Program: 19977
Project: 19977
Buggy source:
public boolean onTouch(View v,MotionEvent event){
  action=event.getAction();
  if (event.getPointerCount() > 1) {
    actionCode=action & MotionEvent.ACTION_MASK;
    action=event.getAction();
    for (int i=0; i < event.getPointerCount(); i++) {
      if (i == 0) {
        xClickOffsetFirstTouch=(int)event.getX(i) - screenWidth / 2;
        yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY(i);
        if (!Joystick.joystickInUse && Joystick.joystickDown && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
          Joystick.joystickInUse=true;
        }
 else         if (Joystick.joystickInUse) {
          Joystick.useJoystick(xClickOffsetFirstTouch,yClickOffsetFirstTouch,(int)event.getX(),(int)event.getY(),wrapper);
          if (Utility.getDistance((float)xClickOffsetFirstTouch,(float)yClickOffsetFirstTouch,(float)joystickX,(float)joystickY) > JOYSTICK_TRESHOLD) {
            Joystick.joystickDown=false;
            Joystick.joystickInUse=false;
            wrapper.player.movementAcceleration=-6;
          }
        }
      }
      if (i == 1) {
        xClickOffsetSecondTouch=(int)event.getX(i) - screenWidth / 2;
        yClickOffsetSecondTouch=screenHeight / 2 - (int)event.getY(i);
      }
    }
    if (actionCode == MotionEvent.ACTION_POINTER_DOWN) {
      weaponManager.triggerPlayerShoot(xClickOffsetSecondTouch,yClickOffsetSecondTouch);
    }
    if (actionCode == MotionEvent.ACTION_POINTER_UP) {
      Log.d("String_Node_Str","String_Node_Str");
    }
  }
 else {
    xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
    yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
      xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
      yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
      if (xClickOffsetFirstTouch > screenWidth - 100 * Options.scaleX && xClickOffsetFirstTouch < screenWidth && yClickOffsetFirstTouch < yClickFirstBorder) {
        if (yClickOffsetFirstTouch < yClickThirdBorder && yClickOffsetFirstTouch > 0) {
          hud.triggerClick(Hud.BUTTON_3);
        }
 else         if (yClickOffsetFirstTouch < yClickSecondBorder && yClickOffsetFirstTouch > yClickThirdBorder) {
          hud.triggerClick(Hud.BUTTON_2);
        }
 else         if (yClickOffsetFirstTouch < yClickFirstBorder && yClickOffsetFirstTouch > yClickSecondBorder) {
          hud.triggerClick(Hud.BUTTON_1);
        }
      }
      if (joystickX != 0 && joystickY != 0 && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
        Joystick.joystickDown=true;
      }
 else {
        weaponManager.triggerPlayerShoot(event.getX() - screenWidth / 2,-((-screenHeight / 2) + event.getY()));
      }
    }
    if (event.getAction() == MotionEvent.ACTION_MOVE) {
      xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
      yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
      if (weaponManager.isUsingMotionEvents) {
        if (pointerCount < 10) {
          if (Math.abs(touchPath[pointerCount - 1][0] - xClickOffsetFirstTouch) >= 8 || Math.abs(touchPath[pointerCount - 1][1] - yClickOffsetFirstTouch) >= 8) {
            setPathPoint(xClickOffsetFirstTouch,yClickOffsetFirstTouch,pointerCount);
            pointerCount++;
          }
        }
      }
      if (!Joystick.joystickInUse && Joystick.joystickDown && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
        Joystick.joystickInUse=true;
      }
 else       if (Joystick.joystickInUse) {
        Joystick.useJoystick(xClickOffsetFirstTouch,yClickOffsetFirstTouch,(int)event.getX(),(int)event.getY(),wrapper);
        if (Utility.getDistance((float)xClickOffsetFirstTouch,(float)yClickOffsetFirstTouch,(float)joystickX,(float)joystickY) > JOYSTICK_TRESHOLD) {
          Joystick.joystickDown=false;
          Joystick.joystickInUse=false;
        }
      }
    }
    if (event.getAction() == MotionEvent.ACTION_UP) {
      Joystick.joystickInUse=false;
      Joystick.joystickDown=false;
      wrapper.player.movementAcceleration=-6;
      if (weaponManager.isUsingMotionEvents) {
        for (int i=0; i < 10; i++) {
          touchPath[i][0]=0;
          touchPath[i][1]=0;
        }
        pointerCount=1;
      }
      if (Math.abs(event.getX() - (xClickOffsetFirstTouch - screenWidth / 2)) < touchMarginal && Math.abs(event.getY() - (yClickOffsetFirstTouch - screenHeight / 2)) < touchMarginal) {
      }
    }
  }
  return true;
}

Fixed version (ground truth):
public boolean onTouch(View v,MotionEvent event){
  action=event.getAction();
  if (event.getPointerCount() > 1) {
