Program: 42834
Project: 42834
Buggy source:
private synchronized static boolean hasChanged(DataSourceProvider current,Context optContext){
  if (current == null) {
    return true;
  }
  if (optContext == null) {
    return true;
  }
  String agencyProviderMetaData=getAgencyProviderMetaData(optContext);
  String scheduleProviderMetaData=getScheduleProviderMetaData(optContext);
  String statusProviderMetaData=getStatusProviderMetaData(optContext);
  String serviceUpdateProviderMetaData=getServiceUpdateProviderMetaData(optContext);
  String newsProviderMetaData=getNewsProviderMetaData(optContext);
  int nbAgencyProviders=0, nbScheduleProviders=0, nbStatusProviders=0, nbServiceUpdateProviders=0, nbNewsProviders=0;
  PackageManager pm=optContext.getPackageManager();
  for (  PackageInfo packageInfo : pm.getInstalledPackages(PackageManager.GET_PROVIDERS | PackageManager.GET_META_DATA)) {
    ProviderInfo[] providers=packageInfo.providers;
    if (providers != null) {
      for (      ProviderInfo provider : providers) {
        if (provider.metaData != null) {
          if (agencyProviderMetaData.equals(provider.metaData.getString(agencyProviderMetaData))) {
            if (!instance.hasAgency(provider.authority)) {
              return true;
            }
            nbAgencyProviders++;
          }
          if (statusProviderMetaData.equals(provider.metaData.getString(statusProviderMetaData))) {
            if (instance.getStatusProvider(provider.authority) == null) {
              return true;
            }
            nbStatusProviders++;
          }
          if (scheduleProviderMetaData.equals(provider.metaData.getString(scheduleProviderMetaData))) {
            if (instance.getScheduleProvider(provider.authority) == null) {
              return true;
            }
            nbScheduleProviders++;
          }
          if (serviceUpdateProviderMetaData.equals(provider.metaData.getString(serviceUpdateProviderMetaData))) {
            if (instance.getServiceUpdateProvider(provider.authority) == null) {
              return true;
            }
            nbServiceUpdateProviders++;
          }
          if (newsProviderMetaData.equals(provider.metaData.getString(newsProviderMetaData))) {
            if (instance.getServiceUpdateProvider(provider.authority) == null) {
              return true;
            }
            nbNewsProviders++;
          }
        }
      }
    }
  }
  if (nbAgencyProviders != CollectionUtils.getSize(instance.allAgenciesAuthority) || nbStatusProviders != CollectionUtils.getSize(instance.allStatusProviders) || nbScheduleProviders != CollectionUtils.getSize(instance.allScheduleProviders) || nbServiceUpdateProviders != CollectionUtils.getSize(instance.allServiceUpdateProviders) || nbNewsProviders != CollectionUtils.getSize(instance.allNewsProviders)) {
    return true;
  }
  return false;
}

Fixed version (ground truth):
private synchronized static boolean hasChanged(DataSourceProvider current,Context optContext){
  if (current == null) {
    return true;
  }
  if (optContext == null) {
    return true;
  }
  String agencyProviderMetaData=getAgencyProviderMetaData(optContext);
  String scheduleProviderMetaData=getScheduleProviderMetaData(optContext);
  String statusProviderMetaData=getStatusProviderMetaData(optContext);
  String serviceUpdateProviderMetaData=getServiceUpdateProviderMetaData(optContext);
  String newsProviderMetaData=getNewsProviderMetaData(optContext);
  int nbAgencyProviders=0, nbScheduleProviders=0, nbStatusProviders=0, nbServiceUpdateProviders=0, nbNewsProviders=0;
  PackageManager pm=optContext.getPackageManager();
  for (  PackageInfo packageInfo : pm.getInstalledPackages(PackageManager.GET_PROVIDERS | PackageManager.GET_META_DATA)) {
    ProviderInfo[] providers=packageInfo.providers;
    if (providers != null) {
      for (      ProviderInfo provider : providers) {
        if (provider.metaData != null) {
          if (agencyProviderMetaData.equals(provider.metaData.getString(agencyProviderMetaData))) {
            if (!instance.hasAgency(provider.authority)) {
              return true;
            }
            nbAgencyProviders++;
          }
          if (statusProviderMetaData.equals(provider.metaData.getString(statusProviderMetaData))) {
            if (instance.getStatusProvider(provider.authority) == null) {
              return true;
            }
            nbStatusProviders++;
          }
          if (scheduleProviderMetaData.equals(provider.metaData.getString(scheduleProviderMetaData))) {
            if (instance.getScheduleProvider(provider.authority) == null) {
              return true;
            }
            nbScheduleProviders++;
          }
          if (serviceUpdateProviderMetaData.equals(provider.metaData.getString(serviceUpdateProviderMetaData))) {
            if (instance.getServiceUpdateProvider(provider.authority) == null) {
              return true;
            }
            nbServiceUpdateProviders++;
          }
          if (newsProviderMetaData.equals(provider.metaData.getString(newsProviderMetaData))) {
            if (instance.getNewsProvider(provider.authority) == null) {
              return true;
            }
            nbNewsProviders++;
          }
        }
      }
    }
  }
  if (nbAgencyProviders != CollectionUtils.getSize(instance.allAgenciesAuthority) || nbStatusProviders != CollectionUtils.getSize(instance.allStatusProviders) || nbScheduleProviders != CollectionUtils.getSize(instance.allScheduleProviders) || nbServiceUpdateProviders != CollectionUtils.getSize(instance.allServiceUpdateProviders) || nbNewsProviders != CollectionUtils.getSize(instance.allNewsProviders)) {
    return true;
  }
  return false;
}