0.172 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.071 * * * [progress]: [2/2] Setting up program.
0.079 * [progress]: [Phase 2 of 3] Improving.
0.080 * [simplify]: Simplifying:
  (- (+ (- x (* (+ y 0.5) (log y))) y) z)