About the Execution of ITS-Tools for AirplaneLD-PT-1000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15741.330 | 3600000.00 | 3619695.00 | 6530.70 | [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/mcc2020-input.r006-smll-158897515800294.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2020-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 itstools
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 r006-smll-158897515800294
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 74K Mar 24 10:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 179K Mar 24 10:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 117K Mar 24 09:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 492K Mar 24 09:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 567K Apr 8 14:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.5M Apr 29 06:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 170K Apr 8 14:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 692K Apr 29 06:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 347K Mar 24 08:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 777K Mar 24 08:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 257K Mar 24 06:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.1M Mar 24 06:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 73K Mar 24 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 134K Mar 24 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 7.8M Mar 24 05:37 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 1589461099565
[2020-05-14 12:58:22] [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, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-14 12:58:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-14 12:58:23] [INFO ] Load time of PNML (sax parser for PT used): 781 ms
[2020-05-14 12:58:23] [INFO ] Transformed 7019 places.
[2020-05-14 12:58:23] [INFO ] Transformed 8008 transitions.
[2020-05-14 12:58:23] [INFO ] Found NUPN structural information;
[2020-05-14 12:58:23] [INFO ] Parsed PT model containing 7019 places and 8008 transitions in 926 ms.
Reduce places removed 3002 places and 0 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 267 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 12604 resets, run finished after 10273 ms. (steps per millisecond=9 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1]
// Phase 1: matrix 8008 rows 4017 cols
[2020-05-14 12:58:36] [INFO ] Computed 3 place invariants in 2516 ms
[2020-05-14 12:58:38] [INFO ] [Real]Absence check using 2 positive place invariants in 207 ms returned sat
[2020-05-14 12:58:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 163 ms returned sat
[2020-05-14 12:58:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 12:58:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (= s1527 (- t1525 t4530))") while checking expression at index 0
[2020-05-14 12:58:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 12:58:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 12:58:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 12:59:16] [INFO ] [Real]Absence check using state equation in 18425 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 12:59:18] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 12:59:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 172 ms returned sat
[2020-05-14 12:59:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 12:59:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 12:59:36] [INFO ] [Real]Absence check using state equation in 18632 ms returned (error "Failed to check-sat")
[2020-05-14 12:59:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 12:59:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 12:59:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 12:59:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 12:59:56] [INFO ] [Real]Absence check using state equation in 18545 ms returned unknown
[2020-05-14 12:59:58] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 12:59:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 12:59:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:00:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:00:16] [INFO ] [Real]Absence check using state equation in 18567 ms returned unknown
[2020-05-14 13:00:18] [INFO ] [Real]Absence check using 2 positive place invariants in 200 ms returned sat
[2020-05-14 13:00:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:00:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:00:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:00:36] [INFO ] [Real]Absence check using state equation in 18603 ms returned (error "Failed to check-sat")
[2020-05-14 13:00:37] [INFO ] [Real]Absence check using 2 positive place invariants in 128 ms returned sat
[2020-05-14 13:00:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 110 ms returned sat
[2020-05-14 13:00:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:00:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:00:56] [INFO ] [Real]Absence check using state equation in 18873 ms returned unknown
[2020-05-14 13:00:57] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 13:00:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 114 ms returned sat
[2020-05-14 13:00:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:01:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:01:16] [INFO ] [Real]Absence check using state equation in 19013 ms returned (error "Failed to check-sat")
[2020-05-14 13:01:17] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:01:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 112 ms returned sat
[2020-05-14 13:01:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:01:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:01:36] [INFO ] [Real]Absence check using state equation in 18992 ms returned unknown
[2020-05-14 13:01:37] [INFO ] [Real]Absence check using 2 positive place invariants in 132 ms returned sat
[2020-05-14 13:01:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 113 ms returned sat
[2020-05-14 13:01:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:01:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:01:56] [INFO ] [Real]Absence check using state equation in 19021 ms returned unknown
[2020-05-14 13:01:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:01:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:01:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:02:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:02:16] [INFO ] [Real]Absence check using state equation in 18540 ms returned (error "Failed to check-sat")
[2020-05-14 13:02:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:02:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:02:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:02:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:02:36] [INFO ] [Real]Absence check using state equation in 18716 ms returned unknown
[2020-05-14 13:02:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:02:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:02:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:02:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:02:56] [INFO ] [Real]Absence check using state equation in 18544 ms returned (error "Failed to check-sat")
[2020-05-14 13:02:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:02:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:02:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:03:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:03:16] [INFO ] [Real]Absence check using state equation in 18440 ms returned (error "Failed to check-sat")
[2020-05-14 13:03:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:03:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:03:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:03:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:03:36] [INFO ] [Real]Absence check using state equation in 18553 ms returned unknown
[2020-05-14 13:03:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:03:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:03:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:03:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:03:56] [INFO ] [Real]Absence check using state equation in 18707 ms returned (error "Failed to check-sat")
[2020-05-14 13:03:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:03:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:03:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:04:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:04:16] [INFO ] [Real]Absence check using state equation in 18648 ms returned unknown
