0.100 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.122 * * * [progress]: [2/2] Setting up program.
0.126 * [progress]: [Phase 2 of 3] Improving.
0.126 * [simplify]: Simplifying:
  (/ (exp a) (+ (exp a) (exp b)))
0.127 * [simplify]: Sending expressions to egg_math:
 (/ (exp h1) (+ (exp h1) (exp h0)))