0.453 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.141 * * * [progress]: [2/2] Setting up program.
0.145 * [progress]: [Phase 2 of 3] Improving.
0.147 * [simplify]: Simplifying:
  (- (log (- (/ 1.0 x) 1.0)))