10.319 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.074 * * * [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 )
0.086 * * [simplify]: Extracting # 0 : cost  0
0.086 * * [simplify]: Extracting # 1 : cost  0
0.086 * * [simplify]: Extracting # 2 : cost  0
0.086 * * [simplify]: Extracting # 3 : cost  0
0.086 * * [simplify]: Extracting # 4 : cost  0
0.087 * * [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]: Extracting # 4 : cost  0
0.090 * * [simplify]: iteration  2 :  30  enodes  (cost  7 )
0.097 * * [simplify]: Extracting # 0 : cost  0
0.097 * * [simplify]: Extracting # 1 : cost  0
0.098 * * [simplify]: Extracting # 2 : cost  0
0.098 * * [simplify]: Extracting # 3 : cost  0
0.098 * * [simplify]: Extracting # 4 : cost  0
0.098 * * [simplify]: iteration  3 :  74  enodes  (cost  7 )
0.124 * * [simplify]: Extracting # 0 : cost  0
0.125 * * [simplify]: Extracting # 1 : cost  0
0.125 * * [simplify]: Extracting # 2 : cost  0
0.126 * * [simplify]: Extracting # 3 : cost  0
0.127 * * [simplify]: Extracting # 4 : cost  0
0.127 * * [simplify]: iteration  4 :  213  enodes  (cost  7 )
0.277 * * [simplify]: Extracting # 0 : cost  0
0.278 * * [simplify]: Extracting # 1 : cost  0
0.278 * * [simplify]: Extracting # 2 : cost  0
0.279 * * [simplify]: Extracting # 3 : cost  0
0.279 * * [simplify]: Extracting # 4 : cost  0
0.280 * * [simplify]: iteration  5 :  658  enodes  (cost  7 )
1.226 * * [simplify]: Extracting # 0 : cost  0
1.232 * * [simplify]: Extracting # 1 : cost  0
1.235 * * [simplify]: Extracting # 2 : cost  0
1.239 * * [simplify]: Extracting # 3 : cost  0
1.242 * * [simplify]: Extracting # 4 : cost  0
1.246 * * [simplify]: iteration  6 :  3171  enodes  (cost  7 )
3.054 * * [simplify]: Extracting # 0 : cost  0
3.060 * * [simplify]: Extracting # 1 : cost  0
3.071 * * [simplify]: Extracting # 2 : cost  0
3.077 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
3.077 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
3.077 * * [progress]: iteration 1 / 4
3.077 * * * [progress]: picking best candidate
3.079 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
3.079 * * * [progress]: localizing error
3.092 * * * [progress]: generating rewritten candidates
3.092 * * * [progress]: generating series expansions
3.092 * * * [progress]: simplifying candidates
3.092 * [simplify]: Simplifying:
  
3.092 * * [simplify]: Extracting # 0 : cost  0
3.092 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.092 * * [simplify]: Extracting # 0 : cost  0
3.092 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.092 * [simplify]: Simplified to:
  
3.092 * * * [progress]: adding candidates to table
3.093 * [progress]: [Phase 3 of 3] Extracting.
3.096 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
3.097 * * [simplify]: Extracting # 0 : cost  0
3.097 * * [simplify]: Extracting # 1 : cost  0
3.097 * * [simplify]: Extracting # 2 : cost  0
3.097 * * [simplify]: Extracting # 3 : cost  0
3.097 * * [simplify]: Extracting # 4 : cost  0
3.097 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
3.097 * * [simplify]: Extracting # 0 : cost  0
3.097 * * [simplify]: iteration done:  6  enodes  (cost  7 )
3.097 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
5.232 * [regime-testing]: End program error score: 0.002750343792974122