code: def generate_symbolic_cmd_line_arg(state, max_length=1000):
          
          str_ref = SimSootValue_StringRef(state.memory.get_new_uuid())
          str_sym = StringS("cmd_line_arg", max_length)
          state.solver.add(str_sym != StringV(""))
          state.memory.store(str_ref, str_sym)
          return str_ref
docs: Generates a new symbolic cmd line argument string.
          :return: The string reference.