4.537 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.682 * * * [progress]: [2/2] Setting up program.
0.685 * [progress]: [Phase 2 of 3] Improving.
0.685 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (-.f64 1 (cos.f64 x)) (sin.f64 x))
0.695 * * [simplify]: iteration  0 :  171  enodes  (cost  4 )
0.695 * * [simplify]: iteration  1 :  171  enodes  (cost  4 )
0.696 * [simplify]: Simplified to:
   (tan.f64 (/.f64 x 2))
0.699 * * [progress]: iteration 1 / 4
0.699 * * * [progress]: picking best candidate
0.701 * * * * [pick]: Picked  #<alt (λ (x) (tan.f64 (/.f64 x 2)))>
0.701 * * * [progress]: localizing error
0.705 * * * [progress]: generating rewritten candidates
0.705 * * * [progress]: generating series expansions
0.705 * * * [progress]: simplifying candidates
0.705 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.709 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.709 * [simplify]: Simplified to:
   
0.709 * * * [progress]: adding candidates to table
0.710 * [progress]: [Phase 3 of 3] Extracting.
0.712 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tan.f64 (/.f64 x 2))
0.713 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.713 * * [simplify]: iteration  1 :  4  enodes  (cost  4 )
0.713 * [simplify]: Simplified to:
   (tan.f64 (/.f64 x 2))
5.474 * [regime-testing]: End program error score: 0.00025003125390673836
5.526 * [regime-testing]: Target error score: 0.00025003125390673836