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-165281571700061.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-8, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r186-tajo-165281571700061
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 8.1K Apr 30 05:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Apr 30 05:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 30 05:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Apr 30 05:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K May 9 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 08:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 9 08:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:32 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-8-UpperBounds-00
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-01
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-02
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-03
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-04
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-05
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-06
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-07
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-08
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-09
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-10
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-11
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-12
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-13
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-14
FORMULA_NAME RERS17pb113-PT-8-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1653068287020

Running Version 202205111006
[2022-05-20 17:38:08] [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 17:38:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 17:38:09] [INFO ] Load time of PNML (sax parser for PT used): 706 ms
[2022-05-20 17:38:09] [INFO ] Transformed 639 places.
[2022-05-20 17:38:09] [INFO ] Transformed 31353 transitions.
[2022-05-20 17:38:09] [INFO ] Parsed PT model containing 639 places and 31353 transitions in 945 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Normalized transition count is 18326 out of 31353 initially.
// Phase 1: matrix 18326 rows 639 cols
[2022-05-20 17:38:09] [INFO ] Computed 25 place invariants in 119 ms
FORMULA RERS17pb113-PT-8-UpperBounds-13 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 538 ms. (steps per millisecond=18 ) properties (out of 15) seen :36
FORMULA RERS17pb113-PT-8-UpperBounds-08 8 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-8-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 13) 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 13) 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 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 13) 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 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 13) seen :0
[2022-05-20 17:38:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2022-05-20 17:38:10] [INFO ] Computed 25 place invariants in 125 ms
[2022-05-20 17:38:11] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:38:11] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2022-05-20 17:38:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:16] [INFO ] [Real]Absence check using state equation in 4820 ms returned unknown
[2022-05-20 17:38:16] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:38:16] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:38:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:21] [INFO ] [Real]Absence check using state equation in 4931 ms returned unknown
[2022-05-20 17:38:21] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:38:21] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2022-05-20 17:38:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:26] [INFO ] [Real]Absence check using state equation in 4921 ms returned unknown
[2022-05-20 17:38:26] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:38:26] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:38:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:31] [INFO ] [Real]Absence check using state equation in 4885 ms returned unknown
[2022-05-20 17:38:31] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:38:31] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2022-05-20 17:38:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:36] [INFO ] [Real]Absence check using state equation in 4927 ms returned unknown
[2022-05-20 17:38:36] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:38:36] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2022-05-20 17:38:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:41] [INFO ] [Real]Absence check using state equation in 4950 ms returned unknown
[2022-05-20 17:38:41] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:38:41] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:38:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:46] [INFO ] [Real]Absence check using state equation in 4915 ms returned unknown
[2022-05-20 17:38:46] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:38:46] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:38:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:51] [INFO ] [Real]Absence check using state equation in 4934 ms returned unknown
[2022-05-20 17:38:51] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:38:51] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 17:38:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:38:56] [INFO ] [Real]Absence check using state equation in 4913 ms returned unknown
[2022-05-20 17:38:56] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:38:56] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:38:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:39:01] [INFO ] [Real]Absence check using state equation in 4899 ms returned unknown
[2022-05-20 17:39:01] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2022-05-20 17:39:01] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2022-05-20 17:39:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:39:06] [INFO ] [Real]Absence check using state equation in 4893 ms returned unknown
[2022-05-20 17:39:06] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:39:06] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:39:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:39:11] [INFO ] [Real]Absence check using state equation in 4893 ms returned unknown
[2022-05-20 17:39:11] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:39:11] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2022-05-20 17:39:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:39:16] [INFO ] [Real]Absence check using state equation in 4935 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[1, 4, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 6]
Support contains 13 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 776 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 17:39:17] [INFO ] Computed 13 place invariants in 52 ms
Finished random walk after 930449 steps, including 2 resets, run visited all 13 properties in 30001 ms. (steps per millisecond=31 )
FORMULA RERS17pb113-PT-8-UpperBounds-01 8 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1805 ms. (steps per millisecond=554 ) properties (out of 12) seen :18
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2363 ms. (steps per millisecond=423 ) properties (out of 12) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1759 ms. (steps per millisecond=568 ) properties (out of 12) seen :18
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1738 ms. (steps per millisecond=575 ) properties (out of 12) seen :18
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1866 ms. (steps per millisecond=535 ) properties (out of 12) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1956 ms. (steps per millisecond=511 ) properties (out of 12) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1980 ms. (steps per millisecond=505 ) properties (out of 12) seen :21
FORMULA RERS17pb113-PT-8-UpperBounds-09 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1560 ms. (steps per millisecond=641 ) properties (out of 11) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1897 ms. (steps per millisecond=527 ) properties (out of 11) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2166 ms. (steps per millisecond=461 ) properties (out of 11) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3675 ms. (steps per millisecond=272 ) properties (out of 11) seen :15
FORMULA RERS17pb113-PT-8-UpperBounds-15 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2022-05-20 17:40:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:40:10] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 17:40:10] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:40:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:40:23] [INFO ] [Real]Absence check using state equation in 13633 ms returned sat
[2022-05-20 17:40:24] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:40:28] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:40:31] [INFO ] [Real]Added 268 Read/Feed constraints in 6546 ms returned unknown
[2022-05-20 17:40:31] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 17:40:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:40:44] [INFO ] [Real]Absence check using state equation in 12924 ms returned sat
[2022-05-20 17:40:44] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:40:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:40:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:41:01] [INFO ] [Nat]Absence check using state equation in 17154 ms returned sat
[2022-05-20 17:41:05] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:41:08] [INFO ] [Nat]Added 268 Read/Feed constraints in 6427 ms returned unknown
[2022-05-20 17:41:08] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:41:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:41:18] [INFO ] [Real]Absence check using state equation in 9747 ms returned sat
[2022-05-20 17:41:21] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:41:24] [INFO ] [Real]Added 268 Read/Feed constraints in 6510 ms returned unknown
[2022-05-20 17:41:24] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:41:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:41:36] [INFO ] [Real]Absence check using state equation in 11350 ms returned sat
[2022-05-20 17:41:36] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:41:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:41:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:41:48] [INFO ] [Nat]Absence check using state equation in 11436 ms returned sat
[2022-05-20 17:41:51] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:41:54] [INFO ] [Nat]Added 268 Read/Feed constraints in 6328 ms returned unknown
[2022-05-20 17:41:54] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:41:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:42:06] [INFO ] [Real]Absence check using state equation in 12100 ms returned sat
[2022-05-20 17:42:07] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:42:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:42:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:42:22] [INFO ] [Nat]Absence check using state equation in 15364 ms returned sat