[2020-05-14 13:04:18] [INFO ] [Real]Absence check using 2 positive place invariants in 209 ms returned sat
[2020-05-14 13:04:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 184 ms returned sat
[2020-05-14 13:04:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:04:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:04:37] [INFO ] [Real]Absence check using state equation in 18537 ms returned (error "Failed to check-sat")
[2020-05-14 13:04:38] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:04:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:04:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:04:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:04:57] [INFO ] [Real]Absence check using state equation in 18647 ms returned (error "Failed to check-sat")
[2020-05-14 13:04:58] [INFO ] [Real]Absence check using 2 positive place invariants in 155 ms returned sat
[2020-05-14 13:04:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 118 ms returned sat
[2020-05-14 13:04:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:05:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:05:17] [INFO ] [Real]Absence check using state equation in 18897 ms returned (error "Failed to check-sat")
[2020-05-14 13:05:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:05:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:05:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:05:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:05:37] [INFO ] [Real]Absence check using state equation in 18402 ms returned unknown
[2020-05-14 13:05:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:05:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:05:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:05:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:05:57] [INFO ] [Real]Absence check using state equation in 18491 ms returned (error "Failed to check-sat")
[2020-05-14 13:05:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:05:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:05:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:06:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:06:17] [INFO ] [Real]Absence check using state equation in 18728 ms returned (error "Failed to check-sat")
[2020-05-14 13:06:18] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:06:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:06:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:06:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:06:37] [INFO ] [Real]Absence check using state equation in 18491 ms returned unknown
[2020-05-14 13:06:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:06:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:06:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:06:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:06:57] [INFO ] [Real]Absence check using state equation in 18484 ms returned (error "Failed to check-sat")
[2020-05-14 13:06:58] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:06:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:06:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:07:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:07:17] [INFO ] [Real]Absence check using state equation in 18786 ms returned (error "Failed to check-sat")
[2020-05-14 13:07:18] [INFO ] [Real]Absence check using 2 positive place invariants in 126 ms returned sat
[2020-05-14 13:07:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 111 ms returned sat
[2020-05-14 13:07:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:07:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:07:37] [INFO ] [Real]Absence check using state equation in 18712 ms returned unknown
[2020-05-14 13:07:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:07:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:07:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:07:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:07:57] [INFO ] [Real]Absence check using state equation in 18513 ms returned unknown
[2020-05-14 13:07:58] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:07:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:07:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:08:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:08:17] [INFO ] [Real]Absence check using state equation in 18741 ms returned (error "Failed to check-sat")
[2020-05-14 13:08:18] [INFO ] [Real]Absence check using 2 positive place invariants in 145 ms returned sat
[2020-05-14 13:08:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 131 ms returned sat
[2020-05-14 13:08:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:08:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:08:37] [INFO ] [Real]Absence check using state equation in 18963 ms returned unknown
[2020-05-14 13:08:37] [INFO ] [Real]Absence check using 2 positive place invariants in 141 ms returned sat
[2020-05-14 13:08:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 124 ms returned sat
[2020-05-14 13:08:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:08:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:08:57] [INFO ] [Real]Absence check using state equation in 19178 ms returned (error "Failed to check-sat")
[2020-05-14 13:08:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:08:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:08:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:09:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:09:17] [INFO ] [Real]Absence check using state equation in 18719 ms returned unknown
[2020-05-14 13:09:18] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:09:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:09:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:09:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:09:37] [INFO ] [Real]Absence check using state equation in 18548 ms returned unknown
[2020-05-14 13:09:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:09:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:09:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:09:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:09:57] [INFO ] [Real]Absence check using state equation in 18484 ms returned (error "Failed to check-sat")
[2020-05-14 13:09:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:09:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:09:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:10:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:10:17] [INFO ] [Real]Absence check using state equation in 18765 ms returned unknown
[2020-05-14 13:10:18] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:10:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:10:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:10:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:10:37] [INFO ] [Real]Absence check using state equation in 18726 ms returned (error "Failed to check-sat")
[2020-05-14 13:10:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:10:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:10:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:10:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:10:57] [INFO ] [Real]Absence check using state equation in 18741 ms returned unknown
[2020-05-14 13:10:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:10:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:10:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:11:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:11:17] [INFO ] [Real]Absence check using state equation in 18717 ms returned (error "Failed to check-sat")
[2020-05-14 13:11:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:11:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:11:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:11:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:11:37] [INFO ] [Real]Absence check using state equation in 18690 ms returned unknown
[2020-05-14 13:11:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:11:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:11:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:11:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:11:57] [INFO ] [Real]Absence check using state equation in 18717 ms returned (error "Failed to check-sat")
