10.871 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.045 * * * [progress]: [2/2] Setting up program.
0.047 * [progress]: [Phase 2 of 3] Improving.
0.047 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
0.047 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.047 * * [simplify]: Extracting # 2 : cost  0
0.047 * * [simplify]: Extracting # 3 : cost  0
0.047 * * [simplify]: Extracting # 4 : cost  0
0.047 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.049 * * [simplify]: Extracting # 0 : cost  0
0.049 * * [simplify]: Extracting # 1 : cost  0
0.049 * * [simplify]: Extracting # 2 : cost  0
0.049 * * [simplify]: Extracting # 3 : cost  0
0.049 * * [simplify]: Extracting # 4 : cost  0
0.049 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.051 * * [simplify]: Extracting # 0 : cost  0
0.051 * * [simplify]: Extracting # 1 : cost  0
0.051 * * [simplify]: Extracting # 2 : cost  0
0.051 * * [simplify]: Extracting # 3 : cost  0
0.051 * * [simplify]: Extracting # 4 : cost  0
0.051 * * [simplify]: iteration  2 :  29  enodes  (cost  7 )
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: Extracting # 1 : cost  0
0.058 * * [simplify]: Extracting # 2 : cost  0
0.058 * * [simplify]: Extracting # 3 : cost  0
0.058 * * [simplify]: Extracting # 4 : cost  0
0.058 * * [simplify]: Extracting # 5 : cost  0
0.058 * * [simplify]: iteration  3 :  69  enodes  (cost  7 )
0.076 * * [simplify]: Extracting # 0 : cost  0
0.077 * * [simplify]: Extracting # 1 : cost  0
0.077 * * [simplify]: Extracting # 2 : cost  0
0.077 * * [simplify]: Extracting # 3 : cost  0
0.077 * * [simplify]: Extracting # 4 : cost  0
0.077 * * [simplify]: iteration  4 :  200  enodes  (cost  7 )
0.173 * * [simplify]: Extracting # 0 : cost  0
0.173 * * [simplify]: Extracting # 1 : cost  0
0.174 * * [simplify]: Extracting # 2 : cost  0
0.174 * * [simplify]: Extracting # 3 : cost  0
0.175 * * [simplify]: Extracting # 4 : cost  0
0.175 * * [simplify]: Extracting # 5 : cost  0
0.176 * * [simplify]: iteration  5 :  611  enodes  (cost  7 )
0.995 * * [simplify]: Extracting # 0 : cost  0
1.001 * * [simplify]: Extracting # 1 : cost  0
1.006 * * [simplify]: Extracting # 2 : cost  0
1.011 * * [simplify]: Extracting # 3 : cost  0
1.016 * * [simplify]: Extracting # 4 : cost  0
1.021 * * [simplify]: iteration  6 :  2916  enodes  (cost  7 )
2.685 * * [simplify]: Extracting # 0 : cost  0
2.696 * * [simplify]: Extracting # 1 : cost  0
2.702 * * [simplify]: Extracting # 2 : cost  0
2.710 * * [simplify]: Extracting # 3 : cost  0
2.718 * * [simplify]: Extracting # 4 : cost  0
2.723 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
2.724 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
2.724 * * [progress]: iteration 1 / 4
2.724 * * * [progress]: picking best candidate
2.726 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
2.726 * * * [progress]: localizing error
2.733 * * * [progress]: generating rewritten candidates
2.733 * * * [progress]: generating series expansions
2.733 * * * [progress]: simplifying candidates
2.733 * [simplify]: Simplifying:
  
2.733 * * [simplify]: Extracting # 0 : cost  0
2.733 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.733 * * [simplify]: Extracting # 0 : cost  0
2.733 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.733 * [simplify]: Simplified to:
  
2.733 * * * [progress]: adding candidates to table
2.733 * [progress]: [Phase 3 of 3] Extracting.
2.735 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
2.735 * * [simplify]: Extracting # 0 : cost  0
2.735 * * [simplify]: Extracting # 1 : cost  0
2.735 * * [simplify]: Extracting # 2 : cost  0
2.736 * * [simplify]: Extracting # 3 : cost  0
2.736 * * [simplify]: Extracting # 4 : cost  0
2.736 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.736 * * [simplify]: Extracting # 0 : cost  0
2.736 * * [simplify]: iteration done:  6  enodes  (cost  7 )
2.736 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
4.882 * [regime-testing]: Baseline error score: 0.002750343792974122
4.884 * [regime-testing]: Oracle error score: 0.002750343792974122
4.884 * [regime-testing]: End program error score: 0.002750343792974122