Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r186-tajo-165281571700029.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is RERS17pb113-PT-4, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r186-tajo-165281571700029
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.8K Apr 30 05:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Apr 30 05:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 30 05:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Apr 30 05:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K May 9 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 9 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 9 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 9 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 2 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 15M 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-00
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-01
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-02
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-03
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-04
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-05
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-06
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-07
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-08
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-09
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-10
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-11
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-12
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-13
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-14
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1653064626110

Running Version 202205111006
[2022-05-20 16:37:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -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, 3600]
[2022-05-20 16:37:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 16:37:08] [INFO ] Load time of PNML (sax parser for PT used): 684 ms
[2022-05-20 16:37:08] [INFO ] Transformed 639 places.
[2022-05-20 16:37:08] [INFO ] Transformed 31353 transitions.
[2022-05-20 16:37:08] [INFO ] Parsed PT model containing 639 places and 31353 transitions in 928 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 107 ms.
Normalized transition count is 18326 out of 31353 initially.
// Phase 1: matrix 18326 rows 639 cols
[2022-05-20 16:37:09] [INFO ] Computed 25 place invariants in 155 ms
FORMULA RERS17pb113-PT-4-UpperBounds-00 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 501 ms. (steps per millisecond=19 ) properties (out of 15) seen :15
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 15) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 15) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 15) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 15) seen :3
[2022-05-20 16:37:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2022-05-20 16:37:10] [INFO ] Computed 25 place invariants in 123 ms
[2022-05-20 16:37:10] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2022-05-20 16:37:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 16:37:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:15] [INFO ] [Real]Absence check using state equation in 4791 ms returned unknown
[2022-05-20 16:37:15] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:37:15] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 16:37:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:20] [INFO ] [Real]Absence check using state equation in 4890 ms returned unknown
[2022-05-20 16:37:20] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:37:20] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2022-05-20 16:37:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:25] [INFO ] [Real]Absence check using state equation in 4903 ms returned unknown
[2022-05-20 16:37:25] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2022-05-20 16:37:25] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 16:37:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using state equation in 4888 ms returned unknown
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:35] [INFO ] [Real]Absence check using state equation in 4936 ms returned unknown
[2022-05-20 16:37:35] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2022-05-20 16:37:35] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:37:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:40] [INFO ] [Real]Absence check using state equation in 4903 ms returned unknown
[2022-05-20 16:37:40] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:37:40] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:37:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:45] [INFO ] [Real]Absence check using state equation in 4898 ms returned unknown
[2022-05-20 16:37:45] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 16:37:45] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:37:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:50] [INFO ] [Real]Absence check using state equation in 4933 ms returned unknown
[2022-05-20 16:37:50] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:37:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:37:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:55] [INFO ] [Real]Absence check using state equation in 4883 ms returned unknown
[2022-05-20 16:37:55] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:37:55] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2022-05-20 16:37:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:00] [INFO ] [Real]Absence check using state equation in 4921 ms returned unknown
[2022-05-20 16:38:00] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:38:00] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:38:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:05] [INFO ] [Real]Absence check using state equation in 4895 ms returned unknown
[2022-05-20 16:38:05] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:38:05] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:38:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:10] [INFO ] [Real]Absence check using state equation in 4916 ms returned unknown
[2022-05-20 16:38:10] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 16:38:10] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:38:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:15] [INFO ] [Real]Absence check using state equation in 4926 ms returned unknown
[2022-05-20 16:38:15] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:38:15] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 16:38:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:20] [INFO ] [Real]Absence check using state equation in 4900 ms returned unknown
[2022-05-20 16:38:20] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:38:20] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 16:38:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:38:25] [INFO ] [Real]Absence check using state equation in 4906 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[1, 1, 3, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 15 out of 639 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 626 transition count 31352
Applied a total of 13 rules in 648 ms. Remains 626 /639 variables (removed 13) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/639 places, 31352/31353 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:38:26] [INFO ] Computed 13 place invariants in 113 ms
Finished random walk after 945938 steps, including 2 resets, run visited all 15 properties in 30001 ms. (steps per millisecond=31 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3478 ms. (steps per millisecond=287 ) properties (out of 15) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2091 ms. (steps per millisecond=478 ) properties (out of 15) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2016 ms. (steps per millisecond=496 ) properties (out of 15) seen :18
FORMULA RERS17pb113-PT-4-UpperBounds-03 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2416 ms. (steps per millisecond=413 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 3553 ms. (steps per millisecond=281 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2144 ms. (steps per millisecond=466 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1687 ms. (steps per millisecond=592 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1657 ms. (steps per millisecond=603 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2188 ms. (steps per millisecond=457 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1696 ms. (steps per millisecond=589 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1658 ms. (steps per millisecond=603 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2799 ms. (steps per millisecond=357 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2108 ms. (steps per millisecond=474 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1966 ms. (steps per millisecond=508 ) properties (out of 14) seen :14
[2022-05-20 16:39:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:39:28] [INFO ] Computed 13 place invariants in 72 ms
[2022-05-20 16:39:28] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:39:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:39:40] [INFO ] [Real]Absence check using state equation in 11899 ms returned sat
[2022-05-20 16:39:40] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:39:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:39:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:39:52] [INFO ] [Nat]Absence check using state equation in 11222 ms returned sat
[2022-05-20 16:39:52] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 16:39:56] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:39:59] [INFO ] [Nat]Added 268 Read/Feed constraints in 6731 ms returned unknown
