0.934 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.115 * * * [progress]: [2/2] Setting up program.
0.119 * [progress]: [Phase 2 of 3] Improving.
0.121 * [simplify]: Simplifying:
  (- (log (- (/ 1.0 x) 1.0)))