[2020-05-14 13:11:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:11:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:11:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:12:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:12:17] [INFO ] [Real]Absence check using state equation in 18717 ms returned unknown
[2020-05-14 13:12:18] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:12:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:12:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:12:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:12:37] [INFO ] [Real]Absence check using state equation in 18710 ms returned unknown
[2020-05-14 13:12:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:12:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:12:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:12:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:12:57] [INFO ] [Real]Absence check using state equation in 18904 ms returned (error "Failed to check-sat")
[2020-05-14 13:12:58] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:12:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:12:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:13:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:13:17] [INFO ] [Real]Absence check using state equation in 18715 ms returned unknown
[2020-05-14 13:13:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:13:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:13:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:13:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:13:37] [INFO ] [Real]Absence check using state equation in 18667 ms returned unknown
[2020-05-14 13:13:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:13:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:13:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:13:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:13:57] [INFO ] [Real]Absence check using state equation in 18686 ms returned unknown
[2020-05-14 13:13:58] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:13:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:13:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:14:17] [INFO ] [Real]Absence check using state equation in 18660 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 13:14:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:14:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:14:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:14:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:14:37] [INFO ] [Real]Absence check using state equation in 18669 ms returned unknown
[2020-05-14 13:14:38] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:14:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:14:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:14:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:14:57] [INFO ] [Real]Absence check using state equation in 18622 ms returned (error "Failed to check-sat")
[2020-05-14 13:14:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:14:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 182 ms returned sat
[2020-05-14 13:14:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:15:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:15:17] [INFO ] [Real]Absence check using state equation in 18685 ms returned unknown
[2020-05-14 13:15:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:15:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:15:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:15:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:15:37] [INFO ] [Real]Absence check using state equation in 18611 ms returned unknown
[2020-05-14 13:15:38] [INFO ] [Real]Absence check using 2 positive place invariants in 180 ms returned sat
[2020-05-14 13:15:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 153 ms returned sat
[2020-05-14 13:15:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:15:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:15:57] [INFO ] [Real]Absence check using state equation in 18819 ms returned unknown
[2020-05-14 13:15:58] [INFO ] [Real]Absence check using 2 positive place invariants in 160 ms returned sat
[2020-05-14 13:15:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 154 ms returned sat
[2020-05-14 13:15:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:16:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:16:17] [INFO ] [Real]Absence check using state equation in 18879 ms returned (error "Failed to check-sat")
[2020-05-14 13:16:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:16:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:16:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:16:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:16:37] [INFO ] [Real]Absence check using state equation in 18626 ms returned (error "Failed to check-sat")
[2020-05-14 13:16:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:16:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:16:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:16:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:16:57] [INFO ] [Real]Absence check using state equation in 18828 ms returned (error "Failed to check-sat")
[2020-05-14 13:16:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:16:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:16:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:17:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:17:17] [INFO ] [Real]Absence check using state equation in 18784 ms returned (error "Failed to check-sat")
[2020-05-14 13:17:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:17:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:17:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:17:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:17:37] [INFO ] [Real]Absence check using state equation in 18625 ms returned unknown
[2020-05-14 13:17:38] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:17:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:17:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:17:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:17:57] [INFO ] [Real]Absence check using state equation in 18641 ms returned unknown
[2020-05-14 13:17:58] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:17:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:17:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:18:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:18:17] [INFO ] [Real]Absence check using state equation in 18604 ms returned unknown
[2020-05-14 13:18:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:18:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:18:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:18:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:18:37] [INFO ] [Real]Absence check using state equation in 18627 ms returned (error "Failed to check-sat")
[2020-05-14 13:18:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:18:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:18:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:18:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:18:57] [INFO ] [Real]Absence check using state equation in 18683 ms returned (error "Failed to check-sat")
[2020-05-14 13:18:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:18:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:18:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:19:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:19:17] [INFO ] [Real]Absence check using state equation in 18905 ms returned (error "Failed to check-sat")
[2020-05-14 13:19:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:19:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:19:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:19:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:19:37] [INFO ] [Real]Absence check using state equation in 18523 ms returned unknown
[2020-05-14 13:19:38] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:19:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 13:19:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:19:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:19:57] [INFO ] [Real]Absence check using state equation in 18686 ms returned (error "Failed to check-sat")
[2020-05-14 13:19:58] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:19:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:19:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:20:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:20:17] [INFO ] [Real]Absence check using state equation in 18664 ms returned unknown
