fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r011-tall-162038006000146
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for AirplaneLD-PT-1000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
633.023 3600000.00 3624884.00 9336.40 [undef] Time out reached

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r011-tall-162038006000146.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is AirplaneLD-PT-1000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r011-tall-162038006000146
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 43M
-rw-r--r-- 1 mcc users 2.8M May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.8M May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 17M May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 77K Mar 28 15:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 192K Mar 28 15:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 223K Mar 28 15:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 903K Mar 28 15:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 412K Mar 23 01:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 874K Mar 23 01:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 300K Mar 22 09:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.2M Mar 22 09:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 26K Mar 22 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 47K Mar 22 09:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 7.8M May 5 16:51 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME AirplaneLD-PT-1000-00
FORMULA_NAME AirplaneLD-PT-1000-01
FORMULA_NAME AirplaneLD-PT-1000-02
FORMULA_NAME AirplaneLD-PT-1000-03
FORMULA_NAME AirplaneLD-PT-1000-04
FORMULA_NAME AirplaneLD-PT-1000-05
FORMULA_NAME AirplaneLD-PT-1000-06
FORMULA_NAME AirplaneLD-PT-1000-07
FORMULA_NAME AirplaneLD-PT-1000-08
FORMULA_NAME AirplaneLD-PT-1000-09
FORMULA_NAME AirplaneLD-PT-1000-10
FORMULA_NAME AirplaneLD-PT-1000-11
FORMULA_NAME AirplaneLD-PT-1000-12
FORMULA_NAME AirplaneLD-PT-1000-13
FORMULA_NAME AirplaneLD-PT-1000-14
FORMULA_NAME AirplaneLD-PT-1000-15

=== Now, execution of the tool begins

BK_START 1620427156311

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-07 22:39:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-07 22:39:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-07 22:39:18] [INFO ] Load time of PNML (sax parser for PT used): 486 ms
[2021-05-07 22:39:18] [INFO ] Transformed 7019 places.
[2021-05-07 22:39:18] [INFO ] Transformed 8008 transitions.
[2021-05-07 22:39:18] [INFO ] Found NUPN structural information;
[2021-05-07 22:39:18] [INFO ] Parsed PT model containing 7019 places and 8008 transitions in 571 ms.
Reduce places removed 3002 places and 0 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 254 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 12627 resets, run finished after 9891 ms. (steps per millisecond=10 ) properties seen :[1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1]
// Phase 1: matrix 8008 rows 4017 cols
[2021-05-07 22:39:30] [INFO ] Computed 3 place invariants in 1570 ms
[2021-05-07 22:39:31] [INFO ] [Real]Absence check using 2 positive place invariants in 84 ms returned sat
[2021-05-07 22:39:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:39:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:39:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:39:50] [INFO ] [Real]Absence check using state equation in 19268 ms returned (error "Failed to check-sat")
[2021-05-07 22:39:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:39:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:39:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:40:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:40:10] [INFO ] [Real]Absence check using state equation in 19366 ms returned unknown
[2021-05-07 22:40:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:40:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:40:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:40:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:40:30] [INFO ] [Real]Absence check using state equation in 19362 ms returned unknown
[2021-05-07 22:40:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:40:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:40:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:40:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:40:50] [INFO ] [Real]Absence check using state equation in 19384 ms returned unknown
[2021-05-07 22:40:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:40:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:40:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:41:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:41:10] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 22:41:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:41:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:41:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:41:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:41:30] [INFO ] [Real]Absence check using state equation in 19392 ms returned unknown
[2021-05-07 22:41:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:41:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:41:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:41:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:41:50] [INFO ] [Real]Absence check using state equation in 19405 ms returned (error "Failed to check-sat")
[2021-05-07 22:41:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:41:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:41:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:42:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:42:10] [INFO ] [Real]Absence check using state equation in 19383 ms returned unknown
[2021-05-07 22:42:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:42:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:42:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:42:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:42:30] [INFO ] [Real]Absence check using state equation in 19393 ms returned (error "Failed to check-sat")
[2021-05-07 22:42:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:42:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:42:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:42:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:42:50] [INFO ] [Real]Absence check using state equation in 19399 ms returned unknown
[2021-05-07 22:42:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:42:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:42:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:43:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:43:10] [INFO ] [Real]Absence check using state equation in 19402 ms returned (error "Failed to check-sat")
[2021-05-07 22:43:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:43:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:43:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:43:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:43:30] [INFO ] [Real]Absence check using state equation in 19390 ms returned unknown
[2021-05-07 22:43:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:43:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:43:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:43:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:43:50] [INFO ] [Real]Absence check using state equation in 19391 ms returned unknown
[2021-05-07 22:43:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:43:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 73 ms returned sat
[2021-05-07 22:43:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:44:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:44:10] [INFO ] [Real]Absence check using state equation in 19386 ms returned (error "Failed to check-sat")
[2021-05-07 22:44:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:44:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:44:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:44:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:44:30] [INFO ] [Real]Absence check using state equation in 19394 ms returned unknown
[2021-05-07 22:44:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:44:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:44:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:44:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:44:50] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 22:44:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:44:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:44:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:45:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:45:10] [INFO ] [Real]Absence check using state equation in 19392 ms returned unknown
[2021-05-07 22:45:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:45:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:45:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:45:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:45:30] [INFO ] [Real]Absence check using state equation in 19365 ms returned (error "Failed to check-sat")
