0.071 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.036 * [progress]: [Phase 2 of 3] Improving.
0.037 * [simplify]: Simplifying:
  (+ x (* (- 1.0 x) (- 1.0 y)))