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