[2021-05-07 22:45:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:45:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:45:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:45:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:45:50] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 22:45:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:45:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:45:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:46:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:46:10] [INFO ] [Real]Absence check using state equation in 19402 ms returned (error "Failed to check-sat")
[2021-05-07 22:46:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:46:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:46:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:46:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:46:30] [INFO ] [Real]Absence check using state equation in 19398 ms returned (error "Failed to check-sat")
[2021-05-07 22:46:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:46:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:46:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:46:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:46:50] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 22:46:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:46:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:46:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:47:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:47:10] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 22:47:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:47:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:47:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:47:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:47:30] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 22:47:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:47:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:47:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:47:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:47:50] [INFO ] [Real]Absence check using state equation in 19396 ms returned (error "Failed to check-sat")
[2021-05-07 22:47:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:47:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:47:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:48:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:48:10] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 22:48:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:48:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:48:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:48:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:48:30] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 22:48:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:48:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:48:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:48:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:48:50] [INFO ] [Real]Absence check using state equation in 19392 ms returned unknown
[2021-05-07 22:48:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:48:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:48:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:49:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:49:10] [INFO ] [Real]Absence check using state equation in 19393 ms returned (error "Failed to check-sat")
[2021-05-07 22:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:49:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:49:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:49:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:49:30] [INFO ] [Real]Absence check using state equation in 19388 ms returned unknown
[2021-05-07 22:49:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:49:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:49:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:49:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:49:50] [INFO ] [Real]Absence check using state equation in 19415 ms returned unknown
[2021-05-07 22:49:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:49:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:49:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:50:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:50:11] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 22:50:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:50:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:50:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:50:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:50:31] [INFO ] [Real]Absence check using state equation in 19389 ms returned unknown
[2021-05-07 22:50:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:50:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:50:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:50:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:50:51] [INFO ] [Real]Absence check using state equation in 19400 ms returned (error "Failed to check-sat")
[2021-05-07 22:50:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:50:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:50:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:51:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:51:11] [INFO ] [Real]Absence check using state equation in 19404 ms returned unknown
[2021-05-07 22:51:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:51:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:51:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:51:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:51:31] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 22:51:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:51:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:51:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:51:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:51:51] [INFO ] [Real]Absence check using state equation in 19404 ms returned (error "Failed to check-sat")
[2021-05-07 22:51:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:51:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:51:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:52:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:52:11] [INFO ] [Real]Absence check using state equation in 19398 ms returned (error "Failed to check-sat")
[2021-05-07 22:52:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:52:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:52:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:52:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:52:31] [INFO ] [Real]Absence check using state equation in 19396 ms returned unknown
[2021-05-07 22:52:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:52:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:52:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:52:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:52:51] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 22:52:51] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:52:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:52:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:53:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:53:11] [INFO ] [Real]Absence check using state equation in 19407 ms returned (error "Failed to check-sat")
[2021-05-07 22:53:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:53:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:53:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:53:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:53:31] [INFO ] [Real]Absence check using state equation in 19390 ms returned unknown
[2021-05-07 22:53:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:53:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 22:53:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:53:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:53:51] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 22:53:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:53:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:53:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:54:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:54:11] [INFO ] [Real]Absence check using state equation in 19387 ms returned unknown
[2021-05-07 22:54:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:54:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:54:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:54:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:54:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 22:54:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:54:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:54:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:54:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:54:51] [INFO ] [Real]Absence check using state equation in 19381 ms returned unknown
