0.175 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
1.258 * * * [progress]: [2/2] Setting up program.
1.263 * [progress]: [Phase 2 of 3] Improving.
1.263 * [simplify]: Simplifying:
  (/ 2.0 (* (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k)) (- (+ 1.0 (pow (/ k t) 2.0)) 1.0)))