0.098 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.076 * * * [progress]: [2/2] Setting up program.
0.079 * [progress]: [Phase 2 of 3] Improving.
0.079 * [simplify]: Simplifying:
  (- (/ x0 (- 1.0 x1)) x0)