0.030 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.057 * * * [progress]: [2/2] Setting up program.
0.081 * [progress]: [Phase 2 of 3] Improving.
0.081 * [simplify]: Simplifying:
  (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c))