Program: 16866
Project: 16866
Buggy source:
@Override public int hashCode(){
  int result=(int)(id ^ (id >>> 32));
  result=31 * result + (screenName != null ? screenName.hashCode() : 0);
  result=31 * result + (name != null ? name.hashCode() : 0);
  result=31 * result + (url != null ? url.hashCode() : 0);
  result=31 * result + (profileImageUrl != null ? profileImageUrl.hashCode() : 0);
  result=31 * result + (description != null ? description.hashCode() : 0);
  result=31 * result + (location != null ? location.hashCode() : 0);
  result=31 * result + (createdDate != null ? createdDate.hashCode() : 0);
  result=31 * result + (language != null ? language.hashCode() : 0);
  result=31 * result + statusesCount;
  result=31 * result + friendsCount;
  result=31 * result + followersCount;
  result=31 * result + favoritesCount;
  result=31 * result + listedCount;
  result=31 * result + (following ? 1 : 0);
  result=31 * result + (followRequestSent ? 1 : 0);
  result=31 * result + (isProtected ? 1 : 0);
  result=31 * result + (notificationsEnabled ? 1 : 0);
  result=31 * result + (verified ? 1 : 0);
  result=31 * result + (geoEnabled ? 1 : 0);
  result=31 * result + (contributorsEnabled ? 1 : 0);
  result=31 * result + (translator ? 1 : 0);
  result=31 * result + (timeZone != null ? timeZone.hashCode() : 0);
  result=31 * result + utcOffset;
  result=31 * result + (sidebarBorderColor != null ? sidebarBorderColor.hashCode() : 0);
  result=31 * result + (sidebarFillColor != null ? sidebarFillColor.hashCode() : 0);
  result=31 * result + (backgroundColor != null ? backgroundColor.hashCode() : 0);
  result=31 * result + (useBackgroundImage ? 1 : 0);
  result=31 * result + (backgroundImageUrl != null ? backgroundImageUrl.hashCode() : 0);
  result=31 * result + (backgroundImageTiled ? 1 : 0);
  result=31 * result + (textColor != null ? textColor.hashCode() : 0);
  result=31 * result + (linkColor != null ? linkColor.hashCode() : 0);
  result=31 * result + (showAllInlineMedia ? 1 : 0);
  return result;
}

Fixed version (ground truth):
@Override public int hashCode(){
  int result=(int)(id ^ (id >>> 32));
  result=31 * result + (idStr != null ? idStr.hashCode() : 0);
  result=31 * result + (screenName != null ? screenName.hashCode() : 0);
  result=31 * result + (name != null ? name.hashCode() : 0);
  result=31 * result + (url != null ? url.hashCode() : 0);
  result=31 * result + (profileImageUrl != null ? profileImageUrl.hashCode() : 0);
  result=31 * result + (description != null ? description.hashCode() : 0);
  result=31 * result + (location != null ? location.hashCode() : 0);
  result=31 * result + (createdDate != null ? createdDate.hashCode() : 0);
  result=31 * result + (language != null ? language.hashCode() : 0);
  result=31 * result + statusesCount;
  result=31 * result + friendsCount;
  result=31 * result + followersCount;
  result=31 * result + favoritesCount;
  result=31 * result + listedCount;
  result=31 * result + (following ? 1 : 0);
  result=31 * result + (followRequestSent ? 1 : 0);
  result=31 * result + (isProtected ? 1 : 0);
  result=31 * result + (notificationsEnabled ? 1 : 0);
  result=31 * result + (verified ? 1 : 0);
  result=31 * result + (geoEnabled ? 1 : 0);
  result=31 * result + (contributorsEnabled ? 1 : 0);
  result=31 * result + (translator ? 1 : 0);
  result=31 * result + (timeZone != null ? timeZone.hashCode() : 0);
  result=31 * result + utcOffset;
  result=31 * result + (sidebarBorderColor != null ? sidebarBorderColor.hashCode() : 0);
  result=31 * result + (sidebarFillColor != null ? sidebarFillColor.hashCode() : 0);
  result=31 * result + (backgroundColor != null ? backgroundColor.hashCode() : 0);
  result=31 * result + (useBackgroundImage ? 1 : 0);
  result=31 * result + (backgroundImageUrl != null ? backgroundImageUrl.hashCode() : 0);
  result=31 * result + (backgroundImageTiled ? 1 : 0);
  result=31 * result + (textColor != null ? textColor.hashCode() : 0);
  result=31 * result + (linkColor != null ? linkColor.hashCode() : 0);
  result=31 * result + (showAllInlineMedia ? 1 : 0);
  return result;
}