[2022-05-20 16:39:59] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 16:39:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:40:13] [INFO ] [Real]Absence check using state equation in 14567 ms returned sat
[2022-05-20 16:40:14] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:40:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:40:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:40:35] [INFO ] [Nat]Absence check using state equation in 20969 ms returned sat
[2022-05-20 16:40:38] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:40:41] [INFO ] [Nat]Added 268 Read/Feed constraints in 6550 ms returned unknown
[2022-05-20 16:40:42] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:40:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:41:01] [INFO ] [Real]Absence check using state equation in 19117 ms returned sat
[2022-05-20 16:41:01] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:41:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:41:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:41:18] [INFO ] [Nat]Absence check using state equation in 16177 ms returned sat
[2022-05-20 16:41:21] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:41:24] [INFO ] [Nat]Added 268 Read/Feed constraints in 6426 ms returned unknown
[2022-05-20 16:41:24] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:41:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:41:36] [INFO ] [Real]Absence check using state equation in 12277 ms returned sat
[2022-05-20 16:41:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:41:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:41:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:41:50] [INFO ] [Nat]Absence check using state equation in 13537 ms returned sat
[2022-05-20 16:41:54] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:41:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6601 ms returned unknown
[2022-05-20 16:41:57] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:41:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:42:12] [INFO ] [Real]Absence check using state equation in 14500 ms returned sat
[2022-05-20 16:42:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:42:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:42:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:42:30] [INFO ] [Nat]Absence check using state equation in 17370 ms returned sat
[2022-05-20 16:42:33] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:42:36] [INFO ] [Nat]Added 268 Read/Feed constraints in 6772 ms returned unknown
[2022-05-20 16:42:36] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 16:42:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:42:59] [INFO ] [Real]Absence check using state equation in 22796 ms returned sat
[2022-05-20 16:43:00] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:43:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:43:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:43:21] [INFO ] [Nat]Absence check using state equation in 21317 ms returned sat
[2022-05-20 16:43:25] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:43:28] [INFO ] [Nat]Added 268 Read/Feed constraints in 6432 ms returned unknown
[2022-05-20 16:43:28] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:43:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:43:44] [INFO ] [Real]Absence check using state equation in 16505 ms returned sat
[2022-05-20 16:43:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:43:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:43:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:44:00] [INFO ] [Nat]Absence check using state equation in 15748 ms returned sat
[2022-05-20 16:44:04] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:44:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 6755 ms returned unknown
[2022-05-20 16:44:07] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:44:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:44:29] [INFO ] [Real]Absence check using state equation in 21197 ms returned sat
[2022-05-20 16:44:29] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:44:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:44:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:44:43] [INFO ] [Nat]Absence check using state equation in 13636 ms returned sat
[2022-05-20 16:44:47] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:44:50] [INFO ] [Nat]Added 268 Read/Feed constraints in 6804 ms returned unknown
[2022-05-20 16:44:50] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:44:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:45:05] [INFO ] [Real]Absence check using state equation in 14743 ms returned sat
[2022-05-20 16:45:05] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:45:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:45:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:45:15] [INFO ] [Nat]Absence check using state equation in 10220 ms returned sat
[2022-05-20 16:45:19] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:45:22] [INFO ] [Nat]Added 268 Read/Feed constraints in 6803 ms returned unknown
[2022-05-20 16:45:22] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:45:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:45:36] [INFO ] [Real]Absence check using state equation in 13982 ms returned sat
[2022-05-20 16:45:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:45:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:45:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:45:50] [INFO ] [Nat]Absence check using state equation in 13201 ms returned sat
[2022-05-20 16:45:54] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:45:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6870 ms returned unknown
[2022-05-20 16:45:57] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:45:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:46:12] [INFO ] [Real]Absence check using state equation in 14636 ms returned sat
[2022-05-20 16:46:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:46:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:46:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:46:30] [INFO ] [Nat]Absence check using state equation in 17607 ms returned sat
[2022-05-20 16:46:34] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:46:37] [INFO ] [Nat]Added 268 Read/Feed constraints in 6851 ms returned unknown
[2022-05-20 16:46:37] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 16:46:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:46:46] [INFO ] [Real]Absence check using state equation in 8826 ms returned sat
[2022-05-20 16:46:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:46:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:46:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:47:04] [INFO ] [Nat]Absence check using state equation in 17173 ms returned sat
[2022-05-20 16:47:07] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:47:10] [INFO ] [Nat]Added 268 Read/Feed constraints in 6615 ms returned unknown
[2022-05-20 16:47:11] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2022-05-20 16:47:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:47:25] [INFO ] [Real]Absence check using state equation in 14034 ms returned sat
[2022-05-20 16:47:25] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:47:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:47:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:47:38] [INFO ] [Nat]Absence check using state equation in 12957 ms returned sat
[2022-05-20 16:47:42] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:47:45] [INFO ] [Nat]Added 268 Read/Feed constraints in 6646 ms returned unknown
[2022-05-20 16:47:45] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:47:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:47:56] [INFO ] [Real]Absence check using state equation in 11400 ms returned sat
[2022-05-20 16:47:57] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:47:57] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:47:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:48:11] [INFO ] [Nat]Absence check using state equation in 13939 ms returned sat
[2022-05-20 16:48:15] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:48:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 6678 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 317 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:48:18] [INFO ] Computed 13 place invariants in 96 ms
Finished random walk after 545224 steps, including 1 resets, run visited all 14 properties in 30001 ms. (steps per millisecond=18 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3968 ms. (steps per millisecond=252 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3306 ms. (steps per millisecond=302 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2902 ms. (steps per millisecond=344 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3040 ms. (steps per millisecond=328 ) properties (out of 14) seen :15
Interrupted Best-First random walk after 726663 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=145 ) properties seen 13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3641 ms. (steps per millisecond=274 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3090 ms. (steps per millisecond=323 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2697 ms. (steps per millisecond=370 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 4237 ms. (steps per millisecond=236 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3014 ms. (steps per millisecond=331 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3037 ms. (steps per millisecond=329 ) properties (out of 14) seen :15
