Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r011-tall-162038006000118.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is AirplaneLD-COL-4000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r011-tall-162038006000118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1004K
-rw-r--r-- 1 mcc users 18K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 124K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 92K May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 28 15:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 15:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 15:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 15:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 23 01:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 23 01:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 22 10:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 22 10:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_pt
-rw-r--r-- 1 mcc users 5 May 5 16:51 instance
-rw-r--r-- 1 mcc users 5 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 620K May 5 16:51 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME AirplaneLD-COL-4000-00
FORMULA_NAME AirplaneLD-COL-4000-01
FORMULA_NAME AirplaneLD-COL-4000-02
FORMULA_NAME AirplaneLD-COL-4000-03
FORMULA_NAME AirplaneLD-COL-4000-04
FORMULA_NAME AirplaneLD-COL-4000-05
FORMULA_NAME AirplaneLD-COL-4000-06
FORMULA_NAME AirplaneLD-COL-4000-07
FORMULA_NAME AirplaneLD-COL-4000-08
FORMULA_NAME AirplaneLD-COL-4000-09
FORMULA_NAME AirplaneLD-COL-4000-10
FORMULA_NAME AirplaneLD-COL-4000-11
FORMULA_NAME AirplaneLD-COL-4000-12
FORMULA_NAME AirplaneLD-COL-4000-13
FORMULA_NAME AirplaneLD-COL-4000-14
FORMULA_NAME AirplaneLD-COL-4000-15

=== Now, execution of the tool begins

BK_START 1620423478978

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-07 21:38:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-07 21:38:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-07 21:38:00] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2021-05-07 21:38:01] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 774 ms
[2021-05-07 21:38:01] [INFO ] sort/places :
Speed->SpeedPossibleVal,Speed_Left_Wheel,Speed_Right_Wheel,
Signal->Plane_On_Ground_Signal_no,
Dot->stp5,stp4,stp3,stp2,stp1,P5,P4,P3,P2,P6,P1,
Weight->WeightPossibleVal,Weight_Right_Wheel,Weight_Left_Wheel,
Altitude->AltitudePossibleVal,TheAltitude,

[2021-05-07 21:38:01] [INFO ] Detected 3 constant HL places corresponding to 12002 PT places.
[2021-05-07 21:38:01] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 28019 PT places and 48012.0 transition bindings in 40 ms.
[2021-05-07 21:38:01] [INFO ] Computed order based on color domains.
[2021-05-07 21:38:01] [INFO ] Unfolded HLPN to a Petri net with 28019 places and 32008 transitions in 138 ms.
[2021-05-07 21:38:01] [INFO ] Unfolded HLPN properties in 20 ms.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 7999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 7999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 1 identical enabling conditions.
[2021-05-07 21:38:01] [INFO ] Reduced 3999 identical enabling conditions.
Reduce places removed 12002 places and 0 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 751 ms.
Working with output stream class java.io.PrintStream
Interrupted random walk after 66644 steps, including 8393 resets, run timeout after 30001 ms. 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0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 32008 rows 16017 cols
[2021-05-07 21:38:53] [INFO ] Computed 3 place invariants in 20570 ms
[2021-05-07 21:38:55] [INFO ] [Real]Absence check using 2 positive place invariants in 441 ms returned unsat
[2021-05-07 21:38:57] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 21:38:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 21:38:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:39:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:39:15] [INFO ] [Real]Absence check using state equation in 18030 ms returned (error "Failed to check-sat")
[2021-05-07 21:39:17] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:39:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 21:39:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:39:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:39:35] [INFO ] [Real]Absence check using state equation in 18061 ms returned (error "Failed to check-sat")
[2021-05-07 21:39:37] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 21:39:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 315 ms returned sat
[2021-05-07 21:39:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:39:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:39:55] [INFO ] [Real]Absence check using state equation in 18057 ms returned unknown
[2021-05-07 21:39:57] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:39:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 21:39:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:40:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:40:15] [INFO ] [Real]Absence check using state equation in 18065 ms returned (error "Failed to check-sat")
[2021-05-07 21:40:17] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:40:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 21:40:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:40:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:40:35] [INFO ] [Real]Absence check using state equation in 18036 ms returned unknown
[2021-05-07 21:40:37] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 21:40:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:40:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:40:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:40:55] [INFO ] [Real]Absence check using state equation in 18036 ms returned unknown
[2021-05-07 21:40:57] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
[2021-05-07 21:40:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 21:40:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:41:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:41:15] [INFO ] [Real]Absence check using state equation in 18077 ms returned unknown
[2021-05-07 21:41:17] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:41:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:41:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:41:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:41:35] [INFO ] [Real]Absence check using state equation in 18096 ms returned (error "Failed to check-sat")
[2021-05-07 21:41:37] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:41:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 21:41:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:41:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:41:55] [INFO ] [Real]Absence check using state equation in 18078 ms returned (error "Failed to check-sat")
[2021-05-07 21:41:57] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 21:41:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:41:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:42:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:42:15] [INFO ] [Real]Absence check using state equation in 18131 ms returned (error "Failed to check-sat")
[2021-05-07 21:42:17] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:42:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:42:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:42:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:42:35] [INFO ] [Real]Absence check using state equation in 18143 ms returned (error "Failed to check-sat")
[2021-05-07 21:42:37] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 21:42:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 21:42:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:42:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:42:55] [INFO ] [Real]Absence check using state equation in 18058 ms returned (error "Failed to check-sat")
[2021-05-07 21:42:57] [INFO ] [Real]Absence check using 2 positive place invariants in 348 ms returned sat
[2021-05-07 21:42:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 317 ms returned sat
[2021-05-07 21:42:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:43:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:43:15] [INFO ] [Real]Absence check using state equation in 18099 ms returned (error "Failed to check-sat")
[2021-05-07 21:43:17] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 21:43:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 21:43:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:43:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:43:35] [INFO ] [Real]Absence check using state equation in 18075 ms returned unknown
