0.078 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.883 * * * [progress]: [2/2] Setting up program.
0.894 * [progress]: [Phase 2 of 3] Improving.
0.894 * [simplify]: Simplifying:
  (+ (- (- x (* (- y 1.0) z)) (* (- t 1.0) a)) (* (- (+ y t) 2.0) b))