Finished Best-First random walk after 841890 steps, including 2 resets, run visited all 14 properties in 5001 ms. (steps per millisecond=168 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4073 ms. (steps per millisecond=245 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3653 ms. (steps per millisecond=273 ) properties (out of 14) seen :15
[2022-05-20 16:49:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:49:39] [INFO ] Computed 13 place invariants in 99 ms
[2022-05-20 16:49:39] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2022-05-20 16:49:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:50:02] [INFO ] [Real]Absence check using state equation in 23092 ms returned sat
[2022-05-20 16:50:03] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:50:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:50:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:50:18] [INFO ] [Nat]Absence check using state equation in 15194 ms returned sat
[2022-05-20 16:50:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 16:50:22] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:50:25] [INFO ] [Nat]Added 268 Read/Feed constraints in 6801 ms returned unknown
[2022-05-20 16:50:25] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:50:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:50:37] [INFO ] [Real]Absence check using state equation in 11440 ms returned sat
[2022-05-20 16:50:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:50:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:50:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:51:01] [INFO ] [Nat]Absence check using state equation in 24210 ms returned sat
[2022-05-20 16:51:05] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:51:08] [INFO ] [Nat]Added 268 Read/Feed constraints in 6698 ms returned unknown
[2022-05-20 16:51:08] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2022-05-20 16:51:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:51:36] [INFO ] [Real]Absence check using state equation in 27366 ms returned sat
[2022-05-20 16:51:36] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:51:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:51:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:51:50] [INFO ] [Nat]Absence check using state equation in 13925 ms returned sat
[2022-05-20 16:51:54] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:51:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6615 ms returned unknown
[2022-05-20 16:51:57] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:51:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:52:10] [INFO ] [Real]Absence check using state equation in 13506 ms returned sat
[2022-05-20 16:52:11] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:52:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:52:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:52:27] [INFO ] [Nat]Absence check using state equation in 16192 ms returned sat
[2022-05-20 16:52:31] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:52:34] [INFO ] [Nat]Added 268 Read/Feed constraints in 6646 ms returned unknown
[2022-05-20 16:52:34] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 16:52:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:52:52] [INFO ] [Real]Absence check using state equation in 17902 ms returned sat
[2022-05-20 16:52:52] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:52:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:52:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:53:07] [INFO ] [Nat]Absence check using state equation in 15022 ms returned sat
[2022-05-20 16:53:11] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:53:14] [INFO ] [Nat]Added 268 Read/Feed constraints in 6588 ms returned unknown
[2022-05-20 16:53:14] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:53:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:53:32] [INFO ] [Real]Absence check using state equation in 18040 ms returned sat
[2022-05-20 16:53:33] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:53:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:53:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:53:51] [INFO ] [Nat]Absence check using state equation in 18149 ms returned sat
[2022-05-20 16:53:55] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:53:58] [INFO ] [Nat]Added 268 Read/Feed constraints in 6535 ms returned unknown
[2022-05-20 16:53:58] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:53:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:54:11] [INFO ] [Real]Absence check using state equation in 12977 ms returned sat
[2022-05-20 16:54:11] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:54:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:54:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:54:25] [INFO ] [Nat]Absence check using state equation in 13596 ms returned sat
[2022-05-20 16:54:28] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:54:31] [INFO ] [Nat]Added 268 Read/Feed constraints in 6408 ms returned unknown
[2022-05-20 16:54:31] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:54:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:54:52] [INFO ] [Real]Absence check using state equation in 20250 ms returned sat
[2022-05-20 16:54:52] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:54:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:54:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:55:13] [INFO ] [Nat]Absence check using state equation in 20816 ms returned sat
[2022-05-20 16:55:17] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:55:20] [INFO ] [Nat]Added 268 Read/Feed constraints in 6619 ms returned unknown
[2022-05-20 16:55:20] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 16:55:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:55:37] [INFO ] [Real]Absence check using state equation in 17073 ms returned sat
[2022-05-20 16:55:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:55:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:55:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:55:58] [INFO ] [Nat]Absence check using state equation in 20918 ms returned sat
[2022-05-20 16:56:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:56:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6699 ms returned unknown
[2022-05-20 16:56:05] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:56:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:56:23] [INFO ] [Real]Absence check using state equation in 18098 ms returned sat
[2022-05-20 16:56:24] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:56:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:56:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:56:40] [INFO ] [Nat]Absence check using state equation in 15917 ms returned sat
[2022-05-20 16:56:43] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:56:46] [INFO ] [Nat]Added 268 Read/Feed constraints in 6570 ms returned unknown
[2022-05-20 16:56:46] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 16:56:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:56:58] [INFO ] [Real]Absence check using state equation in 11761 ms returned sat
[2022-05-20 16:56:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:56:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:56:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:57:15] [INFO ] [Nat]Absence check using state equation in 16160 ms returned sat
[2022-05-20 16:57:18] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:57:21] [INFO ] [Nat]Added 268 Read/Feed constraints in 6626 ms returned unknown
[2022-05-20 16:57:21] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:57:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:57:40] [INFO ] [Real]Absence check using state equation in 18528 ms returned sat
[2022-05-20 16:57:40] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:57:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 16:57:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:57:53] [INFO ] [Nat]Absence check using state equation in 12459 ms returned sat
[2022-05-20 16:57:57] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:58:00] [INFO ] [Nat]Added 268 Read/Feed constraints in 6626 ms returned unknown
[2022-05-20 16:58:00] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 16:58:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:58:09] [INFO ] [Real]Absence check using state equation in 9739 ms returned sat
[2022-05-20 16:58:10] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:58:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 16:58:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:58:20] [INFO ] [Nat]Absence check using state equation in 9881 ms returned sat
[2022-05-20 16:58:23] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:58:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6477 ms returned unknown
[2022-05-20 16:58:26] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:58:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:58:41] [INFO ] [Real]Absence check using state equation in 14759 ms returned sat
[2022-05-20 16:58:42] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:58:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 16:58:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:59:00] [INFO ] [Nat]Absence check using state equation in 18209 ms returned sat
[2022-05-20 16:59:04] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 16:59:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 6650 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[3, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 401 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 373 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 16:59:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:59:07] [INFO ] Computed 13 place invariants in 75 ms
[2022-05-20 16:59:09] [INFO ] Implicit Places using invariants in 2044 ms returned []
Implicit Place search using SMT only with invariants took 2046 ms to find 0 implicit places.
