0.040 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.102 * * * [progress]: [2/2] Setting up program.
0.107 * [progress]: [Phase 2 of 3] Improving.
0.107 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) (- (* z z) t)))