4.593 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- 81.0 (* 48.0 x)))
0.016 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.017 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.018 * * [simplify]: iteration  2 :  16  enodes  (cost  3 )
0.018 * [simplify]: Simplified to:
   (sqrt (- 81.0 (* 48.0 x)))
0.018 * [progress]: [Phase 3 of 3] Extracting.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- 81.0 (* 48.0 x)))
0.021 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.021 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.021 * [simplify]: Simplified to:
   (sqrt (- 81.0 (* 48.0 x)))
0.551 * [regime-testing]: End program error score: 0.1180147518439805