Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r329-tall-167889201500037.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS17pb113-PT-5, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201500037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.5K Feb 26 18:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 18:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 26 18:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 26 18:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 26 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 26 18:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 26 18:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-00
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-01
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-02
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-03
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-04
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-05
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-06
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-07
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-08
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-09
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-10
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-11
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-12
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-13
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-14
FORMULA_NAME RERS17pb113-PT-5-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678992609085

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-5
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 18:50:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-16 18:50:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 18:50:11] [INFO ] Load time of PNML (sax parser for PT used): 654 ms
[2023-03-16 18:50:11] [INFO ] Transformed 639 places.
[2023-03-16 18:50:11] [INFO ] Transformed 31353 transitions.
[2023-03-16 18:50:11] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 859 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Normalized transition count is 18326 out of 31353 initially.
// Phase 1: matrix 18326 rows 639 cols
[2023-03-16 18:50:11] [INFO ] Computed 25 place invariants in 124 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 350 ms. (steps per millisecond=28 ) properties (out of 16) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 16) 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 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 16) 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 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 16) 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 16) seen :2
[2023-03-16 18:50:13] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2023-03-16 18:50:13] [INFO ] Computed 25 place invariants in 68 ms
[2023-03-16 18:50:13] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2023-03-16 18:50:13] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2023-03-16 18:50:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:18] [INFO ] [Real]Absence check using state equation in 4833 ms returned unknown
[2023-03-16 18:50:18] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:50:18] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:50:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:23] [INFO ] [Real]Absence check using state equation in 4935 ms returned unknown
[2023-03-16 18:50:23] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2023-03-16 18:50:23] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2023-03-16 18:50:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:28] [INFO ] [Real]Absence check using state equation in 4925 ms returned unknown
[2023-03-16 18:50:28] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:50:28] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2023-03-16 18:50:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:33] [INFO ] [Real]Absence check using state equation in 4938 ms returned unknown
[2023-03-16 18:50:33] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:50:33] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2023-03-16 18:50:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:38] [INFO ] [Real]Absence check using state equation in 4943 ms returned unknown
[2023-03-16 18:50:38] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2023-03-16 18:50:38] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2023-03-16 18:50:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:43] [INFO ] [Real]Absence check using state equation in 4928 ms returned unknown
[2023-03-16 18:50:43] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 18:50:43] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2023-03-16 18:50:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:48] [INFO ] [Real]Absence check using state equation in 4947 ms returned unknown
[2023-03-16 18:50:48] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:50:48] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:50:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:53] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
[2023-03-16 18:50:53] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:50:53] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 20 ms returned sat
[2023-03-16 18:50:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:50:58] [INFO ] [Real]Absence check using state equation in 4930 ms returned unknown
[2023-03-16 18:50:58] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 18:50:58] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:50:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:03] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
[2023-03-16 18:51:03] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2023-03-16 18:51:03] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2023-03-16 18:51:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:08] [INFO ] [Real]Absence check using state equation in 4939 ms returned unknown
[2023-03-16 18:51:08] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:51:08] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:51:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:13] [INFO ] [Real]Absence check using state equation in 4933 ms returned unknown
[2023-03-16 18:51:13] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:51:13] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:51:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:18] [INFO ] [Real]Absence check using state equation in 4914 ms returned unknown
[2023-03-16 18:51:18] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:51:18] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 1 ms returned sat
[2023-03-16 18:51:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:23] [INFO ] [Real]Absence check using state equation in 4941 ms returned unknown
[2023-03-16 18:51:23] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:51:23] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 2 ms returned sat
[2023-03-16 18:51:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:28] [INFO ] [Real]Absence check using state equation in 4932 ms returned unknown
[2023-03-16 18:51:28] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:51:28] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2023-03-16 18:51:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:51:33] [INFO ] [Real]Absence check using state equation in 4926 ms returned unknown
Current structural bounds on expressions (after SMT) : [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5] Max seen :[2, 2, 2, 0, 1, 2, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1]
Support contains 16 out of 639 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 578 ms. Remains 626 /639 variables (removed 13) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 585 ms. Remains : 626/639 places, 31352/31353 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 18:51:34] [INFO ] Computed 13 place invariants in 56 ms
Finished random walk after 994338 steps, including 2 resets, run visited all 16 properties in 30001 ms. (steps per millisecond=33 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2878 ms. (steps per millisecond=347 ) properties (out of 16) seen :23
FORMULA RERS17pb113-PT-5-UpperBounds-02 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2413 ms. (steps per millisecond=414 ) properties (out of 15) seen :19
FORMULA RERS17pb113-PT-5-UpperBounds-01 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2301 ms. (steps per millisecond=434 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3147 ms. (steps per millisecond=317 ) properties (out of 14) seen :17
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3133 ms. (steps per millisecond=319 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1989 ms. (steps per millisecond=502 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1995 ms. (steps per millisecond=501 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3700 ms. (steps per millisecond=270 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2066 ms. (steps per millisecond=484 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2278 ms. (steps per millisecond=438 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1993 ms. (steps per millisecond=501 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2499 ms. (steps per millisecond=400 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2181 ms. (steps per millisecond=458 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1774 ms. (steps per millisecond=563 ) properties (out of 14) seen :15
[2023-03-16 18:52:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 18:52:38] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 18:52:38] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:52:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:52:50] [INFO ] [Real]Absence check using state equation in 11897 ms returned sat
[2023-03-16 18:52:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:52:51] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:52:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:53:01] [INFO ] [Nat]Absence check using state equation in 9734 ms returned sat
[2023-03-16 18:53:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 18:53:05] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:53:08] [INFO ] [Nat]Added 268 Read/Feed constraints in 6589 ms returned unknown
[2023-03-16 18:53:08] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:53:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:53:21] [INFO ] [Real]Absence check using state equation in 13806 ms returned sat
[2023-03-16 18:53:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:53:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:53:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:53:33] [INFO ] [Nat]Absence check using state equation in 11375 ms returned sat
[2023-03-16 18:53:37] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:53:40] [INFO ] [Nat]Added 268 Read/Feed constraints in 6372 ms returned unknown
[2023-03-16 18:53:40] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:53:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:53:54] [INFO ] [Real]Absence check using state equation in 14631 ms returned sat
[2023-03-16 18:53:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:53:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:53:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:54:08] [INFO ] [Nat]Absence check using state equation in 12833 ms returned sat
[2023-03-16 18:54:11] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:54:13] [INFO ] [Nat]Added 268 Read/Feed constraints in 5556 ms returned sat
[2023-03-16 18:54:15] [INFO ] Deduced a trap composed of 40 places in 1512 ms of which 4 ms to minimize.
