code: def unmap_memory_callback(self, start, size):
          
          logger.info(f"Unmapping memory from {hex(start)} to {hex(start + size)}")
  
          mask = (1 << 12) - 1
          if (start & mask) != 0:
              logger.error("Memory to be unmapped is not aligned to a page")
  
          if (size & mask) != 0:
              size = ((size >> 12) + 1) << 12
              logger.warning("Forcing unmap size to align to a page")
  
          self._emu.mem_unmap(start, size)
docs: Unmap Unicorn maps when Manticore unmaps them