1.155 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.235 * * * [progress]: [2/2] Setting up program.
0.246 * [progress]: [Phase 2 of 3] Improving.
0.250 * [simplify]: Simplifying:
  (/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))