[2021-05-07 22:54:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:54:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:54:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:55:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:55:11] [INFO ] [Real]Absence check using state equation in 19394 ms returned (error "Failed to check-sat")
[2021-05-07 22:55:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:55:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:55:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:55:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:55:31] [INFO ] [Real]Absence check using state equation in 19390 ms returned (error "Failed to check-sat")
[2021-05-07 22:55:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 22:55:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:55:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:55:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:55:51] [INFO ] [Real]Absence check using state equation in 19395 ms returned unknown
[2021-05-07 22:55:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:55:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 22:55:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:56:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:56:11] [INFO ] [Real]Absence check using state equation in 19407 ms returned (error "Failed to check-sat")
[2021-05-07 22:56:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:56:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:56:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:56:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:56:31] [INFO ] [Real]Absence check using state equation in 19400 ms returned unknown
[2021-05-07 22:56:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:56:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:56:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:56:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:56:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned unknown
[2021-05-07 22:56:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:56:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:56:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:57:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:57:11] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 22:57:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:57:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:57:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:57:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:57:31] [INFO ] [Real]Absence check using state equation in 19406 ms returned unknown
[2021-05-07 22:57:31] [INFO ] [Real]Absence check using 2 positive place invariants in 78 ms returned sat
[2021-05-07 22:57:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 22:57:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:57:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:57:51] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 22:57:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:57:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:57:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:58:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:58:11] [INFO ] [Real]Absence check using state equation in 19394 ms returned unknown
[2021-05-07 22:58:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:58:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:58:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:58:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:58:31] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 22:58:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 22:58:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:58:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:58:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:58:51] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 22:58:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:58:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:58:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:59:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:59:11] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 22:59:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:59:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 22:59:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:59:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:59:31] [INFO ] [Real]Absence check using state equation in 19410 ms returned (error "Failed to check-sat")
[2021-05-07 22:59:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:59:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 22:59:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:59:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:59:51] [INFO ] [Real]Absence check using state equation in 19402 ms returned unknown
[2021-05-07 22:59:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 22:59:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 22:59:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:00:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:00:11] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 23:00:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:00:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:00:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:00:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:00:31] [INFO ] [Real]Absence check using state equation in 19396 ms returned (error "Failed to check-sat")
[2021-05-07 23:00:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:00:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:00:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:00:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:00:51] [INFO ] [Real]Absence check using state equation in 19408 ms returned unknown
[2021-05-07 23:00:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:00:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:00:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:01:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:01:11] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:01:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:01:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:01:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:01:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:01:31] [INFO ] [Real]Absence check using state equation in 19408 ms returned unknown
[2021-05-07 23:01:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:01:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:01:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:01:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:01:51] [INFO ] [Real]Absence check using state equation in 19410 ms returned unknown
[2021-05-07 23:01:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:01:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:01:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:02:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:02:11] [INFO ] [Real]Absence check using state equation in 19400 ms returned (error "Failed to check-sat")
[2021-05-07 23:02:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:02:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:02:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:02:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:02:31] [INFO ] [Real]Absence check using state equation in 19400 ms returned unknown
[2021-05-07 23:02:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:02:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:02:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:02:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:02:51] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 23:02:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:02:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:02:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:03:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:03:11] [INFO ] [Real]Absence check using state equation in 19386 ms returned (error "Failed to check-sat")
[2021-05-07 23:03:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:03:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:03:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:03:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:03:31] [INFO ] [Real]Absence check using state equation in 19389 ms returned (error "Failed to check-sat")
[2021-05-07 23:03:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:03:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:03:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:03:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:03:51] [INFO ] [Real]Absence check using state equation in 19396 ms returned (error "Failed to check-sat")
