Program: 55879
Project: 55879
Buggy source:
@Override public int timerEvent(){
  if (state == EMovableState.DEAD) {
    return -1;
  }
switch (state) {
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
case TAKE:
case DROP:
case PATHING:
case WAITING:
    int remainingAnimationTime=animationStartTime + animationDuration - MatchConstants.clock().getTime();
  if (remainingAnimationTime > 0) {
    return remainingAnimationTime;
  }
break;
default :
break;
}
switch (state) {
case TAKE:
case DROP:
if (this.movableAction != EMovableAction.RAISE_UP) {
break;
}
case WAITING:
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
state=EMovableState.DOING_NOTHING;
movableAction=EMovableAction.NO_ACTION;
case PATHING:
case DOING_NOTHING:
if (visible) {
checkPlayerOfCurrentPosition();
}
break;
default :
break;
}
if (moveToRequest != null) {
if (strategy.isMoveToAble()) {
switch (state) {
case PATHING:
setState(EMovableState.DOING_NOTHING);
this.movableAction=EMovableAction.NO_ACTION;
this.path=null;
case DOING_NOTHING:
ShortPoint2D oldTargetPos=path != null ? path.getTargetPos() : null;
ShortPoint2D oldPos=position;
boolean foundPath=goToPos(moveToRequest);
moveToRequest=null;
if (foundPath) {
this.strategy.moveToPathSet(oldPos,oldTargetPos,path.getTargetPos());
return animationDuration;
}
 else {
break;
}
default :
break;
}
}
 else {
moveToRequest=null;
}
}
switch (state) {
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
setState(EMovableState.DOING_NOTHING);
this.movableAction=EMovableAction.NO_ACTION;
break;
case PATHING:
pathingAction();
break;
case TAKE:
grid.takeMaterial(position,takeDropMaterial);
setMaterial(takeDropMaterial);
playAnimation(EMovableAction.RAISE_UP,Constants.MOVABLE_BEND_DURATION);
break;
case DROP:
if (takeDropMaterial != null && takeDropMaterial != EMaterialType.NO_MATERIAL) {
boolean offerMaterial=strategy.beforeDroppingMaterial();
grid.dropMaterial(position,takeDropMaterial,offerMaterial);
}
setMaterial(EMaterialType.NO_MATERIAL);
playAnimation(EMovableAction.RAISE_UP,Constants.MOVABLE_BEND_DURATION);
break;
default :
break;
}
if (state == EMovableState.DOING_NOTHING) {
strategy.action();
if (state == EMovableState.DOING_NOTHING) {
if (visible && enableNothingToDo) {
return doingNothingAction();
}
 else {
return Constants.MOVABLE_INTERRUPT_PERIOD;
}
}
}
return animationDuration;
}

Fixed version (ground truth):
@Override public int timerEvent(){
  if (state == EMovableState.DEAD) {
    return -1;
  }
switch (state) {
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
case TAKE:
case DROP:
case PATHING:
case WAITING:
    int remainingAnimationTime=animationStartTime + animationDuration - MatchConstants.clock().getTime();
  if (remainingAnimationTime > 0) {
    return remainingAnimationTime;
  }
break;
default :
break;
}
switch (state) {
case TAKE:
case DROP:
if (this.movableAction != EMovableAction.RAISE_UP) {
break;
}
case WAITING:
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
state=EMovableState.DOING_NOTHING;
movableAction=EMovableAction.NO_ACTION;
case PATHING:
case DOING_NOTHING:
if (visible) {
checkPlayerOfCurrentPosition();
}
break;
default :
break;
}
if (moveToRequest != null) {
if (strategy.isMoveToAble()) {
switch (state) {
case PATHING:
setState(EMovableState.DOING_NOTHING);
this.movableAction=EMovableAction.NO_ACTION;
this.path=null;
case DOING_NOTHING:
ShortPoint2D oldTargetPos=path != null ? path.getTargetPos() : null;
ShortPoint2D oldPos=position;
boolean foundPath=goToPos(moveToRequest);
moveToRequest=null;
if (foundPath) {
this.strategy.moveToPathSet(oldPos,oldTargetPos,path.getTargetPos());
return animationDuration;
}
 else {
break;
}
default :
break;
}
}
 else {
moveToRequest=null;
}
}
switch (state) {
case GOING_SINGLE_STEP:
case PLAYING_ACTION:
setState(EMovableState.DOING_NOTHING);
this.movableAction=EMovableAction.NO_ACTION;
break;
case PATHING:
pathingAction();
break;
case TAKE:
grid.takeMaterial(position,takeDropMaterial);
setMaterial(takeDropMaterial);
playAnimation(EMovableAction.RAISE_UP,Constants.MOVABLE_BEND_DURATION);
break;
case DROP:
if (takeDropMaterial != null && takeDropMaterial.isDroppable()) {
boolean offerMaterial=strategy.beforeDroppingMaterial();
grid.dropMaterial(position,takeDropMaterial,offerMaterial);
}
setMaterial(EMaterialType.NO_MATERIAL);
playAnimation(EMovableAction.RAISE_UP,Constants.MOVABLE_BEND_DURATION);
break;
default :
break;
}
if (state == EMovableState.DOING_NOTHING) {
strategy.action();
if (state == EMovableState.DOING_NOTHING) {
if (visible && enableNothingToDo) {
return doingNothingAction();
}
 else {
return Constants.MOVABLE_INTERRUPT_PERIOD;
}
}
}
return animationDuration;
}