[2021-05-07 21:43:37] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:43:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:43:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:43:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:43:55] [INFO ] [Real]Absence check using state equation in 17795 ms returned (error "Failed to check-sat")
[2021-05-07 21:43:57] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:43:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 21:43:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:44:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:44:15] [INFO ] [Real]Absence check using state equation in 18071 ms returned unknown
[2021-05-07 21:44:17] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:44:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 21:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:44:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:44:35] [INFO ] [Real]Absence check using state equation in 18069 ms returned unknown
[2021-05-07 21:44:37] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 21:44:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:44:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:44:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:44:55] [INFO ] [Real]Absence check using state equation in 18087 ms returned (error "Failed to check-sat")
[2021-05-07 21:44:57] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 21:44:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 318 ms returned sat
[2021-05-07 21:44:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:45:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:45:15] [INFO ] [Real]Absence check using state equation in 18059 ms returned unknown
[2021-05-07 21:45:17] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:45:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 21:45:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:45:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:45:35] [INFO ] [Real]Absence check using state equation in 18104 ms returned (error "Failed to check-sat")
[2021-05-07 21:45:37] [INFO ] [Real]Absence check using 2 positive place invariants in 346 ms returned sat
[2021-05-07 21:45:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 317 ms returned sat
[2021-05-07 21:45:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:45:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:45:55] [INFO ] [Real]Absence check using state equation in 18073 ms returned (error "Failed to check-sat")
[2021-05-07 21:45:57] [INFO ] [Real]Absence check using 2 positive place invariants in 414 ms returned sat
[2021-05-07 21:45:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 312 ms returned sat
[2021-05-07 21:45:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:46:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:46:15] [INFO ] [Real]Absence check using state equation in 18032 ms returned unknown
[2021-05-07 21:46:17] [INFO ] [Real]Absence check using 2 positive place invariants in 341 ms returned sat
[2021-05-07 21:46:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:46:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:46:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:46:35] [INFO ] [Real]Absence check using state equation in 18084 ms returned (error "Failed to check-sat")
[2021-05-07 21:46:37] [INFO ] [Real]Absence check using 2 positive place invariants in 346 ms returned sat
[2021-05-07 21:46:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 21:46:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:46:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:46:55] [INFO ] [Real]Absence check using state equation in 18152 ms returned (error "Failed to check-sat")
[2021-05-07 21:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 21:46:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 21:46:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:47:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:47:15] [INFO ] [Real]Absence check using state equation in 18078 ms returned (error "Failed to check-sat")
[2021-05-07 21:47:17] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:47:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:47:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:47:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:47:35] [INFO ] [Real]Absence check using state equation in 18068 ms returned unknown
[2021-05-07 21:47:37] [INFO ] [Real]Absence check using 2 positive place invariants in 343 ms returned sat
[2021-05-07 21:47:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 21:47:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:47:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:47:55] [INFO ] [Real]Absence check using state equation in 18095 ms returned (error "Failed to check-sat")
[2021-05-07 21:47:57] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:47:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 21:47:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:48:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:48:15] [INFO ] [Real]Absence check using state equation in 18056 ms returned unknown
[2021-05-07 21:48:17] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
[2021-05-07 21:48:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:48:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:48:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:48:35] [INFO ] [Real]Absence check using state equation in 18094 ms returned unknown
[2021-05-07 21:48:37] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 21:48:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 319 ms returned sat
[2021-05-07 21:48:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:48:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:48:55] [INFO ] [Real]Absence check using state equation in 18045 ms returned unknown
[2021-05-07 21:48:57] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 21:48:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:48:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:49:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:49:15] [INFO ] [Real]Absence check using state equation in 18061 ms returned unknown
[2021-05-07 21:49:17] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 21:49:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:49:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:49:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:49:35] [INFO ] [Real]Absence check using state equation in 18075 ms returned unknown
[2021-05-07 21:49:37] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:49:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 316 ms returned sat
[2021-05-07 21:49:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:49:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:49:55] [INFO ] [Real]Absence check using state equation in 18078 ms returned unknown
[2021-05-07 21:49:57] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 21:49:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:49:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:50:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:50:15] [INFO ] [Real]Absence check using state equation in 18075 ms returned (error "Failed to check-sat")
[2021-05-07 21:50:17] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:50:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:50:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:50:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:50:35] [INFO ] [Real]Absence check using state equation in 18069 ms returned (error "Failed to check-sat")
[2021-05-07 21:50:37] [INFO ] [Real]Absence check using 2 positive place invariants in 350 ms returned sat
[2021-05-07 21:50:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 21:50:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:50:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:50:55] [INFO ] [Real]Absence check using state equation in 18075 ms returned unknown
[2021-05-07 21:50:57] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 21:50:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:50:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:51:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:51:15] [INFO ] [Real]Absence check using state equation in 18085 ms returned unknown
[2021-05-07 21:51:17] [INFO ] [Real]Absence check using 2 positive place invariants in 350 ms returned sat
[2021-05-07 21:51:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 21:51:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:51:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:51:35] [INFO ] [Real]Absence check using state equation in 18076 ms returned unknown
[2021-05-07 21:51:37] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:51:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 21:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:51:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:51:55] [INFO ] [Real]Absence check using state equation in 18066 ms returned unknown
