Example #1
0
void gt_timer_show_progress_final(GT_UNUSED GtTimer *t, GT_UNUSED FILE *fp)
{
#ifndef _WIN32
  struct timeval elapsed_tv, elapsed_user_tv, elapsed_sys_tv;
  const char overall_desc[] = "overall";

  gt_timer_stop(t);
  if (!t->omit_last_stage) {
    timeval_subtract(&elapsed_tv, &t->stop_tv, &t->start_tv);
    timeval_subtract(&elapsed_user_tv, &t->stop_ru.ru_utime,
      &t->start_ru.ru_utime);
    timeval_subtract(&elapsed_sys_tv, &t->stop_ru.ru_stime,
      &t->start_ru.ru_stime);
    gt_timer_print_progress_report(t, &elapsed_tv, &elapsed_user_tv,
      &elapsed_sys_tv, t->statedesc, fp);
  }
  timeval_subtract(&elapsed_tv, &t->stop_tv, &t->gstart_tv);
  timeval_subtract(&elapsed_user_tv, &t->stop_ru.ru_utime,
    &t->gstart_ru.ru_utime);
  timeval_subtract(&elapsed_sys_tv, &t->stop_ru.ru_stime,
    &t->gstart_ru.ru_stime);
  gt_timer_print_progress_report(t, &elapsed_tv, &elapsed_user_tv,
    &elapsed_sys_tv, overall_desc, fp);
#else
  /* XXX */
  fprintf(stderr, "gt_timer_show_progress_final() not implemented\n");
  exit(EXIT_FAILURE);
#endif
}
Example #2
0
void gt_timer_show_formatted(GtTimer *t, const char *fmt, FILE *fp)
{
  struct timeval elapsed_tv;
  if (t->state == TIMER_RUNNING)
    gt_timer_stop(t);
  gt_assert(t->state == TIMER_STOPPED);
  timeval_subtract(&elapsed_tv, &t->stop_tv, &t->gstart_tv);
  fprintf(fp, fmt,
          (long)(elapsed_tv.tv_sec),
          (long)(elapsed_tv.tv_usec),
          (long)(t->stop_ru.ru_utime.tv_sec - t->start_ru.ru_utime.tv_sec),
          (long)(t->stop_ru.ru_stime.tv_sec - t->start_ru.ru_stime.tv_sec));
}
Example #3
0
void gt_timer_show_formatted(GtTimer *t, const char *fmt, FILE *fp)
{
#ifndef _WIN32
  struct timeval elapsed_tv;
  if (t->state == TIMER_RUNNING)
    gt_timer_stop(t);
  gt_assert(t->state == TIMER_STOPPED);
  timeval_subtract(&elapsed_tv, &t->stop_tv, &t->gstart_tv);
  fprintf(fp, fmt,
          (GtWord)(elapsed_tv.tv_sec),
          (GtWord)(elapsed_tv.tv_usec),
          (GtWord)(t->stop_ru.ru_utime.tv_sec - t->start_ru.ru_utime.tv_sec),
          (GtWord)(t->stop_ru.ru_stime.tv_sec - t->start_ru.ru_stime.tv_sec));
#else
  /* XXX */
  fprintf(stderr, "gt_timer_show_formatted() not implemented\n");
  exit(EXIT_FAILURE);
#endif
}
Example #4
0
void gt_timer_get_formatted(GtTimer *t, const char *fmt, GtStr *str)
{
#ifndef _WIN32
  struct timeval elapsed_tv;
  char buf[BUFSIZ];
  if (t->state == TIMER_RUNNING)
    gt_timer_stop(t);
  gt_assert(t->state == TIMER_STOPPED);
  timeval_subtract(&elapsed_tv, &t->stop_tv, &t->gstart_tv);
  (void) snprintf(buf, BUFSIZ-1, fmt,
          (GtWord)(elapsed_tv.tv_sec),
          (GtWord)(elapsed_tv.tv_usec),
          (GtWord)(t->stop_ru.ru_utime.tv_sec - t->start_ru.ru_utime.tv_sec),
          (GtWord)(t->stop_ru.ru_stime.tv_sec - t->start_ru.ru_stime.tv_sec));
  gt_str_append_cstr(str, buf);
#else
  /* XXX */
  fprintf(stderr, "gt_timer_get_formatted() not implemented\n");
  exit(EXIT_FAILURE);
#endif
}
Example #5
0
void gt_timer_show_progress_final(GtTimer *t, FILE *fp)
{
  struct timeval elapsed_tv, elapsed_user_tv, elapsed_sys_tv;
  const char overall_desc[] = "overall";

