getModel()->getMaxminSystem()->update_variable_weight(getVariable(), 0.0);
if (getModel()->getUpdateMechanism() == UM_LAZY){
heapRemove(getModel()->getActionHeap());
getModel()->getMaxminSystem()->update_variable_weight(getVariable(), 0.0);
if (getModel()->getUpdateMechanism() == UM_LAZY){
heapRemove(getModel()->getActionHeap());