23.395 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (neg b) (/ (sqrt (- (* b b) (* 4.0 ac))) (* 2.0 a)))
0.040 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
0.041 * * [simplify]: iteration  1 :  30  enodes  (cost  7 )
0.042 * * [simplify]: iteration  2 :  30  enodes  (cost  7 )
0.042 * [simplify]: Simplified to:
   (- (/ (sqrt (- (* b b) (* 4.0 ac))) (* 2.0 a)) b)
0.051 * [progress]: [Phase 3 of 3] Extracting.
0.054 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (sqrt (- (* b b) (* 4.0 ac))) (* 2.0 a)) b)
0.055 * * [simplify]: iteration  0 :  14  enodes  (cost  7 )
0.055 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.055 * [simplify]: Simplified to:
   (- (/ (sqrt (- (* b b) (* 4.0 ac))) (* 2.0 a)) b)
1.377 * [regime-testing]: End program error score: 16.322431695819468