ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :95
Attempting to minimize the solution found.
Minimization took 4831 ms.
[2023-03-15 11:01:59] [INFO ] After 25010ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :94
Parikh walk visited 40 properties in 16030 ms.
Support contains 105 out of 397 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 397/397 places, 365/365 transitions.
Free-agglomeration rule applied 66 times.
Iterating global reduction 0 with 66 rules applied. Total rules applied 66 place count 397 transition count 299
Reduce places removed 66 places and 0 transitions.
Iterating post reduction 0 with 66 rules applied. Total rules applied 132 place count 331 transition count 299
Applied a total of 132 rules in 103 ms. Remains 331 /397 variables (removed 66) and now considering 299/365 (removed 66) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105 ms. Remains : 331/397 places, 299/365 transitions.
Interrupted random walk after 746035 steps, including 6820 resets, run timeout after 30001 ms. (steps per millisecond=24 ) properties seen 19
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 363 ms. (steps per millisecond=275 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 517 ms. (steps per millisecond=193 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 555 ms. (steps per millisecond=180 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 364 ms. (steps per millisecond=274 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 357 ms. (steps per millisecond=280 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 331 ms. (steps per millisecond=302 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 338 ms. (steps per millisecond=295 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 362 ms. (steps per millisecond=276 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 370 ms. (steps per millisecond=270 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 472 ms. (steps per millisecond=211 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 400 ms. (steps per millisecond=250 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 367 ms. (steps per millisecond=272 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 362 ms. (steps per millisecond=276 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 363 ms. (steps per millisecond=275 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 362 ms. (steps per millisecond=276 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 343 ms. (steps per millisecond=291 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 342 ms. (steps per millisecond=292 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 353 ms. (steps per millisecond=283 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 345 ms. (steps per millisecond=289 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 346 ms. (steps per millisecond=289 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 355 ms. (steps per millisecond=281 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 367 ms. (steps per millisecond=272 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 355 ms. (steps per millisecond=281 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 338 ms. (steps per millisecond=295 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 350 ms. (steps per millisecond=285 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 351 ms. (steps per millisecond=284 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 347 ms. (steps per millisecond=288 ) properties (out of 33) seen :0
Running SMT prover for 33 properties.
// Phase 1: matrix 299 rows 331 cols
[2023-03-15 11:02:58] [INFO ] Computed 84 place invariants in 3 ms
[2023-03-15 11:02:58] [INFO ] [Real]Absence check using 84 positive place invariants in 30 ms returned sat
[2023-03-15 11:03:00] [INFO ] After 1997ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:33
[2023-03-15 11:03:01] [INFO ] [Nat]Absence check using 84 positive place invariants in 37 ms returned sat
[2023-03-15 11:03:02] [INFO ] After 1041ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :33
[2023-03-15 11:03:02] [INFO ] State equation strengthened by 195 read => feed constraints.
[2023-03-15 11:03:03] [INFO ] After 1227ms SMT Verify possible using 195 Read/Feed constraints in natural domain returned unsat :0 sat :33
[2023-03-15 11:03:05] [INFO ] After 2903ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :33
Attempting to minimize the solution found.
Minimization took 1064 ms.
[2023-03-15 11:03:06] [INFO ] After 5891ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :33
Parikh walk visited 4 properties in 3776 ms.
Support contains 58 out of 331 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 331/331 places, 299/299 transitions.
Free-agglomeration rule applied 21 times.
Iterating global reduction 0 with 21 rules applied. Total rules applied 21 place count 331 transition count 278
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 42 place count 310 transition count 278
Applied a total of 42 rules in 31 ms. Remains 310 /331 variables (removed 21) and now considering 278/299 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 310/331 places, 278/299 transitions.
