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.r175-tall-165277024200270.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)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is PhilosophersDyn-PT-20, examination is OneSafe
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-tall-165277024200270
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 27M
-rw-r--r-- 1 mcc users 136K Apr 30 08:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 529K Apr 30 08:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.3M Apr 30 08:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 5.7M Apr 30 08:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 31K May 9 08:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 101K May 9 08:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.2M May 9 08:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.2M May 9 08:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 9 08:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.8K May 9 08:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 14M May 10 09:34 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 OneSafe

=== Now, execution of the tool begins

BK_START 1652811459941

Running Version 202205111006
[2022-05-17 18:17:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, OneSafe, -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]
[2022-05-17 18:17:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-17 18:17:41] [INFO ] Load time of PNML (sax parser for PT used): 664 ms
[2022-05-17 18:17:41] [INFO ] Transformed 540 places.
[2022-05-17 18:17:42] [INFO ] Transformed 17220 transitions.
[2022-05-17 18:17:42] [INFO ] Parsed PT model containing 540 places and 17220 transitions in 922 ms.
Ensure Unique test removed 190 transitions
Reduce redundant transitions removed 190 transitions.
Normalized transition count is 15510 out of 17030 initially.
// Phase 1: matrix 15510 rows 540 cols
[2022-05-17 18:17:43] [INFO ] Computed 79 place invariants in 1327 ms
[2022-05-17 18:17:43] [INFO ] Rough structural analysis with invariants proved 340 places are one safe in 1361 ms (including invariant computation).
[2022-05-17 18:17:44] [INFO ] [Real]Absence check using 53 positive place invariants in 91 ms proved 0 places are One-Safe.
[2022-05-17 18:17:44] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 121 ms proved 180 places are One-Safe.
[2022-05-17 18:17:44] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
[2022-05-17 18:17:45] [INFO ] [Real] State equation constraints in 1457 ms proved 0 places are One-Safe.
Incomplete random walk after 10000 steps, including 1143 resets, run finished after 1418 ms. (steps per millisecond=7 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=14 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Interrupted probabilistic random walk after 15963 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 15963 steps, saw 4685 distinct states, run finished after 3010 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 200 properties.
[2022-05-17 18:17:50] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
// Phase 1: matrix 15510 rows 540 cols
[2022-05-17 18:17:51] [INFO ] Computed 79 place invariants in 1107 ms
[2022-05-17 18:17:54] [INFO ] [Real]Absence check using 53 positive place invariants in 13 ms returned sat
[2022-05-17 18:17:54] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 34 ms returned sat
[2022-05-17 18:17:54] [INFO ] After 2258ms SMT Verify possible using all constraints in real domain returned unsat :180 sat :0 real:20
[2022-05-17 18:17:55] [INFO ] [Nat]Absence check using 53 positive place invariants in 19 ms returned sat
[2022-05-17 18:17:55] [INFO ] [Nat]Absence check using 53 positive and 26 generalized place invariants in 30 ms returned sat
[2022-05-17 18:18:19] [INFO ] After 24589ms SMT Verify possible using state equation in natural domain returned unsat :180 sat :20
[2022-05-17 18:18:20] [INFO ] State equation strengthened by 8060 read => feed constraints.
[2022-05-17 18:18:20] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-17 18:18:20] [INFO ] After 25491ms SMT Verify possible using all constraints in natural domain returned unsat :180 sat :0 real:20
Fused 200 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 2518 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 17030/17030 transitions.
Applied a total of 0 rules in 4602 ms. Remains 540 /540 variables (removed 0) and now considering 17030/17030 (removed 0) transitions.
[2022-05-17 18:18:27] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
// Phase 1: matrix 15510 rows 540 cols
[2022-05-17 18:18:28] [INFO ] Computed 79 place invariants in 1155 ms
[2022-05-17 18:18:36] [INFO ] Dead Transitions using invariants and state equation in 9530 ms found 1560 transitions.
Found 1560 dead transitions using SMT.
Drop transitions removed 1560 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1560 transitions.
Starting structural reductions in SAFETY mode, iteration 1 : 540/540 places, 15470/17030 transitions.
Applied a total of 0 rules in 3389 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 540/540 places, 15470/17030 transitions.
