5.554 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.043 * * * [progress]: [2/2] Setting up program.
0.046 * [progress]: [Phase 2 of 3] Improving.
0.047 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (sqrt (+ (pow (- x y) 2.0) 4.0)) (- x y)) 2.0)
0.049 * * [simplify]: iteration  0 :  24  enodes  (cost  7 )
0.050 * * [simplify]: iteration  1 :  42  enodes  (cost  7 )
0.051 * * [simplify]: iteration  2 :  82  enodes  (cost  7 )
0.052 * * [simplify]: iteration  3 :  162  enodes  (cost  7 )
0.056 * * [simplify]: iteration  4 :  374  enodes  (cost  7 )
0.062 * * [simplify]: iteration  5 :  1406  enodes  (cost  7 )
0.090 * * [simplify]: iteration  6 :  5001  enodes  (cost  7 )
0.091 * [simplify]: Simplified to:
   (/ (- (sqrt (+ (pow (- x y) 2.0) 4.0)) (- x y)) 2.0)
0.091 * [progress]: [Phase 3 of 3] Extracting.
0.094 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (sqrt (+ (pow (- x y) 2.0) 4.0)) (- x y)) 2.0)
0.094 * * [simplify]: iteration  0 :  11  enodes  (cost  7 )
0.095 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.095 * [simplify]: Simplified to:
   (/ (- (sqrt (+ (pow (- x y) 2.0) 4.0)) (- x y)) 2.0)
1.588 * [regime-testing]: End program error score: 37.06575366648749