0.508 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.060 * [progress]: [Phase 2 of 3] Improving.
0.060 * [simplify]: Simplifying:
  (sqrt (fabs (/ (- (* a a) (* b b)) (* a a))))