diff --git a/expected/moc100_4.out b/expected/moc100_4.out
index 13e2306..0dc26bd 100644
--- a/expected/moc100_4.out
+++ b/expected/moc100_4.out
@@ -72,10 +72,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage && '4/0';
                                    QUERY PLAN                                   
 --------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=1 width=96) (actual rows=35 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=1 width=96) (actual rows=35 loops=1)
    Filter: (coverage && '4/0'::smoc)
    Rows Removed by Filter: 66
-   Buffers: shared hit=114
+   Buffers: shared hit=115
  Planning:
    Buffers: shared hit=1
 (6 rows)
@@ -84,10 +84,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage = '0/0-11';
                                    QUERY PLAN                                   
 --------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=1 width=96) (actual rows=23 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=1 width=96) (actual rows=23 loops=1)
    Filter: (coverage = '0/0-11'::smoc)
    Rows Removed by Filter: 78
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=4
 (6 rows)
@@ -96,10 +96,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage = '6/43225,43227';
                                   QUERY PLAN                                   
 -------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=1 width=96) (actual rows=1 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=1 width=96) (actual rows=1 loops=1)
    Filter: (coverage = '6/43225 43227'::smoc)
    Rows Removed by Filter: 100
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=1
 (6 rows)
@@ -108,10 +108,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage = '0/';
                                   QUERY PLAN                                   
 -------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=1 width=96) (actual rows=1 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=1 width=96) (actual rows=1 loops=1)
    Filter: (coverage = '0/'::smoc)
    Rows Removed by Filter: 100
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=1
 (6 rows)
@@ -120,10 +120,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '0/0-11';
                                     QUERY PLAN                                    
 ----------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=100 width=96) (actual rows=78 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=100 width=96) (actual rows=78 loops=1)
    Filter: (coverage <> '0/0-11'::smoc)
    Rows Removed by Filter: 23
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=4
 (6 rows)
@@ -132,10 +132,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '6/43225,43227';
                                     QUERY PLAN                                     
 -----------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=100 width=96) (actual rows=100 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=100 width=96) (actual rows=100 loops=1)
    Filter: (coverage <> '6/43225 43227'::smoc)
    Rows Removed by Filter: 1
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=1
 (6 rows)
@@ -144,10 +144,10 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '0/';
                                     QUERY PLAN                                     
 -----------------------------------------------------------------------------------
- Seq Scan on moc100  (cost=0.00..6.26 rows=100 width=96) (actual rows=100 loops=1)
+ Seq Scan on moc100  (cost=0.00..7.26 rows=100 width=96) (actual rows=100 loops=1)
    Filter: (coverage <> '0/'::smoc)
    Rows Removed by Filter: 1
-   Buffers: shared hit=59
+   Buffers: shared hit=60
  Planning:
    Buffers: shared hit=1
 (6 rows)
@@ -254,7 +254,7 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '0/0-11';
                                                     QUERY PLAN                                                     
 -------------------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on moc100  (cost=106888.23..106894.48 rows=100 width=96) (actual rows=78 loops=1)
+ Bitmap Heap Scan on moc100  (cost=106888.23..106895.48 rows=100 width=96) (actual rows=78 loops=1)
    Recheck Cond: (coverage <> '0/0-11'::smoc)
    Rows Removed by Index Recheck: 23
    Heap Blocks: exact=5
@@ -273,7 +273,7 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '6/43225,43227';
                                                     QUERY PLAN                                                     
 -------------------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on moc100  (cost=106888.23..106894.48 rows=100 width=96) (actual rows=100 loops=1)
+ Bitmap Heap Scan on moc100  (cost=106888.23..106895.48 rows=100 width=96) (actual rows=100 loops=1)
    Recheck Cond: (coverage <> '6/43225 43227'::smoc)
    Rows Removed by Index Recheck: 1
    Heap Blocks: exact=5
@@ -292,7 +292,7 @@ EXPLAIN (ANALYZE, BUFFERS, TIMING OFF, SUMMARY OFF)
 	SELECT * FROM moc100 WHERE coverage <> '0/';
                                                     QUERY PLAN                                                     
 -------------------------------------------------------------------------------------------------------------------
- Bitmap Heap Scan on moc100  (cost=106888.23..106894.48 rows=100 width=96) (actual rows=100 loops=1)
+ Bitmap Heap Scan on moc100  (cost=106888.23..106895.48 rows=100 width=96) (actual rows=100 loops=1)
    Recheck Cond: (coverage <> '0/'::smoc)
    Rows Removed by Index Recheck: 1
    Heap Blocks: exact=5