4.136 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.101 * * * [progress]: [2/2] Setting up program.
0.104 * [progress]: [Phase 2 of 3] Improving.
0.104 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (sin x)) (sqrt x))
0.106 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.107 * * [simplify]: iteration  1 :  8  enodes  (cost  4 )
0.108 * * [simplify]: iteration  2 :  8  enodes  (cost  4 )
0.108 * [simplify]: Simplified to:
   (- (sqrt (sin x)) (sqrt x))
0.108 * [progress]: [Phase 3 of 3] Extracting.
0.110 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (sin x)) (sqrt x))
0.111 * * [simplify]: iteration  0 :  5  enodes  (cost  4 )
0.111 * [simplify]: Simplified to:
   (- (sqrt (sin x)) (sqrt x))
3.508 * [regime-testing]: End program error score: 16.19800360250464