[2022-05-20 16:59:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:59:10] [INFO ] Computed 13 place invariants in 76 ms
[2022-05-20 16:59:18] [INFO ] Dead Transitions using invariants and state equation in 8827 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 16:59:18] [INFO ] Computed 13 place invariants in 64 ms
Finished random walk after 533771 steps, including 1 resets, run visited all 14 properties in 30001 ms. (steps per millisecond=17 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3386 ms. (steps per millisecond=295 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2610 ms. (steps per millisecond=383 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2418 ms. (steps per millisecond=413 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2559 ms. (steps per millisecond=390 ) properties (out of 14) seen :15
Interrupted Best-First random walk after 936551 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=187 ) properties seen 13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3107 ms. (steps per millisecond=321 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2748 ms. (steps per millisecond=363 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2587 ms. (steps per millisecond=386 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3449 ms. (steps per millisecond=289 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2302 ms. (steps per millisecond=434 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2400 ms. (steps per millisecond=416 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4401 ms. (steps per millisecond=227 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3280 ms. (steps per millisecond=304 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2664 ms. (steps per millisecond=375 ) properties (out of 14) seen :14
[2022-05-20 17:00:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:00:31] [INFO ] Computed 13 place invariants in 93 ms
[2022-05-20 17:00:32] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:00:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:00:47] [INFO ] [Real]Absence check using state equation in 15266 ms returned sat
[2022-05-20 17:00:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:00:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:00:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:01:12] [INFO ] [Nat]Absence check using state equation in 24306 ms returned sat
[2022-05-20 17:01:12] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:01:15] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:01:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 6624 ms returned unknown
[2022-05-20 17:01:19] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:01:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:01:43] [INFO ] [Real]Absence check using state equation in 23966 ms returned sat
[2022-05-20 17:01:43] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:01:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:01:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:02:02] [INFO ] [Nat]Absence check using state equation in 18812 ms returned sat
[2022-05-20 17:02:06] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:02:09] [INFO ] [Nat]Added 268 Read/Feed constraints in 6607 ms returned unknown
[2022-05-20 17:02:09] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:02:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:02:32] [INFO ] [Real]Absence check using state equation in 22810 ms returned sat
[2022-05-20 17:02:32] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:02:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:02:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:02:51] [INFO ] [Nat]Absence check using state equation in 18228 ms returned sat
[2022-05-20 17:02:54] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:02:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6487 ms returned unknown
[2022-05-20 17:02:57] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:02:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:03:08] [INFO ] [Real]Absence check using state equation in 11020 ms returned sat
[2022-05-20 17:03:09] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:03:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2022-05-20 17:03:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:03:23] [INFO ] [Nat]Absence check using state equation in 14166 ms returned sat
[2022-05-20 17:03:27] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:03:30] [INFO ] [Nat]Added 268 Read/Feed constraints in 6911 ms returned unknown
[2022-05-20 17:03:30] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:03:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:03:48] [INFO ] [Real]Absence check using state equation in 17907 ms returned sat
[2022-05-20 17:03:48] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:03:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2022-05-20 17:03:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:04:02] [INFO ] [Nat]Absence check using state equation in 13703 ms returned sat
[2022-05-20 17:04:06] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:04:09] [INFO ] [Nat]Added 268 Read/Feed constraints in 6609 ms returned unknown
[2022-05-20 17:04:09] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:04:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:04:26] [INFO ] [Real]Absence check using state equation in 17299 ms returned sat
[2022-05-20 17:04:26] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:04:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:04:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:04:47] [INFO ] [Nat]Absence check using state equation in 20156 ms returned sat
[2022-05-20 17:04:50] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:04:53] [INFO ] [Nat]Added 268 Read/Feed constraints in 6610 ms returned unknown
[2022-05-20 17:04:53] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:04:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:05:06] [INFO ] [Real]Absence check using state equation in 12515 ms returned sat
[2022-05-20 17:05:06] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:05:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:05:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:05:20] [INFO ] [Nat]Absence check using state equation in 13483 ms returned sat
[2022-05-20 17:05:23] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:05:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6395 ms returned unknown
[2022-05-20 17:05:26] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:05:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:05:43] [INFO ] [Real]Absence check using state equation in 16415 ms returned sat
[2022-05-20 17:05:43] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:05:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:05:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:06:01] [INFO ] [Nat]Absence check using state equation in 17452 ms returned sat
[2022-05-20 17:06:04] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:06:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 6514 ms returned unknown
[2022-05-20 17:06:07] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:06:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:06:23] [INFO ] [Real]Absence check using state equation in 15511 ms returned sat
[2022-05-20 17:06:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:06:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:06:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:06:41] [INFO ] [Nat]Absence check using state equation in 17733 ms returned sat
[2022-05-20 17:06:45] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:06:48] [INFO ] [Nat]Added 268 Read/Feed constraints in 6472 ms returned unknown
[2022-05-20 17:06:48] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:06:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:07:04] [INFO ] [Real]Absence check using state equation in 16594 ms returned sat
[2022-05-20 17:07:05] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:07:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:07:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:07:20] [INFO ] [Nat]Absence check using state equation in 15146 ms returned sat
[2022-05-20 17:07:23] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:07:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6361 ms returned unknown
[2022-05-20 17:07:27] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:07:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:07:40] [INFO ] [Real]Absence check using state equation in 13273 ms returned sat
[2022-05-20 17:07:40] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:07:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:07:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:07:54] [INFO ] [Nat]Absence check using state equation in 13723 ms returned sat
[2022-05-20 17:07:57] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:08:00] [INFO ] [Nat]Added 268 Read/Feed constraints in 6384 ms returned unknown
[2022-05-20 17:08:00] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:08:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:08:21] [INFO ] [Real]Absence check using state equation in 20635 ms returned sat
[2022-05-20 17:08:22] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:08:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:08:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:08:43] [INFO ] [Nat]Absence check using state equation in 21136 ms returned sat
[2022-05-20 17:08:46] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:08:49] [INFO ] [Nat]Added 268 Read/Feed constraints in 6398 ms returned unknown
[2022-05-20 17:08:49] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:08:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:08:58] [INFO ] [Real]Absence check using state equation in 8635 ms returned sat
[2022-05-20 17:08:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:08:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:08:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:09:09] [INFO ] [Nat]Absence check using state equation in 10618 ms returned sat
[2022-05-20 17:09:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:09:16] [INFO ] [Nat]Added 268 Read/Feed constraints in 6546 ms returned unknown
[2022-05-20 17:09:16] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:09:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:09:30] [INFO ] [Real]Absence check using state equation in 14424 ms returned sat
[2022-05-20 17:09:31] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:09:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:09:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:09:46] [INFO ] [Nat]Absence check using state equation in 15569 ms returned sat
[2022-05-20 17:09:50] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:09:53] [INFO ] [Nat]Added 268 Read/Feed constraints in 6446 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[3, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 3, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 306 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 267 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:09:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:09:53] [INFO ] Computed 13 place invariants in 48 ms
[2022-05-20 17:09:55] [INFO ] Implicit Places using invariants in 2035 ms returned []
Implicit Place search using SMT only with invariants took 2036 ms to find 0 implicit places.