Interrupted random walk after 307146 steps, including 35167 resets, run timeout after 30001 ms. (steps per millisecond=10 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 368 ms. (steps per millisecond=271 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 368 ms. (steps per millisecond=271 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 378 ms. (steps per millisecond=264 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 378 ms. (steps per millisecond=264 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 383 ms. (steps per millisecond=261 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 388 ms. (steps per millisecond=257 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 389 ms. (steps per millisecond=257 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 386 ms. (steps per millisecond=259 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 375 ms. (steps per millisecond=266 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 377 ms. (steps per millisecond=265 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 374 ms. (steps per millisecond=267 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 401 ms. (steps per millisecond=249 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 385 ms. (steps per millisecond=259 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 376 ms. (steps per millisecond=265 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 369 ms. (steps per millisecond=271 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 349 ms. (steps per millisecond=286 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 368 ms. (steps per millisecond=271 ) properties (out of 20) seen :0
Interrupted probabilistic random walk after 722919 steps, run timeout after 111001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 722919 steps, saw 189500 distinct states, run finished after 111002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 20 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:21:10] [INFO ] Computed 79 place invariants in 1961 ms
[2022-05-17 18:21:11] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2022-05-17 18:21:11] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 112 ms returned sat
[2022-05-17 18:21:11] [INFO ] After 559ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2022-05-17 18:21:11] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2022-05-17 18:21:11] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 51 ms returned sat
[2022-05-17 18:21:55] [INFO ] After 43101ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2022-05-17 18:21:55] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:24:56] [INFO ] After 180829ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:24:56] [INFO ] After 225037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9792 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3361 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3250 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:25:14] [INFO ] Computed 79 place invariants in 1870 ms
[2022-05-17 18:25:17] [INFO ] Implicit Places using invariants in 4314 ms returned []
Implicit Place search using SMT only with invariants took 4316 ms to find 0 implicit places.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:25:19] [INFO ] Computed 79 place invariants in 1904 ms
[2022-05-17 18:25:26] [INFO ] Dead Transitions using invariants and state equation in 9382 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 540/540 places, 15470/15470 transitions.
Incomplete random walk after 100000 steps, including 11418 resets, run finished after 7641 ms. (steps per millisecond=13 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:25:36] [INFO ] Computed 79 place invariants in 1814 ms
[2022-05-17 18:25:36] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2022-05-17 18:25:36] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 47 ms returned sat
[2022-05-17 18:25:36] [INFO ] After 480ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2022-05-17 18:25:37] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2022-05-17 18:25:37] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2022-05-17 18:26:19] [INFO ] After 42037ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2022-05-17 18:26:19] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:27:16] [INFO ] After 56925ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2022-05-17 18:27:16] [INFO ] After 56926ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 6 ms.
[2022-05-17 18:27:16] [INFO ] After 100042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Interrupted random walk after 380687 steps, including 43593 resets, run timeout after 30001 ms. (steps per millisecond=12 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 302 ms. (steps per millisecond=331 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 310 ms. (steps per millisecond=322 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 304 ms. (steps per millisecond=328 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 306 ms. (steps per millisecond=326 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 305 ms. (steps per millisecond=327 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 309 ms. (steps per millisecond=323 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 313 ms. (steps per millisecond=319 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 305 ms. (steps per millisecond=327 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 294 ms. (steps per millisecond=340 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 303 ms. (steps per millisecond=330 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 310 ms. (steps per millisecond=322 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 339 ms. (steps per millisecond=294 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 312 ms. (steps per millisecond=320 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 313 ms. (steps per millisecond=319 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 308 ms. (steps per millisecond=324 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 325 ms. (steps per millisecond=307 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 317 ms. (steps per millisecond=315 ) properties (out of 20) seen :0
Interrupted probabilistic random walk after 725440 steps, run timeout after 108001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 725440 steps, saw 190191 distinct states, run finished after 108002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 20 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:29:43] [INFO ] Computed 79 place invariants in 1965 ms
[2022-05-17 18:29:43] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2022-05-17 18:29:43] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 47 ms returned sat
[2022-05-17 18:29:43] [INFO ] After 496ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2022-05-17 18:29:43] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2022-05-17 18:29:43] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 45 ms returned sat
[2022-05-17 18:30:37] [INFO ] After 53788ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2022-05-17 18:30:38] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:33:28] [INFO ] After 170652ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:33:28] [INFO ] After 225038ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9828 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3023 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3008 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:33:46] [INFO ] Computed 79 place invariants in 1778 ms
[2022-05-17 18:33:48] [INFO ] Implicit Places using invariants in 4112 ms returned []
Implicit Place search using SMT only with invariants took 4115 ms to find 0 implicit places.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:33:50] [INFO ] Computed 79 place invariants in 1833 ms
[2022-05-17 18:33:57] [INFO ] Dead Transitions using invariants and state equation in 9314 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 540/540 places, 15470/15470 transitions.
