Terrible, just terrible

The terrible dialog has these two legends making unfunny comment after unfunny comment, and they just seem to have wrong the demeanor throughout. It's like they gathered together some of the best actors in the world and then made them act out a script written by a high school freshman. Their mailed-in performances made it obvious that they knew this thing was a stinker. And the "twist" at the end was blatantly obvious about mid-way through the movie. I can't figure out why De Niro and Pacino agreed to be in this. Very disappointing.