code: def _create_temp_dir(self):
          
          if self._user is None:
              base_dir = tempfile.mkdtemp(prefix="BenchExec_run_")
          else:
              create_temp_dir = self._build_cmdline([
                  'python', '-c',
                  'import tempfile;'
                  'print(tempfile.mkdtemp(prefix="BenchExec_run_"))'
                  ])
              base_dir = subprocess.check_output(create_temp_dir).decode().strip()
          return base_dir
docs: Create a temporary directory for the run.