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