3.874 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (exp2 x) (exp2 x)))
0.017 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.017 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.018 * * [simplify]: iteration  2 :  7  enodes  (cost  4 )
0.018 * [simplify]: Simplified to:
   (sqrt (+ (exp2 x) (exp2 x)))
0.019 * [progress]: [Phase 3 of 3] Extracting.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ (exp2 x) (exp2 x)))
0.021 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.021 * [simplify]: Simplified to:
   (sqrt (+ (exp2 x) (exp2 x)))
0.564 * [regime-testing]: End program error score: 0.0661514704342567