150.025 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.047 * * * [progress]: [2/2] Setting up program.
0.051 * [progress]: [Phase 2 of 3] Improving.
0.051 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (erf (* t (- c2 p))) (erf (* t (- c1 p))))
0.053 * * [simplify]: iteration  0 :  23  enodes  (cost  7 )
0.055 * * [simplify]: iteration  1 :  50  enodes  (cost  7 )
0.057 * * [simplify]: iteration  2 :  99  enodes  (cost  7 )
0.059 * * [simplify]: iteration  3 :  291  enodes  (cost  7 )
0.066 * * [simplify]: iteration  4 :  994  enodes  (cost  7 )
0.089 * * [simplify]: iteration  5 :  2944  enodes  (cost  7 )
0.154 * * [simplify]: iteration  6 :  5002  enodes  (cost  7 )
0.154 * [simplify]: Simplified to:
   (- (erf (* t (- c2 p))) (erf (* t (- c1 p))))
0.155 * [progress]: [Phase 3 of 3] Extracting.
0.158 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (erf (* t (- c2 p))) (erf (* t (- c1 p))))
0.159 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.159 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.159 * [simplify]: Simplified to:
   (- (erf (* t (- c2 p))) (erf (* t (- c1 p))))
1.802 * [regime-testing]: End program error score: 3.477402940802674