0.022 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.095 * * * [progress]: [2/2] Setting up program.
0.099 * [progress]: [Phase 2 of 3] Improving.
0.099 * [simplify]: Simplifying:
  (fabs (- (/ (+ x 4.0) y) (* (/ x y) z)))
0.099 * [simplify]: Sending expressions to egg_math:
 (fabs (- (/ (+ h2 4.0) h1) (* (/ h2 h1) h0)))