2.133 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ 1.0 (erf a))
0.015 * * [simplify]: iteration  0 :  8  enodes  (cost  2 )
0.016 * * [simplify]: iteration  1 :  17  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  35  enodes  (cost  2 )
0.019 * * [simplify]: iteration  3 :  118  enodes  (cost  2 )
0.021 * * [simplify]: iteration  4 :  495  enodes  (cost  2 )
0.030 * * [simplify]: iteration  5 :  1885  enodes  (cost  2 )
0.065 * * [simplify]: iteration  6 :  5001  enodes  (cost  2 )
0.065 * [simplify]: Simplified to:
   (+ 1.0 (erf a))
0.065 * [progress]: [Phase 3 of 3] Extracting.
0.067 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ 1.0 (erf a))
0.068 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.068 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.068 * [simplify]: Simplified to:
   (+ 1.0 (erf a))
0.598 * [regime-testing]: End program error score: 0.024513121783649335