Program: 84653
Project: 84653
Buggy source:
public void onGesturePerformed(GestureOverlayView overlay,Gesture gesture){
  ArrayList<Prediction> predictions=mLibrary.recognize(gesture);
  boolean isItLightning=false;
  if (GestureDefence.this.getEngine().getScene() == GestureDefence.this.sm.GameScreen) {
    int i=0;
    boolean something=true;
    while (something) {
      try {
        final float x1=gesture.getStrokes().get(0).points[i];
        final float y1=gesture.getStrokes().get(0).points[i + 1];
        final float x2=gesture.getStrokes().get(0).points[i + 2];
        final float y2=gesture.getStrokes().get(0).points[i + 3];
        final Line line=new Line(x1,y1,x2,y2,5);
        GestureDefence.this.getEngine().getScene().getChild(4).attachChild(line);
        i+=2;
      }
 catch (      Throwable e) {
        something=false;
      }
    }
    TimerHandler DrawnGestureThing;
    GestureDefence.this.sm.GameScreen.registerUpdateHandler(DrawnGestureThing=new TimerHandler(1,true,new ITimerCallback(){
      @Override public void onTimePassed(      final TimerHandler pTimerHandler){
        GestureDefence.this.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
        GestureDefence.this.sm.GameScreen.getChild(4).detachChildren();
      }
    }
));
    if (predictions.size() > 0) {
      if (predictions.get(0).score > 1.0) {
        String action=predictions.get(0).name;
        RectF GestureCheck=gesture.getBoundingBox();
        if (GestureCheck.left < GestureCheck.right) {
          if (GestureCheck.right - GestureCheck.left < 200)           isItLightning=true;
        }
 else         if (GestureCheck.right < GestureCheck.left)         if (GestureCheck.left - GestureCheck.right < 200)         isItLightning=true;
        if (isItLightning) {
          if (predictions.get(0).name == "String_Node_Str")           action=predictions.get(0).name;
        }
 else {
          for (int blah=0; blah < predictions.size() - 1; blah++) {
            if (predictions.get(blah).name == "String_Node_Str") {
              action=predictions.get(blah).name;
              blah=predictions.size();
            }
          }
        }
        if ("String_Node_Str".equals(action)) {
          if ((GestureDefence.this.mana - 1000) >= 0) {
            GestureDefence.this.mana-=1000;
            GestureDefence.this.lightningStrike.play();
            RectF tempThing=gesture.getBoundingBox();
            float posX;
            float posY;
            float lightningPosX;
            float lightningPosY;
            if (tempThing.left < tempThing.right) {
              posX=tempThing.left;
              lightningPosX=posX + ((tempThing.right - tempThing.left) / 2);
            }
 else {
              posX=tempThing.right;
              lightningPosX=posX + ((tempThing.left - tempThing.left) / 2);
            }
            if (tempThing.bottom > tempThing.top) {
              posY=tempThing.bottom - 330;
              lightningPosY=tempThing.bottom;
            }
 else {
              posY=tempThing.top - 330;
              lightningPosY=tempThing.top;
            }
            lightning=new AnimatedSprite(posX,posY,GestureDefence.this.mLightningTextureRegion.deepCopy());
            lightning.animate(new long[]{50,50,50,50,50,50},new int[]{0,1,2,3,4,5},0);
            GestureDefence.this.sm.GameScreen.attachChild(lightning);
            GestureDefence.this.mLightningBoltX=lightningPosX;
            GestureDefence.this.mLightningBoltY=lightningPosY;
            GestureDefence.this.mLightningBolt=true;
            GestureDefence.this.CustomHUD.updateManaValue();
          }
        }
 else         if ("String_Node_Str".equals(action)) {
          if (mEarthQuaking == false && ((GestureDefence.this.mana - 500) >= 0)) {
            GestureDefence.this.mEarthquake=true;
            GestureDefence.this.handler.post(new Runnable(){
              public void run(){
                CustomNotifications.addNotification("String_Node_Str");
              }
            }
);
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
public void onGesturePerformed(GestureOverlayView overlay,Gesture gesture){