[2022-05-20 17:09:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:09:55] [INFO ] Computed 13 place invariants in 56 ms
[2022-05-20 17:10:04] [INFO ] Dead Transitions using invariants and state equation in 8895 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:10:04] [INFO ] Computed 13 place invariants in 89 ms
Finished random walk after 692384 steps, including 2 resets, run visited all 14 properties in 30001 ms. (steps per millisecond=23 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2653 ms. (steps per millisecond=376 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2210 ms. (steps per millisecond=452 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1990 ms. (steps per millisecond=502 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2048 ms. (steps per millisecond=488 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4082 ms. (steps per millisecond=244 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2214 ms. (steps per millisecond=451 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2031 ms. (steps per millisecond=492 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2119 ms. (steps per millisecond=471 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2879 ms. (steps per millisecond=347 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2044 ms. (steps per millisecond=489 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2042 ms. (steps per millisecond=489 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3755 ms. (steps per millisecond=266 ) properties (out of 14) seen :17
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2596 ms. (steps per millisecond=385 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2465 ms. (steps per millisecond=405 ) properties (out of 14) seen :15
[2022-05-20 17:11:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:11:10] [INFO ] Computed 13 place invariants in 73 ms
[2022-05-20 17:11:10] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:11:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:11:24] [INFO ] [Real]Absence check using state equation in 14420 ms returned sat
[2022-05-20 17:11:25] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:11:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:11:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:11:47] [INFO ] [Nat]Absence check using state equation in 22005 ms returned sat
[2022-05-20 17:11:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:11:51] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:11:54] [INFO ] [Nat]Added 268 Read/Feed constraints in 6601 ms returned unknown
[2022-05-20 17:11:54] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:11:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:12:17] [INFO ] [Real]Absence check using state equation in 23746 ms returned sat
[2022-05-20 17:12:18] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:12:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:12:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:12:34] [INFO ] [Nat]Absence check using state equation in 15478 ms returned sat
[2022-05-20 17:12:37] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:12:40] [INFO ] [Nat]Added 268 Read/Feed constraints in 6574 ms returned unknown
[2022-05-20 17:12:40] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:12:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:13:02] [INFO ] [Real]Absence check using state equation in 21525 ms returned sat
[2022-05-20 17:13:02] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:13:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:13:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:13:19] [INFO ] [Nat]Absence check using state equation in 16593 ms returned sat
[2022-05-20 17:13:23] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:13:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6559 ms returned unknown
[2022-05-20 17:13:26] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:13:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:13:37] [INFO ] [Real]Absence check using state equation in 11054 ms returned sat
[2022-05-20 17:13:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:13:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:13:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:13:51] [INFO ] [Nat]Absence check using state equation in 13889 ms returned sat
[2022-05-20 17:13:55] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:13:58] [INFO ] [Nat]Added 268 Read/Feed constraints in 6776 ms returned unknown
[2022-05-20 17:13:58] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:13:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:14:12] [INFO ] [Real]Absence check using state equation in 14308 ms returned sat
[2022-05-20 17:14:13] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:14:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:14:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:14:27] [INFO ] [Nat]Absence check using state equation in 14146 ms returned sat
[2022-05-20 17:14:30] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:14:33] [INFO ] [Nat]Added 268 Read/Feed constraints in 6353 ms returned unknown
[2022-05-20 17:14:33] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:14:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:14:52] [INFO ] [Real]Absence check using state equation in 18463 ms returned sat
[2022-05-20 17:14:52] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:14:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:14:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:15:12] [INFO ] [Nat]Absence check using state equation in 19733 ms returned sat
[2022-05-20 17:15:16] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:15:19] [INFO ] [Nat]Added 268 Read/Feed constraints in 6554 ms returned unknown
[2022-05-20 17:15:19] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:15:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:15:32] [INFO ] [Real]Absence check using state equation in 12895 ms returned sat
[2022-05-20 17:15:32] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:15:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:15:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:15:45] [INFO ] [Nat]Absence check using state equation in 12445 ms returned sat
[2022-05-20 17:15:48] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:15:51] [INFO ] [Nat]Added 268 Read/Feed constraints in 6389 ms returned unknown
[2022-05-20 17:15:51] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:15:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:16:08] [INFO ] [Real]Absence check using state equation in 16542 ms returned sat
[2022-05-20 17:16:08] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:16:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:16:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:16:25] [INFO ] [Nat]Absence check using state equation in 16851 ms returned sat
[2022-05-20 17:16:29] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:16:32] [INFO ] [Nat]Added 268 Read/Feed constraints in 6639 ms returned unknown
[2022-05-20 17:16:32] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:16:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:16:50] [INFO ] [Real]Absence check using state equation in 18468 ms returned sat
[2022-05-20 17:16:51] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:16:51] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:16:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:17:11] [INFO ] [Nat]Absence check using state equation in 20281 ms returned sat
[2022-05-20 17:17:15] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:17:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 6599 ms returned unknown
[2022-05-20 17:17:18] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:17:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:17:30] [INFO ] [Real]Absence check using state equation in 11939 ms returned sat
[2022-05-20 17:17:30] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:17:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:17:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:17:45] [INFO ] [Nat]Absence check using state equation in 14729 ms returned sat
[2022-05-20 17:17:49] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:17:52] [INFO ] [Nat]Added 268 Read/Feed constraints in 6545 ms returned unknown