Incomplete random walk after 100000 steps, including 11443 resets, run finished after 7602 ms. (steps per millisecond=13 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:34:07] [INFO ] Computed 79 place invariants in 1790 ms
[2022-05-17 18:34:07] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2022-05-17 18:34:07] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2022-05-17 18:34:08] [INFO ] After 476ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2022-05-17 18:34:08] [INFO ] [Nat]Absence check using 27 positive place invariants in 6 ms returned sat
[2022-05-17 18:34:08] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2022-05-17 18:34:50] [INFO ] After 42040ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2022-05-17 18:34:50] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:35:48] [INFO ] After 57435ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2022-05-17 18:35:48] [INFO ] After 57437ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 6 ms.
[2022-05-17 18:35:48] [INFO ] After 100046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Incomplete random walk after 10000 steps, including 1143 resets, run finished after 532 ms. (steps per millisecond=18 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19791 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19791 steps, saw 5802 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:35:53] [INFO ] Computed 79 place invariants in 1821 ms
[2022-05-17 18:35:53] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2022-05-17 18:35:53] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2022-05-17 18:35:53] [INFO ] After 124ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:35:53] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:35:53] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2022-05-17 18:36:10] [INFO ] After 16546ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:36:10] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:36:18] [INFO ] After 8214ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:36:18] [INFO ] After 25026ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 101 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6624 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:36:26] [INFO ] Computed 79 place invariants in 1446 ms
[2022-05-17 18:36:33] [INFO ] Dead Transitions using invariants and state equation in 8556 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1142 resets, run finished after 462 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19884 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19884 steps, saw 5782 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:36:39] [INFO ] Computed 79 place invariants in 1591 ms
[2022-05-17 18:36:39] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2022-05-17 18:36:39] [INFO ] [Real]Absence check using 26 positive and 53 generalized place invariants in 46 ms returned sat
[2022-05-17 18:36:39] [INFO ] After 124ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:36:39] [INFO ] [Nat]Absence check using 26 positive place invariants in 5 ms returned sat
[2022-05-17 18:36:39] [INFO ] [Nat]Absence check using 26 positive and 53 generalized place invariants in 43 ms returned sat
[2022-05-17 18:36:49] [INFO ] After 10021ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:36:49] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:37:00] [INFO ] After 10682ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:37:00] [INFO ] After 20954ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3286 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3285 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:37:08] [INFO ] Computed 79 place invariants in 1482 ms
[2022-05-17 18:37:11] [INFO ] Implicit Places using invariants in 4592 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 237, 251, 282, 321, 334, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4640 ms to find 19 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6726 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:37:19] [INFO ] Computed 60 place invariants in 1460 ms
[2022-05-17 18:37:22] [INFO ] Implicit Places using invariants in 4584 ms returned []
Implicit Place search using SMT only with invariants took 4589 ms to find 0 implicit places.