  gt_timer_stop(t);
  if (!t->omit_last_stage) {
    timeval_subtract(&elapsed_tv, &t->stop_tv, &t->start_tv);
    timeval_subtract(&elapsed_user_tv, &t->stop_ru.ru_utime,
      &t->start_ru.ru_utime);
    timeval_subtract(&elapsed_sys_tv, &t->stop_ru.ru_stime,
      &t->start_ru.ru_stime);
    gt_timer_print_progress_report(t, &elapsed_tv, &elapsed_user_tv,
      &elapsed_sys_tv, t->statedesc, fp);
  }
  timeval_subtract(&elapsed_tv, &t->stop_tv, &t->gstart_tv);
  timeval_subtract(&elapsed_user_tv, &t->stop_ru.ru_utime,
    &t->gstart_ru.ru_utime);
  timeval_subtract(&elapsed_sys_tv, &t->stop_ru.ru_stime,
    &t->gstart_ru.ru_stime);
  gt_timer_print_progress_report(t, &elapsed_tv, &elapsed_user_tv,
    &elapsed_sys_tv, overall_desc, fp);
}
Example #6
0
static int gt_speck_runner(int argc, const char **argv, int parsed_args,
                               void *tool_arguments, GtError *err)
{
  GtNodeStream *gff3_in_stream = NULL, *checker_stream = NULL,
               *a_in_stream = NULL, *a_out_stream = NULL,
               *feature_stream = NULL, *sort_stream = NULL,
               *last_stream = NULL;
  GtNodeVisitor *spec_visitor = NULL;
  GtSpecResults *res = NULL;
  GtFeatureIndex *fi = NULL;
  GtTimer *t = NULL;
  GtRegionMapping *rm = NULL;
  GtArray *arr = gt_array_new(sizeof (GtFeatureNode*));
  SpeccheckArguments *arguments = tool_arguments;

  int had_err = 0;
  gt_error_check(err);

  res = gt_spec_results_new();
  gt_assert(res);
  t = gt_timer_new();
  gt_assert(t);

  spec_visitor = gt_spec_visitor_new(gt_str_get(arguments->specfile), res,
                                     err);
  if (!spec_visitor)
    return -1;

  /* add region mapping if given */
  if (gt_seqid2file_option_used(arguments->s2fi)) {
    rm = gt_seqid2file_region_mapping_new(arguments->s2fi, err);
    if (!rm)
      had_err = -1;
    if (!had_err)
      gt_spec_visitor_add_region_mapping((GtSpecVisitor*) spec_visitor, rm);
  }

  /* set runtime error behaviour */
  if (arguments->fail_hard)
    gt_spec_visitor_fail_on_runtime_error((GtSpecVisitor*) spec_visitor);
  else
    gt_spec_visitor_report_runtime_errors((GtSpecVisitor*) spec_visitor);

  /* redirect warnings */
  gt_warning_set_handler(gt_speck_record_warning, res);

  last_stream = gff3_in_stream = gt_gff3_in_stream_new_unsorted(
                                                            argc - parsed_args,
                                                            argv + parsed_args);
  gt_assert(gff3_in_stream);
  gt_gff3_in_stream_enable_tidy_mode((GtGFF3InStream*) gff3_in_stream);

  /* insert sort stream if requested */
  if (arguments->sort) {
    last_stream = sort_stream = gt_sort_stream_new(last_stream);
  }