[2021-05-07 21:51:57] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 21:51:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 21:51:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:52:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:52:15] [INFO ] [Real]Absence check using state equation in 18070 ms returned (error "Failed to check-sat")
[2021-05-07 21:52:17] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 21:52:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 21:52:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:52:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:52:35] [INFO ] [Real]Absence check using state equation in 18110 ms returned unknown
[2021-05-07 21:52:37] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 21:52:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:52:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:52:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:52:55] [INFO ] [Real]Absence check using state equation in 18052 ms returned (error "Failed to check-sat")
[2021-05-07 21:52:57] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
[2021-05-07 21:52:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 21:52:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:53:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:53:15] [INFO ] [Real]Absence check using state equation in 18073 ms returned (error "Failed to check-sat")
[2021-05-07 21:53:17] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 21:53:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 21:53:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:53:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:53:35] [INFO ] [Real]Absence check using state equation in 18057 ms returned (error "Failed to check-sat")
[2021-05-07 21:53:37] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 21:53:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:53:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:53:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:53:55] [INFO ] [Real]Absence check using state equation in 18074 ms returned unknown
[2021-05-07 21:53:57] [INFO ] [Real]Absence check using 2 positive place invariants in 367 ms returned sat
[2021-05-07 21:53:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:53:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:54:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:54:15] [INFO ] [Real]Absence check using state equation in 18066 ms returned unknown
[2021-05-07 21:54:17] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:54:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 337 ms returned sat
[2021-05-07 21:54:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:54:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:54:35] [INFO ] [Real]Absence check using state equation in 18053 ms returned (error "Failed to check-sat")
[2021-05-07 21:54:37] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 21:54:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 21:54:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:54:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:54:55] [INFO ] [Real]Absence check using state equation in 18046 ms returned unknown
[2021-05-07 21:54:57] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 21:54:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 21:54:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:55:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:55:15] [INFO ] [Real]Absence check using state equation in 18061 ms returned (error "Failed to check-sat")
[2021-05-07 21:55:17] [INFO ] [Real]Absence check using 2 positive place invariants in 371 ms returned sat
[2021-05-07 21:55:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 21:55:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:55:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:55:35] [INFO ] [Real]Absence check using state equation in 18037 ms returned unknown
[2021-05-07 21:55:37] [INFO ] [Real]Absence check using 2 positive place invariants in 372 ms returned sat
[2021-05-07 21:55:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 21:55:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:55:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:55:55] [INFO ] [Real]Absence check using state equation in 18052 ms returned (error "Failed to check-sat")
[2021-05-07 21:55:57] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 21:55:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 21:55:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:56:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:56:15] [INFO ] [Real]Absence check using state equation in 18044 ms returned unknown
[2021-05-07 21:56:17] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 21:56:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:56:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:56:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:56:35] [INFO ] [Real]Absence check using state equation in 18065 ms returned (error "Failed to check-sat")
[2021-05-07 21:56:37] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 21:56:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:56:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:56:55] [INFO ] [Real]Absence check using state equation in 18079 ms returned (error "Failed to check-sat")
[2021-05-07 21:56:57] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 21:56:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:56:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:57:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:57:15] [INFO ] [Real]Absence check using state equation in 18057 ms returned unknown
[2021-05-07 21:57:17] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 21:57:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 21:57:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:57:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:57:35] [INFO ] [Real]Absence check using state equation in 18045 ms returned (error "Failed to check-sat")
[2021-05-07 21:57:37] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 21:57:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 21:57:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:57:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:57:55] [INFO ] [Real]Absence check using state equation in 18072 ms returned unknown
[2021-05-07 21:57:57] [INFO ] [Real]Absence check using 2 positive place invariants in 357 ms returned sat
[2021-05-07 21:57:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 21:57:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:58:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:58:16] [INFO ] [Real]Absence check using state equation in 17970 ms returned (error "Failed to check-sat")
[2021-05-07 21:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 21:58:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 21:58:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:58:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:58:36] [INFO ] [Real]Absence check using state equation in 18048 ms returned (error "Failed to check-sat")
[2021-05-07 21:58:37] [INFO ] [Real]Absence check using 2 positive place invariants in 374 ms returned sat
[2021-05-07 21:58:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 21:58:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:58:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:58:56] [INFO ] [Real]Absence check using state equation in 18044 ms returned unknown
[2021-05-07 21:58:57] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 21:58:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 21:58:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:59:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:59:16] [INFO ] [Real]Absence check using state equation in 18055 ms returned unknown
[2021-05-07 21:59:17] [INFO ] [Real]Absence check using 2 positive place invariants in 368 ms returned sat
[2021-05-07 21:59:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 21:59:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:59:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:59:36] [INFO ] [Real]Absence check using state equation in 18055 ms returned unknown
[2021-05-07 21:59:37] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 21:59:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:59:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 21:59:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 21:59:56] [INFO ] [Real]Absence check using state equation in 18064 ms returned unknown