Starting structural reductions in SAFETY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions, in 2 iterations. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1685 resets, run finished after 655 ms. (steps per millisecond=15 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 15952 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 15952 steps, saw 5942 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:37:27] [INFO ] Computed 60 place invariants in 1413 ms
[2022-05-17 18:37:27] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2022-05-17 18:37:27] [INFO ] [Real]Absence check using 20 positive and 40 generalized place invariants in 33 ms returned sat
[2022-05-17 18:37:27] [INFO ] After 111ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:37:27] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2022-05-17 18:37:28] [INFO ] [Nat]Absence check using 20 positive and 40 generalized place invariants in 35 ms returned sat
[2022-05-17 18:37:39] [INFO ] After 11808ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:37:40] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:37:50] [INFO ] After 10835ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:37:50] [INFO ] After 22913ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3299 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3249 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:37:58] [INFO ] Computed 60 place invariants in 1424 ms
[2022-05-17 18:38:01] [INFO ] Implicit Places using invariants in 4487 ms returned []
Implicit Place search using SMT only with invariants took 4491 ms to find 0 implicit places.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:38:03] [INFO ] Computed 60 place invariants in 1535 ms
[2022-05-17 18:38:10] [INFO ] Dead Transitions using invariants and state equation in 8659 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1148 resets, run finished after 479 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 20138 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20138 steps, saw 5896 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:38:15] [INFO ] Computed 79 place invariants in 1855 ms
[2022-05-17 18:38:16] [INFO ] [Real]Absence check using 27 positive place invariants in 10 ms returned sat
[2022-05-17 18:38:16] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2022-05-17 18:38:16] [INFO ] After 131ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:38:16] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2022-05-17 18:38:16] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2022-05-17 18:38:33] [INFO ] After 17420ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:38:33] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:38:41] [INFO ] After 7357ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:38:41] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 135 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6457 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:38:49] [INFO ] Computed 79 place invariants in 1400 ms
[2022-05-17 18:38:56] [INFO ] Dead Transitions using invariants and state equation in 8695 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1139 resets, run finished after 518 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19342 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19342 steps, saw 5664 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:39:01] [INFO ] Computed 79 place invariants in 1407 ms
[2022-05-17 18:39:01] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2022-05-17 18:39:01] [INFO ] [Real]Absence check using 16 positive and 63 generalized place invariants in 52 ms returned sat
[2022-05-17 18:39:01] [INFO ] After 139ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:39:01] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2022-05-17 18:39:01] [INFO ] [Nat]Absence check using 16 positive and 63 generalized place invariants in 51 ms returned sat
[2022-05-17 18:39:14] [INFO ] After 13132ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:39:14] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:39:25] [INFO ] After 10896ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:39:25] [INFO ] After 24289ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3457 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3426 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:39:34] [INFO ] Computed 79 place invariants in 1440 ms
[2022-05-17 18:39:37] [INFO ] Implicit Places using invariants in 4585 ms returned [29, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4628 ms to find 19 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6563 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:39:45] [INFO ] Computed 60 place invariants in 1344 ms
[2022-05-17 18:39:48] [INFO ] Implicit Places using invariants in 4513 ms returned []
Implicit Place search using SMT only with invariants took 4516 ms to find 0 implicit places.
Starting structural reductions in SAFETY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions, in 2 iterations. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1684 resets, run finished after 704 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 15649 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 15649 steps, saw 5851 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:39:53] [INFO ] Computed 60 place invariants in 1343 ms
[2022-05-17 18:39:53] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2022-05-17 18:39:53] [INFO ] [Real]Absence check using 22 positive and 38 generalized place invariants in 37 ms returned sat
[2022-05-17 18:40:04] [INFO ] After 11298ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:40:04] [INFO ] [Nat]Absence check using 22 positive place invariants in 4 ms returned sat
[2022-05-17 18:40:05] [INFO ] [Nat]Absence check using 22 positive and 38 generalized place invariants in 34 ms returned sat
[2022-05-17 18:40:17] [INFO ] After 12601ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:40:17] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:40:28] [INFO ] After 10762ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:40:28] [INFO ] After 23663ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 67 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3312 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3259 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:40:36] [INFO ] Computed 60 place invariants in 1402 ms
[2022-05-17 18:40:39] [INFO ] Implicit Places using invariants in 4495 ms returned []
Implicit Place search using SMT only with invariants took 4496 ms to find 0 implicit places.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:40:41] [INFO ] Computed 60 place invariants in 1411 ms
[2022-05-17 18:40:48] [INFO ] Dead Transitions using invariants and state equation in 8837 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1152 resets, run finished after 456 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19980 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19980 steps, saw 5854 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:40:53] [INFO ] Computed 79 place invariants in 1843 ms
[2022-05-17 18:40:54] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2022-05-17 18:40:54] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2022-05-17 18:40:54] [INFO ] After 123ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:40:54] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:40:54] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2022-05-17 18:41:09] [INFO ] After 15389ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:41:09] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:41:19] [INFO ] After 9351ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:41:19] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 119 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6440 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:41:27] [INFO ] Computed 79 place invariants in 1709 ms
[2022-05-17 18:41:34] [INFO ] Dead Transitions using invariants and state equation in 8945 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1145 resets, run finished after 458 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19673 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19673 steps, saw 5787 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:41:39] [INFO ] Computed 79 place invariants in 1729 ms
[2022-05-17 18:41:39] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2022-05-17 18:41:39] [INFO ] [Real]Absence check using 17 positive and 62 generalized place invariants in 59 ms returned sat
[2022-05-17 18:41:50] [INFO ] After 11115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:41:51] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2022-05-17 18:41:51] [INFO ] [Nat]Absence check using 17 positive and 62 generalized place invariants in 52 ms returned sat
[2022-05-17 18:42:01] [INFO ] After 10720ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:42:01] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:42:12] [INFO ] After 10722ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:42:12] [INFO ] After 21698ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 80 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3189 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3186 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:42:20] [INFO ] Computed 79 place invariants in 1674 ms
[2022-05-17 18:42:23] [INFO ] Implicit Places using invariants in 4596 ms returned [29, 34, 60, 86, 88, 112, 127, 144, 164, 238, 252, 282, 321, 334, 347, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4636 ms to find 19 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6386 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:42:31] [INFO ] Computed 60 place invariants in 1218 ms
[2022-05-17 18:42:34] [INFO ] Implicit Places using invariants in 4272 ms returned []
Implicit Place search using SMT only with invariants took 4273 ms to find 0 implicit places.