Interrupted random walk after 926267 steps, including 3881 resets, run timeout after 30001 ms. (steps per millisecond=30 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 435 ms. (steps per millisecond=229 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 435 ms. (steps per millisecond=229 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 470 ms. (steps per millisecond=212 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 668 ms. (steps per millisecond=149 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 477 ms. (steps per millisecond=209 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 446 ms. (steps per millisecond=224 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 482 ms. (steps per millisecond=207 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 633 ms. (steps per millisecond=157 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 438 ms. (steps per millisecond=228 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 434 ms. (steps per millisecond=230 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 545 ms. (steps per millisecond=183 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 485 ms. (steps per millisecond=206 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 494 ms. (steps per millisecond=202 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 484 ms. (steps per millisecond=206 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 484 ms. (steps per millisecond=206 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 482 ms. (steps per millisecond=207 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100000 steps, including 41 resets, run finished after 483 ms. (steps per millisecond=207 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 100000 steps, including 45 resets, run finished after 481 ms. (steps per millisecond=207 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 478 ms. (steps per millisecond=209 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 489 ms. (steps per millisecond=204 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 470 ms. (steps per millisecond=212 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 485 ms. (steps per millisecond=206 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 483 ms. (steps per millisecond=207 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 487 ms. (steps per millisecond=205 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100000 steps, including 42 resets, run finished after 462 ms. (steps per millisecond=216 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 485 ms. (steps per millisecond=206 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 480 ms. (steps per millisecond=208 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 41 resets, run finished after 488 ms. (steps per millisecond=204 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 41 resets, run finished after 482 ms. (steps per millisecond=207 ) properties (out of 25) seen :0
Running SMT prover for 25 properties.
// Phase 1: matrix 278 rows 310 cols
[2023-03-15 11:03:54] [INFO ] Computed 84 place invariants in 6 ms
[2023-03-15 11:03:54] [INFO ] [Real]Absence check using 84 positive place invariants in 34 ms returned sat
[2023-03-15 11:03:55] [INFO ] After 1483ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:25
[2023-03-15 11:03:56] [INFO ] [Nat]Absence check using 84 positive place invariants in 36 ms returned sat
[2023-03-15 11:03:57] [INFO ] After 812ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :25
[2023-03-15 11:03:57] [INFO ] State equation strengthened by 219 read => feed constraints.
[2023-03-15 11:03:58] [INFO ] After 838ms SMT Verify possible using 219 Read/Feed constraints in natural domain returned unsat :0 sat :25
[2023-03-15 11:03:59] [INFO ] After 1955ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :25
Attempting to minimize the solution found.
Minimization took 750 ms.
[2023-03-15 11:04:00] [INFO ] After 4190ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :25
Parikh walk visited 4 properties in 1899 ms.
Support contains 42 out of 310 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 310/310 places, 278/278 transitions.
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 310 transition count 270
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 16 place count 302 transition count 270
Applied a total of 16 rules in 28 ms. Remains 302 /310 variables (removed 8) and now considering 270/278 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 302/310 places, 270/278 transitions.
Incomplete random walk after 1000000 steps, including 4143 resets, run finished after 29435 ms. (steps per millisecond=33 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 49 resets, run finished after 488 ms. (steps per millisecond=204 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 766 ms. (steps per millisecond=130 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 47 resets, run finished after 556 ms. (steps per millisecond=179 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 47 resets, run finished after 564 ms. (steps per millisecond=177 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 694 ms. (steps per millisecond=144 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 489 ms. (steps per millisecond=204 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 600 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 694 ms. (steps per millisecond=144 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 49 resets, run finished after 597 ms. (steps per millisecond=167 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 47 resets, run finished after 567 ms. (steps per millisecond=176 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 100001 steps, including 47 resets, run finished after 524 ms. (steps per millisecond=190 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 47 resets, run finished after 538 ms. (steps per millisecond=185 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 519 ms. (steps per millisecond=192 ) properties (out of 20) seen :1
Incomplete Best-First random walk after 100001 steps, including 47 resets, run finished after 499 ms. (steps per millisecond=200 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 495 ms. (steps per millisecond=202 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 100000 steps, including 46 resets, run finished after 478 ms. (steps per millisecond=209 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 493 ms. (steps per millisecond=202 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 100001 steps, including 47 resets, run finished after 578 ms. (steps per millisecond=173 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 48 resets, run finished after 529 ms. (steps per millisecond=189 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 490 ms. (steps per millisecond=204 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 467 ms. (steps per millisecond=214 ) properties (out of 17) seen :0
Running SMT prover for 17 properties.