[2021-05-07 21:59:57] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 21:59:57] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 21:59:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:00:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:00:16] [INFO ] [Real]Absence check using state equation in 18071 ms returned (error "Failed to check-sat")
[2021-05-07 22:00:17] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 22:00:17] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 317 ms returned sat
[2021-05-07 22:00:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:00:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:00:36] [INFO ] [Real]Absence check using state equation in 18103 ms returned unknown
[2021-05-07 22:00:37] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 22:00:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:00:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:00:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:00:56] [INFO ] [Real]Absence check using state equation in 18094 ms returned (error "Failed to check-sat")
[2021-05-07 22:00:57] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:00:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:00:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:01:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:01:16] [INFO ] [Real]Absence check using state equation in 18051 ms returned (error "Failed to check-sat")
[2021-05-07 22:01:17] [INFO ] [Real]Absence check using 2 positive place invariants in 345 ms returned sat
[2021-05-07 22:01:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 22:01:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:01:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:01:36] [INFO ] [Real]Absence check using state equation in 18079 ms returned (error "Failed to check-sat")
[2021-05-07 22:01:37] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:01:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 317 ms returned sat
[2021-05-07 22:01:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:01:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:01:56] [INFO ] [Real]Absence check using state equation in 18072 ms returned unknown
[2021-05-07 22:01:57] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 22:01:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 22:01:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:02:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:02:16] [INFO ] [Real]Absence check using state equation in 18106 ms returned (error "Failed to check-sat")
[2021-05-07 22:02:17] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:02:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 22:02:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:02:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:02:36] [INFO ] [Real]Absence check using state equation in 18112 ms returned (error "Failed to check-sat")
[2021-05-07 22:02:37] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
[2021-05-07 22:02:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 333 ms returned sat
[2021-05-07 22:02:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:02:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:02:56] [INFO ] [Real]Absence check using state equation in 18091 ms returned (error "Failed to check-sat")
[2021-05-07 22:02:57] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 22:02:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 316 ms returned sat
[2021-05-07 22:02:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:03:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:03:16] [INFO ] [Real]Absence check using state equation in 18079 ms returned (error "Failed to check-sat")
[2021-05-07 22:03:17] [INFO ] [Real]Absence check using 2 positive place invariants in 350 ms returned sat
[2021-05-07 22:03:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 309 ms returned sat
[2021-05-07 22:03:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:03:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:03:36] [INFO ] [Real]Absence check using state equation in 18114 ms returned unknown
[2021-05-07 22:03:37] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 22:03:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 22:03:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:03:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:03:56] [INFO ] [Real]Absence check using state equation in 18090 ms returned (error "Failed to check-sat")
[2021-05-07 22:03:57] [INFO ] [Real]Absence check using 2 positive place invariants in 347 ms returned sat
[2021-05-07 22:03:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 319 ms returned sat
[2021-05-07 22:03:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:04:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:04:16] [INFO ] [Real]Absence check using state equation in 18111 ms returned (error "Failed to check-sat")
[2021-05-07 22:04:17] [INFO ] [Real]Absence check using 2 positive place invariants in 366 ms returned sat
[2021-05-07 22:04:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:04:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:04:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:04:36] [INFO ] [Real]Absence check using state equation in 18041 ms returned (error "Failed to check-sat")
[2021-05-07 22:04:37] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:04:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:04:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:04:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:04:56] [INFO ] [Real]Absence check using state equation in 18059 ms returned unknown
[2021-05-07 22:04:57] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 22:04:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:04:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:05:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:05:16] [INFO ] [Real]Absence check using state equation in 18079 ms returned unknown
[2021-05-07 22:05:17] [INFO ] [Real]Absence check using 2 positive place invariants in 366 ms returned sat
[2021-05-07 22:05:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 327 ms returned sat
[2021-05-07 22:05:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:05:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:05:36] [INFO ] [Real]Absence check using state equation in 18064 ms returned (error "Failed to check-sat")
[2021-05-07 22:05:37] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:05:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 333 ms returned sat
[2021-05-07 22:05:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:05:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:05:56] [INFO ] [Real]Absence check using state equation in 18045 ms returned unknown
[2021-05-07 22:05:57] [INFO ] [Real]Absence check using 2 positive place invariants in 344 ms returned sat
[2021-05-07 22:05:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:05:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:06:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:06:16] [INFO ] [Real]Absence check using state equation in 18072 ms returned unknown
[2021-05-07 22:06:17] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:06:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:06:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:06:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:06:36] [INFO ] [Real]Absence check using state equation in 18042 ms returned unknown
[2021-05-07 22:06:37] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:06:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:06:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:06:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:06:56] [INFO ] [Real]Absence check using state equation in 18046 ms returned unknown
[2021-05-07 22:06:57] [INFO ] [Real]Absence check using 2 positive place invariants in 368 ms returned sat
[2021-05-07 22:06:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 22:06:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:07:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:07:16] [INFO ] [Real]Absence check using state equation in 18050 ms returned (error "Failed to check-sat")
[2021-05-07 22:07:17] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:07:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:07:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:07:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:07:36] [INFO ] [Real]Absence check using state equation in 18051 ms returned (error "Failed to check-sat")
[2021-05-07 22:07:37] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:07:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:07:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:07:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:07:56] [INFO ] [Real]Absence check using state equation in 18069 ms returned (error "Failed to check-sat")
