4.371 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (* x x) x)) x)
0.025 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.026 * * [simplify]: iteration  1 :  16  enodes  (cost  4 )
0.027 * * [simplify]: iteration  2 :  22  enodes  (cost  4 )
0.028 * * [simplify]: iteration  3 :  22  enodes  (cost  4 )
0.028 * [simplify]: Simplified to:
   (- (sqrt (+ (* x x) x)) x)
0.028 * [progress]: [Phase 3 of 3] Extracting.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (* x x) x)) x)
0.031 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.031 * * [simplify]: iteration  1 :  6  enodes  (cost  4 )
0.031 * [simplify]: Simplified to:
   (- (sqrt (+ (* x x) x)) x)
0.840 * [regime-testing]: End program error score: 30.995897618161383