  /* if -provideindex is given, collect input features and index them first */
  if (arguments->provideindex) {
    fi = gt_feature_index_memory_new();
    gt_assert(fi);

    last_stream = feature_stream = gt_feature_stream_new(last_stream, fi);
    gt_assert(feature_stream);

    last_stream = a_out_stream = gt_array_out_stream_all_new(last_stream, arr,
                                                             err);
    if (!a_out_stream)
      had_err = -1;

    gt_timer_start(t);

    if (!had_err)
      had_err = gt_node_stream_pull(last_stream, err);

    if (!had_err) {
      gt_spec_visitor_add_feature_index((GtSpecVisitor*) spec_visitor,
                                        gt_feature_index_ref(fi));
      last_stream = a_in_stream = gt_array_in_stream_new(arr, NULL, err);
      if (!a_in_stream)
        had_err = -1;
    }
  } else {
    gt_timer_start(t);
  }

  if (!had_err) {
    checker_stream = gt_visitor_stream_new(last_stream, spec_visitor);
    gt_assert(checker_stream);
  }

  /* perform checking  */
  if (!had_err)
    had_err = gt_node_stream_pull(checker_stream, err);

  gt_timer_stop(t);

  /* reset warnings output */
  gt_warning_set_handler(gt_warning_default_handler, NULL);

  /* output results */
  if (!had_err)
    gt_spec_results_report(res, arguments->outfp,
                           gt_str_get(arguments->specfile),
                           arguments->verbose, arguments->colored,
                           !arguments->allexpects);

  if (!had_err)
    gt_timer_show_formatted(t, "Finished in " GT_WD ".%06ld s.\n", stderr);

  /* free */
  gt_node_stream_delete(gff3_in_stream);
  gt_node_stream_delete(a_in_stream);
  gt_node_stream_delete(a_out_stream);
  gt_node_stream_delete(checker_stream);
  gt_node_stream_delete(feature_stream);
  gt_node_stream_delete(sort_stream);
  gt_spec_results_delete(res);
  gt_feature_index_delete(fi);
  gt_timer_delete(t);
  gt_array_delete(arr);

  return had_err;
}
Example #7
0
/*call function with linear gap costs for all given sequences */
static int gt_all_against_all_alignment_check(bool affine,
                                        GtAlignment *align,
                                        const GtLinspaceArguments *arguments,
                                        GtLinspaceManagement *spacemanager,
                                        const GtScoreHandler *scorehandler,
                                        const GtUchar *characters,
                                        GtUchar wildcardshow,
                                        const GtSequenceTable *sequence_table1,
                                        const GtSequenceTable *sequence_table2,
                                        GtWord left_dist,
                                        GtWord right_dist,
                                        GtTimer *linspacetimer,
                                        GtError *err)
{
  int had_err = 0;
  const GtUchar *useq, *vseq;
  GtUword i, j, ulen, vlen;

