0.151 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (/ a (- (acos a)))
0.025 * [simplify]: Sending expressions to egg_math:
 (/ h0 (- (acos h0)))