[2020-05-14 13:20:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:20:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:20:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:20:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:20:37] [INFO ] [Real]Absence check using state equation in 18593 ms returned unknown
[2020-05-14 13:20:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:20:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:20:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:20:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:20:57] [INFO ] [Real]Absence check using state equation in 18496 ms returned unknown
[2020-05-14 13:20:58] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 13:20:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 116 ms returned sat
[2020-05-14 13:20:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:21:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:21:17] [INFO ] [Real]Absence check using state equation in 18735 ms returned unknown
[2020-05-14 13:21:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:21:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:21:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:21:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:21:37] [INFO ] [Real]Absence check using state equation in 18594 ms returned (error "Failed to check-sat")
[2020-05-14 13:21:38] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:21:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 182 ms returned sat
[2020-05-14 13:21:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:21:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:21:57] [INFO ] [Real]Absence check using state equation in 18444 ms returned unknown
[2020-05-14 13:21:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:21:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:21:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:22:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:22:17] [INFO ] [Real]Absence check using state equation in 18526 ms returned (error "Failed to check-sat")
[2020-05-14 13:22:18] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:22:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:22:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:22:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:22:37] [INFO ] [Real]Absence check using state equation in 18880 ms returned (error "Failed to check-sat")
[2020-05-14 13:22:38] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:22:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:22:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:22:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:22:57] [INFO ] [Real]Absence check using state equation in 18809 ms returned (error "Failed to check-sat")
[2020-05-14 13:22:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:22:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:22:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:23:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:23:17] [INFO ] [Real]Absence check using state equation in 18697 ms returned unknown
[2020-05-14 13:23:18] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:23:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:23:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:23:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:23:37] [INFO ] [Real]Absence check using state equation in 18589 ms returned unknown
[2020-05-14 13:23:38] [INFO ] [Real]Absence check using 2 positive place invariants in 155 ms returned sat
[2020-05-14 13:23:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 136 ms returned sat
[2020-05-14 13:23:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:23:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:23:57] [INFO ] [Real]Absence check using state equation in 18959 ms returned unknown
[2020-05-14 13:23:58] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:23:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:23:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:24:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:24:17] [INFO ] [Real]Absence check using state equation in 18586 ms returned (error "Failed to check-sat")
[2020-05-14 13:24:18] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:24:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:24:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:24:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:24:37] [INFO ] [Real]Absence check using state equation in 18729 ms returned (error "Failed to check-sat")
[2020-05-14 13:24:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:24:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:24:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:24:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:24:57] [INFO ] [Real]Absence check using state equation in 18521 ms returned (error "Failed to check-sat")
[2020-05-14 13:24:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:24:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:24:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:25:17] [INFO ] [Real]Absence check using state equation in 18532 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 13:25:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:25:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 113 ms returned sat
[2020-05-14 13:25:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:25:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:25:37] [INFO ] [Real]Absence check using state equation in 18711 ms returned unknown
[2020-05-14 13:25:38] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:25:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:25:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:25:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:25:57] [INFO ] [Real]Absence check using state equation in 18485 ms returned unknown
[2020-05-14 13:25:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:25:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:25:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:26:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:26:17] [INFO ] [Real]Absence check using state equation in 18562 ms returned unknown
[2020-05-14 13:26:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:26:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:26:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:26:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:26:37] [INFO ] [Real]Absence check using state equation in 18540 ms returned unknown
[2020-05-14 13:26:38] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:26:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:26:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:26:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:26:57] [INFO ] [Real]Absence check using state equation in 18620 ms returned unknown
[2020-05-14 13:26:58] [INFO ] [Real]Absence check using 2 positive place invariants in 212 ms returned sat
[2020-05-14 13:26:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:26:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:27:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:27:17] [INFO ] [Real]Absence check using state equation in 18484 ms returned unknown
[2020-05-14 13:27:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:27:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 184 ms returned sat
[2020-05-14 13:27:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:27:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:27:37] [INFO ] [Real]Absence check using state equation in 18612 ms returned (error "Failed to check-sat")
[2020-05-14 13:27:38] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:27:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 116 ms returned sat
[2020-05-14 13:27:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:27:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:27:57] [INFO ] [Real]Absence check using state equation in 18599 ms returned unknown
[2020-05-14 13:27:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:27:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:27:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:28:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:28:17] [INFO ] [Real]Absence check using state equation in 18491 ms returned (error "Failed to check-sat")