[2022-05-20 17:17:52] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:17:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:18:07] [INFO ] [Real]Absence check using state equation in 15260 ms returned sat
[2022-05-20 17:18:07] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:18:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:18:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:18:20] [INFO ] [Nat]Absence check using state equation in 12062 ms returned sat
[2022-05-20 17:18:23] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:18:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6367 ms returned unknown
[2022-05-20 17:18:26] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:18:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:18:44] [INFO ] [Real]Absence check using state equation in 18265 ms returned sat
[2022-05-20 17:18:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:18:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:18:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:18:57] [INFO ] [Nat]Absence check using state equation in 12120 ms returned sat
[2022-05-20 17:19:01] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:19:04] [INFO ] [Nat]Added 268 Read/Feed constraints in 6711 ms returned unknown
[2022-05-20 17:19:04] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:19:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:19:12] [INFO ] [Real]Absence check using state equation in 8524 ms returned sat
[2022-05-20 17:19:13] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:19:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:19:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:19:22] [INFO ] [Nat]Absence check using state equation in 8526 ms returned sat
[2022-05-20 17:19:25] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:19:28] [INFO ] [Nat]Added 268 Read/Feed constraints in 6576 ms returned unknown
[2022-05-20 17:19:28] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:19:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:19:44] [INFO ] [Real]Absence check using state equation in 15557 ms returned sat
[2022-05-20 17:19:44] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:19:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:19:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:19:59] [INFO ] [Nat]Absence check using state equation in 14403 ms returned sat
[2022-05-20 17:20:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:20:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6549 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[3, 3, 1, 2, 2, 2, 1, 1, 1, 1, 1, 3, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 282 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 227 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:20:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:20:06] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 17:20:08] [INFO ] Implicit Places using invariants in 1835 ms returned []
Implicit Place search using SMT only with invariants took 1843 ms to find 0 implicit places.
[2022-05-20 17:20:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:20:08] [INFO ] Computed 13 place invariants in 47 ms
[2022-05-20 17:20:17] [INFO ] Dead Transitions using invariants and state equation in 8967 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:20:17] [INFO ] Computed 13 place invariants in 87 ms
Finished random walk after 603186 steps, including 1 resets, run visited all 14 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3026 ms. (steps per millisecond=330 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2457 ms. (steps per millisecond=407 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2189 ms. (steps per millisecond=456 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2387 ms. (steps per millisecond=418 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4751 ms. (steps per millisecond=210 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2767 ms. (steps per millisecond=361 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2427 ms. (steps per millisecond=412 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2319 ms. (steps per millisecond=431 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3192 ms. (steps per millisecond=313 ) properties (out of 14) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2268 ms. (steps per millisecond=440 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2264 ms. (steps per millisecond=441 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4016 ms. (steps per millisecond=249 ) properties (out of 14) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2804 ms. (steps per millisecond=356 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2592 ms. (steps per millisecond=385 ) properties (out of 14) seen :14
[2022-05-20 17:21:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:21:26] [INFO ] Computed 13 place invariants in 99 ms
[2022-05-20 17:21:27] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:21:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:21:40] [INFO ] [Real]Absence check using state equation in 13301 ms returned sat
[2022-05-20 17:21:40] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:21:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:21:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:21:59] [INFO ] [Nat]Absence check using state equation in 18373 ms returned sat
[2022-05-20 17:21:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:22:03] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:22:06] [INFO ] [Nat]Added 268 Read/Feed constraints in 6742 ms returned unknown
[2022-05-20 17:22:06] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:22:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:22:25] [INFO ] [Real]Absence check using state equation in 19003 ms returned sat
[2022-05-20 17:22:26] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:22:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:22:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:22:41] [INFO ] [Nat]Absence check using state equation in 15351 ms returned sat
[2022-05-20 17:22:45] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:22:48] [INFO ] [Nat]Added 268 Read/Feed constraints in 6538 ms returned unknown
[2022-05-20 17:22:48] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:22:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:22:57] [INFO ] [Real]Absence check using state equation in 9661 ms returned sat
[2022-05-20 17:22:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:22:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:22:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:23:08] [INFO ] [Nat]Absence check using state equation in 10356 ms returned sat
[2022-05-20 17:23:12] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:23:15] [INFO ] [Nat]Added 268 Read/Feed constraints in 6522 ms returned unknown
[2022-05-20 17:23:15] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:23:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:23:34] [INFO ] [Real]Absence check using state equation in 19451 ms returned sat
[2022-05-20 17:23:35] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:23:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:23:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:23:56] [INFO ] [Nat]Absence check using state equation in 20483 ms returned sat
[2022-05-20 17:23:59] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:24:02] [INFO ] [Nat]Added 268 Read/Feed constraints in 6776 ms returned unknown
[2022-05-20 17:24:02] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:24:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:24:23] [INFO ] [Real]Absence check using state equation in 21000 ms returned sat
[2022-05-20 17:24:24] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:24:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:24:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:24:43] [INFO ] [Nat]Absence check using state equation in 18644 ms returned sat
[2022-05-20 17:24:46] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:24:49] [INFO ] [Nat]Added 268 Read/Feed constraints in 6502 ms returned unknown
[2022-05-20 17:24:49] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:24:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:25:04] [INFO ] [Real]Absence check using state equation in 14752 ms returned sat