[2022-05-20 17:42:26] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:42:29] [INFO ] [Nat]Added 268 Read/Feed constraints in 6447 ms returned unknown
[2022-05-20 17:42:29] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:42:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:42:42] [INFO ] [Real]Absence check using state equation in 13144 ms returned sat
[2022-05-20 17:42:42] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:42:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:42:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:42:57] [INFO ] [Nat]Absence check using state equation in 15009 ms returned sat
[2022-05-20 17:43:01] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:43:04] [INFO ] [Nat]Added 268 Read/Feed constraints in 6346 ms returned unknown
[2022-05-20 17:43:04] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:43:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:43:14] [INFO ] [Real]Absence check using state equation in 10302 ms returned sat
[2022-05-20 17:43:15] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:43:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:43:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:43:26] [INFO ] [Nat]Absence check using state equation in 11740 ms returned sat
[2022-05-20 17:43:30] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:43:33] [INFO ] [Nat]Added 268 Read/Feed constraints in 6385 ms returned unknown
[2022-05-20 17:43:33] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:43:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:43:45] [INFO ] [Real]Absence check using state equation in 11685 ms returned sat
[2022-05-20 17:43:45] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:43:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:43:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:43:58] [INFO ] [Nat]Absence check using state equation in 13219 ms returned sat
[2022-05-20 17:44:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:44:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6357 ms returned unknown
[2022-05-20 17:44:05] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 17:44:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:44:20] [INFO ] [Real]Absence check using state equation in 14938 ms returned sat
[2022-05-20 17:44:20] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:44:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:44:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:44:31] [INFO ] [Nat]Absence check using state equation in 10552 ms returned sat
[2022-05-20 17:44:34] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:44:37] [INFO ] [Nat]Added 268 Read/Feed constraints in 6418 ms returned unknown
[2022-05-20 17:44:37] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:44:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:44:55] [INFO ] [Real]Absence check using state equation in 17382 ms returned sat
[2022-05-20 17:44:55] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:44:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:44:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:45:13] [INFO ] [Nat]Absence check using state equation in 17660 ms returned sat
[2022-05-20 17:45:16] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:45:19] [INFO ] [Nat]Added 268 Read/Feed constraints in 6547 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[2, 1, 2, 1, 1, 2, 1, 1, 3, 3]
Support contains 10 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 243 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 17:45:39] [INFO ] Computed 13 place invariants in 96 ms
Finished random walk after 605188 steps, including 1 resets, run visited all 10 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3240 ms. (steps per millisecond=308 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 4959 ms. (steps per millisecond=201 ) properties (out of 10) seen :8
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3330 ms. (steps per millisecond=300 ) properties (out of 10) seen :8
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2772 ms. (steps per millisecond=360 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2857 ms. (steps per millisecond=350 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2621 ms. (steps per millisecond=381 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2477 ms. (steps per millisecond=403 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2219 ms. (steps per millisecond=450 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2866 ms. (steps per millisecond=348 ) properties (out of 10) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3535 ms. (steps per millisecond=282 ) properties (out of 10) seen :9
[2022-05-20 17:46:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:46:40] [INFO ] Computed 13 place invariants in 87 ms
[2022-05-20 17:46:40] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:46:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:46:58] [INFO ] [Real]Absence check using state equation in 18105 ms returned sat
[2022-05-20 17:46:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:47:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:47:05] [INFO ] [Real]Added 268 Read/Feed constraints in 6416 ms returned unknown
[2022-05-20 17:47:05] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:47:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:47:23] [INFO ] [Real]Absence check using state equation in 17657 ms returned sat
[2022-05-20 17:47:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:47:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:47:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:47:46] [INFO ] [Nat]Absence check using state equation in 22436 ms returned sat
[2022-05-20 17:47:49] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:47:52] [INFO ] [Nat]Added 268 Read/Feed constraints in 6495 ms returned unknown
[2022-05-20 17:47:52] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:47:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:48:07] [INFO ] [Real]Absence check using state equation in 14451 ms returned sat
[2022-05-20 17:48:11] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:48:14] [INFO ] [Real]Added 268 Read/Feed constraints in 6557 ms returned unknown
[2022-05-20 17:48:14] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:48:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:48:30] [INFO ] [Real]Absence check using state equation in 16171 ms returned sat
[2022-05-20 17:48:30] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:48:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:48:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:48:45] [INFO ] [Nat]Absence check using state equation in 15126 ms returned sat
[2022-05-20 17:48:49] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:48:52] [INFO ] [Nat]Added 268 Read/Feed constraints in 6548 ms returned unknown
[2022-05-20 17:48:52] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 17:48:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:49:04] [INFO ] [Real]Absence check using state equation in 12254 ms returned sat
[2022-05-20 17:49:05] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:49:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:49:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:49:19] [INFO ] [Nat]Absence check using state equation in 13728 ms returned sat
[2022-05-20 17:49:22] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:49:25] [INFO ] [Nat]Added 268 Read/Feed constraints in 6543 ms returned unknown
[2022-05-20 17:49:25] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:49:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:49:40] [INFO ] [Real]Absence check using state equation in 15159 ms returned sat
[2022-05-20 17:49:41] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:49:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:49:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:49:51] [INFO ] [Nat]Absence check using state equation in 9992 ms returned sat
[2022-05-20 17:49:54] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:49:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6531 ms returned unknown
[2022-05-20 17:49:57] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:49:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:50:07] [INFO ] [Real]Absence check using state equation in 9850 ms returned sat
[2022-05-20 17:50:08] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:50:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:50:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:50:19] [INFO ] [Nat]Absence check using state equation in 11101 ms returned sat
[2022-05-20 17:50:22] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:50:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 6589 ms returned unknown
[2022-05-20 17:50:26] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2022-05-20 17:50:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:50:37] [INFO ] [Real]Absence check using state equation in 11518 ms returned sat
[2022-05-20 17:50:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:50:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 13 ms returned sat
[2022-05-20 17:50:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:50:52] [INFO ] [Nat]Absence check using state equation in 13921 ms returned sat
[2022-05-20 17:50:55] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:50:58] [INFO ] [Nat]Added 268 Read/Feed constraints in 6569 ms returned unknown
[2022-05-20 17:50:58] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:50:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:51:16] [INFO ] [Real]Absence check using state equation in 17877 ms returned sat
[2022-05-20 17:51:16] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:51:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:51:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:51:27] [INFO ] [Nat]Absence check using state equation in 10170 ms returned sat
[2022-05-20 17:51:30] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:51:33] [INFO ] [Nat]Added 268 Read/Feed constraints in 6550 ms returned unknown
[2022-05-20 17:51:33] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:51:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:51:51] [INFO ] [Real]Absence check using state equation in 18021 ms returned sat
[2022-05-20 17:51:52] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:51:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:51:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:52:08] [INFO ] [Nat]Absence check using state equation in 16054 ms returned sat
[2022-05-20 17:52:11] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:52:14] [INFO ] [Nat]Added 268 Read/Feed constraints in 6457 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[2, 1, 2, 1, 2, 2, 1, 1, 3, 3]
Support contains 10 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 275 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 305 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:52:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:52:35] [INFO ] Computed 13 place invariants in 62 ms
[2022-05-20 17:52:37] [INFO ] Implicit Places using invariants in 2248 ms returned []
Implicit Place search using SMT only with invariants took 2249 ms to find 0 implicit places.