  gt_error_check(err);
  if (linspacetimer != NULL)
  {
    gt_timer_start(linspacetimer);
  }
  for (i = 0; !had_err && i < sequence_table1->size; i++)
  {
    ulen = gt_str_length(sequence_table1->seqarray[i]);
    useq = (const GtUchar*) gt_str_get(sequence_table1->seqarray[i]);
    for (j = 0; j< sequence_table2->size; j++)
    {
      vlen = gt_str_length(sequence_table2->seqarray[j]);
      vseq = (const GtUchar*) gt_str_get(sequence_table2->seqarray[j]);
      gt_alignment_reset(align);
      if (arguments->global)
      {
        if (arguments->diagonal)
        {
          if (gt_str_array_size(arguments->diagonalbonds) == 0)
          {
            left_dist = LEFT_DIAGONAL_SHIFT(arguments->similarity, ulen, vlen);
            right_dist = RIGHT_DIAGONAL_SHIFT(arguments->similarity, ulen,
                                              vlen);
          }
          if ((left_dist > MIN(0, (GtWord)vlen-(GtWord)ulen))||
              (right_dist < MAX(0, (GtWord)vlen-(GtWord)ulen)))
          {
            gt_error_set(err, "ERROR: invalid diagonalband for global "
                              "alignment (ulen: "GT_WU", vlen: "GT_WU")\n"
                              "left_dist <= MIN(0, vlen-ulen) and "
                              "right_dist >= MAX(0, vlen-ulen)", ulen, vlen);
            had_err = 1;
          }
          if (!had_err)
          {
            (affine ? gt_diagonalbandalign_affinegapcost_compute_generic
                    : gt_diagonalbandalign_compute_generic)
                       (spacemanager, scorehandler, align,
                        useq, 0, ulen, vseq, 0, vlen,
                        left_dist, right_dist);
          }
        } else
        {
          (affine ? gt_linearalign_affinegapcost_compute_generic
                  : gt_linearalign_compute_generic)
                             (spacemanager, scorehandler, align,
                              useq, 0, ulen, vseq, 0, vlen);
        }
      }
      else if (arguments->local)
      {
        (affine ? gt_linearalign_affinegapcost_compute_local_generic
                : gt_linearalign_compute_local_generic)
                    (spacemanager, scorehandler, align,
                     useq, 0, ulen, vseq, 0, vlen);
      }
      /* show alignment*/
      if (!had_err)
      {
        gt_assert(align != NULL);
        if (!strcmp(gt_str_get(arguments->outputfile),"stdout"))
        {
          alignment_show_with_sequences(useq, ulen, vseq, vlen, align,
                                        characters,
                                        wildcardshow, arguments->showscore,
                                        !arguments->scoreonly,
                                        arguments->showsequences,
                                        arguments->global,
                                        scorehandler, stdout);
        } else
        {
          FILE *fp = gt_fa_fopen_func(gt_str_get(arguments->outputfile),
                                                 "a", __FILE__,__LINE__,err);
          if (fp == NULL)
          {
            had_err = -1;
          } else
          {
            alignment_show_with_sequences(useq, ulen, vseq, vlen, align,
                                          characters, wildcardshow,
                                          arguments->showscore,
                                          !arguments->scoreonly,
                                          arguments->showsequences,
                                          arguments->global, scorehandler,fp);
            gt_fa_fclose(fp);
          }
        }
      }
    }
  }
  if (linspacetimer != NULL)
  {
    gt_timer_stop(linspacetimer);
  }
  if (!had_err && arguments->wildcardshow)
  {
    printf("# wildcards are represented by %c\n", wildcardshow);
  }
  return had_err;
}
static int gt_kmer_database_runner(GT_UNUSED int argc, const char **argv,
                                   int parsed_args, void *tool_arguments,
                                   GtError *err)
{
  GtKmerDatabaseArguments *arguments = tool_arguments;
  int had_err = 0;
  GtEncseq       *es;
  GtUword        es_length,
                 nu_kmer_codes = 0;
  GtKmerDatabase *compare_db = NULL,
                 *db = NULL;
  GtLogger *logger;
  FILE *fp = NULL;
  GtHashmap *kmer_hash = NULL;
  GtTimer *timer = NULL;

  gt_error_check(err);
  gt_assert(arguments);

  if (arguments->use_hash)
    kmer_hash = gt_hashmap_new(GT_HASH_DIRECT, NULL,
                               (GtFree) gt_kmer_database_delete_hash_value);
  if (arguments->bench)
    timer = gt_timer_new_with_progress_description("loading encoded sequence");

  logger = gt_logger_new(arguments->verbose, GT_LOGGER_DEFLT_PREFIX, stderr);

  if (arguments->verbose && gt_str_length(arguments->print_filename) > 0UL) {
    fp = gt_fa_fopen(gt_str_get(arguments->print_filename), "w", err);
    gt_logger_set_target(logger, fp);
  }