[2020-05-14 13:28:18] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:28:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:28:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:28:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:28:37] [INFO ] [Real]Absence check using state equation in 18789 ms returned unknown
[2020-05-14 13:28:38] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:28:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:28:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:28:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:28:57] [INFO ] [Real]Absence check using state equation in 18726 ms returned unknown
[2020-05-14 13:28:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:28:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:28:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:29:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:29:17] [INFO ] [Real]Absence check using state equation in 18510 ms returned unknown
[2020-05-14 13:29:18] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:29:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:29:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:29:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:29:37] [INFO ] [Real]Absence check using state equation in 18633 ms returned unknown
[2020-05-14 13:29:38] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:29:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:29:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:29:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:29:57] [INFO ] [Real]Absence check using state equation in 18678 ms returned (error "Failed to check-sat")
[2020-05-14 13:29:58] [INFO ] [Real]Absence check using 2 positive place invariants in 137 ms returned sat
[2020-05-14 13:29:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 115 ms returned sat
[2020-05-14 13:29:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:30:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:30:17] [INFO ] [Real]Absence check using state equation in 18699 ms returned (error "Failed to check-sat")
[2020-05-14 13:30:18] [INFO ] [Real]Absence check using 2 positive place invariants in 129 ms returned sat
[2020-05-14 13:30:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 13:30:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:30:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:30:37] [INFO ] [Real]Absence check using state equation in 18554 ms returned unknown
[2020-05-14 13:30:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:30:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:30:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:30:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:30:57] [INFO ] [Real]Absence check using state equation in 18460 ms returned (error "Failed to check-sat")
[2020-05-14 13:30:58] [INFO ] [Real]Absence check using 2 positive place invariants in 207 ms returned sat
[2020-05-14 13:30:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 182 ms returned sat
[2020-05-14 13:30:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:31:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:31:17] [INFO ] [Real]Absence check using state equation in 18677 ms returned unknown
[2020-05-14 13:31:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:31:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:31:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:31:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:31:37] [INFO ] [Real]Absence check using state equation in 18689 ms returned (error "Failed to check-sat")
[2020-05-14 13:31:38] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:31:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:31:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:31:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:31:57] [INFO ] [Real]Absence check using state equation in 18733 ms returned unknown
[2020-05-14 13:31:58] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:31:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:31:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:32:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:32:17] [INFO ] [Real]Absence check using state equation in 18724 ms returned unknown
[2020-05-14 13:32:18] [INFO ] [Real]Absence check using 2 positive place invariants in 146 ms returned sat
[2020-05-14 13:32:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 172 ms returned sat
[2020-05-14 13:32:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:32:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:32:37] [INFO ] [Real]Absence check using state equation in 18904 ms returned unknown
[2020-05-14 13:32:38] [INFO ] [Real]Absence check using 2 positive place invariants in 207 ms returned sat
[2020-05-14 13:32:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 113 ms returned sat
[2020-05-14 13:32:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:32:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:32:57] [INFO ] [Real]Absence check using state equation in 18632 ms returned unknown
[2020-05-14 13:32:58] [INFO ] [Real]Absence check using 2 positive place invariants in 174 ms returned sat
[2020-05-14 13:32:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:32:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:33:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:33:17] [INFO ] [Real]Absence check using state equation in 18829 ms returned unknown
[2020-05-14 13:33:18] [INFO ] [Real]Absence check using 2 positive place invariants in 129 ms returned sat
[2020-05-14 13:33:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 114 ms returned sat
[2020-05-14 13:33:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:33:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:33:37] [INFO ] [Real]Absence check using state equation in 18598 ms returned unknown
[2020-05-14 13:33:38] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:33:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:33:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:33:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:33:57] [INFO ] [Real]Absence check using state equation in 18651 ms returned (error "Failed to check-sat")
[2020-05-14 13:33:58] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:33:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:33:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:34:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:34:17] [INFO ] [Real]Absence check using state equation in 18696 ms returned unknown
[2020-05-14 13:34:18] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:34:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:34:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:34:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:34:37] [INFO ] [Real]Absence check using state equation in 18678 ms returned unknown
[2020-05-14 13:34:38] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:34:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 120 ms returned sat
[2020-05-14 13:34:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:34:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:34:57] [INFO ] [Real]Absence check using state equation in 18763 ms returned unknown
[2020-05-14 13:34:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:34:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:34:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:35:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:35:17] [INFO ] [Real]Absence check using state equation in 18691 ms returned (error "Failed to check-sat")
[2020-05-14 13:35:18] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:35:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 114 ms returned sat
[2020-05-14 13:35:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:35:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:35:37] [INFO ] [Real]Absence check using state equation in 18712 ms returned (error "Failed to check-sat")
[2020-05-14 13:35:38] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:35:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 185 ms returned sat
[2020-05-14 13:35:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:35:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:35:57] [INFO ] [Real]Absence check using state equation in 18691 ms returned unknown
[2020-05-14 13:35:58] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:35:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:35:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:36:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:36:17] [INFO ] [Real]Absence check using state equation in 18572 ms returned (error "Failed to check-sat")