[2021-05-07 23:03:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:03:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:03:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:04:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:04:11] [INFO ] [Real]Absence check using state equation in 19390 ms returned (error "Failed to check-sat")
[2021-05-07 23:04:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:04:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:04:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:04:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:04:31] [INFO ] [Real]Absence check using state equation in 19396 ms returned unknown
[2021-05-07 23:04:31] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:04:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:04:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:04:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:04:51] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 23:04:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:04:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:04:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:05:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:05:11] [INFO ] [Real]Absence check using state equation in 19440 ms returned unknown
[2021-05-07 23:05:11] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:05:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:05:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:05:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:05:31] [INFO ] [Real]Absence check using state equation in 19397 ms returned (error "Failed to check-sat")
[2021-05-07 23:05:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:05:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:05:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:05:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:05:51] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 23:05:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:05:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:05:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:06:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:06:11] [INFO ] [Real]Absence check using state equation in 19401 ms returned unknown
[2021-05-07 23:06:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:06:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:06:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:06:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:06:31] [INFO ] [Real]Absence check using state equation in 19406 ms returned unknown
[2021-05-07 23:06:31] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:06:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 64 ms returned sat
[2021-05-07 23:06:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:06:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:06:51] [INFO ] [Real]Absence check using state equation in 19388 ms returned unknown
[2021-05-07 23:06:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:06:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:06:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:07:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:07:11] [INFO ] [Real]Absence check using state equation in 19386 ms returned unknown
[2021-05-07 23:07:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:07:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:07:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:07:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:07:31] [INFO ] [Real]Absence check using state equation in 19402 ms returned unknown
[2021-05-07 23:07:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:07:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:07:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:07:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:07:51] [INFO ] [Real]Absence check using state equation in 19387 ms returned unknown
[2021-05-07 23:07:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:07:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:07:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:08:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:08:11] [INFO ] [Real]Absence check using state equation in 19394 ms returned unknown
[2021-05-07 23:08:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:08:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:08:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:08:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:08:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned unknown
[2021-05-07 23:08:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:08:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 69 ms returned sat
[2021-05-07 23:08:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:08:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:08:51] [INFO ] [Real]Absence check using state equation in 19398 ms returned (error "Failed to check-sat")
[2021-05-07 23:08:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:08:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:08:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:09:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:09:11] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 23:09:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:09:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:09:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:09:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:09:31] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 23:09:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:09:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:09:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:09:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:09:51] [INFO ] [Real]Absence check using state equation in 19400 ms returned unknown
[2021-05-07 23:09:51] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:09:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:09:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:10:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:10:11] [INFO ] [Real]Absence check using state equation in 19395 ms returned unknown
[2021-05-07 23:10:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:10:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:10:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:10:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:10:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 23:10:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:10:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:10:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:10:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:10:51] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 23:10:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:10:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:10:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:11:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:11:11] [INFO ] [Real]Absence check using state equation in 19400 ms returned (error "Failed to check-sat")
[2021-05-07 23:11:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:11:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:11:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:11:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:11:31] [INFO ] [Real]Absence check using state equation in 19382 ms returned unknown
[2021-05-07 23:11:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:11:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:11:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:11:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:11:51] [INFO ] [Real]Absence check using state equation in 19394 ms returned unknown
[2021-05-07 23:11:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:11:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:11:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:12:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:12:11] [INFO ] [Real]Absence check using state equation in 19373 ms returned unknown
[2021-05-07 23:12:11] [INFO ] [Real]Absence check using 2 positive place invariants in 78 ms returned sat
[2021-05-07 23:12:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 23:12:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:12:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:12:31] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:12:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:12:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:12:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:12:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:12:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:12:51] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:12:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:12:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:13:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:13:11] [INFO ] [Real]Absence check using state equation in 19396 ms returned unknown
