0.630 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.036 * [progress]: [Phase 2 of 3] Improving.
0.036 * [simplify]: Simplifying:
  (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))
0.036 * [simplify]: Sending expressions to egg_math:
 (+ (- (/ 1.0 (+ h0 1.0)) (/ 2.0 h0)) (/ 1.0 (- h0 1.0)))