[2020-05-14 13:36:18] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:36:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:36:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:36:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:36:37] [INFO ] [Real]Absence check using state equation in 18657 ms returned unknown
[2020-05-14 13:36:38] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:36:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:36:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:36:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:36:57] [INFO ] [Real]Absence check using state equation in 18647 ms returned (error "Failed to check-sat")
[2020-05-14 13:36:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:36:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:36:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:37:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:37:17] [INFO ] [Real]Absence check using state equation in 18612 ms returned (error "Failed to check-sat")
[2020-05-14 13:37:18] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:37:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 186 ms returned sat
[2020-05-14 13:37:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:37:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:37:37] [INFO ] [Real]Absence check using state equation in 18654 ms returned unknown
[2020-05-14 13:37:38] [INFO ] [Real]Absence check using 2 positive place invariants in 173 ms returned sat
[2020-05-14 13:37:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 154 ms returned sat
[2020-05-14 13:37:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:37:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:37:57] [INFO ] [Real]Absence check using state equation in 18847 ms returned unknown
[2020-05-14 13:37:58] [INFO ] [Real]Absence check using 2 positive place invariants in 132 ms returned sat
[2020-05-14 13:37:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 117 ms returned sat
[2020-05-14 13:37:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:38:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:38:17] [INFO ] [Real]Absence check using state equation in 18698 ms returned unknown
[2020-05-14 13:38:18] [INFO ] [Real]Absence check using 2 positive place invariants in 207 ms returned sat
[2020-05-14 13:38:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 13:38:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:38:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:38:37] [INFO ] [Real]Absence check using state equation in 18637 ms returned unknown
[2020-05-14 13:38:39] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:38:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:38:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:38:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:38:57] [INFO ] [Real]Absence check using state equation in 18425 ms returned (error "Failed to check-sat")
[2020-05-14 13:38:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:38:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:38:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:39:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:39:17] [INFO ] [Real]Absence check using state equation in 18640 ms returned (error "Failed to check-sat")
[2020-05-14 13:39:18] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:39:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:39:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:39:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:39:37] [INFO ] [Real]Absence check using state equation in 18658 ms returned (error "Failed to check-sat")
[2020-05-14 13:39:39] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:39:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:39:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:39:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:39:57] [INFO ] [Real]Absence check using state equation in 18608 ms returned unknown
[2020-05-14 13:39:58] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:39:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:39:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:40:17] [INFO ] [Real]Absence check using state equation in 18618 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 13:40:19] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:40:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:40:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:40:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:40:37] [INFO ] [Real]Absence check using state equation in 18516 ms returned (error "Failed to check-sat")
[2020-05-14 13:40:38] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 13:40:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:40:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:40:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:40:57] [INFO ] [Real]Absence check using state equation in 18845 ms returned (error "Failed to check-sat")
[2020-05-14 13:40:58] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:40:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 13:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:41:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:41:17] [INFO ] [Real]Absence check using state equation in 18672 ms returned (error "Failed to check-sat")
[2020-05-14 13:41:19] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:41:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:41:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:41:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:41:37] [INFO ] [Real]Absence check using state equation in 18584 ms returned (error "Failed to check-sat")
[2020-05-14 13:41:39] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:41:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 205 ms returned sat
[2020-05-14 13:41:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:41:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:41:57] [INFO ] [Real]Absence check using state equation in 18565 ms returned unknown
[2020-05-14 13:41:59] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:41:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:41:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:42:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:42:17] [INFO ] [Real]Absence check using state equation in 18594 ms returned (error "Failed to check-sat")
[2020-05-14 13:42:19] [INFO ] [Real]Absence check using 2 positive place invariants in 207 ms returned sat
[2020-05-14 13:42:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:42:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:42:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:42:37] [INFO ] [Real]Absence check using state equation in 18493 ms returned unknown
[2020-05-14 13:42:39] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:42:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 185 ms returned sat
[2020-05-14 13:42:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:42:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:42:57] [INFO ] [Real]Absence check using state equation in 18497 ms returned (error "Failed to check-sat")
[2020-05-14 13:42:59] [INFO ] [Real]Absence check using 2 positive place invariants in 186 ms returned sat
[2020-05-14 13:42:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:42:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:43:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:43:17] [INFO ] [Real]Absence check using state equation in 18658 ms returned (error "Failed to check-sat")
[2020-05-14 13:43:19] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:43:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:43:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:43:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:43:37] [INFO ] [Real]Absence check using state equation in 18590 ms returned unknown
[2020-05-14 13:43:39] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:43:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:43:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:43:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:43:57] [INFO ] [Real]Absence check using state equation in 18605 ms returned (error "Failed to check-sat")
