5.810 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- (* a a) (* b b)))
0.031 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.032 * * [simplify]: iteration  1 :  18  enodes  (cost  4 )
0.033 * * [simplify]: iteration  2 :  33  enodes  (cost  4 )
0.034 * * [simplify]: iteration  3 :  59  enodes  (cost  4 )
0.035 * * [simplify]: iteration  4 :  130  enodes  (cost  4 )
0.037 * * [simplify]: iteration  5 :  208  enodes  (cost  4 )
0.040 * * [simplify]: iteration  6 :  394  enodes  (cost  4 )
0.048 * * [simplify]: iteration  7 :  1795  enodes  (cost  4 )
0.097 * * [simplify]: iteration  8 :  5002  enodes  (cost  4 )
0.098 * [simplify]: Simplified to:
   (sqrt (- (* a a) (* b b)))
0.098 * [progress]: [Phase 3 of 3] Extracting.
0.104 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (- (* a a) (* b b)))
0.104 * * [simplify]: iteration  0 :  6  enodes  (cost  4 )
0.104 * [simplify]: Simplified to:
   (sqrt (- (* a a) (* b b)))
1.093 * [regime-testing]: End program error score: 31.499397436510495