0.017 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying:
  (+ x (* (- y x) (/ z t)))
0.027 * [simplify]: Sending expressions to egg_math:
 (+ h2 (* (- h3 h2) (/ h1 h0)))