Program: 43904
Project: 43904
Buggy source:
@SuppressWarnings("String_Node_Str") @Override public void execute(CLContext ctx,CLQueue q){
  CLEvent[] eventsArr=new CLEvent[1];
  int[] rs;
  boolean reuseControlBuffers=false;
  int workUnits=prepareReadBuffers(strategy.getStart(),strategy.getEnd(),strategy.getTop(),strategy.getBottom(),NUM_WORKERS);
  copyRangeBuffers(ctx);
  pbuffer=BufferHelper.createOutputBufferFor(ctx,strategy.getStart().getClass().getSimpleName(),NUM_WORKERS);
  rbuffer=(CLBuffer<Integer>)BufferHelper.createOutputBufferFor(ctx,"String_Node_Str",NUM_WORKERS);
  abuffer=BufferHelper.createOutputBufferFor(ctx,strategy.getSeed().getClass().getSimpleName(),NUM_WORKERS);
  int global_counter=0;
  do {
synchronized (kernel) {
      if (is2D) {
      }
 else {
        int reuse_steps=reuseControlBuffers ? 1 : 0;
        kernel.setArgs(sbuffer,ebuffer,abuffer,rbuffer,starts.size(),global_counter++,reuse_steps,pbuffer);
      }
      setExtraDataArgs(7,kernel);
      eventsArr[0]=kernel.enqueueNDRange(q,new int[]{NUM_WORKERS},eventsArr);
    }
    reuseControlBuffers=true;
    rs=rbuffer.read(q,eventsArr[0]).getInts();
    for (int i=0; i < workUnits; i++) {
      if (rs[i] == 2) {
        reuseControlBuffers=false;
        break;
      }
    }
    if (reuseControlBuffers) {
      if (System.getenv("String_Node_Str") != null) {
        R stepXprobe=(R)BufferHelper.extractElementFromBuffer(pbuffer,q,eventsArr[0],strategy.getStart().getClass().getSimpleName());
        System.out.println("String_Node_Str" + stepXprobe + "String_Node_Str"+ rs[0]);
      }
      continue;
    }
    filterAndSplitFirst(workUnits,rs);
    copyRangeBuffers(ctx);
    workUnits=starts.size();
  }
 while (!isDone);
  rbuffer.release();
  PList<T> accs=(PList<T>)BufferHelper.extractFromBuffer(abuffer,q,eventsArr[0],strategy.getSeed().getClass().getSimpleName(),workUnits);
  output=strategy.getSeed();
  for (  T acc : accs) {
    output=strategy.combine(output,acc);
  }
  abuffer.release();
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") @Override public void execute(CLContext ctx,CLQueue q){
  CLEvent[] eventsArr=new CLEvent[1];
  int[] rs;
  boolean reuseControlBuffers=false;
  int workUnits=prepareReadBuffers(strategy.getStart(),strategy.getEnd(),strategy.getTop(),strategy.getBottom(),NUM_WORKERS);
  copyRangeBuffers(ctx);
  pbuffer=BufferHelper.createOutputBufferFor(ctx,strategy.getStart().getClass().getSimpleName(),NUM_WORKERS);
  rbuffer=(CLBuffer<Integer>)BufferHelper.createOutputBufferFor(ctx,"String_Node_Str",NUM_WORKERS);
  abuffer=BufferHelper.createOutputBufferFor(ctx,strategy.getSeed().getClass().getSimpleName(),NUM_WORKERS);
  int global_counter=0;
  do {
synchronized (kernel) {
      if (is2D) {
      }
 else {
        int reuse_steps=reuseControlBuffers ? 1 : 0;
        kernel.setArgs(sbuffer,ebuffer,abuffer,rbuffer,starts.size(),global_counter++,reuse_steps,pbuffer);
      }
      setExtraDataArgs(7,kernel);
      eventsArr[0]=kernel.enqueueNDRange(q,new int[]{NUM_WORKERS},eventsArr);
    }
    reuseControlBuffers=true;
    rs=rbuffer.read(q,eventsArr[0]).getInts();
    for (int i=0; i < workUnits; i++) {
      if (rs[i] == 2) {
        reuseControlBuffers=false;
        break;
      }
    }
    if (reuseControlBuffers) {
      if (System.getenv("String_Node_Str") != null) {
        R stepXprobe=(R)BufferHelper.extractElementFromBuffer(pbuffer,q,eventsArr[0],strategy.getStart().getClass().getSimpleName());
        System.out.println("String_Node_Str" + stepXprobe + "String_Node_Str"+ rs[0]);
      }
      continue;
    }
    filterAndSplitFirst(workUnits,rs);
    copyRangeBuffers(ctx);
    workUnits=starts.size();
  }
 while (!isDone);
  rbuffer.release();
  PList<T> accs=(PList<T>)BufferHelper.extractFromBuffer(abuffer,q,eventsArr[0],strategy.getSeed().getClass().getSimpleName(),NUM_WORKERS);
  output=strategy.getSeed();
  for (  T acc : accs) {
    output=strategy.combine(output,acc);
  }
  abuffer.release();
}