3.698 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.007 * * * [progress]: [2/2] Setting up program.
0.009 * [progress]: [Phase 2 of 3] Improving.
0.009 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (erf x)
0.010 * * [simplify]: iteration  0 :  5  enodes  (cost  1 )
0.011 * * [simplify]: iteration  1 :  10  enodes  (cost  1 )
0.012 * * [simplify]: iteration  2 :  17  enodes  (cost  1 )
0.013 * * [simplify]: iteration  3 :  51  enodes  (cost  1 )
0.015 * * [simplify]: iteration  4 :  147  enodes  (cost  1 )
0.018 * * [simplify]: iteration  5 :  504  enodes  (cost  1 )
0.033 * * [simplify]: iteration  6 :  2129  enodes  (cost  1 )
0.191 * * [simplify]: iteration  7 :  5002  enodes  (cost  1 )
0.192 * [simplify]: Simplified to:
   (erf x)
0.192 * [progress]: [Phase 3 of 3] Extracting.
0.194 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (erf x)
0.195 * * [simplify]: iteration  0 :  2  enodes  (cost  1 )
0.195 * [simplify]: Simplified to:
   (erf x)
0.541 * [regime-testing]: End program error score: 0.03662957869733717