[2022-05-20 17:25:05] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:25:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:25:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:25:20] [INFO ] [Nat]Absence check using state equation in 15466 ms returned sat
[2022-05-20 17:25:24] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:25:27] [INFO ] [Nat]Added 268 Read/Feed constraints in 6605 ms returned unknown
[2022-05-20 17:25:27] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:25:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:25:38] [INFO ] [Real]Absence check using state equation in 11228 ms returned sat
[2022-05-20 17:25:39] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:25:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:25:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:25:54] [INFO ] [Nat]Absence check using state equation in 15385 ms returned sat
[2022-05-20 17:25:58] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:26:01] [INFO ] [Nat]Added 268 Read/Feed constraints in 6648 ms returned unknown
[2022-05-20 17:26:01] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:26:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:26:22] [INFO ] [Real]Absence check using state equation in 21312 ms returned sat
[2022-05-20 17:26:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:26:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:26:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:26:40] [INFO ] [Nat]Absence check using state equation in 17648 ms returned sat
[2022-05-20 17:26:44] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:26:47] [INFO ] [Nat]Added 268 Read/Feed constraints in 6517 ms returned unknown
[2022-05-20 17:26:47] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:26:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:27:03] [INFO ] [Real]Absence check using state equation in 15888 ms returned sat
[2022-05-20 17:27:03] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:27:04] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:27:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:27:22] [INFO ] [Nat]Absence check using state equation in 18461 ms returned sat
[2022-05-20 17:27:26] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:27:29] [INFO ] [Nat]Added 268 Read/Feed constraints in 6492 ms returned unknown
[2022-05-20 17:27:29] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:27:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:27:44] [INFO ] [Real]Absence check using state equation in 15778 ms returned sat
[2022-05-20 17:27:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:27:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:27:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:27:58] [INFO ] [Nat]Absence check using state equation in 13132 ms returned sat
[2022-05-20 17:28:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:28:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6570 ms returned unknown
[2022-05-20 17:28:05] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:28:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:28:18] [INFO ] [Real]Absence check using state equation in 13661 ms returned sat
[2022-05-20 17:28:19] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:28:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:28:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:28:32] [INFO ] [Nat]Absence check using state equation in 13516 ms returned sat
[2022-05-20 17:28:36] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:28:39] [INFO ] [Nat]Added 268 Read/Feed constraints in 6591 ms returned unknown
[2022-05-20 17:28:39] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:28:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:28:58] [INFO ] [Real]Absence check using state equation in 18645 ms returned sat
[2022-05-20 17:28:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:28:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:28:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:29:09] [INFO ] [Nat]Absence check using state equation in 10823 ms returned sat
[2022-05-20 17:29:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:29:16] [INFO ] [Nat]Added 268 Read/Feed constraints in 6497 ms returned unknown
[2022-05-20 17:29:16] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:29:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:29:25] [INFO ] [Real]Absence check using state equation in 9853 ms returned sat
[2022-05-20 17:29:26] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:29:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2022-05-20 17:29:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:29:34] [INFO ] [Nat]Absence check using state equation in 8310 ms returned sat
[2022-05-20 17:29:38] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:29:41] [INFO ] [Nat]Added 268 Read/Feed constraints in 6440 ms returned unknown
[2022-05-20 17:29:41] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:29:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:29:54] [INFO ] [Real]Absence check using state equation in 13590 ms returned sat
[2022-05-20 17:29:55] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:29:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:29:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:30:10] [INFO ] [Nat]Absence check using state equation in 14807 ms returned sat
[2022-05-20 17:30:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:30:16] [INFO ] [Nat]Added 268 Read/Feed constraints in 6559 ms returned unknown
Current structural bounds on expressions (after SMT) : [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] Max seen :[3, 3, 1, 2, 2, 2, 1, 1, 1, 1, 1, 3, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 184 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:30:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:30:17] [INFO ] Computed 13 place invariants in 82 ms
[2022-05-20 17:30:18] [INFO ] Implicit Places using invariants in 1776 ms returned []
Implicit Place search using SMT only with invariants took 1776 ms to find 0 implicit places.
[2022-05-20 17:30:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:30:19] [INFO ] Computed 13 place invariants in 38 ms
[2022-05-20 17:30:27] [INFO ] Dead Transitions using invariants and state equation in 8938 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-01
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:30:28] [INFO ] Computed 13 place invariants in 87 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 386 ms. (steps per millisecond=25 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
[2022-05-20 17:30:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:30:28] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 17:30:28] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:30:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:30:33] [INFO ] [Real]Absence check using state equation in 4930 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 270 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:30:34] [INFO ] Computed 13 place invariants in 82 ms
Finished random walk after 905733 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=30 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2782 ms. (steps per millisecond=359 ) properties (out of 1) seen :2
[2022-05-20 17:31:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:31:06] [INFO ] Computed 13 place invariants in 81 ms
[2022-05-20 17:31:07] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:31:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:31:18] [INFO ] [Real]Absence check using state equation in 11438 ms returned sat
[2022-05-20 17:31:18] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:31:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:31:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:31:29] [INFO ] [Nat]Absence check using state equation in 10343 ms returned sat
[2022-05-20 17:31:29] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:31:33] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:31:36] [INFO ] [Nat]Added 268 Read/Feed constraints in 6693 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 215 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 202 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:31:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:31:36] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 17:31:38] [INFO ] Implicit Places using invariants in 1679 ms returned []
Implicit Place search using SMT only with invariants took 1683 ms to find 0 implicit places.
