0.269 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (/ 2.0 (+ (exp x) (exp (- x))))
0.029 * [simplify]: Sending expressions to egg_math:
 (/ 2.0 (+ (exp h0) (exp (- h0))))