formal

case class Abc() extends SbyEngine with Product with Serializable
case class Aiger() extends SbyEngine with Product with Serializable
sealed trait FormalBackend extends AnyRef
trait FormalEngin extends AnyRef
class FormalPhase extends PhaseNetlist
sealed trait SbyEngine extends FormalEngin
case class SmtBmc(nomem: Boolean = false, syn: Boolean = false, stbv: Boolean = false, stdt: Boolean = false, nopresat: Boolean = false, unroll: Option[Boolean] = None, dumpsmt2: Boolean = false, progress: Boolean = true, solver: SmtBmcSolver = SmtBmcSolver.Yices) extends SbyEngine with Product with Serializable
trait SpinalFormalBackend extends AnyRef
case class SpinalFormalConfig(_workspacePath: String = ..., _workspaceName: String = null, _spinalConfig: SpinalConfig = SpinalConfig().includeFormal, _additionalRtlPath: ArrayBuffer[String] = ArrayBuffer[String](), _additionalIncludeDir: ArrayBuffer[String] = ArrayBuffer[String](), _modesWithDepths: LinkedHashMap[String, Int] = LinkedHashMap[String, Int](), _backend: FormalBackend = SymbiYosysFormalBackend, _keepDebugInfo: Boolean = false, _skipWireReduce: Boolean = false, _hasAsync: Boolean = false, _timeout: Option[Int] = None, _engines: ArrayBuffer[FormalEngin] = ArrayBuffer()) extends Product with Serializable

SpinalSim configuration
class SpinalSbyException extends Exception
class SymbiYosysFormalBackendConfig extends AnyRef
class SymbiYosysFormalBackendImpl extends SpinalFormalBackend

def FormalConfig: SpinalFormalConfig
object FormalDut
object FormalWorkspace

Formal verify Workspace
object GhdlFormalBackend extends FormalBackend with Product with Serializable
object SbyMode extends Enumeration
object SmtBmcSolver extends Enumeration
object SymbiYosysFormalBackend extends FormalBackend with Product with Serializable
def allconst[T <: Data](that: T): T
def allseq[T <: Data](that: T): T
def anyconst[T <: Data](that: T): T
def anyseq[T <: Data](that: T): T
def changed[T <: Data](that: T, init: T = null.asInstanceOf[T]): Bool
implicit val className: String
def fell(that: Bool): Bool
def formalChanged(that: Bool): Bool
def formalFell(that: Bool): Bool
def formalPast[T <: Data](that: T, delay: Int): T
def formalRose(that: Bool): Bool
def formalStable(that: Bool): Bool
def initstate(): Bool
def past[T <: Data](that: T): T
def past[T <: Data](that: T, delay: Int): T
def pastValid(): Bool
def pastValidAfterReset(): Bool
def rose(that: Bool): Bool
def stable[T <: Data](that: T, init: T = null.asInstanceOf[T]): Bool