[2021-05-07 22:07:57] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 22:07:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 22:07:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:08:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:08:16] [INFO ] [Real]Absence check using state equation in 18068 ms returned (error "Failed to check-sat")
[2021-05-07 22:08:17] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 22:08:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 319 ms returned sat
[2021-05-07 22:08:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:08:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:08:36] [INFO ] [Real]Absence check using state equation in 18054 ms returned (error "Failed to check-sat")
[2021-05-07 22:08:37] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 22:08:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 22:08:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:08:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:08:56] [INFO ] [Real]Absence check using state equation in 18133 ms returned (error "Failed to check-sat")
[2021-05-07 22:08:57] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:08:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:08:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:09:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:09:16] [INFO ] [Real]Absence check using state equation in 18028 ms returned (error "Failed to check-sat")
[2021-05-07 22:09:17] [INFO ] [Real]Absence check using 2 positive place invariants in 363 ms returned sat
[2021-05-07 22:09:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:09:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:09:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:09:36] [INFO ] [Real]Absence check using state equation in 18040 ms returned (error "Failed to check-sat")
[2021-05-07 22:09:37] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:09:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:09:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:09:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:09:56] [INFO ] [Real]Absence check using state equation in 18052 ms returned (error "Failed to check-sat")
[2021-05-07 22:09:57] [INFO ] [Real]Absence check using 2 positive place invariants in 367 ms returned sat
[2021-05-07 22:09:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:09:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:10:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:10:16] [INFO ] [Real]Absence check using state equation in 18054 ms returned (error "Failed to check-sat")
[2021-05-07 22:10:17] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 22:10:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 22:10:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:10:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:10:36] [INFO ] [Real]Absence check using state equation in 18079 ms returned (error "Failed to check-sat")
[2021-05-07 22:10:37] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:10:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:10:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:10:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:10:56] [INFO ] [Real]Absence check using state equation in 18082 ms returned (error "Failed to check-sat")
[2021-05-07 22:10:57] [INFO ] [Real]Absence check using 2 positive place invariants in 349 ms returned sat
[2021-05-07 22:10:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 350 ms returned sat
[2021-05-07 22:10:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:11:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:11:16] [INFO ] [Real]Absence check using state equation in 18057 ms returned unknown
[2021-05-07 22:11:17] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:11:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:11:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:11:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:11:36] [INFO ] [Real]Absence check using state equation in 18057 ms returned unknown
[2021-05-07 22:11:37] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:11:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:11:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:11:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:11:56] [INFO ] [Real]Absence check using state equation in 18064 ms returned (error "Failed to check-sat")
[2021-05-07 22:11:58] [INFO ] [Real]Absence check using 2 positive place invariants in 363 ms returned sat
[2021-05-07 22:11:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 22:11:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:12:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:12:16] [INFO ] [Real]Absence check using state equation in 18052 ms returned unknown
[2021-05-07 22:12:17] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
[2021-05-07 22:12:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:12:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:12:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:12:36] [INFO ] [Real]Absence check using state equation in 18078 ms returned unknown
[2021-05-07 22:12:37] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:12:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:12:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:12:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:12:56] [INFO ] [Real]Absence check using state equation in 18075 ms returned (error "Failed to check-sat")
[2021-05-07 22:12:57] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:12:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 316 ms returned sat
[2021-05-07 22:12:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:13:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:13:16] [INFO ] [Real]Absence check using state equation in 18116 ms returned unknown
[2021-05-07 22:13:18] [INFO ] [Real]Absence check using 2 positive place invariants in 370 ms returned sat
[2021-05-07 22:13:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 322 ms returned sat
[2021-05-07 22:13:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:13:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:13:36] [INFO ] [Real]Absence check using state equation in 18077 ms returned unknown
[2021-05-07 22:13:38] [INFO ] [Real]Absence check using 2 positive place invariants in 350 ms returned sat
[2021-05-07 22:13:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 22:13:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:13:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:13:56] [INFO ] [Real]Absence check using state equation in 18049 ms returned unknown
[2021-05-07 22:13:58] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:13:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:13:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:14:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:14:16] [INFO ] [Real]Absence check using state equation in 18053 ms returned (error "Failed to check-sat")
[2021-05-07 22:14:18] [INFO ] [Real]Absence check using 2 positive place invariants in 370 ms returned sat
[2021-05-07 22:14:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:14:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:14:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:14:36] [INFO ] [Real]Absence check using state equation in 18058 ms returned unknown
[2021-05-07 22:14:38] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 22:14:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 22:14:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:14:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:14:56] [INFO ] [Real]Absence check using state equation in 18044 ms returned (error "Failed to check-sat")
[2021-05-07 22:14:58] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 22:14:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:14:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:15:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:15:16] [INFO ] [Real]Absence check using state equation in 18039 ms returned unknown
[2021-05-07 22:15:18] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 22:15:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:15:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:15:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:15:36] [INFO ] [Real]Absence check using state equation in 17848 ms returned (error "Failed to check-sat")
[2021-05-07 22:15:38] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:15:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:15:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:15:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:15:56] [INFO ] [Real]Absence check using state equation in 18062 ms returned unknown
