0.123 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.243 * * * [progress]: [2/2] Setting up program.
0.246 * [progress]: [Phase 2 of 3] Improving.
0.246 * [simplify]: Simplifying:
  (/ (log (- 1.0 x)) (log (+ 1.0 x)))