0.643 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.143 * * * [progress]: [2/2] Setting up program.
0.151 * [progress]: [Phase 2 of 3] Improving.
0.153 * [simplify]: Simplifying:
  (/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)