Program: 6708
Project: 6708
Buggy source:
/** 
 * Fix all the possible inconsistent states for RunRecords that shows it is in RUNNING state but actually not via check to   {@link ProgramRuntimeService} for a type of CDAP program.
 * @param programType The type of program the run records need to validate and update.
 * @param processedInvalidRunRecordIds the {@link Set} of processed invalid run record ids.
 */
void validateAndCorrectRunningRunRecords(final ProgramType programType,Set<String> processedInvalidRunRecordIds){
  final Map<RunId,RuntimeInfo> runIdToRuntimeInfo=runtimeService.list(programType);
  List<RunRecordMeta> invalidRunRecords=store.getRuns(ProgramRunStatus.RUNNING,new Predicate<RunRecordMeta>(){
    @Override public boolean apply(    @Nullable RunRecordMeta input){
      if (input == null) {
        return false;
      }
      String runId=input.getPid();
      Id.Program targetProgramId=retrieveProgramIdForRunRecord(programType,runId);
      return (targetProgramId != null) && !runIdToRuntimeInfo.containsKey(RunIds.fromString(runId));
    }
  }
);
  if (!invalidRunRecords.isEmpty()) {
    LOG.warn("String_Node_Str",invalidRunRecords.size(),programType.getPrettyName());
  }
  for (  RunRecordMeta invalidRunRecordMeta : invalidRunRecords) {
    String runId=invalidRunRecordMeta.getPid();
    Id.Program targetProgramId=retrieveProgramIdForRunRecord(programType,runId);
    boolean shouldCorrect=shouldCorrectForWorkflowChildren(invalidRunRecordMeta,processedInvalidRunRecordIds);
    if (!shouldCorrect) {
      continue;
    }
    LOG.warn("String_Node_Str",runId,targetProgramId,programType.getPrettyName());
    store.compareAndSetStatus(targetProgramId,runId,ProgramController.State.ALIVE.getRunStatus(),ProgramController.State.ERROR.getRunStatus());
    processedInvalidRunRecordIds.add(runId);
  }
}

Fixed version (ground truth):
/** 
 * Fix all the possible inconsistent states for RunRecords that shows it is in RUNNING state but actually not via check to   {@link ProgramRuntimeService} for a type of CDAP program.
 * @param programType The type of program the run records need to validate and update.
 * @param processedInvalidRunRecordIds the {@link Set} of processed invalid run record ids.
 */
void validateAndCorrectRunningRunRecords(final ProgramType programType,Set<String> processedInvalidRunRecordIds){
  final Map<RunId,RuntimeInfo> runIdToRuntimeInfo=runtimeService.list(programType);
  LOG.trace("String_Node_Str");
  List<RunRecordMeta> notActuallyRunning=store.getRuns(ProgramRunStatus.RUNNING,new Predicate<RunRecordMeta>(){
    @Override public boolean apply(    RunRecordMeta input){
      String runId=input.getPid();
      return !runIdToRuntimeInfo.containsKey(RunIds.fromString(runId));
    }
  }
);
  LOG.trace("String_Node_Str",notActuallyRunning.size());
  final Map<String,Id.Program> runIdToProgramId=new HashMap<>();
  LOG.trace("String_Node_Str");
  Collection<RunRecordMeta> invalidRunRecords=Collections2.filter(notActuallyRunning,new Predicate<RunRecordMeta>(){
    @Override public boolean apply(    RunRecordMeta input){
      String runId=input.getPid();
      Id.Program targetProgramId=retrieveProgramIdForRunRecord(programType,runId);
      if (targetProgramId != null) {
        runIdToProgramId.put(runId,targetProgramId);
        return true;
      }
 else {
        return false;
      }
    }
  }
);
  LOG.trace("String_Node_Str");
  if (!invalidRunRecords.isEmpty()) {
    LOG.warn("String_Node_Str",invalidRunRecords.size(),programType.getPrettyName());
  }
 else {
    LOG.trace("String_Node_Str",programType.getPrettyName());
  }
  for (  RunRecordMeta invalidRunRecordMeta : invalidRunRecords) {
    boolean shouldCorrect=shouldCorrectForWorkflowChildren(invalidRunRecordMeta,processedInvalidRunRecordIds);
    if (!shouldCorrect) {
      LOG.trace("String_Node_Str",invalidRunRecordMeta);
      continue;
    }
    String runId=invalidRunRecordMeta.getPid();
    Id.Program targetProgramId=runIdToProgramId.get(runId);
    LOG.warn("String_Node_Str",runId,targetProgramId,programType.getPrettyName());
    store.compareAndSetStatus(targetProgramId,runId,ProgramController.State.ALIVE.getRunStatus(),ProgramController.State.ERROR.getRunStatus());
    processedInvalidRunRecordIds.add(runId);
  }
}