int ierr;

      CCTK_VINFO("Silo input for groups:");
      for (int gi = 0; gi < CCTK_NumGroups(); ++gi) {
        if (group_enabled.at(gi)) {
          char *const groupname = CCTK_GroupName(gi);
          CCTK_VINFO("  %s", groupname);
          free(groupname);

      const bool have_silo_input = any_of(
          group_enabled.begin(), group_enabled.end(), [](bool b) { return b; });
      if (have_silo_input) {
        CCTK_VINFO("Silo input for groups:");
        for (int gi = 0; gi < CCTK_NumGroups(); ++gi) {
          if (group_enabled.at(gi)) {
            char *const groupname = CCTK_GroupName(gi);
            CCTK_VINFO("  %s", groupname);
            free(groupname);
          }

      } else {
        CCTK_VINFO("No Silo input");