0.025 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.135 * * * [progress]: [2/2] Setting up program.
0.140 * [progress]: [Phase 2 of 3] Improving.
0.141 * [simplify]: Simplifying:
  (- x (/ (log (+ (- 1.0 y) (* y (exp z)))) t))