    actionCode=action & MotionEvent.ACTION_MASK;
    action=event.getAction();
    for (int i=0; i < event.getPointerCount(); i++) {
      if (i == 0) {
        xClickOffsetFirstTouch=(int)event.getX(i) - screenWidth / 2;
        yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY(i);
        if (!Joystick.joystickInUse && Joystick.joystickDown && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
          Joystick.joystickInUse=true;
        }
 else         if (Joystick.joystickInUse) {
          Joystick.useJoystick(xClickOffsetFirstTouch,yClickOffsetFirstTouch,(int)event.getX(),(int)event.getY(),wrapper);
          if (Utility.getDistance((float)xClickOffsetFirstTouch,(float)yClickOffsetFirstTouch,(float)joystickX,(float)joystickY) > JOYSTICK_TRESHOLD) {
            Joystick.joystickDown=false;
            Joystick.joystickInUse=false;
            wrapper.player.movementAcceleration=-6;
          }
        }
      }
      if (i == 1) {
        xClickOffsetSecondTouch=(int)event.getX(i) - screenWidth / 2;
        yClickOffsetSecondTouch=screenHeight / 2 - (int)event.getY(i);
      }
    }
    if (actionCode == MotionEvent.ACTION_POINTER_DOWN) {
      weaponManager.triggerPlayerShoot(xClickOffsetSecondTouch,yClickOffsetSecondTouch);
    }
    if (actionCode == MotionEvent.ACTION_POINTER_UP) {
      Log.d("String_Node_Str","String_Node_Str");
    }
  }
 else {
    xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
    yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
    if (event.getAction() == MotionEvent.ACTION_DOWN) {
      xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
      yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
      if (xClickOffsetFirstTouch > screenWidth - 100 * Options.scaleX && xClickOffsetFirstTouch < screenWidth && yClickOffsetFirstTouch < yClickFirstBorder) {
        if (yClickOffsetFirstTouch < yClickThirdBorder && yClickOffsetFirstTouch > 0) {
          hud.triggerClick(Hud.BUTTON_3);
        }
 else         if (yClickOffsetFirstTouch < yClickSecondBorder && yClickOffsetFirstTouch > yClickThirdBorder) {
          hud.triggerClick(Hud.BUTTON_2);
        }
 else         if (yClickOffsetFirstTouch < yClickFirstBorder && yClickOffsetFirstTouch > yClickSecondBorder) {
          hud.triggerClick(Hud.BUTTON_1);
        }
      }
      if (joystickX != 0 && joystickY != 0 && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
        Joystick.joystickDown=true;
      }
 else {
        weaponManager.triggerPlayerShoot(event.getX() - screenWidth / 2,-((-screenHeight / 2) + event.getY()));
      }
    }
    if (event.getAction() == MotionEvent.ACTION_MOVE) {
      xClickOffsetFirstTouch=(int)event.getX() - screenWidth / 2;
      yClickOffsetFirstTouch=screenHeight / 2 - (int)event.getY();
      if (weaponManager.isUsingMotionEvents) {
        if (pointerCount < 10) {
          if (Math.abs(touchPath[pointerCount - 1][0] - xClickOffsetFirstTouch) >= 8 || Math.abs(touchPath[pointerCount - 1][1] - yClickOffsetFirstTouch) >= 8) {
            setPathPoint(xClickOffsetFirstTouch,yClickOffsetFirstTouch,pointerCount);
            pointerCount++;
          }
        }
      }
      if (!Joystick.joystickInUse && Joystick.joystickDown && xClickOffsetFirstTouch > joystickX - JOYSTICK_TRESHOLD && xClickOffsetFirstTouch < joystickX + JOYSTICK_TRESHOLD && yClickOffsetFirstTouch > joystickY - JOYSTICK_TRESHOLD && yClickOffsetFirstTouch < joystickY + JOYSTICK_TRESHOLD) {
        Joystick.joystickInUse=true;
      }
 else       if (Joystick.joystickInUse) {
        Joystick.useJoystick(xClickOffsetFirstTouch,yClickOffsetFirstTouch,(int)event.getX(),(int)event.getY(),wrapper);
        if (Utility.getDistance((float)xClickOffsetFirstTouch,(float)yClickOffsetFirstTouch,(float)joystickX,(float)joystickY) > JOYSTICK_TRESHOLD) {
          Joystick.joystickDown=false;
          Joystick.joystickInUse=false;
          wrapper.player.movementAcceleration=-6;
        }
      }
    }
    if (event.getAction() == MotionEvent.ACTION_UP) {
      Joystick.joystickInUse=false;
      Joystick.joystickDown=false;
      wrapper.player.movementAcceleration=-6;
      if (weaponManager.isUsingMotionEvents) {
        for (int i=0; i < 10; i++) {
          touchPath[i][0]=0;
          touchPath[i][1]=0;
        }
        pointerCount=1;
      }
      if (Math.abs(event.getX() - (xClickOffsetFirstTouch - screenWidth / 2)) < touchMarginal && Math.abs(event.getY() - (yClickOffsetFirstTouch - screenHeight / 2)) < touchMarginal) {
      }
    }
  }
  return true;
}