[2021-05-07 22:15:58] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:15:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:15:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:16:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:16:16] [INFO ] [Real]Absence check using state equation in 18078 ms returned unknown
[2021-05-07 22:16:18] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 22:16:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:16:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:16:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:16:36] [INFO ] [Real]Absence check using state equation in 18050 ms returned (error "Failed to check-sat")
[2021-05-07 22:16:38] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:16:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:16:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:16:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:16:56] [INFO ] [Real]Absence check using state equation in 18074 ms returned unknown
[2021-05-07 22:16:58] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 22:16:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:16:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:17:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:17:16] [INFO ] [Real]Absence check using state equation in 18012 ms returned unknown
[2021-05-07 22:17:18] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:17:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:17:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:17:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:17:36] [INFO ] [Real]Absence check using state equation in 18038 ms returned (error "Failed to check-sat")
[2021-05-07 22:17:38] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:17:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:17:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:17:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:17:56] [INFO ] [Real]Absence check using state equation in 18066 ms returned unknown
[2021-05-07 22:17:58] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:17:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 319 ms returned sat
[2021-05-07 22:17:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:18:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:18:16] [INFO ] [Real]Absence check using state equation in 18065 ms returned unknown
[2021-05-07 22:18:18] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:18:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 344 ms returned sat
[2021-05-07 22:18:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:18:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:18:36] [INFO ] [Real]Absence check using state equation in 18055 ms returned (error "Failed to check-sat")
[2021-05-07 22:18:38] [INFO ] [Real]Absence check using 2 positive place invariants in 369 ms returned sat
[2021-05-07 22:18:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:18:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:18:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:18:56] [INFO ] [Real]Absence check using state equation in 18052 ms returned (error "Failed to check-sat")
[2021-05-07 22:18:58] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:18:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:18:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:19:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:19:16] [INFO ] [Real]Absence check using state equation in 18088 ms returned unknown
[2021-05-07 22:19:18] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:19:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 317 ms returned sat
[2021-05-07 22:19:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:19:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:19:36] [INFO ] [Real]Absence check using state equation in 18085 ms returned (error "Failed to check-sat")
[2021-05-07 22:19:38] [INFO ] [Real]Absence check using 2 positive place invariants in 372 ms returned sat
[2021-05-07 22:19:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:19:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:19:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:19:56] [INFO ] [Real]Absence check using state equation in 18056 ms returned unknown
[2021-05-07 22:19:58] [INFO ] [Real]Absence check using 2 positive place invariants in 377 ms returned sat
[2021-05-07 22:19:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:19:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:20:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:20:16] [INFO ] [Real]Absence check using state equation in 18035 ms returned unknown
[2021-05-07 22:20:18] [INFO ] [Real]Absence check using 2 positive place invariants in 366 ms returned sat
[2021-05-07 22:20:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 338 ms returned sat
[2021-05-07 22:20:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:20:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:20:36] [INFO ] [Real]Absence check using state equation in 17996 ms returned (error "Failed to check-sat")
[2021-05-07 22:20:38] [INFO ] [Real]Absence check using 2 positive place invariants in 358 ms returned sat
[2021-05-07 22:20:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 342 ms returned sat
[2021-05-07 22:20:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:20:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:20:56] [INFO ] [Real]Absence check using state equation in 18047 ms returned unknown
[2021-05-07 22:20:58] [INFO ] [Real]Absence check using 2 positive place invariants in 386 ms returned sat
[2021-05-07 22:20:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 22:20:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:21:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:21:16] [INFO ] [Real]Absence check using state equation in 18005 ms returned unknown
[2021-05-07 22:21:18] [INFO ] [Real]Absence check using 2 positive place invariants in 382 ms returned sat
[2021-05-07 22:21:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:21:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:21:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:21:36] [INFO ] [Real]Absence check using state equation in 18024 ms returned unknown
[2021-05-07 22:21:38] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:21:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 22:21:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:21:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:21:56] [INFO ] [Real]Absence check using state equation in 18050 ms returned (error "Failed to check-sat")
[2021-05-07 22:21:58] [INFO ] [Real]Absence check using 2 positive place invariants in 372 ms returned sat
[2021-05-07 22:21:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 342 ms returned sat
[2021-05-07 22:21:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:22:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:22:16] [INFO ] [Real]Absence check using state equation in 18034 ms returned (error "Failed to check-sat")
[2021-05-07 22:22:18] [INFO ] [Real]Absence check using 2 positive place invariants in 376 ms returned sat
[2021-05-07 22:22:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 339 ms returned sat
[2021-05-07 22:22:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:22:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:22:36] [INFO ] [Real]Absence check using state equation in 18031 ms returned unknown
[2021-05-07 22:22:38] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:22:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 22:22:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:22:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:22:56] [INFO ] [Real]Absence check using state equation in 18041 ms returned unknown
[2021-05-07 22:22:58] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:22:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:22:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:23:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:23:16] [INFO ] [Real]Absence check using state equation in 18034 ms returned unknown
[2021-05-07 22:23:18] [INFO ] [Real]Absence check using 2 positive place invariants in 377 ms returned sat
[2021-05-07 22:23:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 345 ms returned sat
[2021-05-07 22:23:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:23:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:23:36] [INFO ] [Real]Absence check using state equation in 18031 ms returned (error "Failed to check-sat")
[2021-05-07 22:23:38] [INFO ] [Real]Absence check using 2 positive place invariants in 366 ms returned sat
[2021-05-07 22:23:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 320 ms returned sat
