No dice. Tried running from command line with all output piped to a file, and here is what I get:
Resuming the last session (last updated: 1970-01-01 00:00:00)
1 | 106 | 34.0 | 0:00:02 | 0:03:45 | 1 | 1,318.3 Kb | 1 | 0 | 1318
20 | 87 | 639.1 | 0:00:04 | 0:00:20 | 1 | 1,819.4 Kb | 20 | 570 | 1819
40 | 67 | 1,229.3 | 0:00:07 | 0:00:13 | 1 | 2,046.9 Kb | 38 | 956 | 2046
.
.
.
42220 | 2 | 806,270.9 | 2:14:16 | 0:00:00 | 215 | 44,267.1 Kb | 35568 | 0 | 44267
42240 | 2 | 807,420.5 | 2:14:24 | 0:00:00 | 225 | 44,280.5 Kb | 35578 | 0 | 44280
42244 | 0 | 807,644.7 | 2:14:26 | 0:00:00 | 228 | 44,291.8 Kb | 35581 | 0 | 44291
<h4>Completed</h4>Total pages indexed: 35581
<br>Creating sitemaps...
<div id="percprog"></div>
| | 0.0 | 0:00:00 | 0:00:00 | | | | | 0
| | 0.0 | 0:00:00 | 0:00:00 | | | | | 0
| | 0.0 | 0:00:00 | 0:00:00 | | | | | 0
| | 0.0 | 0:00:00 | 0:00:00 | | | | | 0
<br />Done, redirecting to sitemap view page.
<script>
top.location = 'index.php?op=view'
</script>
There are no error messages. As usual, no sitemap was written.