[2022-05-20 17:52:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:52:37] [INFO ] Computed 13 place invariants in 47 ms
[2022-05-20 17:52:45] [INFO ] Dead Transitions using invariants and state equation in 7567 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 17:52:45] [INFO ] Computed 13 place invariants in 50 ms
Finished random walk after 775392 steps, including 2 resets, run visited all 10 properties in 30001 ms. (steps per millisecond=25 )
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2343 ms. (steps per millisecond=426 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3222 ms. (steps per millisecond=310 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2469 ms. (steps per millisecond=405 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2031 ms. (steps per millisecond=492 ) properties (out of 10) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2553 ms. (steps per millisecond=391 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2191 ms. (steps per millisecond=456 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2120 ms. (steps per millisecond=471 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1942 ms. (steps per millisecond=514 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2216 ms. (steps per millisecond=451 ) properties (out of 10) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2589 ms. (steps per millisecond=386 ) properties (out of 10) seen :9
[2022-05-20 17:53:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:53:39] [INFO ] Computed 13 place invariants in 86 ms
[2022-05-20 17:53:39] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:53:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:53:54] [INFO ] [Real]Absence check using state equation in 15290 ms returned sat
[2022-05-20 17:53:55] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 17:53:58] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:54:01] [INFO ] [Real]Added 268 Read/Feed constraints in 6607 ms returned unknown
[2022-05-20 17:54:01] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:54:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:54:12] [INFO ] [Real]Absence check using state equation in 10784 ms returned sat
[2022-05-20 17:54:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:54:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 17:54:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:54:21] [INFO ] [Nat]Absence check using state equation in 8583 ms returned sat
[2022-05-20 17:54:24] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:54:27] [INFO ] [Nat]Added 268 Read/Feed constraints in 6382 ms returned unknown
[2022-05-20 17:54:27] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:54:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:54:38] [INFO ] [Real]Absence check using state equation in 10613 ms returned sat
[2022-05-20 17:54:42] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:54:45] [INFO ] [Real]Added 268 Read/Feed constraints in 6439 ms returned unknown
[2022-05-20 17:54:45] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:54:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:54:56] [INFO ] [Real]Absence check using state equation in 11095 ms returned sat
[2022-05-20 17:55:00] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:55:03] [INFO ] [Real]Added 268 Read/Feed constraints in 6538 ms returned unknown
[2022-05-20 17:55:03] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:55:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:55:14] [INFO ] [Real]Absence check using state equation in 11103 ms returned sat
[2022-05-20 17:55:14] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:55:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 17:55:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:55:28] [INFO ] [Nat]Absence check using state equation in 13689 ms returned sat
[2022-05-20 17:55:32] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:55:35] [INFO ] [Nat]Added 268 Read/Feed constraints in 6362 ms returned unknown
[2022-05-20 17:55:35] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 17:55:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:55:50] [INFO ] [Real]Absence check using state equation in 15003 ms returned sat
[2022-05-20 17:55:50] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:55:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:55:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:56:02] [INFO ] [Nat]Absence check using state equation in 11783 ms returned sat
[2022-05-20 17:56:05] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:56:08] [INFO ] [Nat]Added 268 Read/Feed constraints in 6338 ms returned unknown
[2022-05-20 17:56:08] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:56:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:56:17] [INFO ] [Real]Absence check using state equation in 8784 ms returned sat
[2022-05-20 17:56:17] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:56:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2022-05-20 17:56:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:56:28] [INFO ] [Nat]Absence check using state equation in 10669 ms returned sat
[2022-05-20 17:56:32] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:56:35] [INFO ] [Nat]Added 268 Read/Feed constraints in 6391 ms returned unknown
[2022-05-20 17:56:35] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:56:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:56:47] [INFO ] [Real]Absence check using state equation in 11915 ms returned sat
[2022-05-20 17:56:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:56:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:56:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:56:59] [INFO ] [Nat]Absence check using state equation in 11491 ms returned sat
[2022-05-20 17:57:02] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:57:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6446 ms returned unknown
[2022-05-20 17:57:05] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:57:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:57:15] [INFO ] [Real]Absence check using state equation in 9576 ms returned sat
[2022-05-20 17:57:15] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:57:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 17:57:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:57:28] [INFO ] [Nat]Absence check using state equation in 12471 ms returned sat
[2022-05-20 17:57:31] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:57:34] [INFO ] [Nat]Added 268 Read/Feed constraints in 6467 ms returned unknown
[2022-05-20 17:57:34] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 17:57:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 17:57:50] [INFO ] [Real]Absence check using state equation in 15915 ms returned sat
[2022-05-20 17:57:50] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 17:57:51] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 17:57:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 17:58:07] [INFO ] [Nat]Absence check using state equation in 16277 ms returned sat
[2022-05-20 17:58:10] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 17:58:13] [INFO ] [Nat]Added 268 Read/Feed constraints in 6437 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[2, 3, 2, 2, 2, 2, 1, 1, 4, 3]
Support contains 10 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 199 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 191 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 17:58:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:58:47] [INFO ] Computed 13 place invariants in 87 ms
[2022-05-20 17:58:48] [INFO ] Implicit Places using invariants in 1733 ms returned []
Implicit Place search using SMT only with invariants took 1733 ms to find 0 implicit places.
