4.537 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.668 * * * [progress]: [2/2] Setting up program.
0.669 * [progress]: [Phase 2 of 3] Improving.
0.670 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (-.f64 1 (cos.f64 x)) (sin.f64 x))
0.680 * * [simplify]: iteration  0 :  171  enodes  (cost  4 )
0.680 * * [simplify]: iteration  1 :  171  enodes  (cost  4 )
0.680 * [simplify]: Simplified to:
   (tan.f64 (/.f64 x 2))
0.683 * * [progress]: iteration 1 / 4
0.683 * * * [progress]: picking best candidate
0.685 * * * * [pick]: Picked  #<alt (λ (x) (tan.f64 (/.f64 x 2)))>
0.685 * * * [progress]: localizing error
0.689 * * * [progress]: generating rewritten candidates
0.689 * * * [progress]: generating series expansions
0.689 * * * [progress]: simplifying candidates
0.689 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.693 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.693 * [simplify]: Simplified to:
   
0.693 * * * [progress]: adding candidates to table
0.693 * [progress]: [Phase 3 of 3] Extracting.
0.695 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tan.f64 (/.f64 x 2))
0.696 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.696 * * [simplify]: iteration  1 :  4  enodes  (cost  4 )
0.697 * [simplify]: Simplified to:
   (tan.f64 (/.f64 x 2))
5.512 * [regime-testing]: End program error score: 0.00025003125390673836
5.550 * [regime-testing]: Target error score: 0.00025003125390673836