[2021-05-07 23:13:11] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:13:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:13:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:13:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:13:31] [INFO ] [Real]Absence check using state equation in 19387 ms returned unknown
[2021-05-07 23:13:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:13:31] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:13:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:13:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:13:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned unknown
[2021-05-07 23:13:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:13:51] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:13:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:14:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:14:11] [INFO ] [Real]Absence check using state equation in 19391 ms returned unknown
[2021-05-07 23:14:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:14:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:14:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:14:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:14:31] [INFO ] [Real]Absence check using state equation in 19398 ms returned unknown
[2021-05-07 23:14:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:14:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:14:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:14:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:14:51] [INFO ] [Real]Absence check using state equation in 19391 ms returned unknown
[2021-05-07 23:14:51] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:14:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:14:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:15:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:15:11] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 23:15:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:15:11] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 23:15:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:15:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:15:31] [INFO ] [Real]Absence check using state equation in 19424 ms returned (error "Failed to check-sat")
[2021-05-07 23:15:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:15:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:15:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:15:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:15:51] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 23:15:51] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:15:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 23:15:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:16:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:16:11] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 23:16:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:16:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:16:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:16:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:16:31] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 23:16:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:16:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:16:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:16:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:16:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:16:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:16:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:16:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:17:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:17:11] [INFO ] [Real]Absence check using state equation in 19398 ms returned unknown
[2021-05-07 23:17:11] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:17:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:17:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:17:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:17:31] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 23:17:31] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:17:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:17:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:17:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:17:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned unknown
[2021-05-07 23:17:51] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:17:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:17:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:18:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:18:11] [INFO ] [Real]Absence check using state equation in 19408 ms returned (error "Failed to check-sat")
[2021-05-07 23:18:11] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:18:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:18:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:18:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:18:31] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 23:18:31] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:18:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:18:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:18:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:18:51] [INFO ] [Real]Absence check using state equation in 19403 ms returned (error "Failed to check-sat")
[2021-05-07 23:18:52] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:18:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:18:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:19:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:19:11] [INFO ] [Real]Absence check using state equation in 19386 ms returned unknown
[2021-05-07 23:19:12] [INFO ] [Real]Absence check using 2 positive place invariants in 78 ms returned sat
[2021-05-07 23:19:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:19:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:19:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:19:31] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 23:19:32] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:19:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:19:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:19:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:19:51] [INFO ] [Real]Absence check using state equation in 19390 ms returned unknown
[2021-05-07 23:19:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:19:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:19:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:20:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:20:11] [INFO ] [Real]Absence check using state equation in 19384 ms returned (error "Failed to check-sat")
[2021-05-07 23:20:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:20:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:20:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:20:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:20:31] [INFO ] [Real]Absence check using state equation in 19393 ms returned unknown
[2021-05-07 23:20:32] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:20:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:20:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:20:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:20:51] [INFO ] [Real]Absence check using state equation in 19393 ms returned (error "Failed to check-sat")
[2021-05-07 23:20:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:20:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:20:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:21:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:21:11] [INFO ] [Real]Absence check using state equation in 19409 ms returned (error "Failed to check-sat")
[2021-05-07 23:21:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:21:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:21:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:21:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:21:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned unknown
[2021-05-07 23:21:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:21:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:21:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:21:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:21:51] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:21:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:21:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:21:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:22:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:22:11] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 23:22:12] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:22:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:22:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:22:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:22:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned unknown
