0.022 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.126 * * * [progress]: [2/2] Setting up program.
0.154 * [progress]: [Phase 2 of 3] Improving.
0.154 * [simplify]: Simplifying:
  (+ (+ (- (* (- x 0.5) (log x)) x) 0.91893853320467) (/ (+ (* (- (* (+ y 0.0007936500793651) z) 0.0027777777777778) z) 0.083333333333333) x))