[2023-03-16 18:54:17] [INFO ] Deduced a trap composed of 48 places in 1928 ms of which 3 ms to minimize.
[2023-03-16 18:54:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 4669 ms
[2023-03-16 18:54:20] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 2561 ms.
[2023-03-16 18:54:22] [INFO ] Added : 0 causal constraints over 0 iterations in 3722 ms. Result :sat
[2023-03-16 18:54:22] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 18:54:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:54:39] [INFO ] [Real]Absence check using state equation in 16887 ms returned sat
[2023-03-16 18:54:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:54:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:54:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:54:54] [INFO ] [Nat]Absence check using state equation in 14759 ms returned unknown
[2023-03-16 18:54:54] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:54:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:55:09] [INFO ] [Real]Absence check using state equation in 14264 ms returned sat
[2023-03-16 18:55:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:55:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:55:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:55:24] [INFO ] [Nat]Absence check using state equation in 14793 ms returned sat
[2023-03-16 18:55:27] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:55:30] [INFO ] [Nat]Added 268 Read/Feed constraints in 6432 ms returned unknown
[2023-03-16 18:55:30] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:55:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:55:43] [INFO ] [Real]Absence check using state equation in 12551 ms returned sat
[2023-03-16 18:55:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:55:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:55:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:55:57] [INFO ] [Nat]Absence check using state equation in 13882 ms returned sat
[2023-03-16 18:56:01] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:56:04] [INFO ] [Nat]Added 268 Read/Feed constraints in 6455 ms returned unknown
[2023-03-16 18:56:04] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:56:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:56:18] [INFO ] [Real]Absence check using state equation in 13828 ms returned sat
[2023-03-16 18:56:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:56:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:56:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:56:30] [INFO ] [Nat]Absence check using state equation in 11953 ms returned sat
[2023-03-16 18:56:33] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:56:36] [INFO ] [Nat]Added 268 Read/Feed constraints in 6398 ms returned unknown
[2023-03-16 18:56:36] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:56:47] [INFO ] [Real]Absence check using state equation in 10857 ms returned sat
[2023-03-16 18:56:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:56:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:56:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:57:01] [INFO ] [Nat]Absence check using state equation in 13459 ms returned sat
[2023-03-16 18:57:05] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:57:08] [INFO ] [Nat]Added 268 Read/Feed constraints in 6390 ms returned unknown
[2023-03-16 18:57:08] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:57:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:57:18] [INFO ] [Real]Absence check using state equation in 9981 ms returned sat
[2023-03-16 18:57:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:57:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:57:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:57:32] [INFO ] [Nat]Absence check using state equation in 13984 ms returned sat
[2023-03-16 18:57:35] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:57:38] [INFO ] [Nat]Added 268 Read/Feed constraints in 6459 ms returned unknown
[2023-03-16 18:57:39] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:57:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:57:49] [INFO ] [Real]Absence check using state equation in 9916 ms returned sat
[2023-03-16 18:57:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:57:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:57:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:57:59] [INFO ] [Nat]Absence check using state equation in 9597 ms returned sat
[2023-03-16 18:58:02] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:58:05] [INFO ] [Nat]Added 268 Read/Feed constraints in 6408 ms returned unknown
[2023-03-16 18:58:05] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:58:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:58:19] [INFO ] [Real]Absence check using state equation in 14094 ms returned sat
[2023-03-16 18:58:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:58:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:58:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:58:31] [INFO ] [Nat]Absence check using state equation in 11928 ms returned sat
[2023-03-16 18:58:35] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:58:38] [INFO ] [Nat]Added 268 Read/Feed constraints in 6426 ms returned unknown
[2023-03-16 18:58:38] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:58:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:58:48] [INFO ] [Real]Absence check using state equation in 9679 ms returned sat
[2023-03-16 18:58:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:58:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:58:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:59:01] [INFO ] [Nat]Absence check using state equation in 12629 ms returned sat
[2023-03-16 18:59:04] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:59:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 6400 ms returned unknown
[2023-03-16 18:59:07] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 18:59:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:59:21] [INFO ] [Real]Absence check using state equation in 14087 ms returned sat
[2023-03-16 18:59:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:59:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:59:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 18:59:36] [INFO ] [Nat]Absence check using state equation in 14623 ms returned sat
[2023-03-16 18:59:40] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 18:59:43] [INFO ] [Nat]Added 268 Read/Feed constraints in 6400 ms returned unknown
[2023-03-16 18:59:43] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 18:59:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 18:59:56] [INFO ] [Real]Absence check using state equation in 13098 ms returned sat
[2023-03-16 18:59:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 18:59:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 18:59:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:00:11] [INFO ] [Nat]Absence check using state equation in 14690 ms returned sat
[2023-03-16 19:00:15] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:00:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 6474 ms returned unknown
Current structural bounds on expressions (after SMT) : [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5] Max seen :[4, 1, 2, 4, 1, 1, 1, 3, 1, 2, 1, 2, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 189 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:00:18] [INFO ] Computed 13 place invariants in 63 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29482 ms. (steps per millisecond=33 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2855 ms. (steps per millisecond=350 ) properties (out of 14) seen :17
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1695 ms. (steps per millisecond=589 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2302 ms. (steps per millisecond=434 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 3056 ms. (steps per millisecond=327 ) properties (out of 14) seen :15
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3178 ms. (steps per millisecond=314 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2012 ms. (steps per millisecond=497 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2016 ms. (steps per millisecond=496 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3830 ms. (steps per millisecond=261 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2064 ms. (steps per millisecond=484 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2385 ms. (steps per millisecond=419 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2113 ms. (steps per millisecond=473 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2573 ms. (steps per millisecond=388 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2194 ms. (steps per millisecond=455 ) properties (out of 14) seen :14
