4.242 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (/ (- a b) (+ a b)))
0.035 * * [simplify]: iteration  0 :  12  enodes  (cost  4 )
0.035 * * [simplify]: iteration  1 :  15  enodes  (cost  4 )
0.036 * * [simplify]: iteration  2 :  17  enodes  (cost  4 )
0.037 * * [simplify]: iteration  3 :  17  enodes  (cost  4 )
0.037 * [simplify]: Simplified to:
   (sqrt (/ (- a b) (+ a b)))
0.038 * [progress]: [Phase 3 of 3] Extracting.
0.040 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (/ (- a b) (+ a b)))
0.040 * * [simplify]: iteration  0 :  7  enodes  (cost  4 )
0.040 * * [simplify]: iteration  1 :  7  enodes  (cost  4 )
0.040 * [simplify]: Simplified to:
   (sqrt (/ (- a b) (+ a b)))
1.021 * [regime-testing]: End program error score: 0.016252031503937992