[2021-05-07 22:23:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:23:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:23:56] [INFO ] [Real]Absence check using state equation in 18003 ms returned unknown
[2021-05-07 22:23:58] [INFO ] [Real]Absence check using 2 positive place invariants in 371 ms returned sat
[2021-05-07 22:23:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:23:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:24:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:24:16] [INFO ] [Real]Absence check using state equation in 18024 ms returned (error "Failed to check-sat")
[2021-05-07 22:24:18] [INFO ] [Real]Absence check using 2 positive place invariants in 373 ms returned sat
[2021-05-07 22:24:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:24:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:24:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:24:36] [INFO ] [Real]Absence check using state equation in 18030 ms returned unknown
[2021-05-07 22:24:38] [INFO ] [Real]Absence check using 2 positive place invariants in 372 ms returned sat
[2021-05-07 22:24:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:24:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:24:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:24:56] [INFO ] [Real]Absence check using state equation in 17993 ms returned (error "Failed to check-sat")
[2021-05-07 22:24:58] [INFO ] [Real]Absence check using 2 positive place invariants in 377 ms returned sat
[2021-05-07 22:24:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 340 ms returned sat
[2021-05-07 22:24:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:25:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:25:16] [INFO ] [Real]Absence check using state equation in 18022 ms returned unknown
[2021-05-07 22:25:18] [INFO ] [Real]Absence check using 2 positive place invariants in 397 ms returned sat
[2021-05-07 22:25:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 340 ms returned sat
[2021-05-07 22:25:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:25:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:25:36] [INFO ] [Real]Absence check using state equation in 17992 ms returned unknown
[2021-05-07 22:25:38] [INFO ] [Real]Absence check using 2 positive place invariants in 369 ms returned sat
[2021-05-07 22:25:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 334 ms returned sat
[2021-05-07 22:25:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:25:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:25:56] [INFO ] [Real]Absence check using state equation in 18045 ms returned (error "Failed to check-sat")
[2021-05-07 22:25:58] [INFO ] [Real]Absence check using 2 positive place invariants in 373 ms returned sat
[2021-05-07 22:25:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 344 ms returned sat
[2021-05-07 22:25:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:26:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:26:16] [INFO ] [Real]Absence check using state equation in 18023 ms returned (error "Failed to check-sat")
[2021-05-07 22:26:18] [INFO ] [Real]Absence check using 2 positive place invariants in 375 ms returned sat
[2021-05-07 22:26:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:26:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:26:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:26:36] [INFO ] [Real]Absence check using state equation in 18021 ms returned (error "Failed to check-sat")
[2021-05-07 22:26:38] [INFO ] [Real]Absence check using 2 positive place invariants in 371 ms returned sat
[2021-05-07 22:26:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:26:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:26:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:26:56] [INFO ] [Real]Absence check using state equation in 18027 ms returned unknown
[2021-05-07 22:26:58] [INFO ] [Real]Absence check using 2 positive place invariants in 372 ms returned sat
[2021-05-07 22:26:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 343 ms returned sat
[2021-05-07 22:26:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:27:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:27:16] [INFO ] [Real]Absence check using state equation in 18015 ms returned (error "Failed to check-sat")
[2021-05-07 22:27:18] [INFO ] [Real]Absence check using 2 positive place invariants in 371 ms returned sat
[2021-05-07 22:27:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 338 ms returned sat
[2021-05-07 22:27:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:27:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:27:36] [INFO ] [Real]Absence check using state equation in 18040 ms returned unknown
[2021-05-07 22:27:38] [INFO ] [Real]Absence check using 2 positive place invariants in 361 ms returned sat
[2021-05-07 22:27:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 338 ms returned sat
[2021-05-07 22:27:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:27:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:27:56] [INFO ] [Real]Absence check using state equation in 18041 ms returned unknown
[2021-05-07 22:27:58] [INFO ] [Real]Absence check using 2 positive place invariants in 356 ms returned sat
[2021-05-07 22:27:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:27:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:28:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:28:16] [INFO ] [Real]Absence check using state equation in 18037 ms returned unknown
[2021-05-07 22:28:18] [INFO ] [Real]Absence check using 2 positive place invariants in 345 ms returned sat
[2021-05-07 22:28:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:28:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:28:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:28:36] [INFO ] [Real]Absence check using state equation in 18085 ms returned (error "Failed to check-sat")
[2021-05-07 22:28:38] [INFO ] [Real]Absence check using 2 positive place invariants in 370 ms returned sat
[2021-05-07 22:28:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:28:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:28:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:28:56] [INFO ] [Real]Absence check using state equation in 18127 ms returned unknown
[2021-05-07 22:28:58] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 22:28:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:28:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:29:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:29:16] [INFO ] [Real]Absence check using state equation in 18076 ms returned unknown
[2021-05-07 22:29:18] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 22:29:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 331 ms returned sat
[2021-05-07 22:29:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:29:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:29:36] [INFO ] [Real]Absence check using state equation in 18071 ms returned (error "Failed to check-sat")
[2021-05-07 22:29:38] [INFO ] [Real]Absence check using 2 positive place invariants in 364 ms returned sat
[2021-05-07 22:29:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 22:29:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:29:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:29:56] [INFO ] [Real]Absence check using state equation in 18063 ms returned unknown
[2021-05-07 22:29:58] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:29:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 22:29:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:30:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:30:16] [INFO ] [Real]Absence check using state equation in 18071 ms returned (error "Failed to check-sat")
[2021-05-07 22:30:18] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 22:30:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 335 ms returned sat
[2021-05-07 22:30:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:30:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:30:36] [INFO ] [Real]Absence check using state equation in 18054 ms returned (error "Failed to check-sat")
[2021-05-07 22:30:38] [INFO ] [Real]Absence check using 2 positive place invariants in 374 ms returned sat
[2021-05-07 22:30:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:30:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:30:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:30:56] [INFO ] [Real]Absence check using state equation in 17999 ms returned (error "Failed to check-sat")
[2021-05-07 22:30:58] [INFO ] [Real]Absence check using 2 positive place invariants in 355 ms returned sat
[2021-05-07 22:30:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:30:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:31:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:31:16] [INFO ] [Real]Absence check using state equation in 18047 ms returned unknown