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1814 ms. (steps per millisecond=551 ) properties (out of 14) seen :15
[2023-03-16 19:01:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:01:22] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:01:22] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:01:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:01:36] [INFO ] [Real]Absence check using state equation in 14757 ms returned sat
[2023-03-16 19:01:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:01:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:01:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:01:47] [INFO ] [Nat]Absence check using state equation in 10603 ms returned sat
[2023-03-16 19:01:48] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:01:51] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:01:54] [INFO ] [Nat]Added 268 Read/Feed constraints in 6455 ms returned unknown
[2023-03-16 19:01:54] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:01:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:02:10] [INFO ] [Real]Absence check using state equation in 15615 ms returned sat
[2023-03-16 19:02:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:02:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:02:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:02:22] [INFO ] [Nat]Absence check using state equation in 11382 ms returned sat
[2023-03-16 19:02:25] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:02:28] [INFO ] [Nat]Added 268 Read/Feed constraints in 6472 ms returned unknown
[2023-03-16 19:02:28] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:02:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:02:43] [INFO ] [Real]Absence check using state equation in 14707 ms returned sat
[2023-03-16 19:02:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:02:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:02:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:02:57] [INFO ] [Nat]Absence check using state equation in 13614 ms returned sat
[2023-03-16 19:03:00] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:03:03] [INFO ] [Nat]Added 268 Read/Feed constraints in 6230 ms returned sat
[2023-03-16 19:03:05] [INFO ] Deduced a trap composed of 48 places in 1592 ms of which 7 ms to minimize.
[2023-03-16 19:03:07] [INFO ] Deduced a trap composed of 64 places in 1186 ms of which 2 ms to minimize.
[2023-03-16 19:03:08] [INFO ] Deduced a trap composed of 64 places in 895 ms of which 1 ms to minimize.
[2023-03-16 19:03:08] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 5138 ms
[2023-03-16 19:03:10] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 2180 ms.
[2023-03-16 19:03:12] [INFO ] Added : 0 causal constraints over 0 iterations in 3334 ms. Result :sat
[2023-03-16 19:03:12] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:03:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:03:28] [INFO ] [Real]Absence check using state equation in 15809 ms returned sat
[2023-03-16 19:03:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:03:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:03:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:03:43] [INFO ] [Nat]Absence check using state equation in 14990 ms returned unknown
[2023-03-16 19:03:44] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:03:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:03:58] [INFO ] [Real]Absence check using state equation in 14250 ms returned sat
[2023-03-16 19:03:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:03:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:03:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:04:13] [INFO ] [Nat]Absence check using state equation in 14687 ms returned sat
[2023-03-16 19:04:16] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:04:19] [INFO ] [Nat]Added 268 Read/Feed constraints in 6381 ms returned unknown
[2023-03-16 19:04:19] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:04:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:04:32] [INFO ] [Real]Absence check using state equation in 12260 ms returned sat
[2023-03-16 19:04:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:04:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:04:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:04:46] [INFO ] [Nat]Absence check using state equation in 13949 ms returned sat
[2023-03-16 19:04:49] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:04:52] [INFO ] [Nat]Added 268 Read/Feed constraints in 6402 ms returned unknown
[2023-03-16 19:04:52] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:04:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:05:06] [INFO ] [Real]Absence check using state equation in 13508 ms returned sat
[2023-03-16 19:05:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:05:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:05:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:05:18] [INFO ] [Nat]Absence check using state equation in 12004 ms returned sat
[2023-03-16 19:05:22] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:05:25] [INFO ] [Nat]Added 268 Read/Feed constraints in 6435 ms returned unknown
[2023-03-16 19:05:25] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:05:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:05:36] [INFO ] [Real]Absence check using state equation in 10691 ms returned sat
[2023-03-16 19:05:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:05:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:05:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:05:50] [INFO ] [Nat]Absence check using state equation in 13751 ms returned sat
[2023-03-16 19:05:53] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:05:56] [INFO ] [Nat]Added 268 Read/Feed constraints in 6482 ms returned unknown
[2023-03-16 19:05:56] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:05:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:06:07] [INFO ] [Real]Absence check using state equation in 10680 ms returned sat
[2023-03-16 19:06:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:06:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:06:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:06:22] [INFO ] [Nat]Absence check using state equation in 14362 ms returned sat
[2023-03-16 19:06:25] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:06:28] [INFO ] [Nat]Added 268 Read/Feed constraints in 6431 ms returned unknown
[2023-03-16 19:06:28] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:06:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:06:39] [INFO ] [Real]Absence check using state equation in 10721 ms returned sat
[2023-03-16 19:06:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:06:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:06:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:06:50] [INFO ] [Nat]Absence check using state equation in 10332 ms returned sat
[2023-03-16 19:06:53] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:06:56] [INFO ] [Nat]Added 268 Read/Feed constraints in 6432 ms returned unknown
[2023-03-16 19:06:56] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:06:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:07:08] [INFO ] [Real]Absence check using state equation in 11499 ms returned sat
[2023-03-16 19:07:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:07:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:07:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:07:20] [INFO ] [Nat]Absence check using state equation in 12038 ms returned sat
[2023-03-16 19:07:24] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:07:27] [INFO ] [Nat]Added 268 Read/Feed constraints in 6433 ms returned unknown
[2023-03-16 19:07:27] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:07:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:07:36] [INFO ] [Real]Absence check using state equation in 9571 ms returned sat
[2023-03-16 19:07:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:07:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:07:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:07:51] [INFO ] [Nat]Absence check using state equation in 13942 ms returned sat
