output: #fixed code
                                  @Override
      public boolean isInNonPointsRegion(Location location) {
          ApplicableRegionSet regionSet = getRegionSet(location);
  
          if (regionSet == null) {
              return false;
          }
  
          for (ProtectedRegion region : regionSet) {
              if (region.getFlag(noPointsFlag) == StateFlag.State.ALLOW) {
                  return true;
              }
          }
  
          return false;
      }
input: #vulnerable code 
                                  @Override
      public boolean isInNonPointsRegion(Location location) {
          if (! isInRegion(location)) {
              return false;
          }
  
          for (ProtectedRegion region : getRegionSet(location)) {
              if (region.getFlag(noPointsFlag) == StateFlag.State.ALLOW) {
                  return true;
              }
          }
  
          return false;
      } 
                              #location 7 
                              #vulnerability type NULL_DEREFERENCE