10.785 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.076 * * * [progress]: [2/2] Setting up program.
0.082 * [progress]: [Phase 2 of 3] Improving.
0.083 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
0.083 * * [simplify]: Extracting # 0 : cost  0
0.083 * * [simplify]: Extracting # 1 : cost  0
0.083 * * [simplify]: Extracting # 2 : cost  0
0.083 * * [simplify]: Extracting # 3 : cost  0
0.083 * * [simplify]: Extracting # 4 : cost  0
0.083 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.085 * * [simplify]: Extracting # 0 : cost  0
0.085 * * [simplify]: Extracting # 1 : cost  0
0.085 * * [simplify]: Extracting # 2 : cost  0
0.085 * * [simplify]: Extracting # 3 : cost  0
0.086 * * [simplify]: Extracting # 4 : cost  0
0.086 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.090 * * [simplify]: Extracting # 0 : cost  0
0.090 * * [simplify]: Extracting # 1 : cost  0
0.090 * * [simplify]: Extracting # 2 : cost  0
0.090 * * [simplify]: Extracting # 3 : cost  0
0.090 * * [simplify]: iteration  2 :  29  enodes  (cost  7 )
0.100 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.100 * * [simplify]: Extracting # 2 : cost  0
0.101 * * [simplify]: Extracting # 3 : cost  0
0.101 * * [simplify]: Extracting # 4 : cost  0
0.101 * * [simplify]: Extracting # 5 : cost  0
0.101 * * [simplify]: iteration  3 :  69  enodes  (cost  7 )
0.131 * * [simplify]: Extracting # 0 : cost  0
0.131 * * [simplify]: Extracting # 1 : cost  0
0.132 * * [simplify]: Extracting # 2 : cost  0
0.132 * * [simplify]: Extracting # 3 : cost  0
0.133 * * [simplify]: Extracting # 4 : cost  0
0.133 * * [simplify]: iteration  4 :  206  enodes  (cost  7 )
0.266 * * [simplify]: Extracting # 0 : cost  0
0.267 * * [simplify]: Extracting # 1 : cost  0
0.268 * * [simplify]: Extracting # 2 : cost  0
0.269 * * [simplify]: Extracting # 3 : cost  0
0.270 * * [simplify]: Extracting # 4 : cost  0
0.275 * * [simplify]: iteration  5 :  1100  enodes  (cost  7 )
0.938 * * [simplify]: Extracting # 0 : cost  0
0.948 * * [simplify]: Extracting # 1 : cost  0
0.959 * * [simplify]: Extracting # 2 : cost  0
0.965 * * [simplify]: Extracting # 3 : cost  0
0.975 * * [simplify]: Extracting # 4 : cost  0
0.987 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
0.987 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
0.988 * * [progress]: iteration 1 / 4
0.988 * * * [progress]: picking best candidate
0.993 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
0.994 * * * [progress]: localizing error
1.008 * * * [progress]: generating rewritten candidates
1.008 * * * [progress]: generating series expansions
1.008 * * * [progress]: simplifying candidates
1.009 * [simplify]: Simplifying:
  
1.009 * * [simplify]: Extracting # 0 : cost  0
1.009 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.009 * * [simplify]: Extracting # 0 : cost  0
1.009 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.009 * [simplify]: Simplified to:
  
1.009 * * * [progress]: adding candidates to table
1.009 * [progress]: [Phase 3 of 3] Extracting.
1.016 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
1.016 * * [simplify]: Extracting # 0 : cost  0
1.016 * * [simplify]: Extracting # 1 : cost  0
1.016 * * [simplify]: Extracting # 2 : cost  0
1.016 * * [simplify]: Extracting # 3 : cost  0
1.016 * * [simplify]: Extracting # 4 : cost  0
1.016 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.016 * * [simplify]: Extracting # 0 : cost  0
1.016 * * [simplify]: iteration done:  6  enodes  (cost  7 )
1.016 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
3.104 * [regime-testing]: Baseline error score: 0.0031253906738342293
3.106 * [regime-testing]: Oracle error score: 0.0031253906738342293
3.106 * [regime-testing]: End program error score: 0.0031253906738342293