0.144 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.207 * * * [progress]: [2/2] Setting up program.
0.210 * [progress]: [Phase 2 of 3] Improving.
0.211 * [simplify]: Simplifying:
  (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))