[2023-03-16 19:07:54] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:07:57] [INFO ] [Nat]Added 268 Read/Feed constraints in 6472 ms returned unknown
[2023-03-16 19:07:57] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:07:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:08:10] [INFO ] [Real]Absence check using state equation in 13057 ms returned sat
[2023-03-16 19:08:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:08:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:08:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:08:25] [INFO ] [Nat]Absence check using state equation in 14443 ms returned sat
[2023-03-16 19:08:28] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:08:32] [INFO ] [Nat]Added 268 Read/Feed constraints in 6396 ms returned unknown
[2023-03-16 19:08:32] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:08:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:08:44] [INFO ] [Real]Absence check using state equation in 11944 ms returned sat
[2023-03-16 19:08:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:08:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:08:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:08:57] [INFO ] [Nat]Absence check using state equation in 13331 ms returned sat
[2023-03-16 19:09:01] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:09:04] [INFO ] [Nat]Added 268 Read/Feed constraints in 6478 ms returned unknown
Current structural bounds on expressions (after SMT) : [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5] Max seen :[4, 1, 2, 4, 1, 1, 1, 3, 1, 2, 1, 2, 2, 1]
Support contains 14 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 214 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 214 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:09:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:09:04] [INFO ] Invariant cache hit.
[2023-03-16 19:09:07] [INFO ] Implicit Places using invariants in 2287 ms returned []
Implicit Place search using SMT only with invariants took 2290 ms to find 0 implicit places.
[2023-03-16 19:09:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:09:07] [INFO ] Invariant cache hit.
[2023-03-16 19:09:16] [INFO ] Dead Transitions using invariants and state equation in 9508 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12026 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-00
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:09:16] [INFO ] Computed 13 place invariants in 44 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 262 ms. (steps per millisecond=38 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:09:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:09:17] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 19:09:17] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:09:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:09:22] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 181 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:09:22] [INFO ] Computed 13 place invariants in 45 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28749 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 2780 ms. (steps per millisecond=359 ) properties (out of 1) seen :4
[2023-03-16 19:09:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:09:53] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:09:54] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:09:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:10:06] [INFO ] [Real]Absence check using state equation in 12618 ms returned sat
[2023-03-16 19:10:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:10:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:10:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:10:17] [INFO ] [Nat]Absence check using state equation in 10130 ms returned sat
[2023-03-16 19:10:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:10:20] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:10:23] [INFO ] [Nat]Added 268 Read/Feed constraints in 6543 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 162 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:10:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:10:24] [INFO ] Invariant cache hit.
[2023-03-16 19:10:25] [INFO ] Implicit Places using invariants in 1768 ms returned []
Implicit Place search using SMT only with invariants took 1793 ms to find 0 implicit places.
[2023-03-16 19:10:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:10:25] [INFO ] Invariant cache hit.
[2023-03-16 19:10:35] [INFO ] Dead Transitions using invariants and state equation in 9394 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11356 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:10:35] [INFO ] Computed 13 place invariants in 48 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28711 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2738 ms. (steps per millisecond=365 ) properties (out of 1) seen :3
[2023-03-16 19:11:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:11:07] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 19:11:07] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:11:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:11:19] [INFO ] [Real]Absence check using state equation in 12190 ms returned sat
[2023-03-16 19:11:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:11:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:11:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:11:29] [INFO ] [Nat]Absence check using state equation in 9891 ms returned sat
[2023-03-16 19:11:29] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:11:33] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:11:36] [INFO ] [Nat]Added 268 Read/Feed constraints in 6441 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 197 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:11:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:11:36] [INFO ] Invariant cache hit.
[2023-03-16 19:11:38] [INFO ] Implicit Places using invariants in 1795 ms returned []
Implicit Place search using SMT only with invariants took 1804 ms to find 0 implicit places.
[2023-03-16 19:11:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:11:38] [INFO ] Invariant cache hit.
[2023-03-16 19:11:47] [INFO ] Dead Transitions using invariants and state equation in 8799 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10776 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-00 in 150605 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-03
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:11:47] [INFO ] Computed 13 place invariants in 52 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=48 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:11:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:11:47] [INFO ] Computed 13 place invariants in 46 ms
[2023-03-16 19:11:47] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:11:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:11:52] [INFO ] [Real]Absence check using state equation in 4942 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[0]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:11:52] [INFO ] Computed 13 place invariants in 50 ms
Finished random walk after 900780 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=30 )
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1951 ms. (steps per millisecond=512 ) properties (out of 1) seen :1
[2023-03-16 19:12:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:12:24] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 19:12:24] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:12:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:12:40] [INFO ] [Real]Absence check using state equation in 15974 ms returned sat
[2023-03-16 19:12:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:12:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:12:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:12:53] [INFO ] [Nat]Absence check using state equation in 12436 ms returned sat
[2023-03-16 19:12:53] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:12:57] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:13:00] [INFO ] [Nat]Added 268 Read/Feed constraints in 6462 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 162 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:13:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:13:00] [INFO ] Invariant cache hit.
