0.055 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.041 * [simplify]: Simplifying:
  (- (- 1.0 (/ 1.0 (* x 9.0))) (/ y (* 3.0 (sqrt x))))