0.062 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.081 * [progress]: [Phase 2 of 3] Improving.
0.082 * [simplify]: Simplifying:
  (- x (/ (- y z) (/ (+ (- t z) 1.0) a)))