9.037 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (sqrt (- y x)))
0.033 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.034 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.035 * * [simplify]: iteration  2 :  9  enodes  (cost  3 )
0.035 * [simplify]: Simplified to:
   (+ x (sqrt (- y x)))
0.036 * [progress]: [Phase 3 of 3] Extracting.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (sqrt (- y x)))
0.039 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.039 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.039 * [simplify]: Simplified to:
   (+ x (sqrt (- y x)))
0.997 * [regime-testing]: End program error score: 0.013313145780263743