docs: def _get_min_addr(self):
          """
          Get the minimum address out of all regions. We assume self._regions is sorted.
  
          :return: The minimum address.
          :rtype:  int
          """
  
          if not self._regions:
              if self.project.arch.name != "Soot":
                  l.error("self._regions is empty or not properly set.")
              return None
  
          return next(self._regions.irange())