7.665 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.049 * * * [progress]: [2/2] Setting up program.
0.051 * [progress]: [Phase 2 of 3] Improving.
0.052 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- a (sqrt (- (* a a) (* b b))))
0.054 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.055 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.056 * * [simplify]: iteration  2 :  37  enodes  (cost  5 )
0.058 * * [simplify]: iteration  3 :  63  enodes  (cost  5 )
0.059 * * [simplify]: iteration  4 :  134  enodes  (cost  5 )
0.061 * * [simplify]: iteration  5 :  212  enodes  (cost  5 )
0.065 * * [simplify]: iteration  6 :  398  enodes  (cost  5 )
0.074 * * [simplify]: iteration  7 :  1799  enodes  (cost  5 )
0.131 * * [simplify]: iteration  8 :  5002  enodes  (cost  5 )
0.131 * [simplify]: Simplified to:
   (- a (sqrt (- (* a a) (* b b))))
0.131 * [progress]: [Phase 3 of 3] Extracting.
0.134 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- a (sqrt (- (* a a) (* b b))))
0.134 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.134 * [simplify]: Simplified to:
   (- a (sqrt (- (* a a) (* b b))))
1.700 * [regime-testing]: End program error score: 38.68197972696932