[2023-03-16 19:13:02] [INFO ] Implicit Places using invariants in 1790 ms returned []
Implicit Place search using SMT only with invariants took 1806 ms to find 0 implicit places.
[2023-03-16 19:13:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:13:02] [INFO ] Invariant cache hit.
[2023-03-16 19:13:11] [INFO ] Dead Transitions using invariants and state equation in 9191 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11157 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:13:11] [INFO ] Computed 13 place invariants in 50 ms
Finished random walk after 966629 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 2098 ms. (steps per millisecond=476 ) properties (out of 1) seen :1
[2023-03-16 19:13:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:13:43] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 19:13:44] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:13:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:13:59] [INFO ] [Real]Absence check using state equation in 15765 ms returned sat
[2023-03-16 19:14:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:14:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:14:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:14:13] [INFO ] [Nat]Absence check using state equation in 13518 ms returned sat
[2023-03-16 19:14:13] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:14:17] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:14:20] [INFO ] [Nat]Added 268 Read/Feed constraints in 6477 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 205 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:14:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:14:20] [INFO ] Invariant cache hit.
[2023-03-16 19:14:22] [INFO ] Implicit Places using invariants in 1905 ms returned []
Implicit Place search using SMT only with invariants took 1918 ms to find 0 implicit places.
[2023-03-16 19:14:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:14:22] [INFO ] Invariant cache hit.
[2023-03-16 19:14:31] [INFO ] Dead Transitions using invariants and state equation in 8970 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11068 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-03 in 164520 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-04
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:14:31] [INFO ] Computed 13 place invariants in 43 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 231 ms. (steps per millisecond=43 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:14:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:14:32] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:14:32] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:14:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:14:37] [INFO ] [Real]Absence check using state equation in 4947 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 146 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:14:37] [INFO ] Computed 13 place invariants in 58 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 27461 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 2128 ms. (steps per millisecond=469 ) properties (out of 1) seen :2
[2023-03-16 19:15:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:15:07] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:15:07] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2023-03-16 19:15:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:15:21] [INFO ] [Real]Absence check using state equation in 14475 ms returned sat
[2023-03-16 19:15:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:15:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:15:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:15:35] [INFO ] [Nat]Absence check using state equation in 13205 ms returned sat
[2023-03-16 19:15:35] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:15:38] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:15:41] [INFO ] [Nat]Added 268 Read/Feed constraints in 6059 ms returned sat
[2023-03-16 19:15:43] [INFO ] Deduced a trap composed of 64 places in 1511 ms of which 1 ms to minimize.
[2023-03-16 19:15:44] [INFO ] Deduced a trap composed of 48 places in 1133 ms of which 0 ms to minimize.
[2023-03-16 19:15:45] [INFO ] Deduced a trap composed of 64 places in 937 ms of which 1 ms to minimize.
[2023-03-16 19:15:46] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 5120 ms
[2023-03-16 19:15:48] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 1960 ms.
[2023-03-16 19:15:49] [INFO ] Added : 0 causal constraints over 0 iterations in 3027 ms. Result :sat
Current structural bounds on expressions (after SMT) : [5] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 190 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 179 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:15:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:15:50] [INFO ] Invariant cache hit.
[2023-03-16 19:15:52] [INFO ] Implicit Places using invariants in 1871 ms returned []
Implicit Place search using SMT only with invariants took 1872 ms to find 0 implicit places.
[2023-03-16 19:15:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:15:52] [INFO ] Invariant cache hit.
[2023-03-16 19:16:00] [INFO ] Dead Transitions using invariants and state equation in 8713 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10771 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:16:01] [INFO ] Computed 13 place invariants in 55 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29830 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 2666 ms. (steps per millisecond=375 ) properties (out of 1) seen :1
[2023-03-16 19:16:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:16:33] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:16:33] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:16:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:16:50] [INFO ] [Real]Absence check using state equation in 16940 ms returned sat
[2023-03-16 19:16:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:16:51] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:16:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:17:05] [INFO ] [Nat]Absence check using state equation in 14346 ms returned sat
[2023-03-16 19:17:05] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:17:09] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:17:12] [INFO ] [Nat]Added 268 Read/Feed constraints in 6461 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 185 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:17:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:17:12] [INFO ] Invariant cache hit.
[2023-03-16 19:17:14] [INFO ] Implicit Places using invariants in 1832 ms returned []
Implicit Place search using SMT only with invariants took 1833 ms to find 0 implicit places.
[2023-03-16 19:17:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:17:14] [INFO ] Invariant cache hit.
[2023-03-16 19:17:23] [INFO ] Dead Transitions using invariants and state equation in 9139 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11161 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-04 in 171757 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-05
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:17:23] [INFO ] Computed 13 place invariants in 45 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 284 ms. (steps per millisecond=35 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:17:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:17:23] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:17:23] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:17:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:17:28] [INFO ] [Real]Absence check using state equation in 4940 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:17:29] [INFO ] Computed 13 place invariants in 52 ms
Finished random walk after 937937 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 3304 ms. (steps per millisecond=302 ) properties (out of 1) seen :4
[2023-03-16 19:18:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:18:02] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 19:18:02] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:18:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:18:22] [INFO ] [Real]Absence check using state equation in 19425 ms returned sat
[2023-03-16 19:18:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:18:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:18:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:18:36] [INFO ] [Nat]Absence check using state equation in 13617 ms returned sat
[2023-03-16 19:18:36] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:18:39] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:18:42] [INFO ] [Nat]Added 268 Read/Feed constraints in 6529 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 182 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 177 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:18:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:18:43] [INFO ] Invariant cache hit.
