15.492 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.040 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (/ (neg (+ (pow x 2.0) (pow y 2.0))) (* 2.0 (pow sigma 2.0)))) (* (* 2.0 PI) (pow sigma 2.0)))
0.046 * * [simplify]: iteration  0 :  39  enodes  (cost  12 )
0.048 * * [simplify]: iteration  1 :  94  enodes  (cost  12 )
0.050 * * [simplify]: iteration  2 :  244  enodes  (cost  12 )
0.054 * * [simplify]: iteration  3 :  1058  enodes  (cost  12 )
0.078 * * [simplify]: iteration  4 :  5001  enodes  (cost  12 )
0.078 * [simplify]: Simplified to:
   (/ (exp (/ (neg (+ (pow x 2.0) (pow y 2.0))) (* 2.0 (pow sigma 2.0)))) (* (* 2.0 PI) (pow sigma 2.0)))
0.078 * [progress]: [Phase 3 of 3] Extracting.
0.083 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (/ (neg (+ (pow x 2.0) (pow y 2.0))) (* 2.0 (pow sigma 2.0)))) (* (* 2.0 PI) (pow sigma 2.0)))
0.083 * * [simplify]: iteration  0 :  25  enodes  (cost  12 )
0.084 * * [simplify]: iteration  1 :  26  enodes  (cost  12 )
0.084 * * [simplify]: iteration  2 :  26  enodes  (cost  12 )
0.084 * [simplify]: Simplified to:
   (/ (exp (/ (neg (+ (pow x 2.0) (pow y 2.0))) (* 2.0 (pow sigma 2.0)))) (* (* 2.0 PI) (pow sigma 2.0)))
1.697 * [regime-testing]: End program error score: 22.41646604233238