0.213 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.132 * * * [progress]: [2/2] Setting up program.
0.137 * [progress]: [Phase 2 of 3] Improving.
0.138 * [simplify]: Simplifying:
  (/ (- 1.0 (cos x)) (* x x))