--- a/src/parallel_execution/RedBlackTree.cbc	Mon Dec 11 20:01:05 2017 +0900
+++ b/src/parallel_execution/RedBlackTree.cbc	Mon Dec 11 20:11:40 2017 +0900
@@ -77,7 +77,7 @@
 __code insertRBTree(struct Node* node, struct RedBlackTree* tree, struct Stack* stack, __code next(...)) {
   // first case tree->current = root;
   printf("C_insertRBTree\n");
-  stack = tree->nodeStack;
+  //stack = tree->nodeStack;
   printf("value->%d,key->%d\n",node->value,node->key);
   printf("newNode value->%d,newNode key->%d\n",tree->newNode->value,tree->newNode->key);
 
@@ -94,7 +94,7 @@
 }
 
 
-__code searchInsertLocation(struct Node* node, struct RedBlackTree* tree, struct Stack* stack) {
+__code searchInsertLocation(struct Node* node, struct RedBlackTree* tree) {
   // first case tree->current = root; PreCase remove root=NULL case.don't exist firstCase tree->current=NULL
   printf("C_searchInsertLocation\n");
   printf("nownode->key %d , previous->key %d \n",tree->newNode->key,tree->previous->key);
@@ -102,11 +102,11 @@
   tree->result = compare(tree->current, node);
   printf("tree->current->key = %d, node->key %d\n",tree->current->key,node->key);
   printf("compare (%d,%d)\n",tree->current,node);
+  struct Stack* stack = tree->nodeStack;
   if (tree->current == NULL) {
     printf("goto insertLocationBackInsert stack->pop");
     goto stack->pop(insertLocationBackInsert);
   }
-
   if (tree->result == GT) {
     printf("GT searchInsertLocation");
     tree->current = tree->current->right;