[2020-05-14 13:43:59] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:43:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:43:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:44:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:44:17] [INFO ] [Real]Absence check using state equation in 18592 ms returned unknown
[2020-05-14 13:44:18] [INFO ] [Real]Absence check using 2 positive place invariants in 174 ms returned sat
[2020-05-14 13:44:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 155 ms returned sat
[2020-05-14 13:44:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:44:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:44:37] [INFO ] [Real]Absence check using state equation in 18810 ms returned unknown
[2020-05-14 13:44:39] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:44:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:44:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:44:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:44:57] [INFO ] [Real]Absence check using state equation in 18562 ms returned unknown
[2020-05-14 13:44:58] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:44:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:44:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:45:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:45:17] [INFO ] [Real]Absence check using state equation in 18780 ms returned (error "Failed to check-sat")
[2020-05-14 13:45:18] [INFO ] [Real]Absence check using 2 positive place invariants in 164 ms returned sat
[2020-05-14 13:45:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 145 ms returned sat
[2020-05-14 13:45:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:45:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:45:37] [INFO ] [Real]Absence check using state equation in 18857 ms returned unknown
[2020-05-14 13:45:39] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:45:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:45:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:45:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:45:57] [INFO ] [Real]Absence check using state equation in 18520 ms returned (error "Failed to check-sat")
[2020-05-14 13:45:59] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:45:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:45:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:46:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:46:17] [INFO ] [Real]Absence check using state equation in 18539 ms returned (error "Failed to check-sat")
[2020-05-14 13:46:19] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:46:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:46:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:46:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:46:37] [INFO ] [Real]Absence check using state equation in 18443 ms returned unknown
[2020-05-14 13:46:39] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:46:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:46:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:46:57] [INFO ] [Real]Absence check using state equation in 18455 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 13:46:59] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:46:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:46:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:47:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:47:17] [INFO ] [Real]Absence check using state equation in 18642 ms returned (error "Failed to check-sat")
[2020-05-14 13:47:18] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:47:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 183 ms returned sat
[2020-05-14 13:47:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:47:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:47:37] [INFO ] [Real]Absence check using state equation in 18808 ms returned (error "Failed to check-sat")
[2020-05-14 13:47:39] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:47:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:47:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:47:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:47:57] [INFO ] [Real]Absence check using state equation in 18508 ms returned unknown
[2020-05-14 13:47:58] [INFO ] [Real]Absence check using 2 positive place invariants in 145 ms returned sat
[2020-05-14 13:47:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 131 ms returned sat
[2020-05-14 13:47:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:48:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:48:17] [INFO ] [Real]Absence check using state equation in 18932 ms returned unknown
[2020-05-14 13:48:19] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:48:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:48:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:48:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:48:37] [INFO ] [Real]Absence check using state equation in 18765 ms returned (error "Failed to check-sat")
[2020-05-14 13:48:39] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:48:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 113 ms returned sat
[2020-05-14 13:48:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:48:57] [INFO ] [Real]Absence check using state equation in 18517 ms returned (error "Solver has unexpectedly terminated")
[2020-05-14 13:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 130 ms returned sat
[2020-05-14 13:48:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 115 ms returned sat
[2020-05-14 13:48:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:49:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:49:17] [INFO ] [Real]Absence check using state equation in 18711 ms returned unknown
[2020-05-14 13:49:19] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:49:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:49:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:49:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:49:38] [INFO ] [Real]Absence check using state equation in 18633 ms returned unknown
[2020-05-14 13:49:39] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:49:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:49:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:49:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:49:58] [INFO ] [Real]Absence check using state equation in 18493 ms returned (error "Failed to check-sat")
[2020-05-14 13:49:59] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:49:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:49:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:50:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:50:18] [INFO ] [Real]Absence check using state equation in 18489 ms returned (error "Failed to check-sat")
[2020-05-14 13:50:19] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:50:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:50:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:50:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:50:38] [INFO ] [Real]Absence check using state equation in 18484 ms returned (error "Failed to check-sat")
[2020-05-14 13:50:39] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:50:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:50:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:50:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:50:58] [INFO ] [Real]Absence check using state equation in 18431 ms returned unknown
[2020-05-14 13:50:59] [INFO ] [Real]Absence check using 2 positive place invariants in 202 ms returned sat
[2020-05-14 13:50:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:50:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:51:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:51:18] [INFO ] [Real]Absence check using state equation in 18804 ms returned (error "Failed to check-sat")
[2020-05-14 13:51:19] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:51:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:51:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:51:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:51:38] [INFO ] [Real]Absence check using state equation in 18579 ms returned (error "Failed to check-sat")
[2020-05-14 13:51:39] [INFO ] [Real]Absence check using 2 positive place invariants in 124 ms returned sat
[2020-05-14 13:51:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 110 ms returned sat
[2020-05-14 13:51:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:51:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:51:58] [INFO ] [Real]Absence check using state equation in 18704 ms returned unknown