[2023-03-16 19:18:45] [INFO ] Implicit Places using invariants in 1877 ms returned []
Implicit Place search using SMT only with invariants took 1879 ms to find 0 implicit places.
[2023-03-16 19:18:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:18:45] [INFO ] Invariant cache hit.
[2023-03-16 19:18:53] [INFO ] Dead Transitions using invariants and state equation in 8928 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10988 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:18:54] [INFO ] Computed 13 place invariants in 52 ms
Finished random walk after 937876 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=31 )
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 3223 ms. (steps per millisecond=310 ) properties (out of 1) seen :3
[2023-03-16 19:19:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:19:27] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 19:19:27] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:19:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:19:47] [INFO ] [Real]Absence check using state equation in 19918 ms returned sat
[2023-03-16 19:19:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:19:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:19:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:20:03] [INFO ] [Nat]Absence check using state equation in 16110 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 192 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:20:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:20:04] [INFO ] Invariant cache hit.
[2023-03-16 19:20:06] [INFO ] Implicit Places using invariants in 1873 ms returned []
Implicit Place search using SMT only with invariants took 1885 ms to find 0 implicit places.
[2023-03-16 19:20:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:20:06] [INFO ] Invariant cache hit.
[2023-03-16 19:20:15] [INFO ] Dead Transitions using invariants and state equation in 9320 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11415 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-05 in 172156 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-06
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:20:15] [INFO ] Computed 13 place invariants in 56 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 283 ms. (steps per millisecond=35 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:20:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:20:16] [INFO ] Computed 13 place invariants in 50 ms
[2023-03-16 19:20:16] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:20:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:20:21] [INFO ] [Real]Absence check using state equation in 4947 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:20:21] [INFO ] Computed 13 place invariants in 47 ms
Finished random walk after 996098 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 3222 ms. (steps per millisecond=310 ) properties (out of 1) seen :1
[2023-03-16 19:20:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:20:54] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:20:54] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:20:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:21:11] [INFO ] [Real]Absence check using state equation in 17162 ms returned sat
[2023-03-16 19:21:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:21:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:21:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:21:30] [INFO ] [Nat]Absence check using state equation in 18513 ms returned sat
[2023-03-16 19:21:30] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:21:34] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:21:37] [INFO ] [Nat]Added 268 Read/Feed constraints in 6478 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:21:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:21:37] [INFO ] Invariant cache hit.
[2023-03-16 19:21:39] [INFO ] Implicit Places using invariants in 1856 ms returned []
Implicit Place search using SMT only with invariants took 1864 ms to find 0 implicit places.
[2023-03-16 19:21:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:21:39] [INFO ] Invariant cache hit.
[2023-03-16 19:21:49] [INFO ] Dead Transitions using invariants and state equation in 9532 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11586 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-06 in 93640 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-07
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:21:49] [INFO ] Computed 13 place invariants in 52 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 262 ms. (steps per millisecond=38 ) properties (out of 1) seen :5
FORMULA RERS17pb113-PT-5-UpperBounds-07 5 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-07 in 338 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-08
[2023-03-16 19:21:49] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 267 ms. (steps per millisecond=37 ) 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
[2023-03-16 19:21:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:21:49] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 19:21:50] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:21:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:21:55] [INFO ] [Real]Absence check using state equation in 4946 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[0]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 208 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:21:55] [INFO ] Computed 13 place invariants in 55 ms
Finished random walk after 968172 steps, including 2 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=32 )
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 2034 ms. (steps per millisecond=491 ) properties (out of 1) seen :1
[2023-03-16 19:22:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:22:27] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 19:22:27] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:22:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:22:42] [INFO ] [Real]Absence check using state equation in 15011 ms returned sat
[2023-03-16 19:22:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:22:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:22:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:22:56] [INFO ] [Nat]Absence check using state equation in 13110 ms returned sat
[2023-03-16 19:22:56] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:22:59] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:23:02] [INFO ] [Nat]Added 268 Read/Feed constraints in 6476 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 170 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:23:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:23:03] [INFO ] Invariant cache hit.
[2023-03-16 19:23:04] [INFO ] Implicit Places using invariants in 1806 ms returned []
Implicit Place search using SMT only with invariants took 1825 ms to find 0 implicit places.
[2023-03-16 19:23:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:23:04] [INFO ] Invariant cache hit.
[2023-03-16 19:23:14] [INFO ] Dead Transitions using invariants and state equation in 9401 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11410 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:23:14] [INFO ] Computed 13 place invariants in 49 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29183 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1899 ms. (steps per millisecond=526 ) properties (out of 1) seen :1
[2023-03-16 19:23:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:23:45] [INFO ] Computed 13 place invariants in 46 ms
[2023-03-16 19:23:45] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:23:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:23:59] [INFO ] [Real]Absence check using state equation in 13825 ms returned sat
[2023-03-16 19:23:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:23:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:23:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:24:12] [INFO ] [Nat]Absence check using state equation in 12822 ms returned sat
[2023-03-16 19:24:12] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:24:16] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:24:19] [INFO ] [Nat]Added 268 Read/Feed constraints in 6442 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:24:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:24:19] [INFO ] Invariant cache hit.
