8.280 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.091 * * * [progress]: [2/2] Setting up program.
0.094 * [progress]: [Phase 2 of 3] Improving.
0.094 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (sqrt (- (exp2 x) 1.0)))
0.096 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.098 * * [simplify]: iteration  1 :  12  enodes  (cost  4 )
0.099 * * [simplify]: iteration  2 :  12  enodes  (cost  4 )
0.099 * [simplify]: Simplified to:
   (- x (sqrt (- (exp2 x) 1.0)))
0.099 * [progress]: [Phase 3 of 3] Extracting.
0.101 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (sqrt (- (exp2 x) 1.0)))
0.102 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.102 * [simplify]: Simplified to:
   (- x (sqrt (- (exp2 x) 1.0)))
3.034 * [regime-testing]: End program error score: 59.624742738790395