0.030 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.122 * * * [progress]: [2/2] Setting up program.
0.128 * [progress]: [Phase 2 of 3] Improving.
0.128 * [simplify]: Simplifying:
  (+ (- (- (* x (log y)) y) z) (log t))