[2021-05-07 23:22:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:22:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:22:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:22:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:22:51] [INFO ] [Real]Absence check using state equation in 19405 ms returned (error "Failed to check-sat")
[2021-05-07 23:22:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:22:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:22:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:23:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:23:11] [INFO ] [Real]Absence check using state equation in 19402 ms returned (error "Failed to check-sat")
[2021-05-07 23:23:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:23:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:23:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:23:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:23:31] [INFO ] [Real]Absence check using state equation in 19395 ms returned (error "Failed to check-sat")
[2021-05-07 23:23:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:23:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:23:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:23:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:23:51] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 23:23:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:23:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 64 ms returned sat
[2021-05-07 23:23:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:24:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:24:11] [INFO ] [Real]Absence check using state equation in 19395 ms returned unknown
[2021-05-07 23:24:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:24:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:24:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:24:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:24:31] [INFO ] [Real]Absence check using state equation in 19390 ms returned (error "Failed to check-sat")
[2021-05-07 23:24:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:24:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:24:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:24:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:24:51] [INFO ] [Real]Absence check using state equation in 19397 ms returned unknown
[2021-05-07 23:24:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:24:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:24:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:25:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:25:11] [INFO ] [Real]Absence check using state equation in 19391 ms returned unknown
[2021-05-07 23:25:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:25:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:25:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:25:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:25:31] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:25:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:25:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:25:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:25:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:25:51] [INFO ] [Real]Absence check using state equation in 19404 ms returned unknown
[2021-05-07 23:25:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:25:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:25:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:26:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:26:11] [INFO ] [Real]Absence check using state equation in 19404 ms returned (error "Failed to check-sat")
[2021-05-07 23:26:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:26:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:26:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:26:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:26:31] [INFO ] [Real]Absence check using state equation in 19398 ms returned unknown
[2021-05-07 23:26:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:26:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:26:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:26:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:26:51] [INFO ] [Real]Absence check using state equation in 19402 ms returned unknown
[2021-05-07 23:26:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:26:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:26:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:27:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:27:11] [INFO ] [Real]Absence check using state equation in 19400 ms returned (error "Failed to check-sat")
[2021-05-07 23:27:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:27:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:27:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:27:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:27:31] [INFO ] [Real]Absence check using state equation in 19404 ms returned unknown
[2021-05-07 23:27:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:27:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:27:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:27:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:27:51] [INFO ] [Real]Absence check using state equation in 19404 ms returned unknown
[2021-05-07 23:27:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:27:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:27:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:28:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:28:11] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 23:28:12] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:28:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 60 ms returned sat
[2021-05-07 23:28:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:28:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:28:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned (error "Failed to check-sat")
[2021-05-07 23:28:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:28:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:28:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:28:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:28:51] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 23:28:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:28:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:28:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:29:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:29:11] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 23:29:12] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:29:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:29:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:29:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:29:31] [INFO ] [Real]Absence check using state equation in 19384 ms returned unknown
[2021-05-07 23:29:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:29:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:29:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:29:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:29:51] [INFO ] [Real]Absence check using state equation in 19400 ms returned (error "Failed to check-sat")
[2021-05-07 23:29:52] [INFO ] [Real]Absence check using 2 positive place invariants in 74 ms returned sat
[2021-05-07 23:29:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:29:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:30:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:30:11] [INFO ] [Real]Absence check using state equation in 19403 ms returned (error "Failed to check-sat")
[2021-05-07 23:30:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:30:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:30:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:30:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:30:31] [INFO ] [Real]Absence check using state equation in 19398 ms returned unknown
[2021-05-07 23:30:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:30:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:30:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:30:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:30:51] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 23:30:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:30:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:30:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:31:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:31:11] [INFO ] [Real]Absence check using state equation in 19406 ms returned unknown
[2021-05-07 23:31:12] [INFO ] [Real]Absence check using 2 positive place invariants in 79 ms returned sat