[2022-05-20 17:58:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:58:48] [INFO ] Computed 13 place invariants in 51 ms
[2022-05-20 17:58:56] [INFO ] Dead Transitions using invariants and state equation in 7679 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 17:58:56] [INFO ] Computed 13 place invariants in 63 ms
Finished random walk after 909617 steps, including 2 resets, run visited all 10 properties in 30001 ms. (steps per millisecond=30 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2018 ms. (steps per millisecond=495 ) properties (out of 10) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2871 ms. (steps per millisecond=348 ) properties (out of 10) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2354 ms. (steps per millisecond=424 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1711 ms. (steps per millisecond=584 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2407 ms. (steps per millisecond=415 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1926 ms. (steps per millisecond=519 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2044 ms. (steps per millisecond=489 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1877 ms. (steps per millisecond=532 ) properties (out of 10) seen :10
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2163 ms. (steps per millisecond=462 ) properties (out of 10) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2416 ms. (steps per millisecond=413 ) properties (out of 10) seen :8
[2022-05-20 17:59:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 17:59:48] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 17:59:48] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 17:59:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:00:03] [INFO ] [Real]Absence check using state equation in 15339 ms returned sat
[2022-05-20 18:00:04] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:00:07] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:00:10] [INFO ] [Real]Added 268 Read/Feed constraints in 6536 ms returned unknown
[2022-05-20 18:00:10] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2022-05-20 18:00:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:00:23] [INFO ] [Real]Absence check using state equation in 12490 ms returned sat
[2022-05-20 18:00:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:00:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:00:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:00:33] [INFO ] [Nat]Absence check using state equation in 9875 ms returned sat
[2022-05-20 18:00:37] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:00:40] [INFO ] [Nat]Added 268 Read/Feed constraints in 6521 ms returned unknown
[2022-05-20 18:00:40] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:00:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:00:51] [INFO ] [Real]Absence check using state equation in 11490 ms returned sat
[2022-05-20 18:00:55] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:00:58] [INFO ] [Real]Added 268 Read/Feed constraints in 6535 ms returned unknown
[2022-05-20 18:00:58] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:00:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:01:10] [INFO ] [Real]Absence check using state equation in 11487 ms returned sat
[2022-05-20 18:01:14] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:01:17] [INFO ] [Real]Added 268 Read/Feed constraints in 6585 ms returned unknown
[2022-05-20 18:01:17] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:01:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:01:28] [INFO ] [Real]Absence check using state equation in 10917 ms returned sat
[2022-05-20 18:01:28] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:01:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:01:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:01:40] [INFO ] [Nat]Absence check using state equation in 12164 ms returned sat
[2022-05-20 18:01:44] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:01:47] [INFO ] [Nat]Added 268 Read/Feed constraints in 6352 ms returned unknown
[2022-05-20 18:01:47] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:01:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:02:01] [INFO ] [Real]Absence check using state equation in 14372 ms returned sat
[2022-05-20 18:02:02] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:02:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:02:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:02:11] [INFO ] [Nat]Absence check using state equation in 9061 ms returned sat
[2022-05-20 18:02:14] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:02:17] [INFO ] [Nat]Added 268 Read/Feed constraints in 6456 ms returned unknown
[2022-05-20 18:02:17] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:02:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:02:27] [INFO ] [Real]Absence check using state equation in 9305 ms returned sat
[2022-05-20 18:02:27] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:02:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:02:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:02:37] [INFO ] [Nat]Absence check using state equation in 10048 ms returned sat
[2022-05-20 18:02:41] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:02:44] [INFO ] [Nat]Added 268 Read/Feed constraints in 6571 ms returned unknown
[2022-05-20 18:02:44] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:02:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:02:55] [INFO ] [Real]Absence check using state equation in 10904 ms returned sat
[2022-05-20 18:02:55] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:02:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:02:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:03:07] [INFO ] [Nat]Absence check using state equation in 12063 ms returned sat
[2022-05-20 18:03:11] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:03:14] [INFO ] [Nat]Added 268 Read/Feed constraints in 6442 ms returned unknown
[2022-05-20 18:03:14] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:03:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:03:24] [INFO ] [Real]Absence check using state equation in 10431 ms returned sat
[2022-05-20 18:03:25] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:03:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 18:03:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:03:37] [INFO ] [Nat]Absence check using state equation in 12454 ms returned sat
[2022-05-20 18:03:41] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:03:44] [INFO ] [Nat]Added 268 Read/Feed constraints in 6437 ms returned unknown
[2022-05-20 18:03:44] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:03:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:04:00] [INFO ] [Real]Absence check using state equation in 15837 ms returned sat
[2022-05-20 18:04:00] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:04:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:04:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:04:16] [INFO ] [Nat]Absence check using state equation in 16386 ms returned sat
[2022-05-20 18:04:20] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:04:23] [INFO ] [Nat]Added 268 Read/Feed constraints in 6401 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[2, 3, 2, 2, 2, 2, 1, 1, 4, 3]
FORMULA RERS17pb113-PT-8-UpperBounds-03 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 9 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 207 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 18:04:56] [INFO ] Computed 13 place invariants in 93 ms
Finished random walk after 913983 steps, including 2 resets, run visited all 9 properties in 30001 ms. (steps per millisecond=30 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1875 ms. (steps per millisecond=533 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2263 ms. (steps per millisecond=441 ) properties (out of 9) seen :8
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1600 ms. (steps per millisecond=625 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2410 ms. (steps per millisecond=414 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1811 ms. (steps per millisecond=552 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1916 ms. (steps per millisecond=521 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1650 ms. (steps per millisecond=606 ) properties (out of 9) seen :9
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2204 ms. (steps per millisecond=453 ) properties (out of 9) seen :11
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2305 ms. (steps per millisecond=433 ) properties (out of 9) seen :9
[2022-05-20 18:05:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:05:45] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 18:05:45] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:05:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:06:01] [INFO ] [Real]Absence check using state equation in 16690 ms returned sat
