4.635 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (neg b) (sqrt (- (* b b) a)))
0.040 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.041 * * [simplify]: iteration  1 :  12  enodes  (cost  4 )
0.042 * * [simplify]: iteration  2 :  12  enodes  (cost  4 )
0.042 * [simplify]: Simplified to:
   (- (sqrt (- (* b b) a)) b)
0.045 * [progress]: [Phase 3 of 3] Extracting.
0.048 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (- (* b b) a)) b)
0.048 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.048 * [simplify]: Simplified to:
   (- (sqrt (- (* b b) a)) b)
1.163 * [regime-testing]: End program error score: 29.314267934575227