  if (!had_err) {
    GtEncseqLoader *es_l;
    if (arguments->bench)
      gt_timer_start(timer);
    es_l = gt_encseq_loader_new();
    es = gt_encseq_loader_load(es_l, argv[parsed_args], err);
    if (arguments->bench)
      gt_timer_show_progress(timer, "saving kmers (+iterating over file)",
                             stdout);
    if (es == NULL) {
      had_err = -1;
    }
    gt_encseq_loader_delete(es_l);
  }
  if (!had_err) {
    es_length = gt_encseq_total_length(es);
    if (es_length < (GtUword) arguments->kmersize) {
      gt_error_set(err, "Input is too short for used kmersize. File length: "
                   GT_WU " kmersize: %u", es_length, arguments->kmersize);
      had_err = -1;
    }
  }
  if (!had_err) {
    GtAlphabet *alphabet;
    alphabet = gt_encseq_alphabet(es);
    if (arguments->bench)
    nu_kmer_codes = gt_power_for_small_exponents(
                                            gt_alphabet_num_of_chars(alphabet),
                                            arguments->kmersize);
    if (!arguments->merge_only && !arguments->use_hash && !arguments->bench) {
      compare_db = gt_kmer_database_new(gt_alphabet_num_of_chars(alphabet),
                                arguments->kmersize, arguments->sb_size, es);
    }
    if (!arguments->use_hash) {
      db = gt_kmer_database_new(gt_alphabet_num_of_chars(alphabet),
                                arguments->kmersize,
                                arguments->sb_size, es);
      if (arguments->cutoff) {
        if (arguments->mean_cutoff)
          gt_kmer_database_use_mean_cutoff(db, (GtUword) 2,
                                           arguments->cutoff_value);
        else
          gt_kmer_database_set_cutoff(db, arguments->cutoff_value);
        if (!arguments->prune)
          gt_kmer_database_set_prune(db);
      }
    }
  }

  if (!had_err) {
    GtUword startpos = 0,
            endpos;
    GtKmercodeiterator *iter;
    const GtKmercode *kmercode = NULL;
    iter = gt_kmercodeiterator_encseq_new(es, GT_READMODE_FORWARD,
                                          arguments->kmersize, 0);
    while (!had_err && startpos < es_length - (arguments->kmersize - 1)) {
      GtUword startpos_add_kmer = startpos;
      if (arguments->merge_only) {
        endpos = startpos + (arguments->kmersize - 1) +
                 (gt_rand_max((arguments->sb_size - 1) * 2));
        if (endpos > es_length)
          endpos = es_length;
      }
      else {
        endpos = startpos + (arguments->kmersize - 1) +
                 (gt_rand_max(arguments->sb_size - 1));
      }
      gt_kmercodeiterator_reset(iter, GT_READMODE_FORWARD, startpos);
      while ((kmercode = gt_kmercodeiterator_encseq_next(iter)) != NULL &&
             startpos_add_kmer <= endpos - (arguments->kmersize - 1)) {
        if (!arguments->merge_only && !arguments->use_hash &&
            !kmercode->definedspecialposition && !arguments->bench) {
          gt_kmer_database_add_kmer(compare_db, kmercode->code,
                                    startpos_add_kmer);
        }
        if (arguments->use_hash && !kmercode->definedspecialposition) {
          gt_kmer_database_add_to_hash(kmer_hash, kmercode->code,
                                       startpos_add_kmer);
        }
        startpos_add_kmer++;
      }
      if (!arguments->use_hash) {
        gt_kmer_database_add_interval(db, startpos, endpos);
        gt_kmer_database_print_buffer(db, logger);
        if (!arguments->bench)
          had_err = gt_kmer_database_check_consistency(db, err);
      }
      startpos = endpos + 1;
    }
    if (!arguments->use_hash) {
      gt_kmer_database_flush(db);
      gt_kmer_database_print_buffer(db, logger);
      if (!had_err && !arguments->bench)
        had_err = gt_kmer_database_check_consistency(db, err);
      if (!arguments->merge_only && !had_err && !arguments->bench)
        had_err = gt_kmer_database_check_consistency(compare_db, err);
      if (!arguments->merge_only && !arguments->bench)
        gt_kmer_database_print(compare_db, logger, true);
      if (!arguments->merge_only && !had_err && !arguments->bench)
        had_err = gt_kmer_database_compare(compare_db, db, err);
      gt_kmer_database_print(db, logger, true);
    }
    gt_kmercodeiterator_delete(iter);
  }

