obj
IEquatable<KripkeStructureBDD>
IStructuralEquatable
IComparable<KripkeStructureBDD>
IComparable
IStructuralComparable
nowVars
BoolExpr list
nxtVars
phiInit
BddAdr
phiSafe
phiTrans
stateIdxEnc
Map<AtomIndex, bool>[]