output: #fixed code
                                  private static Object getValue(final V8Array array, final int index, final V8Map<Object> cache) {
          int valueType = array.getType(index);
          switch (valueType) {
              case V8Value.INTEGER:
                  return array.getInteger(index);
              case V8Value.DOUBLE:
                  return array.getDouble(index);
              case V8Value.BOOLEAN:
                  return array.getBoolean(index);
              case V8Value.STRING:
                  return array.getString(index);
              case V8Value.V8_FUNCTION:
                  return IGNORE;
              case V8Value.V8_ARRAY_BUFFER:
                  V8ArrayBuffer buffer = (V8ArrayBuffer) array.get(index);
                  try {
                      return new ArrayBuffer(buffer.getBackingStore());
                  } finally {
                      buffer.release();
                  }
              case V8Value.V8_TYPED_ARRAY:
                  V8Array typedArray = array.getArray(index);
                  try {
                      return toTypedArray(typedArray);
                  } finally {
                      if (typedArray instanceof V8Array) {
                          typedArray.release();
                      }
                  }
              case V8Value.V8_ARRAY:
                  V8Array arrayValue = array.getArray(index);
                  try {
                      return toList(arrayValue, cache);
                  } finally {
                      if (arrayValue instanceof V8Array) {
                          arrayValue.release();
                      }
                  }
              case V8Value.V8_OBJECT:
                  V8Object objectValue = array.getObject(index);
                  try {
                      return toMap(objectValue, cache);
                  } finally {
                      if (objectValue instanceof V8Object) {
                          objectValue.release();
                      }
                  }
              case V8Value.NULL:
                  return null;
              case V8Value.UNDEFINED:
                  return V8.getUndefined();
              default:
                  throw new IllegalStateException("Cannot find type for index: " + index);
          }
      }
input: #vulnerable code 
                                  private static Object getValue(final V8Array array, final int index, final V8Map<Object> cache) {
          int valueType = array.getType(index);
          switch (valueType) {
              case V8Value.INTEGER:
                  return array.getInteger(index);
              case V8Value.DOUBLE:
                  return array.getDouble(index);
              case V8Value.BOOLEAN:
                  return array.getBoolean(index);
              case V8Value.STRING:
                  return array.getString(index);
              case V8Value.V8_FUNCTION:
                  return IGNORE;
              case V8Value.V8_ARRAY_BUFFER:
                  V8ArrayBuffer buffer = (V8ArrayBuffer) array.get(index);
                  try {
                      return buffer.getBackingStore();
                  } finally {
                      buffer.release();
                  }
              case V8Value.V8_TYPED_ARRAY:
                  V8Array typedArray = array.getArray(index);
                  try {
                      return toTypedArray(typedArray);
                  } finally {
                      if (typedArray instanceof V8Array) {
                          typedArray.release();
                      }
                  }
              case V8Value.V8_ARRAY:
                  V8Array arrayValue = array.getArray(index);
                  try {
                      return toList(arrayValue, cache);
                  } finally {
                      if (arrayValue instanceof V8Array) {
                          arrayValue.release();
                      }
                  }
              case V8Value.V8_OBJECT:
                  V8Object objectValue = array.getObject(index);
                  try {
                      return toMap(objectValue, cache);
                  } finally {
                      if (objectValue instanceof V8Object) {
                          objectValue.release();
                      }
                  }
              case V8Value.NULL:
                  return null;
              case V8Value.UNDEFINED:
                  return V8.getUndefined();
              default:
                  throw new IllegalStateException("Cannot find type for index: " + index);
          }
      } 
                              #location 33 
                              #vulnerability type NULL_DEREFERENCE