  if (arguments->bench) {
    GtKmerStartpos pos;
    GtArrayGtUword *pos_hash;
    GtUword rand_access = (GtUword) 50000000,
            rand_code,
            i,
            sum = 0;
    gt_timer_show_progress(timer, "random access", stdout);
    for (i = 0; i < rand_access; i++) {
      rand_code = gt_rand_max(nu_kmer_codes - 1);
      if (arguments->use_hash) {
        pos_hash = gt_hashmap_get(kmer_hash, (const void *) rand_code);
        if (pos_hash != NULL)
          sum += pos_hash->spaceGtUword[pos_hash->nextfreeGtUword - 1];
      }
      else {
        pos = gt_kmer_database_get_startpos(db, rand_code);
        if (pos.no_positions > 0)
          sum += pos.startpos[pos.no_positions - 1];
      }
    }
    printf("sum: " GT_WU "\n", sum);

    gt_timer_show_progress(timer, "", stdout);
    gt_timer_stop(timer);
    gt_timer_delete(timer);
  }
  if (arguments->use_hash)
    gt_hashmap_delete(kmer_hash);
  gt_encseq_delete(es);
  if (!arguments->use_hash)
    gt_kmer_database_delete(db);
  if (!arguments->merge_only && !arguments->bench)
    gt_kmer_database_delete(compare_db);
  gt_logger_delete(logger);
  gt_fa_fclose(fp);

  return had_err;
}
Example #9
0
static int gt_speck_runner(int argc, const char **argv, int parsed_args,
                               void *tool_arguments, GtError *err)
{
  GtNodeStream *gff3_in_stream = NULL, *checker_stream = NULL,
               *a_in_stream = NULL, *a_out_stream = NULL,
               *feature_stream = NULL, *sort_stream = NULL,
               *last_stream = NULL;
  GtNodeVisitor *spec_visitor = NULL;
  GtSpecResults *res = NULL;
  GtFeatureIndex *fi = NULL;
  GtTypeChecker *type_checker = NULL;
  GtTimer *t = NULL;
  GtRegionMapping *rm = NULL;
  GtArray *arr = gt_array_new(sizeof (GtFeatureNode*));
  GtStr *prog, *speclib;
  SpeccheckArguments *arguments = tool_arguments;

  int had_err = 0;
  gt_error_check(err);

  res = gt_spec_results_new();
  gt_assert(res);

  if (gt_file_exists(gt_str_get(arguments->format))) {
    speclib = gt_str_ref(arguments->format);
  } else {
    prog = gt_str_new();
    gt_str_append_cstr_nt(prog, gt_error_get_progname(err),
                    gt_cstr_length_up_to_char(gt_error_get_progname(err), ' '));
    speclib = gt_get_gtdata_path(gt_str_get(prog), NULL);
    gt_str_delete(prog);
    gt_str_append_cstr(speclib, "/spec/output_drivers/");
    gt_str_append_str(speclib, arguments->format);

    if (!gt_file_exists(gt_str_get(speclib))) {
      gt_error_set(err, "output driver file \"%s\" does not exist",
                   gt_str_get(speclib));
      had_err = -1;
    }
  }

  if (!had_err) {
    spec_visitor = gt_spec_visitor_new(gt_str_get(arguments->specfile), res,
                                       err);
    if (!spec_visitor) {
      gt_spec_results_delete(res);
      return -1;
    }
  }

  t = gt_timer_new();
  gt_assert(t);

