0.053 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.041 * [progress]: [Phase 2 of 3] Improving.
0.042 * [simplify]: Simplifying:
  (+ x (/ (* (- y x) (- z t)) (- a t)))