Starting structural reductions in SAFETY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions, in 2 iterations. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1149 resets, run finished after 463 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 20426 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20426 steps, saw 5962 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:42:39] [INFO ] Computed 79 place invariants in 1757 ms
[2022-05-17 18:42:39] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:42:39] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2022-05-17 18:42:39] [INFO ] After 130ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:42:39] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:42:39] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 49 ms returned sat
[2022-05-17 18:42:58] [INFO ] After 18464ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:42:58] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:43:04] [INFO ] After 6307ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:43:04] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6561 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:43:12] [INFO ] Computed 79 place invariants in 1140 ms
[2022-05-17 18:43:19] [INFO ] Dead Transitions using invariants and state equation in 8155 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1139 resets, run finished after 472 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19938 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19938 steps, saw 5791 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:43:24] [INFO ] Computed 79 place invariants in 1159 ms
[2022-05-17 18:43:24] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2022-05-17 18:43:24] [INFO ] [Real]Absence check using 26 positive and 53 generalized place invariants in 39 ms returned sat
[2022-05-17 18:43:24] [INFO ] After 122ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:43:24] [INFO ] [Nat]Absence check using 26 positive place invariants in 5 ms returned sat
[2022-05-17 18:43:24] [INFO ] [Nat]Absence check using 26 positive and 53 generalized place invariants in 38 ms returned sat
[2022-05-17 18:43:37] [INFO ] After 13265ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:43:37] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:43:48] [INFO ] After 10578ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:43:48] [INFO ] After 24114ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3190 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3164 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:43:56] [INFO ] Computed 79 place invariants in 1120 ms
[2022-05-17 18:43:59] [INFO ] Implicit Places using invariants in 4157 ms returned [29, 34, 60, 88, 111, 126, 143, 163, 238, 252, 282, 321, 334, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4198 ms to find 19 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6495 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:44:06] [INFO ] Computed 60 place invariants in 1201 ms
[2022-05-17 18:44:09] [INFO ] Implicit Places using invariants in 4265 ms returned []
Implicit Place search using SMT only with invariants took 4266 ms to find 0 implicit places.
