0.743 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.163 * * * [progress]: [2/2] Setting up program.
0.208 * [progress]: [Phase 2 of 3] Improving.
0.211 * [simplify]: Simplifying:
  (* r (/ (sin b) (cos (+ a b))))