0.721 * [progress]: [Phase 1 of 3] Setting up.
0.004 * * * [progress]: [1/2] Preparing points
0.290 * * * [progress]: [2/2] Setting up program.
0.301 * [progress]: [Phase 2 of 3] Improving.
0.305 * [simplify]: Simplifying:
  (/ (- (+ f n)) (- f n))