0.058 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.053 * [progress]: [Phase 2 of 3] Improving.
0.054 * [simplify]: Simplifying:
  (- (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0)))