  /* add region mapping if given */
  if (!had_err && gt_seqid2file_option_used(arguments->s2fi)) {
    rm = gt_seqid2file_region_mapping_new(arguments->s2fi, err);
    if (!rm)
      had_err = -1;
    if (!had_err)
      gt_spec_visitor_add_region_mapping((GtSpecVisitor*) spec_visitor, rm);
  }

  /* set type checker if necessary */
  if (!had_err && gt_typecheck_info_option_used(arguments->tci)) {
    type_checker = gt_typecheck_info_create_type_checker(arguments->tci, err);
    if (!type_checker)
      had_err = -1;
    if (!had_err)
      gt_spec_visitor_add_type_checker((GtSpecVisitor*) spec_visitor,
                                       type_checker);
  }

  if (!had_err) {
    /* set runtime error behaviour */
    if (arguments->fail_hard)
      gt_spec_visitor_fail_on_runtime_error((GtSpecVisitor*) spec_visitor);
    else
      gt_spec_visitor_report_runtime_errors((GtSpecVisitor*) spec_visitor);

    /* redirect warnings */
    gt_warning_set_handler(gt_speck_record_warning, res);

    last_stream = gff3_in_stream = gt_gff3_in_stream_new_unsorted(
                                                            argc - parsed_args,
                                                            argv + parsed_args);
    gt_assert(gff3_in_stream);
    gt_gff3_in_stream_enable_tidy_mode((GtGFF3InStream*) gff3_in_stream);

    /* insert sort stream if requested */
    if (arguments->sort) {
      last_stream = sort_stream = gt_sort_stream_new(last_stream);
    }

    /* if -provideindex is given, collect input features and index them first */
    if (arguments->provideindex) {
      fi = gt_feature_index_memory_new();
      gt_assert(fi);

      last_stream = feature_stream = gt_feature_stream_new(last_stream, fi);
      gt_assert(feature_stream);

      last_stream = a_out_stream = gt_array_out_stream_all_new(last_stream, arr,
                                                               err);
      if (!a_out_stream)
        had_err = -1;

      gt_timer_start(t);

      if (!had_err)
        had_err = gt_node_stream_pull(last_stream, err);

      if (!had_err) {
        gt_spec_visitor_add_feature_index((GtSpecVisitor*) spec_visitor,
                                          gt_feature_index_ref(fi));
        last_stream = a_in_stream = gt_array_in_stream_new(arr, NULL, err);
        if (!a_in_stream)
          had_err = -1;
      }
    } else {
      gt_timer_start(t);
    }

    if (!had_err) {
      checker_stream = gt_visitor_stream_new(last_stream, spec_visitor);
      gt_assert(checker_stream);
    }

    /* perform checking  */
    if (!had_err)
      had_err = gt_node_stream_pull(checker_stream, err);

    gt_timer_stop(t);

    /* reset warnings output */
    gt_warning_set_handler(gt_warning_default_handler, NULL);

    /* output results */
    if (!had_err) {
      GtStr *runtime = gt_str_new();
      gt_timer_get_formatted(t, GT_WD ".%06ld", runtime);
      had_err = gt_spec_results_render_template(res, gt_str_get(speclib),
                                                arguments->outfp,
                                                gt_str_get(arguments->specfile),
                                                arguments->verbose,
                                                arguments->colored,
                                                gt_str_get(runtime), err);
      gt_str_delete(runtime);
    }
  }

  /* free */
  gt_node_stream_delete(gff3_in_stream);
  gt_node_stream_delete(a_in_stream);
  gt_node_stream_delete(a_out_stream);
  gt_node_stream_delete(checker_stream);
  gt_node_stream_delete(feature_stream);
  gt_node_stream_delete(sort_stream);
  gt_spec_results_delete(res);
  gt_feature_index_delete(fi);
  gt_type_checker_delete(type_checker);
  gt_timer_delete(t);
  gt_array_delete(arr);
  gt_str_delete(speclib);

  return had_err;
}