0.477 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.135 * * * [progress]: [2/2] Setting up program.
0.139 * [progress]: [Phase 2 of 3] Improving.
0.139 * [simplify]: Simplifying:
  (/ (- (exp x) (exp (- x))) 2.0)
0.139 * [simplify]: Sending expressions to egg_math:
 (/ (- (exp h0) (exp (- h0))) 2.0)