17.450 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- (* b b) a))
0.021 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.022 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.023 * * [simplify]: iteration  2 :  8  enodes  (cost  3 )
0.023 * [simplify]: Simplified to:
   (sqrt (- (* b b) a))
0.023 * [progress]: [Phase 3 of 3] Extracting.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- (* b b) a))
0.026 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.026 * [simplify]: Simplified to:
   (sqrt (- (* b b) a))
0.761 * [regime-testing]: End program error score: 21.342990994186863