4.096 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.057 * [progress]: [Phase 2 of 3] Improving.
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- 1.0 (sqrt (- 1.0 (exp2 x)))) 2.0)
0.059 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.060 * * [simplify]: iteration  1 :  19  enodes  (cost  5 )
0.061 * * [simplify]: iteration  2 :  21  enodes  (cost  5 )
0.062 * * [simplify]: iteration  3 :  21  enodes  (cost  5 )
0.062 * [simplify]: Simplified to:
   (/ (- 1.0 (sqrt (- 1.0 (exp2 x)))) 2.0)
0.062 * [progress]: [Phase 3 of 3] Extracting.
0.067 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- 1.0 (sqrt (- 1.0 (exp2 x)))) 2.0)
0.068 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.068 * [simplify]: Simplified to:
   (/ (- 1.0 (sqrt (- 1.0 (exp2 x)))) 2.0)
1.913 * [regime-testing]: End program error score: 0.758376966470184