10.298 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.072 * * * [progress]: [2/2] Setting up program.
0.076 * [progress]: [Phase 2 of 3] Improving.
0.076 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: Extracting # 3 : cost  0
0.076 * * [simplify]: Extracting # 4 : cost  0
0.076 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.078 * * [simplify]: Extracting # 2 : cost  0
0.078 * * [simplify]: Extracting # 3 : cost  0
0.078 * * [simplify]: Extracting # 4 : cost  0
0.078 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.081 * * [simplify]: Extracting # 0 : cost  0
0.081 * * [simplify]: Extracting # 1 : cost  0
0.081 * * [simplify]: Extracting # 2 : cost  0
0.081 * * [simplify]: Extracting # 3 : cost  0
0.081 * * [simplify]: Extracting # 4 : cost  0
0.081 * * [simplify]: iteration  2 :  30  enodes  (cost  7 )
0.087 * * [simplify]: Extracting # 0 : cost  0
0.088 * * [simplify]: Extracting # 1 : cost  0
0.088 * * [simplify]: Extracting # 2 : cost  0
0.088 * * [simplify]: Extracting # 3 : cost  0
0.088 * * [simplify]: Extracting # 4 : cost  0
0.088 * * [simplify]: iteration  3 :  74  enodes  (cost  7 )
0.107 * * [simplify]: Extracting # 0 : cost  0
0.108 * * [simplify]: Extracting # 1 : cost  0
0.108 * * [simplify]: Extracting # 2 : cost  0
0.108 * * [simplify]: Extracting # 3 : cost  0
0.108 * * [simplify]: Extracting # 4 : cost  0
0.109 * * [simplify]: iteration  4 :  213  enodes  (cost  7 )
0.268 * * [simplify]: Extracting # 0 : cost  0
0.269 * * [simplify]: Extracting # 1 : cost  0
0.269 * * [simplify]: Extracting # 2 : cost  0
0.270 * * [simplify]: Extracting # 3 : cost  0
0.270 * * [simplify]: Extracting # 4 : cost  0
0.271 * * [simplify]: iteration  5 :  658  enodes  (cost  7 )
1.169 * * [simplify]: Extracting # 0 : cost  0
1.172 * * [simplify]: Extracting # 1 : cost  0
1.175 * * [simplify]: Extracting # 2 : cost  0
1.178 * * [simplify]: Extracting # 3 : cost  0
1.182 * * [simplify]: Extracting # 4 : cost  0
1.188 * * [simplify]: iteration  6 :  3171  enodes  (cost  7 )
2.846 * * [simplify]: Extracting # 0 : cost  0
2.857 * * [simplify]: Extracting # 1 : cost  0
2.867 * * [simplify]: Extracting # 2 : cost  0
2.877 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
2.878 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
2.878 * * [progress]: iteration 1 / 4
2.878 * * * [progress]: picking best candidate
2.882 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
2.882 * * * [progress]: localizing error
2.892 * * * [progress]: generating rewritten candidates
2.892 * * * [progress]: generating series expansions
2.892 * * * [progress]: simplifying candidates
2.892 * [simplify]: Simplifying:
  
2.892 * * [simplify]: Extracting # 0 : cost  0
2.892 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.892 * * [simplify]: Extracting # 0 : cost  0
2.892 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.892 * [simplify]: Simplified to:
  
2.892 * * * [progress]: adding candidates to table
2.893 * [progress]: [Phase 3 of 3] Extracting.
2.895 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
2.895 * * [simplify]: Extracting # 0 : cost  0
2.895 * * [simplify]: Extracting # 1 : cost  0
2.895 * * [simplify]: Extracting # 2 : cost  0
2.895 * * [simplify]: Extracting # 3 : cost  0
2.895 * * [simplify]: Extracting # 4 : cost  0
2.895 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.895 * * [simplify]: Extracting # 0 : cost  0
2.895 * * [simplify]: iteration done:  6  enodes  (cost  7 )
2.895 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
4.869 * [regime-testing]: Baseline error score: 0.002750343792974122
4.872 * [regime-testing]: Oracle error score: 0.002750343792974122
4.872 * [regime-testing]: End program error score: 0.002750343792974122