5.839 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [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 :  9  enodes  (cost  2 )
0.016 * * [simplify]: iteration  1 :  17  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  31  enodes  (cost  2 )
0.018 * * [simplify]: iteration  3 :  98  enodes  (cost  2 )
0.021 * * [simplify]: iteration  4 :  370  enodes  (cost  2 )
0.029 * * [simplify]: iteration  5 :  1540  enodes  (cost  2 )
0.072 * * [simplify]: iteration  6 :  5002  enodes  (cost  2 )
0.072 * [simplify]: Simplified to:
   (- 1.0 (erf a))
0.072 * [progress]: [Phase 3 of 3] Extracting.
0.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1.0 (erf a))
0.075 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.075 * [simplify]: Simplified to:
   (- 1.0 (erf a))
0.606 * [regime-testing]: End program error score: 0.05351209967684314