5.640 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.034 * * * [progress]: [2/2] Setting up program.
0.037 * [progress]: [Phase 2 of 3] Improving.
0.037 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (sqrt (fabs (- (exp2 x) 1.0))))
0.039 * * [simplify]: iteration  0 :  11  enodes  (cost  5 )
0.040 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.041 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.041 * [simplify]: Simplified to:
   (- x (sqrt (fabs (- (exp2 x) 1.0))))
0.042 * [progress]: [Phase 3 of 3] Extracting.
0.044 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (sqrt (fabs (- (exp2 x) 1.0))))
0.045 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.045 * [simplify]: Simplified to:
   (- x (sqrt (fabs (- (exp2 x) 1.0))))
1.296 * [regime-testing]: End program error score: 39.48344464078105