[2022-05-20 17:31:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:31:38] [INFO ] Computed 13 place invariants in 77 ms
[2022-05-20 17:31:46] [INFO ] Dead Transitions using invariants and state equation in 8678 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:31:47] [INFO ] Computed 13 place invariants in 75 ms
Finished random walk after 860009 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=28 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2618 ms. (steps per millisecond=381 ) properties (out of 1) seen :2
[2022-05-20 17:32:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:32:19] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 17:32:19] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:32:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:32:31] [INFO ] [Real]Absence check using state equation in 11705 ms returned sat
[2022-05-20 17:32:31] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:32:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:32:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:32:42] [INFO ] [Nat]Absence check using state equation in 10380 ms returned sat
[2022-05-20 17:32:42] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:32:46] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:32:49] [INFO ] [Nat]Added 268 Read/Feed constraints in 6559 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 267 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 216 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:32:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:32:49] [INFO ] Computed 13 place invariants in 76 ms
[2022-05-20 17:32:51] [INFO ] Implicit Places using invariants in 1884 ms returned []
Implicit Place search using SMT only with invariants took 1886 ms to find 0 implicit places.
[2022-05-20 17:32:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:32:51] [INFO ] Computed 13 place invariants in 82 ms
[2022-05-20 17:33:00] [INFO ] Dead Transitions using invariants and state equation in 8676 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-01 in 152387 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-02
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:00] [INFO ] Computed 13 place invariants in 80 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 425 ms. (steps per millisecond=23 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
[2022-05-20 17:33:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:01] [INFO ] Computed 13 place invariants in 82 ms
[2022-05-20 17:33:01] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:33:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:33:06] [INFO ] [Real]Absence check using state equation in 4893 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 253 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:06] [INFO ] Computed 13 place invariants in 82 ms
Finished random walk after 921380 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=30 )
FORMULA RERS17pb113-PT-4-UpperBounds-02 4 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-02 in 36155 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-04
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:36] [INFO ] Computed 13 place invariants in 94 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 367 ms. (steps per millisecond=27 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
[2022-05-20 17:33:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:37] [INFO ] Computed 13 place invariants in 52 ms
[2022-05-20 17:33:37] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:33:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:33:42] [INFO ] [Real]Absence check using state equation in 4920 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 297 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:33:42] [INFO ] Computed 13 place invariants in 89 ms
Finished random walk after 946657 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=31 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1836 ms. (steps per millisecond=544 ) properties (out of 1) seen :1
[2022-05-20 17:34:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:34:14] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 17:34:14] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:34:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:34:32] [INFO ] [Real]Absence check using state equation in 17579 ms returned sat
[2022-05-20 17:34:32] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:34:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:34:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:34:46] [INFO ] [Nat]Absence check using state equation in 14236 ms returned sat
[2022-05-20 17:34:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:34:50] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:34:53] [INFO ] [Nat]Added 268 Read/Feed constraints in 6545 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 180 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:34:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:34:54] [INFO ] Computed 13 place invariants in 77 ms
[2022-05-20 17:34:55] [INFO ] Implicit Places using invariants in 1686 ms returned []
Implicit Place search using SMT only with invariants took 1687 ms to find 0 implicit places.
[2022-05-20 17:34:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:34:55] [INFO ] Computed 13 place invariants in 37 ms
[2022-05-20 17:35:03] [INFO ] Dead Transitions using invariants and state equation in 8378 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-04 in 87558 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-05
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:35:04] [INFO ] Computed 13 place invariants in 73 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 351 ms. (steps per millisecond=28 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
[2022-05-20 17:35:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:35:04] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 17:35:04] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:35:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:35:09] [INFO ] [Real]Absence check using state equation in 4923 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 240 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:35:10] [INFO ] Computed 13 place invariants in 92 ms
Finished random walk after 928605 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=30 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1950 ms. (steps per millisecond=512 ) properties (out of 1) seen :1
[2022-05-20 17:35:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:35:42] [INFO ] Computed 13 place invariants in 86 ms
[2022-05-20 17:35:42] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:35:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:35:58] [INFO ] [Real]Absence check using state equation in 15880 ms returned sat
[2022-05-20 17:35:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:35:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:35:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:36:09] [INFO ] [Nat]Absence check using state equation in 10785 ms returned sat
[2022-05-20 17:36:09] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:36:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:36:16] [INFO ] [Nat]Added 268 Read/Feed constraints in 6588 ms returned unknown
Current structural bounds on expressions (after SMT) : [4] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 205 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:36:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:36:16] [INFO ] Computed 13 place invariants in 91 ms
[2022-05-20 17:36:18] [INFO ] Implicit Places using invariants in 1813 ms returned []
Implicit Place search using SMT only with invariants took 1815 ms to find 0 implicit places.
[2022-05-20 17:36:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:36:18] [INFO ] Computed 13 place invariants in 85 ms
[2022-05-20 17:36:27] [INFO ] Dead Transitions using invariants and state equation in 8912 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:36:27] [INFO ] Computed 13 place invariants in 84 ms
Finished random walk after 856484 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=28 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2220 ms. (steps per millisecond=450 ) properties (out of 1) seen :1
[2022-05-20 17:36:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:36:59] [INFO ] Computed 13 place invariants in 41 ms
[2022-05-20 17:36:59] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:36:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.

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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 UpperBounds -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 3600 -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="RERS17pb113-PT-4"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is RERS17pb113-PT-4, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r186-tajo-165281571700029"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-4.tgz
mv RERS17pb113-PT-4 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;