0.059 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.050 * * * [progress]: [2/2] Setting up program.
0.053 * [progress]: [Phase 2 of 3] Improving.
0.053 * [simplify]: Simplifying:
  (/ (+ x y) (- 1.0 (/ y z)))
0.053 * [simplify]: Sending expressions to egg_math:
 (/ (+ h2 h1) (- 1.0 (/ h1 h0)))