// Phase 1: matrix 270 rows 302 cols
[2023-03-15 11:04:43] [INFO ] Computed 84 place invariants in 2 ms
[2023-03-15 11:04:43] [INFO ] [Real]Absence check using 84 positive place invariants in 23 ms returned sat
[2023-03-15 11:04:43] [INFO ] After 778ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2023-03-15 11:04:44] [INFO ] [Nat]Absence check using 84 positive place invariants in 22 ms returned sat
[2023-03-15 11:04:44] [INFO ] After 419ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2023-03-15 11:04:44] [INFO ] State equation strengthened by 227 read => feed constraints.
[2023-03-15 11:04:45] [INFO ] After 495ms SMT Verify possible using 227 Read/Feed constraints in natural domain returned unsat :0 sat :17
[2023-03-15 11:04:45] [INFO ] After 982ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
Attempting to minimize the solution found.
Minimization took 373 ms.
[2023-03-15 11:04:45] [INFO ] After 2134ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
Parikh walk visited 7 properties in 3358 ms.
Support contains 20 out of 302 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 302/302 places, 270/270 transitions.
Free-agglomeration rule applied 11 times.
Iterating global reduction 0 with 11 rules applied. Total rules applied 11 place count 302 transition count 259
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 22 place count 291 transition count 259
Applied a total of 22 rules in 25 ms. Remains 291 /302 variables (removed 11) and now considering 259/270 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 291/302 places, 259/270 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 21851 ms. (steps per millisecond=45 ) properties (out of 10) seen :1
Interrupted Best-First random walk after 744822 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=148 ) properties seen 0
Interrupted Best-First random walk after 753394 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=150 ) properties seen 0
Interrupted Best-First random walk after 764335 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=152 ) properties seen 2
Interrupted Best-First random walk after 913734 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=182 ) properties seen 1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4956 ms. (steps per millisecond=201 ) properties (out of 6) seen :1
Interrupted Best-First random walk after 799691 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=159 ) properties seen 0
Interrupted Best-First random walk after 804155 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=160 ) properties seen 0
Interrupted Best-First random walk after 814365 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=162 ) properties seen 0
Running SMT prover for 5 properties.
// Phase 1: matrix 259 rows 291 cols
[2023-03-15 11:05:51] [INFO ] Computed 84 place invariants in 2 ms
[2023-03-15 11:05:51] [INFO ] [Real]Absence check using 84 positive place invariants in 23 ms returned sat
[2023-03-15 11:05:51] [INFO ] After 366ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-15 11:05:51] [INFO ] [Nat]Absence check using 84 positive place invariants in 24 ms returned sat
[2023-03-15 11:05:51] [INFO ] After 192ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-15 11:05:51] [INFO ] State equation strengthened by 238 read => feed constraints.
[2023-03-15 11:05:52] [INFO ] After 131ms SMT Verify possible using 238 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-15 11:05:52] [INFO ] After 262ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 87 ms.
[2023-03-15 11:05:52] [INFO ] After 718ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 2 properties in 1230 ms.
Support contains 6 out of 291 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 291/291 places, 259/259 transitions.
Free-agglomeration rule applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 7 place count 291 transition count 252
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 14 place count 284 transition count 252
Applied a total of 14 rules in 24 ms. Remains 284 /291 variables (removed 7) and now considering 252/259 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 284/291 places, 252/259 transitions.
Finished random walk after 925 steps, including 0 resets, run visited all 3 properties in 9 ms. (steps per millisecond=102 )
Able to resolve query QuasiLiveness after proving 237 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 271481 ms.
ITS solved all properties within timeout

BK_STOP 1678878354401

--------------------
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:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="Parking-PT-432"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is Parking-PT-432, 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 r277-smll-167863548700272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-432.tgz
mv Parking-PT-432 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 ;