[2022-05-20 18:06:02] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:06:05] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:06:08] [INFO ] [Real]Added 268 Read/Feed constraints in 6652 ms returned unknown
[2022-05-20 18:06:09] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:06:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:06:21] [INFO ] [Real]Absence check using state equation in 12204 ms returned sat
[2022-05-20 18:06:25] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:06:28] [INFO ] [Real]Added 268 Read/Feed constraints in 6549 ms returned unknown
[2022-05-20 18:06:28] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 18:06:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:06:41] [INFO ] [Real]Absence check using state equation in 13004 ms returned sat
[2022-05-20 18:06:45] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:06:48] [INFO ] [Real]Added 268 Read/Feed constraints in 6574 ms returned unknown
[2022-05-20 18:06:48] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2022-05-20 18:06:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:06:59] [INFO ] [Real]Absence check using state equation in 11494 ms returned sat
[2022-05-20 18:07:00] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:07:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:07:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:07:13] [INFO ] [Nat]Absence check using state equation in 13169 ms returned sat
[2022-05-20 18:07:16] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:07:19] [INFO ] [Nat]Added 268 Read/Feed constraints in 6489 ms returned unknown
[2022-05-20 18:07:19] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:07:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:07:35] [INFO ] [Real]Absence check using state equation in 15304 ms returned sat
[2022-05-20 18:07:35] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:07:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 18:07:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:07:44] [INFO ] [Nat]Absence check using state equation in 9239 ms returned sat
[2022-05-20 18:07:48] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:07:51] [INFO ] [Nat]Added 268 Read/Feed constraints in 6473 ms returned unknown
[2022-05-20 18:07:51] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:07:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:08:01] [INFO ] [Real]Absence check using state equation in 9948 ms returned sat
[2022-05-20 18:08:01] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:08:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 16 ms returned sat
[2022-05-20 18:08:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:08:11] [INFO ] [Nat]Absence check using state equation in 10016 ms returned sat
[2022-05-20 18:08:15] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:08:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 6452 ms returned unknown
[2022-05-20 18:08:18] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:08:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:08:29] [INFO ] [Real]Absence check using state equation in 10839 ms returned sat
[2022-05-20 18:08:29] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:08:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:08:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:08:40] [INFO ] [Nat]Absence check using state equation in 10457 ms returned sat
[2022-05-20 18:08:43] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:08:46] [INFO ] [Nat]Added 268 Read/Feed constraints in 6381 ms returned unknown
[2022-05-20 18:08:46] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:08:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:08:57] [INFO ] [Real]Absence check using state equation in 10921 ms returned sat
[2022-05-20 18:08:57] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:08:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:08:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:09:09] [INFO ] [Nat]Absence check using state equation in 11795 ms returned sat
[2022-05-20 18:09:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:09:16] [INFO ] [Nat]Added 268 Read/Feed constraints in 6369 ms returned unknown
[2022-05-20 18:09:16] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:09:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:09:31] [INFO ] [Real]Absence check using state equation in 15687 ms returned sat
[2022-05-20 18:09:32] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:09:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 18:09:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:09:48] [INFO ] [Nat]Absence check using state equation in 16341 ms returned sat
[2022-05-20 18:09:52] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:09:55] [INFO ] [Nat]Added 268 Read/Feed constraints in 6340 ms returned unknown
Current structural bounds on expressions (after SMT) : [8, 8, 8, 8, 8, 8, 8, 8, 8] Max seen :[2, 2, 2, 2, 2, 1, 1, 4, 3]
Support contains 9 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 199 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 196 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:10:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:10:25] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 18:10:26] [INFO ] Implicit Places using invariants in 1739 ms returned []
Implicit Place search using SMT only with invariants took 1740 ms to find 0 implicit places.
[2022-05-20 18:10:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:10:27] [INFO ] Computed 13 place invariants in 41 ms
[2022-05-20 18:10:35] [INFO ] Dead Transitions using invariants and state equation in 8084 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-00
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:10:35] [INFO ] Computed 13 place invariants in 68 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 292 ms. (steps per millisecond=34 ) 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 18:10:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:10:35] [INFO ] Computed 13 place invariants in 83 ms
[2022-05-20 18:10:35] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:10:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:10:40] [INFO ] [Real]Absence check using state equation in 4927 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 275 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 18:10:41] [INFO ] Computed 13 place invariants in 88 ms
Finished random walk after 978283 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=32 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2051 ms. (steps per millisecond=487 ) properties (out of 1) seen :2
[2022-05-20 18:11:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:11:13] [INFO ] Computed 13 place invariants in 85 ms
[2022-05-20 18:11:13] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:11:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:11:27] [INFO ] [Real]Absence check using state equation in 14352 ms returned sat
[2022-05-20 18:11:28] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:11:31] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:11:34] [INFO ] [Real]Added 268 Read/Feed constraints in 6541 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 173 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 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:11:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:11:35] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:11:36] [INFO ] Implicit Places using invariants in 1675 ms returned []
Implicit Place search using SMT only with invariants took 1676 ms to find 0 implicit places.
[2022-05-20 18:11:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:11:36] [INFO ] Computed 13 place invariants in 48 ms
[2022-05-20 18:11:44] [INFO ] Dead Transitions using invariants and state equation in 7699 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 18:11:44] [INFO ] Computed 13 place invariants in 83 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28877 ms. (steps per millisecond=34 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1744 ms. (steps per millisecond=573 ) properties (out of 1) seen :1
[2022-05-20 18:12:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:12:15] [INFO ] Computed 13 place invariants in 93 ms
[2022-05-20 18:12:15] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:12:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:12:29] [INFO ] [Real]Absence check using state equation in 14349 ms returned sat
[2022-05-20 18:12:30] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:12:33] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:12:36] [INFO ] [Real]Added 268 Read/Feed constraints in 6473 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 164 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 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:12:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:12:37] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:12:38] [INFO ] Implicit Places using invariants in 1695 ms returned []
Implicit Place search using SMT only with invariants took 1695 ms to find 0 implicit places.
