Program: 166886
Project: 166886
Buggy source:
private void toSql(SqlgGraph sqlgGraph,SchemaTableTree schemaTableTree,StringBuilder result,int depth){
  if (!this.hasContainers.isEmpty()) {
    boolean first=true;
    for (    HasContainer h : this.hasContainers) {
      if (!SqlgUtil.isBulkWithin(sqlgGraph,h)) {
        if (first) {
          first=false;
          result.append("String_Node_Str");
        }
 else {
          result.append("String_Node_Str");
        }
        WhereClause whereClause=WhereClause.from(h.getPredicate());
        result.append(whereClause.toSql(sqlgGraph,schemaTableTree,h));
      }
    }
    if (!first) {
      result.append("String_Node_Str");
    }
  }
  int count=1;
  if (!this.andOrHasContainers.isEmpty()) {
    result.append("String_Node_Str");
    for (int i=0; i < depth; i++) {
      result.append("String_Node_Str");
    }
    result.append("String_Node_Str");
  }
  for (  AndOrHasContainer andOrHasContainer : this.andOrHasContainers) {
    andOrHasContainer.toSql(sqlgGraph,schemaTableTree,result,depth + 1);
    if (count++ < this.andOrHasContainers.size()) {
switch (this.type) {
case AND:
        result.append("String_Node_Str");
      break;
case OR:
    result.append("String_Node_Str");
  break;
case NONE:
break;
}
}
}
if (!this.andOrHasContainers.isEmpty()) {
result.append("String_Node_Str");
for (int i=0; i < depth - 1; i++) {
result.append("String_Node_Str");
}
result.append("String_Node_Str");
}
}

Fixed version (ground truth):
private void toSql(SqlgGraph sqlgGraph,SchemaTableTree schemaTableTree,StringBuilder result,int depth){
  if (!this.hasContainers.isEmpty()) {
    boolean first=true;
    for (    HasContainer h : this.hasContainers) {
      if (!SqlgUtil.isBulkWithin(sqlgGraph,h)) {
        if (first) {
          first=false;
          result.append("String_Node_Str");
        }
 else {
          result.append("String_Node_Str");
        }
        String k=h.getKey();
        WhereClause whereClause=WhereClause.from(h.getPredicate());
        String bool=null;
        if (!k.equals(T.id.getAccessor())) {
          Map<String,PropertyType> pts=sqlgGraph.getTopology().getTableFor(schemaTableTree.getSchemaTable());
          if (pts != null && !pts.containsKey(k)) {
            Multimap<String,Object> keyValueMap=LinkedListMultimap.create();
            whereClause.putKeyValueMap(h,keyValueMap);
            if (keyValueMap.size() > 0) {
              bool="String_Node_Str";
            }
 else {
              if (Existence.NULL.equals(h.getBiPredicate())) {
                bool="String_Node_Str";
              }
 else {
                bool="String_Node_Str";
              }
            }
          }
        }
        if (bool != null) {
          result.append(bool);
        }
 else {
          result.append(whereClause.toSql(sqlgGraph,schemaTableTree,h));
        }
      }
    }
    if (!first) {
      result.append("String_Node_Str");
    }
  }
  int count=1;
  if (!this.andOrHasContainers.isEmpty()) {
    result.append("String_Node_Str");
    for (int i=0; i < depth; i++) {
      result.append("String_Node_Str");
    }
    result.append("String_Node_Str");
  }
  for (  AndOrHasContainer andOrHasContainer : this.andOrHasContainers) {
    andOrHasContainer.toSql(sqlgGraph,schemaTableTree,result,depth + 1);
    if (count++ < this.andOrHasContainers.size()) {
switch (this.type) {
case AND:
        result.append("String_Node_Str");
      break;
case OR:
    result.append("String_Node_Str");
  break;
case NONE:
break;
}
}
}
if (!this.andOrHasContainers.isEmpty()) {
result.append("String_Node_Str");
for (int i=0; i < depth - 1; i++) {
result.append("String_Node_Str");
}
result.append("String_Node_Str");
}
}