[2021-05-07 23:31:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:31:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:31:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:31:31] [INFO ] [Real]Absence check using state equation in 19379 ms returned (error "Failed to check-sat")
[2021-05-07 23:31:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:31:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:31:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:31:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:31:51] [INFO ] [Real]Absence check using state equation in 19406 ms returned (error "Failed to check-sat")
[2021-05-07 23:31:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:31:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:31:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:32:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:32:11] [INFO ] [Real]Absence check using state equation in 19386 ms returned (error "Failed to check-sat")
[2021-05-07 23:32:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:32:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:32:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:32:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:32:31] [INFO ] [Real]Absence check using state equation in 19392 ms returned (error "Failed to check-sat")
[2021-05-07 23:32:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:32:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:32:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:32:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:32:51] [INFO ] [Real]Absence check using state equation in 19389 ms returned unknown
[2021-05-07 23:32:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:32:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:32:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:33:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:33:11] [INFO ] [Real]Absence check using state equation in 19394 ms returned unknown
[2021-05-07 23:33:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:33:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:33:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:33:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:33:31] [INFO ] [Real]Absence check using state equation in 19282 ms returned unknown
[2021-05-07 23:33:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:33:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:33:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:33:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:33:51] [INFO ] [Real]Absence check using state equation in 19391 ms returned unknown
[2021-05-07 23:33:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:33:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:33:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:34:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:34:11] [INFO ] [Real]Absence check using state equation in 19399 ms returned (error "Failed to check-sat")
[2021-05-07 23:34:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:34:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:34:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:34:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:34:31] [INFO ] [Real]Absence check using state equation in 19403 ms returned unknown
[2021-05-07 23:34:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:34:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:34:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:34:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:34:51] [INFO ] [Real]Absence check using state equation in 19396 ms returned unknown
[2021-05-07 23:34:52] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:34:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:34:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:35:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:35:11] [INFO ] [Real]Absence check using state equation in 19390 ms returned (error "Failed to check-sat")
[2021-05-07 23:35:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:35:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:35:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:35:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:35:31] [INFO ] [Real]Absence check using state equation in 19401 ms returned unknown
[2021-05-07 23:35:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:35:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:35:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:35:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:35:51] [INFO ] [Real]Absence check using state equation in 19392 ms returned unknown
[2021-05-07 23:35:52] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:35:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:35:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:36:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:36:11] [INFO ] [Real]Absence check using state equation in 19389 ms returned (error "Failed to check-sat")
[2021-05-07 23:36:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:36:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:36:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:36:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:36:31] [INFO ] [Real]Absence check using state equation in 19403 ms returned (error "Failed to check-sat")
[2021-05-07 23:36:32] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:36:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:36:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:36:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:36:51] [INFO ] [Real]Absence check using state equation in 19391 ms returned (error "Failed to check-sat")
[2021-05-07 23:36:52] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:36:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 61 ms returned sat
[2021-05-07 23:36:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:37:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:37:11] [INFO ] [Real]Absence check using state equation in 19396 ms returned unknown
[2021-05-07 23:37:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:37:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:37:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:37:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:37:31] [INFO ] [Real]Absence check using state equation in 19375 ms returned unknown
[2021-05-07 23:37:32] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:37:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:37:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:37:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:37:51] [INFO ] [Real]Absence check using state equation in 19384 ms returned unknown
[2021-05-07 23:37:52] [INFO ] [Real]Absence check using 2 positive place invariants in 77 ms returned sat
[2021-05-07 23:37:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:37:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:38:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:38:11] [INFO ] [Real]Absence check using state equation in 19386 ms returned unknown
[2021-05-07 23:38:12] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:38:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:38:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:38:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:38:31] [INFO ] [Real]Absence check using state equation in 19393 ms returned (error "Failed to check-sat")
[2021-05-07 23:38:32] [INFO ] [Real]Absence check using 2 positive place invariants in 76 ms returned sat
[2021-05-07 23:38:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 63 ms returned sat
[2021-05-07 23:38:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:38:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:38:51] [INFO ] [Real]Absence check using state equation in 19402 ms returned unknown
[2021-05-07 23:38:52] [INFO ] [Real]Absence check using 2 positive place invariants in 78 ms returned sat
[2021-05-07 23:38:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 64 ms returned sat
[2021-05-07 23:38:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 23:39:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 23:39:11] [INFO ] [Real]Absence check using state equation in 19399 ms returned unknown
[2021-05-07 23:39:12] [INFO ] [Real]Absence check using 2 positive place invariants in 75 ms returned sat
[2021-05-07 23:39:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 62 ms returned sat
[2021-05-07 23:39:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 15542872 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16103072 kB

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

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="AirplaneLD-PT-1000"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is AirplaneLD-PT-1000, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r011-tall-162038006000146"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-1000.tgz
mv AirplaneLD-PT-1000 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;