[2020-05-14 13:51:59] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:51:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:51:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:52:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:52:18] [INFO ] [Real]Absence check using state equation in 18736 ms returned (error "Failed to check-sat")
[2020-05-14 13:52:19] [INFO ] [Real]Absence check using 2 positive place invariants in 128 ms returned sat
[2020-05-14 13:52:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 169 ms returned sat
[2020-05-14 13:52:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:52:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:52:38] [INFO ] [Real]Absence check using state equation in 18859 ms returned unknown
[2020-05-14 13:52:39] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:52:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:52:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:52:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:52:58] [INFO ] [Real]Absence check using state equation in 18570 ms returned unknown
[2020-05-14 13:52:59] [INFO ] [Real]Absence check using 2 positive place invariants in 199 ms returned sat
[2020-05-14 13:52:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 167 ms returned sat
[2020-05-14 13:52:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:53:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:53:18] [INFO ] [Real]Absence check using state equation in 18751 ms returned (error "Failed to check-sat")
[2020-05-14 13:53:19] [INFO ] [Real]Absence check using 2 positive place invariants in 161 ms returned sat
[2020-05-14 13:53:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 181 ms returned sat
[2020-05-14 13:53:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:53:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:53:38] [INFO ] [Real]Absence check using state equation in 18763 ms returned (error "Failed to check-sat")
[2020-05-14 13:53:39] [INFO ] [Real]Absence check using 2 positive place invariants in 204 ms returned sat
[2020-05-14 13:53:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:53:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:53:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:53:58] [INFO ] [Real]Absence check using state equation in 18732 ms returned unknown
[2020-05-14 13:53:59] [INFO ] [Real]Absence check using 2 positive place invariants in 205 ms returned sat
[2020-05-14 13:53:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 179 ms returned sat
[2020-05-14 13:53:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:54:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:54:18] [INFO ] [Real]Absence check using state equation in 18644 ms returned (error "Failed to check-sat")
[2020-05-14 13:54:19] [INFO ] [Real]Absence check using 2 positive place invariants in 203 ms returned sat
[2020-05-14 13:54:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 182 ms returned sat
[2020-05-14 13:54:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:54:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:54:38] [INFO ] [Real]Absence check using state equation in 18547 ms returned (error "Failed to check-sat")
[2020-05-14 13:54:39] [INFO ] [Real]Absence check using 2 positive place invariants in 201 ms returned sat
[2020-05-14 13:54:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 175 ms returned sat
[2020-05-14 13:54:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:54:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:54:58] [INFO ] [Real]Absence check using state equation in 18796 ms returned unknown
[2020-05-14 13:54:59] [INFO ] [Real]Absence check using 2 positive place invariants in 159 ms returned sat
[2020-05-14 13:54:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 155 ms returned sat
[2020-05-14 13:54:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:55:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:55:18] [INFO ] [Real]Absence check using state equation in 18884 ms returned unknown
[2020-05-14 13:55:19] [INFO ] [Real]Absence check using 2 positive place invariants in 179 ms returned sat
[2020-05-14 13:55:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 156 ms returned sat
[2020-05-14 13:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:55:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:55:38] [INFO ] [Real]Absence check using state equation in 18776 ms returned unknown
[2020-05-14 13:55:39] [INFO ] [Real]Absence check using 2 positive place invariants in 200 ms returned sat
[2020-05-14 13:55:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 177 ms returned sat
[2020-05-14 13:55:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:55:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:55:58] [INFO ] [Real]Absence check using state equation in 18701 ms returned (error "Failed to check-sat")
[2020-05-14 13:55:59] [INFO ] [Real]Absence check using 2 positive place invariants in 138 ms returned sat
[2020-05-14 13:55:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 178 ms returned sat
[2020-05-14 13:55:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:56:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:56:18] [INFO ] [Real]Absence check using state equation in 18960 ms returned (error "Failed to check-sat")
[2020-05-14 13:56:19] [INFO ] [Real]Absence check using 2 positive place invariants in 129 ms returned sat
[2020-05-14 13:56:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 112 ms returned sat
[2020-05-14 13:56:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:56:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:56:38] [INFO ] [Real]Absence check using state equation in 19037 ms returned unknown
[2020-05-14 13:56:39] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 13:56:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 114 ms returned sat
[2020-05-14 13:56:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:56:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:56:58] [INFO ] [Real]Absence check using state equation in 19017 ms returned (error "Failed to check-sat")
[2020-05-14 13:56:59] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:56:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 180 ms returned sat
[2020-05-14 13:56:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:57:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:57:18] [INFO ] [Real]Absence check using state equation in 18668 ms returned (error "Failed to check-sat")
[2020-05-14 13:57:19] [INFO ] [Real]Absence check using 2 positive place invariants in 200 ms returned sat
[2020-05-14 13:57:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 176 ms returned sat
[2020-05-14 13:57:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:57:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:57:38] [INFO ] [Real]Absence check using state equation in 18666 ms returned (error "Failed to check-sat")
[2020-05-14 13:57:39] [INFO ] [Real]Absence check using 2 positive place invariants in 206 ms returned sat
[2020-05-14 13:57:39] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 182 ms returned sat
[2020-05-14 13:57:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:57:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:57:58] [INFO ] [Real]Absence check using state equation in 18435 ms returned unknown
[2020-05-14 13:57:59] [INFO ] [Real]Absence check using 2 positive place invariants in 131 ms returned sat
[2020-05-14 13:57:59] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 111 ms returned sat
[2020-05-14 13:57:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-14 13:58:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-14 13:58:18] [INFO ] [Real]Absence check using state equation in 19014 ms returned (error "Failed to check-sat")
[2020-05-14 13:58:19] [INFO ] [Real]Absence check using 2 positive place invariants in 126 ms returned sat
[2020-05-14 13:58:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 111 ms returned sat
[2020-05-14 13:58:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
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="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is 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 r006-smll-158897515800294"
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 '
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 ;