[2023-03-16 19:24:21] [INFO ] Implicit Places using invariants in 1758 ms returned []
Implicit Place search using SMT only with invariants took 1769 ms to find 0 implicit places.
[2023-03-16 19:24:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:24:21] [INFO ] Invariant cache hit.
[2023-03-16 19:24:30] [INFO ] Dead Transitions using invariants and state equation in 8860 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10810 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-08 in 160608 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-09
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:24:30] [INFO ] Computed 13 place invariants in 49 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=42 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:24:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:24:30] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 19:24:30] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:24:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:24:35] [INFO ] [Real]Absence check using state equation in 4954 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:24:35] [INFO ] Computed 13 place invariants in 51 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28997 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3510 ms. (steps per millisecond=284 ) properties (out of 1) seen :1
[2023-03-16 19:25:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:25:08] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 19:25:08] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:25:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:25:20] [INFO ] [Real]Absence check using state equation in 11757 ms returned sat
[2023-03-16 19:25:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:25:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:25:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:25:32] [INFO ] [Nat]Absence check using state equation in 11538 ms returned sat
[2023-03-16 19:25:32] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:25:35] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:25:38] [INFO ] [Nat]Added 268 Read/Feed constraints in 6472 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 187 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:25:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:25:39] [INFO ] Invariant cache hit.
[2023-03-16 19:25:40] [INFO ] Implicit Places using invariants in 1794 ms returned []
Implicit Place search using SMT only with invariants took 1811 ms to find 0 implicit places.
[2023-03-16 19:25:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:25:40] [INFO ] Invariant cache hit.
[2023-03-16 19:25:50] [INFO ] Dead Transitions using invariants and state equation in 9494 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11498 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-09 in 80343 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-10
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:25:50] [INFO ] Computed 13 place invariants in 50 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 227 ms. (steps per millisecond=44 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:25:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:25:50] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:25:50] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:25:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:25:55] [INFO ] [Real]Absence check using state equation in 4945 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:25:56] [INFO ] Computed 13 place invariants in 54 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29540 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 2038 ms. (steps per millisecond=490 ) properties (out of 1) seen :1
[2023-03-16 19:26:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:26:27] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:26:27] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:26:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:26:39] [INFO ] [Real]Absence check using state equation in 11332 ms returned sat
[2023-03-16 19:26:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:26:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:26:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:26:54] [INFO ] [Nat]Absence check using state equation in 15240 ms returned sat
[2023-03-16 19:26:55] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:26:58] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:27:01] [INFO ] [Nat]Added 268 Read/Feed constraints in 6463 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:27:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:27:01] [INFO ] Invariant cache hit.
[2023-03-16 19:27:03] [INFO ] Implicit Places using invariants in 1795 ms returned []
Implicit Place search using SMT only with invariants took 1818 ms to find 0 implicit places.
[2023-03-16 19:27:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:27:03] [INFO ] Invariant cache hit.
[2023-03-16 19:27:13] [INFO ] Dead Transitions using invariants and state equation in 9697 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11691 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-10 in 82903 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-11
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:27:13] [INFO ] Computed 13 place invariants in 54 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 219 ms. (steps per millisecond=45 ) properties (out of 1) seen :5
FORMULA RERS17pb113-PT-5-UpperBounds-11 5 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-11 in 296 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-12
[2023-03-16 19:27:13] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 254 ms. (steps per millisecond=39 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:27:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:27:14] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:27:14] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:27:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:27:19] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:27:19] [INFO ] Computed 13 place invariants in 55 ms
Finished random walk after 985962 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 2116 ms. (steps per millisecond=472 ) properties (out of 1) seen :1
[2023-03-16 19:27:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:27:51] [INFO ] Computed 13 place invariants in 52 ms
[2023-03-16 19:27:51] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:27:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:28:04] [INFO ] [Real]Absence check using state equation in 13096 ms returned sat
[2023-03-16 19:28:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:28:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:28:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:28:18] [INFO ] [Nat]Absence check using state equation in 13377 ms returned sat
[2023-03-16 19:28:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:28:22] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:28:25] [INFO ] [Nat]Added 268 Read/Feed constraints in 6463 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 177 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:28:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:28:25] [INFO ] Invariant cache hit.
[2023-03-16 19:28:27] [INFO ] Implicit Places using invariants in 1818 ms returned []
Implicit Place search using SMT only with invariants took 1836 ms to find 0 implicit places.
[2023-03-16 19:28:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:28:27] [INFO ] Invariant cache hit.
[2023-03-16 19:28:36] [INFO ] Dead Transitions using invariants and state equation in 9036 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11089 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-12 in 82735 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-13
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:28:36] [INFO ] Computed 13 place invariants in 45 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 260 ms. (steps per millisecond=38 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:28:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:28:36] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:28:36] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:28:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:28:41] [INFO ] [Real]Absence check using state equation in 4946 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 176 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:28:42] [INFO ] Computed 13 place invariants in 48 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29633 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 2407 ms. (steps per millisecond=415 ) properties (out of 1) seen :2
[2023-03-16 19:29:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:29:14] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 19:29:14] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:29:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:29:25] [INFO ] [Real]Absence check using state equation in 10798 ms returned sat
[2023-03-16 19:29:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:29:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2023-03-16 19:29:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:29:39] [INFO ] [Nat]Absence check using state equation in 13420 ms returned sat
[2023-03-16 19:29:39] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:29:42] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:29:45] [INFO ] [Nat]Added 268 Read/Feed constraints in 6464 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 176 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:29:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:29:45] [INFO ] Invariant cache hit.
[2023-03-16 19:29:47] [INFO ] Implicit Places using invariants in 1731 ms returned []
Implicit Place search using SMT only with invariants took 1759 ms to find 0 implicit places.
