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