diff --git a/sapfor/experts/Sapfor_2017/_src/CFGraph/DataFlow/data_flow_impl.h b/sapfor/experts/Sapfor_2017/_src/CFGraph/DataFlow/data_flow_impl.h
index db33e73..cb8ae41 100644
--- a/sapfor/experts/Sapfor_2017/_src/CFGraph/DataFlow/data_flow_impl.h
+++ b/sapfor/experts/Sapfor_2017/_src/CFGraph/DataFlow/data_flow_impl.h
@@ -33,20 +33,18 @@ void DataFlowAnalysisNode<DataType>::doStep()
     {
         if (in_cnt < next->out_cnt)
         {
-            for (const auto& byOut : next->getOut())
+            const auto& byOut = next->getOut();
+            bool inserted = addIn( byOut);
+
+            if (inserted)
             {
-                bool inserted = addIn({ byOut });
+                if (next->out_cnt > in_max_cnt)
+                    in_max_cnt = next->out_cnt;
 
-                if (inserted)
-                {
-                    if (next->out_cnt > in_max_cnt)
-                        in_max_cnt = next->out_cnt;
+                inserted = forwardData(byOut);
 
-                    inserted = forwardData({ byOut });
-
-                    if (inserted && next->out_cnt > out_max_cnt)
-                        out_max_cnt = next->out_cnt;
-                }
+                if (inserted && next->out_cnt > out_max_cnt)
+                    out_max_cnt = next->out_cnt;
             }
         }
     }