0.025 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying:
  (/ (- (* x y) (* z t)) a)
0.034 * [simplify]: Sending expressions to egg_math:
 (/ (- (* h4 h3) (* h2 h1)) h0)