0.016 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.057 * [progress]: [Phase 2 of 3] Improving.
0.057 * [simplify]: Simplifying:
  (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
0.057 * [simplify]: Sending expressions to egg_math:
 (- (+ (- (* h0 h3) (* h0 h2)) (* h1 h0)) (* h0 h0))