From 8b0ebe5a478fae92a49f12b5ac6090ba9d15bcbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Wed, 26 Aug 2015 11:15:50 +0200
Subject: Fix random configuration generator

Picosat is as default using 0 as seed for random generator. This lead
on same configuration every time.
---
 scripts/configurations.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/configurations.py b/scripts/configurations.py
index ed81ef2..aaf7ad0 100644
--- a/scripts/configurations.py
+++ b/scripts/configurations.py
@@ -5,6 +5,7 @@ import shutil
 import subprocess
 import time
 import hashlib
+import struct
 
 import utils
 from conf import conf
@@ -203,7 +204,7 @@ def __generate_single__(var_num, conf_num):
 def __generate_random__(var_num, conf_num):
 	tfile = __buildtempcnf__(var_num, (sf(conf.rules_file), sf(conf.fixed_file)), set())
 	try:
-		confs = __exec_sat__(tfile, ['-i', '3'], conf_num)
+		confs = __exec_sat__(tfile, ['-i', '3', '-s', struct.unpack('<L', os.urandom(4))[0]], conf_num)
 		for con in confs:
 			if not __register_conf__(con, conf_num, 'random-sat'):
 				__generate_random__(var_num, conf_num)
-- 
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