Program: 95840
Project: 95840
Buggy source:
/** 
 * {@inheritDoc}
 */
protected void extendOptions(Options options,boolean req){
  options.addOption(createOption(ClientTestStrings.SERVER,false,ClientTestStrings.HOSTNAME,Messages.ClientServerOpt,req));
  options.addOption(createOption(ClientTestStrings.PORT,false,ClientTestStrings.PORT_NUMBER,Messages.ClientPortOpt,req));
  options.addOption(createOption(ClientTestStrings.PROJECT,true,ClientTestStrings.PROJECT_NAME,Messages.ClientProjectOpt,req));
  options.addOption(createOption(ClientTestStrings.PROJECT_VERSION,true,ClientTestStrings.PROJECT_VERSION_EX,Messages.ClientProjectVersionOpt,req));
  options.addOption(createOption(ClientTestStrings.LANGUAGE,true,ClientTestStrings.LANGUAGE,Messages.ClientLanguageOpt,req));
  options.addOption(createOption(ClientTestStrings.RESULTDIR,true,ClientTestStrings.RESULTDIR,Messages.ClientResultdirOpt,req));
  OptionGroup autOptionGroup=new OptionGroup();
  autOptionGroup.setRequired(false);
  autOptionGroup.addOption(createOption(ClientTestStrings.AUT_CONFIG,true,ClientTestStrings.AUT_CONFIG,Messages.ClientAutconfigOpt,req));
  autOptionGroup.addOption(createOption(ClientTestStrings.AUT_ID,true,ClientTestStrings.AUT_ID,Messages.ClientAutIdOpt,req));
  options.addOptionGroup(autOptionGroup);
  OptionGroup testExecutionGroup=new OptionGroup();
  testExecutionGroup.setRequired(req);
  testExecutionGroup.addOption(createOption(ClientTestStrings.TESTJOB,true,ClientTestStrings.TESTJOB,Messages.ClientTestJobOpt,req));
  testExecutionGroup.addOption(createOption(ClientTestStrings.TESTSUITE,true,ClientTestStrings.TESTSUITE,Messages.ClientTestSuiteOpt,req));
  options.addOptionGroup(testExecutionGroup);
  options.addOption(createOption(ClientTestStrings.DATA_DIR,true,ClientTestStrings.DATA_DIR_EX,Messages.ClientDataFile,req));
  options.addOption(createOption(ClientStrings.NORUN,false,StringConstants.EMPTY,Messages.ClientNoRunOpt,false));
  options.addOption(createOption(ClientTestStrings.AUTO_SCREENSHOT,false,StringConstants.EMPTY,Messages.ClientAutoScreenshot,false));
  options.addOption(createOption(ClientTestStrings.NO_XML_SCREENSHOT,false,StringConstants.EMPTY,Messages.ClientNoXmlScreenshot,false));
  options.addOption(createOption(ClientTestStrings.TEST_EXECUTION_RELEVANT,false,StringConstants.EMPTY,Messages.ClientRelevantFlag,false));
  options.addOption(createOption(ClientTestStrings.TIMEOUT,true,ClientTestStrings.TIMEOUT,Messages.ClientTimeout,false));
  options.addOption(createOption(ClientTestStrings.STARTSERVER,true,ClientTestStrings.PORT_NUMBER,Messages.ClientStartServerOpt,false));
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
protected void extendOptions(Options options,boolean req){
  options.addOption(createOption(ClientTestStrings.SERVER,true,ClientTestStrings.HOSTNAME,Messages.ClientServerOpt,false));
  options.addOption(createOption(ClientTestStrings.PORT,true,ClientTestStrings.PORT_NUMBER,Messages.ClientPortOpt,false));
  options.addOption(createOption(ClientTestStrings.PROJECT,true,ClientTestStrings.PROJECT_NAME,Messages.ClientProjectOpt,req));
  options.addOption(createOption(ClientTestStrings.PROJECT_VERSION,true,ClientTestStrings.PROJECT_VERSION_EX,Messages.ClientProjectVersionOpt,req));
  options.addOption(createOption(ClientTestStrings.LANGUAGE,true,ClientTestStrings.LANGUAGE,Messages.ClientLanguageOpt,req));
  options.addOption(createOption(ClientTestStrings.RESULTDIR,true,ClientTestStrings.RESULTDIR,Messages.ClientResultdirOpt,req));
  OptionGroup autOptionGroup=new OptionGroup();
  autOptionGroup.setRequired(false);
  autOptionGroup.addOption(createOption(ClientTestStrings.AUT_CONFIG,true,ClientTestStrings.AUT_CONFIG,Messages.ClientAutconfigOpt,req));
  autOptionGroup.addOption(createOption(ClientTestStrings.AUT_ID,true,ClientTestStrings.AUT_ID,Messages.ClientAutIdOpt,req));
  options.addOptionGroup(autOptionGroup);
  OptionGroup testExecutionGroup=new OptionGroup();
  testExecutionGroup.setRequired(req);
  testExecutionGroup.addOption(createOption(ClientTestStrings.TESTJOB,true,ClientTestStrings.TESTJOB,Messages.ClientTestJobOpt,req));
  testExecutionGroup.addOption(createOption(ClientTestStrings.TESTSUITE,true,ClientTestStrings.TESTSUITE,Messages.ClientTestSuiteOpt,req));
  options.addOptionGroup(testExecutionGroup);
  options.addOption(createOption(ClientTestStrings.DATA_DIR,true,ClientTestStrings.DATA_DIR_EX,Messages.ClientDataFile,req));
  options.addOption(createOption(ClientStrings.NORUN,false,StringConstants.EMPTY,Messages.ClientNoRunOpt,false));
  options.addOption(createOption(ClientTestStrings.AUTO_SCREENSHOT,false,StringConstants.EMPTY,Messages.ClientAutoScreenshot,false));
  options.addOption(createOption(ClientTestStrings.NO_XML_SCREENSHOT,false,StringConstants.EMPTY,Messages.ClientNoXmlScreenshot,false));
  options.addOption(createOption(ClientTestStrings.TEST_EXECUTION_RELEVANT,false,StringConstants.EMPTY,Messages.ClientRelevantFlag,false));
  options.addOption(createOption(ClientTestStrings.TIMEOUT,true,ClientTestStrings.TIMEOUT,Messages.ClientTimeout,false));
  options.addOption(createOption(ClientTestStrings.STARTSERVER,true,ClientTestStrings.PORT_NUMBER,Messages.ClientStartServerOpt,false));
}