I keep gettng memory errors then the script stops working.

My host has been trying to help me by increasing the memory but the script keeps stopping. This is for a large site with about 250,000 listings.

Links depth: 3
Current page: Paolini-Corp-Lunenburg-2323.html
Pages added to sitemap: 29136
Pages scanned: 29160 (944,708.2 KB)
Pages left: 7045 (+ 106375 queued for the next depth level)
Time passed: 315:55
Time left: 76:19
Memory usage: 54,293.4 Kb
Resuming the last session (last updated: 2009-02-20 18:11:24)

Fatal error: Allowed memory size of 130023424 bytes exhausted (tried to allocate 44 bytes) in /opt/lampp/htdocs/..../docs/generator/pages/class.utils.inc.php(2) : eval()'d code on line 6