Bugfix. The prior checkin cleaned up too much. Sometimes we need false things around.

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@1019 e59a4935-1847-0410-ae03-e826735625c1

diff --git a/src/to-sat/BitBlaster.cpp b/src/to-sat/BitBlaster.cpp
index 485e24b85e49fd7acd89beea865131ecf4f8bc95..0e08da0c46580f019e2d8c58921140e2cff02f80 100644 (file)
--- a/src/to-sat/BitBlaster.cpp
+++ b/src/to-sat/BitBlaster.cpp
@@ -1112,6 +1112,8 @@ void BitBlaster<BBNode,BBNodeManagerT>::buildAdditionNetworkResult(stack<BBNode>
                      products[i + 1].push(carry);
              }
       }
+      if (0==products[i].size())
+        products[i].push(BBFalse);
 
       assert(1==products[i].size());
 }