Starting structural reductions in SAFETY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions, in 2 iterations. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1678 resets, run finished after 650 ms. (steps per millisecond=15 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 15717 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 15717 steps, saw 5885 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:44:14] [INFO ] Computed 60 place invariants in 1224 ms
[2022-05-17 18:44:14] [INFO ] [Real]Absence check using 19 positive place invariants in 3 ms returned sat
[2022-05-17 18:44:14] [INFO ] [Real]Absence check using 19 positive and 41 generalized place invariants in 31 ms returned sat
[2022-05-17 18:44:14] [INFO ] After 105ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:44:15] [INFO ] [Nat]Absence check using 19 positive place invariants in 4 ms returned sat
[2022-05-17 18:44:15] [INFO ] [Nat]Absence check using 19 positive and 41 generalized place invariants in 29 ms returned sat
[2022-05-17 18:44:30] [INFO ] After 15562ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:44:30] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:44:39] [INFO ] After 9237ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:44:39] [INFO ] After 25033ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3238 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3218 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:44:47] [INFO ] Computed 60 place invariants in 1204 ms
[2022-05-17 18:44:50] [INFO ] Implicit Places using invariants in 4220 ms returned []
Implicit Place search using SMT only with invariants took 4221 ms to find 0 implicit places.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:44:51] [INFO ] Computed 60 place invariants in 1173 ms
[2022-05-17 18:44:58] [INFO ] Dead Transitions using invariants and state equation in 8186 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1137 resets, run finished after 446 ms. (steps per millisecond=22 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 20101 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20101 steps, saw 5889 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:45:04] [INFO ] Computed 79 place invariants in 1749 ms
[2022-05-17 18:45:04] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:45:04] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2022-05-17 18:45:04] [INFO ] After 127ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:45:04] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2022-05-17 18:45:04] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2022-05-17 18:45:18] [INFO ] After 14475ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:45:19] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:45:29] [INFO ] After 10249ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:45:29] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6551 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:45:37] [INFO ] Computed 79 place invariants in 1514 ms
[2022-05-17 18:45:44] [INFO ] Dead Transitions using invariants and state equation in 8664 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1140 resets, run finished after 463 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19828 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19828 steps, saw 5826 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:45:49] [INFO ] Computed 79 place invariants in 1509 ms
[2022-05-17 18:45:49] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2022-05-17 18:45:49] [INFO ] [Real]Absence check using 18 positive and 61 generalized place invariants in 56 ms returned sat
[2022-05-17 18:46:01] [INFO ] After 11997ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:46:01] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2022-05-17 18:46:01] [INFO ] [Nat]Absence check using 18 positive and 61 generalized place invariants in 53 ms returned sat
[2022-05-17 18:46:13] [INFO ] After 11861ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:46:13] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:46:24] [INFO ] After 10585ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:46:24] [INFO ] After 22733ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 135 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3325 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3372 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:46:32] [INFO ] Computed 79 place invariants in 1632 ms
[2022-05-17 18:46:35] [INFO ] Implicit Places using invariants in 4711 ms returned [29, 34, 60, 86, 111, 126, 143, 164, 238, 252, 282, 321, 334, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4756 ms to find 19 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6735 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2022-05-17 18:46:43] [INFO ] Computed 60 place invariants in 1107 ms
[2022-05-17 18:46:46] [INFO ] Implicit Places using invariants in 4052 ms returned []
Implicit Place search using SMT only with invariants took 4054 ms to find 0 implicit places.
Starting structural reductions in SAFETY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions, in 2 iterations. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1139 resets, run finished after 446 ms. (steps per millisecond=22 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 20126 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20126 steps, saw 5892 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2022-05-17 18:46:52] [INFO ] Computed 79 place invariants in 1917 ms
[2022-05-17 18:46:52] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2022-05-17 18:46:52] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2022-05-17 18:46:52] [INFO ] After 125ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:46:52] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2022-05-17 18:46:52] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2022-05-17 18:47:10] [INFO ] After 17752ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-17 18:47:10] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2022-05-17 18:47:17] [INFO ] After 7008ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-05-17 18:47:17] [INFO ] After 25038ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 132 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6428 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:47:25] [INFO ] Computed 79 place invariants in 1223 ms
[2022-05-17 18:47:32] [INFO ] Dead Transitions using invariants and state equation in 8416 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1143 resets, run finished after 470 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19751 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19751 steps, saw 5805 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15451 rows 521 cols
[2022-05-17 18:47:36] [INFO ] Computed 79 place invariants in 1194 ms
[2022-05-17 18:47:37] [INFO ] [Real]Absence check using 23 positive place invariants in 4 ms returned sat
[2022-05-17 18:47:37] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 41 ms returned sat
[2022-05-17 18:47:37] [INFO ] After 121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 18:47:37] [INFO ] [Nat]Absence check using 23 positive place invariants in 4 ms returned sat
[2022-05-17 18:47:37] [INFO ] [Nat]Absence check using 23 positive and 56 generalized place invariants in 39 ms returned sat

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ OneSafe = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution OneSafe -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 OneSafe -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="PhilosophersDyn-PT-20"
export BK_EXAMINATION="OneSafe"
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 PhilosophersDyn-PT-20, examination is OneSafe"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r175-tall-165277024200270"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-PT-20.tgz
mv PhilosophersDyn-PT-20 execution
cd execution
if [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "UpperBounds" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] || [ "OneSafe" = "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 [ "OneSafe" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "OneSafe" != "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 "OneSafe.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property OneSafe.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "OneSafe.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 '' OneSafe.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] ; then
echo "FORMULA_NAME OneSafe"
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 ;