5.529 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 1.0 (- (+ (* a a) (* b b)) (+ (* c c) (* d d))))
0.030 * * [simplify]: iteration  0 :  21  enodes  (cost  8 )
0.031 * * [simplify]: iteration  1 :  44  enodes  (cost  8 )
0.032 * * [simplify]: iteration  2 :  108  enodes  (cost  8 )
0.034 * * [simplify]: iteration  3 :  201  enodes  (cost  8 )
0.037 * * [simplify]: iteration  4 :  371  enodes  (cost  8 )
0.043 * * [simplify]: iteration  5 :  1214  enodes  (cost  8 )
0.061 * * [simplify]: iteration  6 :  4523  enodes  (cost  8 )
0.105 * * [simplify]: iteration  7 :  5002  enodes  (cost  8 )
0.106 * [simplify]: Simplified to:
   (/ 1.0 (- (+ (* a a) (* b b)) (+ (* c c) (* d d))))
0.106 * [progress]: [Phase 3 of 3] Extracting.
0.113 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 1.0 (- (+ (* a a) (* b b)) (+ (* c c) (* d d))))
0.114 * * [simplify]: iteration  0 :  15  enodes  (cost  8 )
0.114 * * [simplify]: iteration  1 :  15  enodes  (cost  8 )
0.114 * [simplify]: Simplified to:
   (/ 1.0 (- (+ (* a a) (* b b)) (+ (* c c) (* d d))))
1.132 * [regime-testing]: End program error score: 12.685959574653635