LOCAL
     count : INTEGER := 0;
    END_LOCAL;
    REPEAT i := 1 TO SIZEOF(input) BY 1;
     IF NOT EXISTS(input[i]\Allocated_passage_minimum_annular_ring_armx.associated_stratum_technology_occurrence) THEN
       count := count + 1;
     END_IF;
    END_REPEAT;
    RETURN(count);