[2023-03-16 19:29:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:29:47] [INFO ] Invariant cache hit.
[2023-03-16 19:29:56] [INFO ] Dead Transitions using invariants and state equation in 8923 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10856 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:29:56] [INFO ] Computed 13 place invariants in 51 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28987 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2396 ms. (steps per millisecond=417 ) properties (out of 1) seen :1
[2023-03-16 19:30:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:30:28] [INFO ] Computed 13 place invariants in 46 ms
[2023-03-16 19:30:28] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:30:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:30:38] [INFO ] [Real]Absence check using state equation in 10207 ms returned sat
[2023-03-16 19:30:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:30:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:30:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:30:52] [INFO ] [Nat]Absence check using state equation in 13350 ms returned sat
[2023-03-16 19:30:52] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:30:55] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:30:58] [INFO ] [Nat]Added 268 Read/Feed constraints in 6442 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[2]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:30:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:30:59] [INFO ] Invariant cache hit.
[2023-03-16 19:31:00] [INFO ] Implicit Places using invariants in 1743 ms returned []
Implicit Place search using SMT only with invariants took 1756 ms to find 0 implicit places.
[2023-03-16 19:31:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:31:00] [INFO ] Invariant cache hit.
[2023-03-16 19:31:09] [INFO ] Dead Transitions using invariants and state equation in 8837 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10768 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-13 in 153315 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-14
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:31:09] [INFO ] Computed 13 place invariants in 51 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
[2023-03-16 19:31:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:31:10] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:31:10] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:31:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:31:15] [INFO ] [Real]Absence check using state equation in 4947 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 188 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:31:15] [INFO ] Computed 13 place invariants in 50 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 28612 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2156 ms. (steps per millisecond=463 ) properties (out of 1) seen :1
[2023-03-16 19:31:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:31:46] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:31:46] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2023-03-16 19:31:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:31:59] [INFO ] [Real]Absence check using state equation in 13510 ms returned sat
[2023-03-16 19:32:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:32:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:32:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:32:17] [INFO ] [Nat]Absence check using state equation in 16758 ms returned sat
[2023-03-16 19:32:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:32:20] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:32:23] [INFO ] [Nat]Added 268 Read/Feed constraints in 6515 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 1 iterations and 169 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY 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.
[2023-03-16 19:32:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:32:24] [INFO ] Invariant cache hit.
[2023-03-16 19:32:25] [INFO ] Implicit Places using invariants in 1853 ms returned []
Implicit Place search using SMT only with invariants took 1874 ms to find 0 implicit places.
[2023-03-16 19:32:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:32:25] [INFO ] Invariant cache hit.
[2023-03-16 19:32:35] [INFO ] Dead Transitions using invariants and state equation in 9145 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11212 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-14 in 85367 ms.
Starting property specific reduction for RERS17pb113-PT-5-UpperBounds-15
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:32:35] [INFO ] Computed 13 place invariants in 50 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 254 ms. (steps per millisecond=39 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
[2023-03-16 19:32:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:32:35] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:32:35] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:32:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:32:40] [INFO ] [Real]Absence check using state equation in 4949 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Normalized transition count is 18325 out of 31352 initially.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:32:40] [INFO ] Computed 13 place invariants in 58 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 29335 ms. (steps per millisecond=34 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1815 ms. (steps per millisecond=550 ) properties (out of 1) seen :1
[2023-03-16 19:33:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:33:12] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:33:12] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:33:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 19:33:25] [INFO ] [Real]Absence check using state equation in 13570 ms returned sat
[2023-03-16 19:33:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 19:33:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 19:33:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 19:33:41] [INFO ] [Nat]Absence check using state equation in 15682 ms returned sat
[2023-03-16 19:33:41] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:33:45] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 19:33:48] [INFO ] [Nat]Added 268 Read/Feed constraints in 6488 ms returned unknown
Current structural bounds on expressions (after SMT) : [5] Max seen :[1]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 181 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:33:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:33:48] [INFO ] Invariant cache hit.
[2023-03-16 19:33:50] [INFO ] Implicit Places using invariants in 1830 ms returned []
Implicit Place search using SMT only with invariants took 1854 ms to find 0 implicit places.
[2023-03-16 19:33:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:33:50] [INFO ] Invariant cache hit.
[2023-03-16 19:33:59] [INFO ] Dead Transitions using invariants and state equation in 9268 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11310 ms. Remains : 626/626 places, 31352/31352 transitions.
Ending property specific reduction for RERS17pb113-PT-5-UpperBounds-15 in 84808 ms.
[2023-03-16 19:34:02] [INFO ] Flatten gal took : 1602 ms
[2023-03-16 19:34:02] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/UpperBounds.sr.xml took 12 ms.
[2023-03-16 19:34:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 626 places, 31352 transitions and 125392 arcs took 108 ms.
Total runtime 2631700 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/1174/ub_0_ --maxsum=/tmp/1174/ub_1_ --maxsum=/tmp/1174/ub_2_ --maxsum=/tmp/1174/ub_3_ --maxsum=/tmp/1174/ub_4_ --maxsum=/tmp/1174/ub_5_ --maxsum=/tmp/1174/ub_6_ --maxsum=/tmp/1174/ub_7_ --maxsum=/tmp/1174/ub_8_ --maxsum=/tmp/1174/ub_9_ --maxsum=/tmp/1174/ub_10_ --maxsum=/tmp/1174/ub_11_
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 15344832 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16064748 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023

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-5"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is RERS17pb113-PT-5, 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 r329-tall-167889201500037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-5.tgz
mv RERS17pb113-PT-5 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 ;