@startuml
skinparam backgroundColor transparent
skinparam shadowing false
skinparam defaultFontName Monospace
skinparam defaultFontSize 12
skinparam rectangleBorderColor #2c7794
skinparam rectangleBackgroundColor #edf6fa
title A4 APPLICATION — behavior parity is part of the proof
rectangle "01 dynamic worker\nreceive 0xCAFE\nstart dynamic timer" as dyn
rectangle "02 static worker\nreceive 0xCAFE\nstart static timer" as stat
rectangle "03 timer daemon\ndynamic callback = 1\nstatic callback = 1" as daemon
rectangle "04 verifier\nmessage parity\ncallback parity\ndistinct stacks" as verify
dyn --> daemon
stat --> daemon
dyn --> verify
stat --> verify
daemon --> verify
@enduml