[2022-05-20 18:12:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:12:38] [INFO ] Computed 13 place invariants in 37 ms
[2022-05-20 18:12:45] [INFO ] Dead Transitions using invariants and state equation in 7304 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-00 in 130908 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-04
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:12:46] [INFO ] Computed 13 place invariants in 82 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 247 ms. (steps per millisecond=40 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
[2022-05-20 18:12:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:12:46] [INFO ] Computed 13 place invariants in 81 ms
[2022-05-20 18:12:46] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:12:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:12:51] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 251 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 18:12:51] [INFO ] Computed 13 place invariants in 88 ms
Finished random walk after 957971 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=31 )
FORMULA RERS17pb113-PT-8-UpperBounds-04 8 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-04 in 35946 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-05
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:13:22] [INFO ] Computed 13 place invariants in 86 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 311 ms. (steps per millisecond=32 ) 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 18:13:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:13:22] [INFO ] Computed 13 place invariants in 83 ms
[2022-05-20 18:13:22] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:13:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:13:27] [INFO ] [Real]Absence check using state equation in 4889 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 247 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 18:13:27] [INFO ] Computed 13 place invariants in 87 ms
Finished random walk after 821840 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=27 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2034 ms. (steps per millisecond=491 ) properties (out of 1) seen :1
[2022-05-20 18:14:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:14:00] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:14:00] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:14:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:14:11] [INFO ] [Real]Absence check using state equation in 11542 ms returned sat
[2022-05-20 18:14:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:14:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:14:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:14:23] [INFO ] [Nat]Absence check using state equation in 11555 ms returned sat
[2022-05-20 18:14:23] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:14:27] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:14:30] [INFO ] [Nat]Added 268 Read/Feed constraints in 6509 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 285 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 231 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:14:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:14:30] [INFO ] Computed 13 place invariants in 73 ms
[2022-05-20 18:14:32] [INFO ] Implicit Places using invariants in 1773 ms returned []
Implicit Place search using SMT only with invariants took 1774 ms to find 0 implicit places.
[2022-05-20 18:14:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:14:32] [INFO ] Computed 13 place invariants in 44 ms
[2022-05-20 18:14:40] [INFO ] Dead Transitions using invariants and state equation in 7557 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-05 in 78269 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-06
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:14:40] [INFO ] Computed 13 place invariants in 56 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 197 ms. (steps per millisecond=50 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
[2022-05-20 18:14:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:14:40] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 18:14:40] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-20 18:14:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:14:45] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 286 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 18:14:46] [INFO ] Computed 13 place invariants in 86 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29866 ms. (steps per millisecond=33 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2168 ms. (steps per millisecond=461 ) properties (out of 1) seen :2
[2022-05-20 18:15:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:15:18] [INFO ] Computed 13 place invariants in 81 ms
[2022-05-20 18:15:18] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:15:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:15:29] [INFO ] [Real]Absence check using state equation in 11016 ms returned sat
[2022-05-20 18:15:29] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:15:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 18:15:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:15:40] [INFO ] [Nat]Absence check using state equation in 11137 ms returned sat
[2022-05-20 18:15:41] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:15:44] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:15:47] [INFO ] [Nat]Added 268 Read/Feed constraints in 6378 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 162 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 18:15:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:15:47] [INFO ] Computed 13 place invariants in 49 ms
[2022-05-20 18:15:49] [INFO ] Implicit Places using invariants in 1538 ms returned []
Implicit Place search using SMT only with invariants took 1539 ms to find 0 implicit places.
[2022-05-20 18:15:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:15:49] [INFO ] Computed 13 place invariants in 38 ms
[2022-05-20 18:15:57] [INFO ] Dead Transitions using invariants and state equation in 7996 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 18:15:57] [INFO ] Computed 13 place invariants in 66 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28160 ms. (steps per millisecond=35 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1705 ms. (steps per millisecond=586 ) properties (out of 1) seen :2
[2022-05-20 18:16:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:16:27] [INFO ] Computed 13 place invariants in 85 ms
[2022-05-20 18:16:27] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:16:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:16:37] [INFO ] [Real]Absence check using state equation in 9896 ms returned sat
[2022-05-20 18:16:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:16:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:16:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:16:49] [INFO ] [Nat]Absence check using state equation in 11226 ms returned sat
[2022-05-20 18:16:49] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:16:52] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:16:55] [INFO ] [Nat]Added 268 Read/Feed constraints in 6541 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 276 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 18:16:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:16:56] [INFO ] Computed 13 place invariants in 83 ms
[2022-05-20 18:16:57] [INFO ] Implicit Places using invariants in 1761 ms returned []
Implicit Place search using SMT only with invariants took 1762 ms to find 0 implicit places.
[2022-05-20 18:16:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:16:58] [INFO ] Computed 13 place invariants in 44 ms
[2022-05-20 18:17:05] [INFO ] Dead Transitions using invariants and state equation in 7255 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-06 in 144993 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-07
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:17:05] [INFO ] Computed 13 place invariants in 87 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=42 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :0
[2022-05-20 18:17:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:17:05] [INFO ] Computed 13 place invariants in 77 ms
[2022-05-20 18:17:05] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:17:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:17:10] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] Max seen :[0]
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 234 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 18:17:11] [INFO ] Computed 13 place invariants in 86 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28153 ms. (steps per millisecond=35 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1922 ms. (steps per millisecond=520 ) properties (out of 1) seen :1
[2022-05-20 18:17:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:17:41] [INFO ] Computed 13 place invariants in 84 ms
[2022-05-20 18:17:41] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:17:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:17:53] [INFO ] [Real]Absence check using state equation in 11870 ms returned sat
[2022-05-20 18:17:53] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:17:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:17:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:18:07] [INFO ] [Nat]Absence check using state equation in 13421 ms returned sat
[2022-05-20 18:18:07] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:18:10] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:18:13] [INFO ] [Nat]Added 268 Read/Feed constraints in 6505 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 237 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 220 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:18:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:18:14] [INFO ] Computed 13 place invariants in 68 ms
[2022-05-20 18:18:15] [INFO ] Implicit Places using invariants in 1717 ms returned []
Implicit Place search using SMT only with invariants took 1717 ms to find 0 implicit places.
[2022-05-20 18:18:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:18:16] [INFO ] Computed 13 place invariants in 46 ms
[2022-05-20 18:18:23] [INFO ] Dead Transitions using invariants and state equation in 7343 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 18:18:23] [INFO ] Computed 13 place invariants in 79 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28591 ms. (steps per millisecond=34 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2271 ms. (steps per millisecond=440 ) properties (out of 1) seen :2
[2022-05-20 18:18:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:18:54] [INFO ] Computed 13 place invariants in 49 ms
[2022-05-20 18:18:54] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:18:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:19:07] [INFO ] [Real]Absence check using state equation in 13155 ms returned sat
[2022-05-20 18:19:07] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:19:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:19:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:19:21] [INFO ] [Nat]Absence check using state equation in 13595 ms returned sat
[2022-05-20 18:19:21] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:19:25] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:19:28] [INFO ] [Nat]Added 268 Read/Feed constraints in 6450 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 224 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 263 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:19:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:19:28] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:19:30] [INFO ] Implicit Places using invariants in 1585 ms returned []
Implicit Place search using SMT only with invariants took 1586 ms to find 0 implicit places.