[2021-05-07 22:31:18] [INFO ] [Real]Absence check using 2 positive place invariants in 346 ms returned sat
[2021-05-07 22:31:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 326 ms returned sat
[2021-05-07 22:31:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:31:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:31:36] [INFO ] [Real]Absence check using state equation in 18055 ms returned (error "Failed to check-sat")
[2021-05-07 22:31:38] [INFO ] [Real]Absence check using 2 positive place invariants in 367 ms returned sat
[2021-05-07 22:31:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 22:31:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:31:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:31:56] [INFO ] [Real]Absence check using state equation in 18029 ms returned unknown
[2021-05-07 22:31:58] [INFO ] [Real]Absence check using 2 positive place invariants in 380 ms returned sat
[2021-05-07 22:31:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:31:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:32:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:32:16] [INFO ] [Real]Absence check using state equation in 17998 ms returned (error "Failed to check-sat")
[2021-05-07 22:32:18] [INFO ] [Real]Absence check using 2 positive place invariants in 359 ms returned sat
[2021-05-07 22:32:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 22:32:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:32:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:32:36] [INFO ] [Real]Absence check using state equation in 18071 ms returned unknown
[2021-05-07 22:32:38] [INFO ] [Real]Absence check using 2 positive place invariants in 367 ms returned sat
[2021-05-07 22:32:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:32:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:32:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:32:56] [INFO ] [Real]Absence check using state equation in 18005 ms returned (error "Failed to check-sat")
[2021-05-07 22:32:58] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 22:32:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 315 ms returned sat
[2021-05-07 22:32:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:33:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:33:16] [INFO ] [Real]Absence check using state equation in 18071 ms returned unknown
[2021-05-07 22:33:18] [INFO ] [Real]Absence check using 2 positive place invariants in 362 ms returned sat
[2021-05-07 22:33:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 337 ms returned sat
[2021-05-07 22:33:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:33:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:33:36] [INFO ] [Real]Absence check using state equation in 18034 ms returned unknown
[2021-05-07 22:33:38] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 22:33:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 325 ms returned sat
[2021-05-07 22:33:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:33:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:33:56] [INFO ] [Real]Absence check using state equation in 18036 ms returned unknown
[2021-05-07 22:33:58] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 22:33:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 319 ms returned sat
[2021-05-07 22:33:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:34:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:34:16] [INFO ] [Real]Absence check using state equation in 18070 ms returned unknown
[2021-05-07 22:34:18] [INFO ] [Real]Absence check using 2 positive place invariants in 377 ms returned sat
[2021-05-07 22:34:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 22:34:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:34:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:34:36] [INFO ] [Real]Absence check using state equation in 18048 ms returned unknown
[2021-05-07 22:34:38] [INFO ] [Real]Absence check using 2 positive place invariants in 368 ms returned sat
[2021-05-07 22:34:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 22:34:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:34:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:34:56] [INFO ] [Real]Absence check using state equation in 18040 ms returned unknown
[2021-05-07 22:34:58] [INFO ] [Real]Absence check using 2 positive place invariants in 374 ms returned sat
[2021-05-07 22:34:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 332 ms returned sat
[2021-05-07 22:34:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:35:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:35:16] [INFO ] [Real]Absence check using state equation in 18063 ms returned (error "Failed to check-sat")
[2021-05-07 22:35:18] [INFO ] [Real]Absence check using 2 positive place invariants in 360 ms returned sat
[2021-05-07 22:35:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 321 ms returned sat
[2021-05-07 22:35:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:35:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:35:36] [INFO ] [Real]Absence check using state equation in 18072 ms returned (error "Failed to check-sat")
[2021-05-07 22:35:38] [INFO ] [Real]Absence check using 2 positive place invariants in 363 ms returned sat
[2021-05-07 22:35:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 324 ms returned sat
[2021-05-07 22:35:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:35:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:35:56] [INFO ] [Real]Absence check using state equation in 18041 ms returned (error "Failed to check-sat")
[2021-05-07 22:35:58] [INFO ] [Real]Absence check using 2 positive place invariants in 352 ms returned sat
[2021-05-07 22:35:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 323 ms returned sat
[2021-05-07 22:35:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:36:16] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:36:16] [INFO ] [Real]Absence check using state equation in 18071 ms returned (error "Failed to check-sat")
[2021-05-07 22:36:18] [INFO ] [Real]Absence check using 2 positive place invariants in 353 ms returned sat
[2021-05-07 22:36:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 329 ms returned sat
[2021-05-07 22:36:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:36:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:36:37] [INFO ] [Real]Absence check using state equation in 18069 ms returned (error "Failed to check-sat")
[2021-05-07 22:36:38] [INFO ] [Real]Absence check using 2 positive place invariants in 354 ms returned sat
[2021-05-07 22:36:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 328 ms returned sat
[2021-05-07 22:36:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:36:57] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:36:57] [INFO ] [Real]Absence check using state equation in 18084 ms returned (error "Failed to check-sat")
[2021-05-07 22:36:58] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:36:58] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 339 ms returned sat
[2021-05-07 22:36:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:37:17] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:37:17] [INFO ] [Real]Absence check using state equation in 18036 ms returned unknown
[2021-05-07 22:37:18] [INFO ] [Real]Absence check using 2 positive place invariants in 365 ms returned sat
[2021-05-07 22:37:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 330 ms returned sat
[2021-05-07 22:37:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:37:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:37:37] [INFO ] [Real]Absence check using state equation in 18046 ms returned unknown
[2021-05-07 22:37:38] [INFO ] [Real]Absence check using 2 positive place invariants in 350 ms returned sat
[2021-05-07 22:37:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 336 ms returned sat
[2021-05-07 22:37:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-07 22:37:57] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-07 22:37:57] [INFO ] [Real]Absence check using state equation in 18058 ms returned unknown
[2021-05-07 22:37:58] [INFO ] [Real]Absence check using 2 positive place invariants in 351 ms returned sat
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 13792332 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16145716 kB

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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="AirplaneLD-COL-4000"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is AirplaneLD-COL-4000, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r011-tall-162038006000118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-4000.tgz
mv AirplaneLD-COL-4000 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;