  ArrayList<Prediction> predictions=mLibrary.recognize(gesture);
  boolean isItLightning=false;
  if (GestureDefence.this.getEngine().getScene() == GestureDefence.this.sm.GameScreen) {
    int i=0;
    boolean something=true;
    while (something) {
      try {
        final float x1=gesture.getStrokes().get(0).points[i];
        final float y1=gesture.getStrokes().get(0).points[i + 1];
        final float x2=gesture.getStrokes().get(0).points[i + 2];
        final float y2=gesture.getStrokes().get(0).points[i + 3];
        final Line tempLine=new Line(x1,y1,x2,y2,5);
        GestureDefence.this.line.add(tempLine);
        GestureDefence.this.sm.GameScreen.attachChild(tempLine);
        i+=2;
      }
 catch (      Throwable e) {
        something=false;
      }
    }
    GestureDefence.this.sm.GameScreen.registerUpdateHandler(new TimerHandler(1,false,new ITimerCallback(){
      @Override public void onTimePassed(      final TimerHandler pTimerHandler){
        for (int i=(GestureDefence.this.line.size() - 1); i >= 0; i--) {
          final Line tempLine=GestureDefence.this.line.get(i);
          GestureDefence.this.sm.GameScreen.detachChild(tempLine);
        }
        GestureDefence.this.line.clear();
        GestureDefence.this.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
      }
    }
));
    if (predictions.size() > 0) {
      if (predictions.get(0).score > 1.0) {
        String action=predictions.get(0).name;
        RectF GestureCheck=gesture.getBoundingBox();
        if (GestureCheck.left < GestureCheck.right) {
          if (GestureCheck.right - GestureCheck.left < 200)           isItLightning=true;
        }
 else         if (GestureCheck.right < GestureCheck.left)         if (GestureCheck.left - GestureCheck.right < 200)         isItLightning=true;
        if (isItLightning) {
          if (predictions.get(0).name == "String_Node_Str")           action=predictions.get(0).name;
        }
 else {
          for (int blah=0; blah < predictions.size() - 1; blah++) {
            if (predictions.get(blah).name == "String_Node_Str") {
              action=predictions.get(blah).name;
              blah=predictions.size();
            }
          }
        }
        if ("String_Node_Str".equals(action)) {
          if ((GestureDefence.this.mana - 1000) >= 0) {
            GestureDefence.this.mana-=1000;
            GestureDefence.this.lightningStrike.play();
            RectF tempThing=gesture.getBoundingBox();
            float posX;
            float posY;
            float lightningPosX;
            float lightningPosY;
            if (tempThing.left < tempThing.right) {
              posX=tempThing.left;
              lightningPosX=posX + ((tempThing.right - tempThing.left) / 2);
            }
 else {
              posX=tempThing.right;
              lightningPosX=posX + ((tempThing.left - tempThing.left) / 2);
            }
            if (tempThing.bottom > tempThing.top) {
              posY=tempThing.bottom - 330;
              lightningPosY=tempThing.bottom;
            }
 else {
              posY=tempThing.top - 330;
              lightningPosY=tempThing.top;
            }
            lightning=new AnimatedSprite(posX,posY,GestureDefence.this.mLightningTextureRegion.deepCopy());
            lightning.animate(new long[]{50,50,50,50,50,50},new int[]{0,1,2,3,4,5},0);
            GestureDefence.this.sm.GameScreen.attachChild(lightning);
            GestureDefence.this.mLightningBoltX=lightningPosX;
            GestureDefence.this.mLightningBoltY=lightningPosY;
            GestureDefence.this.mLightningBolt=true;
            GestureDefence.this.CustomHUD.updateManaValue();
          }
        }
 else         if ("String_Node_Str".equals(action)) {
          if (mEarthQuaking == false && ((GestureDefence.this.mana - 500) >= 0)) {
            GestureDefence.this.mEarthquake=true;
            GestureDefence.this.handler.post(new Runnable(){
              public void run(){
                CustomNotifications.addNotification("String_Node_Str");
              }
            }
);
          }
        }
      }
    }
  }
}