0.048 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.052 * * * [progress]: [2/2] Setting up program.
0.059 * [progress]: [Phase 2 of 3] Improving.
0.059 * [simplify]: Simplifying:
  (* (+ a (+ b (+ c d))) 2.0)