11.364 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.058 * * * [progress]: [2/2] Setting up program.
0.062 * [progress]: [Phase 2 of 3] Improving.
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (+ (exp2 x) (exp2 y)) 2.0) (exp2 (/ (+ x y) 2.0)))
0.063 * * [simplify]: iteration  0 :  15  enodes  (cost  8 )
0.065 * * [simplify]: iteration  1 :  16  enodes  (cost  8 )
0.066 * * [simplify]: iteration  2 :  16  enodes  (cost  8 )
0.066 * [simplify]: Simplified to:
   (- (/ (+ (exp2 x) (exp2 y)) 2.0) (exp2 (/ (+ x y) 2.0)))
0.066 * [progress]: [Phase 3 of 3] Extracting.
0.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (+ (exp2 x) (exp2 y)) 2.0) (exp2 (/ (+ x y) 2.0)))
0.069 * * [simplify]: iteration  0 :  13  enodes  (cost  8 )
0.069 * * [simplify]: iteration  1 :  13  enodes  (cost  8 )
0.070 * [simplify]: Simplified to:
   (- (/ (+ (exp2 x) (exp2 y)) 2.0) (exp2 (/ (+ x y) 2.0)))
2.011 * [regime-testing]: End program error score: 19.42164177083322