[2022-05-20 18:19:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:19:30] [INFO ] Computed 13 place invariants in 55 ms
[2022-05-20 18:19:37] [INFO ] Dead Transitions using invariants and state equation in 7436 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-07 in 152501 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-10
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:19:37] [INFO ] Computed 13 place invariants in 78 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 249 ms. (steps per millisecond=40 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
[2022-05-20 18:19:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:19:38] [INFO ] Computed 13 place invariants in 37 ms
[2022-05-20 18:19:38] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:19:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:19:43] [INFO ] [Real]Absence check using state equation in 4938 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] Max seen :[0]
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 152 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 18:19:43] [INFO ] Computed 13 place invariants in 83 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 26720 ms. (steps per millisecond=37 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1596 ms. (steps per millisecond=626 ) properties (out of 1) seen :1
[2022-05-20 18:20:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:20:11] [INFO ] Computed 13 place invariants in 84 ms
[2022-05-20 18:20:12] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:20:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:20:28] [INFO ] [Real]Absence check using state equation in 16579 ms returned sat
[2022-05-20 18:20:28] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:20:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:20:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:20:37] [INFO ] [Nat]Absence check using state equation in 8901 ms returned sat
[2022-05-20 18:20:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:20:41] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:20:44] [INFO ] [Nat]Added 268 Read/Feed constraints in 6452 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 229 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 195 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:20:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:20:45] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 18:20:46] [INFO ] Implicit Places using invariants in 1846 ms returned []
Implicit Place search using SMT only with invariants took 1847 ms to find 0 implicit places.
[2022-05-20 18:20:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:20:46] [INFO ] Computed 13 place invariants in 35 ms
[2022-05-20 18:20:53] [INFO ] Dead Transitions using invariants and state equation in 7062 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 18:20:53] [INFO ] Computed 13 place invariants in 54 ms
Finished random walk after 992904 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=33 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1834 ms. (steps per millisecond=545 ) properties (out of 1) seen :1
[2022-05-20 18:21:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:21:25] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:21:25] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-20 18:21:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:21:34] [INFO ] [Real]Absence check using state equation in 8903 ms returned sat
[2022-05-20 18:21:35] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:21:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:21:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:21:44] [INFO ] [Nat]Absence check using state equation in 8869 ms returned sat
[2022-05-20 18:21:44] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:21:47] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:21:50] [INFO ] [Nat]Added 268 Read/Feed constraints in 6533 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 178 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 167 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:21:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:21:51] [INFO ] Computed 13 place invariants in 82 ms
[2022-05-20 18:21:52] [INFO ] Implicit Places using invariants in 1731 ms returned []
Implicit Place search using SMT only with invariants took 1731 ms to find 0 implicit places.
[2022-05-20 18:21:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:21:52] [INFO ] Computed 13 place invariants in 39 ms
[2022-05-20 18:22:00] [INFO ] Dead Transitions using invariants and state equation in 8040 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-10 in 143219 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-11
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:22:01] [INFO ] Computed 13 place invariants in 87 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 273 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
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 18:22:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:22:01] [INFO ] Computed 13 place invariants in 73 ms
[2022-05-20 18:22:01] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:22:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:22:06] [INFO ] [Real]Absence check using state equation in 4917 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] Max seen :[0]
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 229 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 18:22:06] [INFO ] Computed 13 place invariants in 88 ms
Finished random walk after 946638 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 1752 ms. (steps per millisecond=570 ) properties (out of 1) seen :2
[2022-05-20 18:22:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:22:38] [INFO ] Computed 13 place invariants in 80 ms
[2022-05-20 18:22:38] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:22:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:22:50] [INFO ] [Real]Absence check using state equation in 11432 ms returned sat
[2022-05-20 18:22:50] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:22:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:22:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:23:01] [INFO ] [Nat]Absence check using state equation in 10442 ms returned sat
[2022-05-20 18:23:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:23:04] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:23:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 6578 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 169 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 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:23:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:23:08] [INFO ] Computed 13 place invariants in 81 ms
[2022-05-20 18:23:09] [INFO ] Implicit Places using invariants in 1674 ms returned []
Implicit Place search using SMT only with invariants took 1675 ms to find 0 implicit places.
[2022-05-20 18:23:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:23:09] [INFO ] Computed 13 place invariants in 36 ms
[2022-05-20 18:23:17] [INFO ] Dead Transitions using invariants and state equation in 7264 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 18:23:17] [INFO ] Computed 13 place invariants in 65 ms
Finished random walk after 972952 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=32 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1740 ms. (steps per millisecond=574 ) properties (out of 1) seen :1
[2022-05-20 18:23:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:23:49] [INFO ] Computed 13 place invariants in 74 ms
[2022-05-20 18:23:49] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-20 18:23:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:24:00] [INFO ] [Real]Absence check using state equation in 11044 ms returned sat
[2022-05-20 18:24:00] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:24:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2022-05-20 18:24:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:24:11] [INFO ] [Nat]Absence check using state equation in 10383 ms returned sat
[2022-05-20 18:24:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:24:14] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:24:17] [INFO ] [Nat]Added 268 Read/Feed constraints in 6388 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 237 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 195 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:24:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:24:18] [INFO ] Computed 13 place invariants in 77 ms
[2022-05-20 18:24:19] [INFO ] Implicit Places using invariants in 1769 ms returned []
Implicit Place search using SMT only with invariants took 1769 ms to find 0 implicit places.
