Analyzer thinks I'm leaking args, which obviously I am

gistfile1.txt

-(void) asyncSearchFor:(NSString *)searchTerm toCount:(int)maxCount
{
    if (searchTerm == nil)
    {
        searchTerm = @"";
    }
    NSArray *args = [[NSArray alloc] initWithObjects:searchTerm, [NSNumber numberWithBool:NO], [NSNumber numberWithInt:maxCount], nil];
    
    [self performSelectorInBackground:@selector(searchForPrep:) withObject:args];
}

- (void) searchForPrep:(NSArray *)args
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSString *word = (NSString *)[args objectAtIndex:0];
    NSNumber *isRepeated = (NSNumber *)[args objectAtIndex:1];
    NSNumber *maxCount = (NSNumber *)[args objectAtIndex:2];
    
    [self searchFor:word asRepeated:[isRepeated boolValue] toCount:[maxCount intValue]];
    [pool drain];
}