Program: 70912
Project: 70912
Buggy source:
private void setInputProbe(){
  ArrayList<String> variableNames=new ArrayList<String>();
  ArrayList<Integer> variableDims=new ArrayList<Integer>();
  for (  Map.Entry<String,NumericProbeVariable> entry : myVariables.entrySet()) {
    variableNames.add(entry.getKey());
    variableDims.add(entry.getValue().getDimension());
    System.out.println(entry.getKey() + "String_Node_Str" + entry.getValue());
  }
  int[] varDimsInt=new int[variableDims.size()];
  for (int i=0; i < variableDims.size(); i++) {
    varDimsInt[i]=variableDims.get(i);
  }
  NumericInputProbe probeToSet;
  if (oldProbe == null) {
    ModelComponent refComp=ComponentUtils.getPropertyComponent(myProperties.get(0));
    probeToSet=new NumericInputProbe(refComp);
  }
 else {
    probeToSet=oldProbe;
  }
  probeToSet.set(myProperties.toArray(new Property[0]),getDriverExpressions(),variableNames.toArray(new String[0]),varDimsInt);
  probeToSet.setStartTime(startTimeField.getDoubleValue());
  probeToSet.setStopTime(endTimeField.getDoubleValue());
  probeToSet.setScale(scaleField.getDoubleValue());
  probeToSet.setName(probeNameField.getStringValue());
  String attachedFilePath=attachedFileField.getStringValue();
  if (attachedFilePath != null) {
    if (attachedFilePath.equals("String_Node_Str") || !attachedInputFileValid(attachedFilePath)) {
      attachedFilePath=null;
    }
  }
  if (attachedFilePath != null) {
    probeToSet.setAttachedFileName(attachedFilePath);
    try {
      probeToSet.load();
      ((Displayable)probeToSet).updateDisplays();
    }
 catch (    IOException e) {
      System.err.println("String_Node_Str");
      e.printStackTrace();
      probeToSet.setAttachedFileName(null);
    }
  }
 else {
    probeToSet.setAttachedFileName(null);
    if (probeToSet.getNumericList().isEmpty()) {
      if (probeToSet.isSettable()) {
        probeToSet.setData(probeToSet.getStartTime());
        probeToSet.setData(probeToSet.getStopTime());
      }
 else {
        probeToSet.loadEmpty();
      }
    }
  }
  if (oldProbe == null) {
    AddComponentsCommand cmd=new AddComponentsCommand("String_Node_Str",probeToSet,myMain.getRootModel().getInputProbes());
    myMain.getUndoManager().saveStateAndExecute(cmd);
  }
}

Fixed version (ground truth):
private void setInputProbe(){
  ArrayList<String> variableNames=new ArrayList<String>();
  ArrayList<Integer> variableDims=new ArrayList<Integer>();
  for (  Map.Entry<String,NumericProbeVariable> entry : myVariables.entrySet()) {
    variableNames.add(entry.getKey());
    variableDims.add(entry.getValue().getDimension());
    System.out.println(entry.getKey() + "String_Node_Str" + entry.getValue());
  }
  int[] varDimsInt=new int[variableDims.size()];
  for (int i=0; i < variableDims.size(); i++) {
    varDimsInt[i]=variableDims.get(i);
  }
  NumericInputProbe probeToSet;
  if (oldProbe == null) {
    ModelComponent refComp=ComponentUtils.getPropertyComponent(myProperties.get(0));
    probeToSet=new NumericInputProbe(refComp);
  }
 else {
    probeToSet=oldProbe;
  }
  probeToSet.set(myProperties.toArray(new Property[0]),getDriverExpressions(),variableNames.toArray(new String[0]),varDimsInt);
  probeToSet.setStartTime(startTimeField.getDoubleValue());
  probeToSet.setStopTime(endTimeField.getDoubleValue());
  probeToSet.setScale(scaleField.getDoubleValue());
  probeToSet.setName(probeNameField.getStringValue());
  String attachedFilePath=attachedFileField.getStringValue();
  if (attachedFilePath != null) {
    if (attachedFilePath.equals("String_Node_Str") || !attachedInputFileValid(attachedFilePath,null)) {
      attachedFilePath=null;
    }
  }
  if (attachedFilePath != null) {
    probeToSet.setAttachedFileName(attachedFilePath);
    try {
      probeToSet.load();
      ((Displayable)probeToSet).updateDisplays();
    }
 catch (    IOException e) {
      System.err.println("String_Node_Str");
      e.printStackTrace();
      probeToSet.setAttachedFileName(null);
    }
  }
 else {
    probeToSet.setAttachedFileName(null);
    if (probeToSet.getNumericList().isEmpty()) {
      if (probeToSet.isSettable()) {
        probeToSet.setData(probeToSet.getStartTime());
        probeToSet.setData(probeToSet.getStopTime());
      }
 else {
        probeToSet.loadEmpty();
      }
    }
  }
  if (oldProbe == null) {
    AddComponentsCommand cmd=new AddComponentsCommand("String_Node_Str",probeToSet,myMain.getRootModel().getInputProbes());
    myMain.getUndoManager().saveStateAndExecute(cmd);
  }
}