[2022-05-20 18:24:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:24:19] [INFO ] Computed 13 place invariants in 40 ms
[2022-05-20 18:24:27] [INFO ] Dead Transitions using invariants and state equation in 8024 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-11 in 146898 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-12
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:24:27] [INFO ] Computed 13 place invariants in 83 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 313 ms. (steps per millisecond=31 ) 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 18:24:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:24:28] [INFO ] Computed 13 place invariants in 74 ms
[2022-05-20 18:24:28] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:24:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:24:33] [INFO ] [Real]Absence check using state equation in 4939 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 230 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 18:24:33] [INFO ] Computed 13 place invariants in 87 ms
Finished random walk after 943361 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 2401 ms. (steps per millisecond=416 ) properties (out of 1) seen :3
[2022-05-20 18:25:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:25:06] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:25:06] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:25:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:25:15] [INFO ] [Real]Absence check using state equation in 9416 ms returned sat
[2022-05-20 18:25:16] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:25:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2022-05-20 18:25:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:25:25] [INFO ] [Nat]Absence check using state equation in 9533 ms returned sat
[2022-05-20 18:25:25] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:25:29] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:25:32] [INFO ] [Nat]Added 268 Read/Feed constraints in 6485 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] Max seen :[6]
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 266 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 223 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:25:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:25:32] [INFO ] Computed 13 place invariants in 78 ms
[2022-05-20 18:25:34] [INFO ] Implicit Places using invariants in 1744 ms returned []
Implicit Place search using SMT only with invariants took 1744 ms to find 0 implicit places.
[2022-05-20 18:25:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:25:34] [INFO ] Computed 13 place invariants in 48 ms
[2022-05-20 18:25:41] [INFO ] Dead Transitions using invariants and state equation in 7226 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 18:25:42] [INFO ] Computed 13 place invariants in 69 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28960 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1982 ms. (steps per millisecond=504 ) properties (out of 1) seen :2
[2022-05-20 18:26:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:26:13] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 18:26:13] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:26:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:26:23] [INFO ] [Real]Absence check using state equation in 9915 ms returned sat
[2022-05-20 18:26:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 18:26:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2022-05-20 18:26:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 18:26:33] [INFO ] [Nat]Absence check using state equation in 9722 ms returned sat
[2022-05-20 18:26:33] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:26:36] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:26:39] [INFO ] [Nat]Added 268 Read/Feed constraints in 6559 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] Max seen :[6]
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 216 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 212 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:26:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:26:40] [INFO ] Computed 13 place invariants in 75 ms
[2022-05-20 18:26:42] [INFO ] Implicit Places using invariants in 1722 ms returned []
Implicit Place search using SMT only with invariants took 1722 ms to find 0 implicit places.
[2022-05-20 18:26:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:26:42] [INFO ] Computed 13 place invariants in 36 ms
[2022-05-20 18:26:49] [INFO ] Dead Transitions using invariants and state equation in 7097 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-12 in 141291 ms.
Starting property specific reduction for RERS17pb113-PT-8-UpperBounds-14
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:26:49] [INFO ] Computed 13 place invariants in 78 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 314 ms. (steps per millisecond=31 ) 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 18:26:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:26:49] [INFO ] Computed 13 place invariants in 73 ms
[2022-05-20 18:26:49] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:26:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:26:54] [INFO ] [Real]Absence check using state equation in 4904 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 224 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 18:26:55] [INFO ] Computed 13 place invariants in 88 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28298 ms. (steps per millisecond=35 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2065 ms. (steps per millisecond=484 ) properties (out of 1) seen :2
[2022-05-20 18:27:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:27:25] [INFO ] Computed 13 place invariants in 46 ms
[2022-05-20 18:27:25] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:27:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:27:38] [INFO ] [Real]Absence check using state equation in 12472 ms returned sat
[2022-05-20 18:27:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:27:42] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:27:45] [INFO ] [Real]Added 268 Read/Feed constraints in 6506 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 145 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 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:28:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:28:15] [INFO ] Computed 13 place invariants in 79 ms
[2022-05-20 18:28:16] [INFO ] Implicit Places using invariants in 1620 ms returned []
Implicit Place search using SMT only with invariants took 1620 ms to find 0 implicit places.
[2022-05-20 18:28:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:28:17] [INFO ] Computed 13 place invariants in 48 ms
[2022-05-20 18:28:24] [INFO ] Dead Transitions using invariants and state equation in 7202 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 18:28:24] [INFO ] Computed 13 place invariants in 87 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 27647 ms. (steps per millisecond=36 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2410 ms. (steps per millisecond=414 ) properties (out of 1) seen :2
[2022-05-20 18:28:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:28:54] [INFO ] Computed 13 place invariants in 81 ms
[2022-05-20 18:28:54] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2022-05-20 18:28:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 18:29:07] [INFO ] [Real]Absence check using state equation in 13222 ms returned sat
[2022-05-20 18:29:08] [INFO ] State equation strengthened by 268 read => feed constraints.
[2022-05-20 18:29:11] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-20 18:29:14] [INFO ] [Real]Added 268 Read/Feed constraints in 6432 ms returned unknown
Current structural bounds on expressions (after SMT) : [8] 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 148 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 149 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2022-05-20 18:29:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:29:41] [INFO ] Computed 13 place invariants in 86 ms
[2022-05-20 18:29:43] [INFO ] Implicit Places using invariants in 1716 ms returned []
Implicit Place search using SMT only with invariants took 1716 ms to find 0 implicit places.
[2022-05-20 18:29:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2022-05-20 18:29:43] [INFO ] Computed 13 place invariants in 84 ms
[2022-05-20 18:29:51] [INFO ] Dead Transitions using invariants and state equation in 7935 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-8-UpperBounds-14 in 182021 ms.
[2022-05-20 18:29:52] [INFO ] Flatten gal took : 1153 ms
[2022-05-20 18:29:53] [INFO ] Applying decomposition
[2022-05-20 18:29:54] [INFO ] Flatten gal took : 918 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph2395948334142840208.txt' '-o' '/tmp/graph2395948334142840208.bin' '-w' '/tmp/graph2395948334142840208.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph2395948334142840208.bin' '-l' '-1' '-v' '-w' '/tmp/graph2395948334142840208.weights' '-q' '0' '-e' '0.001'
[2022-05-20 18:29:56] [INFO ] Decomposing Gal with order
[2022-05-20 18:29:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-20 18:29:59] [INFO ] Removed a total of 91898 redundant transitions.
[2022-05-20 18:29:59] [INFO ] Flatten gal took : 1866 ms
[2022-05-20 18:30:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 1642 labels/synchronizations in 1069 ms.
[2022-05-20 18:30:01] [INFO ] Time to serialize gal into /tmp/UpperBounds16497305548519980574.gal : 194 ms
[2022-05-20 18:30:01] [INFO ] Time to serialize properties into /tmp/UpperBounds9035950103556957535.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16497305548519980574.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9035950103556957535.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...275
Loading property file /tmp/UpperBounds9035950103556957535.prop.

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-8"
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-8, 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-165281571700061"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-8.tgz
mv RERS17pb113-PT-8 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 ;