11.002 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.065 * * * [progress]: [2/2] Setting up program.
0.069 * [progress]: [Phase 2 of 3] Improving.
0.069 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
0.069 * * [simplify]: Extracting # 0 : cost  0
0.069 * * [simplify]: Extracting # 1 : cost  0
0.069 * * [simplify]: Extracting # 2 : cost  0
0.069 * * [simplify]: Extracting # 3 : cost  0
0.069 * * [simplify]: Extracting # 4 : cost  0
0.069 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.072 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.072 * * [simplify]: Extracting # 3 : cost  0
0.072 * * [simplify]: Extracting # 4 : cost  0
0.072 * * [simplify]: iteration  1 :  14  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  2 :  30  enodes  (cost  7 )
0.091 * * [simplify]: Extracting # 0 : cost  0
0.091 * * [simplify]: Extracting # 1 : cost  0
0.091 * * [simplify]: Extracting # 2 : cost  0
0.091 * * [simplify]: Extracting # 3 : cost  0
0.092 * * [simplify]: Extracting # 4 : cost  0
0.092 * * [simplify]: iteration  3 :  74  enodes  (cost  7 )
0.119 * * [simplify]: Extracting # 0 : cost  0
0.119 * * [simplify]: Extracting # 1 : cost  0
0.119 * * [simplify]: Extracting # 2 : cost  0
0.120 * * [simplify]: Extracting # 3 : cost  0
0.120 * * [simplify]: Extracting # 4 : cost  0
0.120 * * [simplify]: iteration  4 :  213  enodes  (cost  7 )
0.254 * * [simplify]: Extracting # 0 : cost  0
0.255 * * [simplify]: Extracting # 1 : cost  0
0.255 * * [simplify]: Extracting # 2 : cost  0
0.256 * * [simplify]: Extracting # 3 : cost  0
0.256 * * [simplify]: Extracting # 4 : cost  0
0.257 * * [simplify]: iteration  5 :  658  enodes  (cost  7 )
1.214 * * [simplify]: Extracting # 0 : cost  0
1.220 * * [simplify]: Extracting # 1 : cost  0
1.226 * * [simplify]: Extracting # 2 : cost  0
1.231 * * [simplify]: Extracting # 3 : cost  0
1.236 * * [simplify]: Extracting # 4 : cost  0
1.247 * * [simplify]: iteration  6 :  3171  enodes  (cost  7 )
2.997 * * [simplify]: Extracting # 0 : cost  0
3.008 * * [simplify]: Extracting # 1 : cost  0
3.018 * * [simplify]: Extracting # 2 : cost  0
3.028 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
3.028 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
3.029 * * [progress]: iteration 1 / 4
3.029 * * * [progress]: picking best candidate
3.032 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
3.033 * * * [progress]: localizing error
3.046 * * * [progress]: generating rewritten candidates
3.046 * * * [progress]: generating series expansions
3.046 * * * [progress]: simplifying candidates
3.046 * [simplify]: Simplifying:
  
3.046 * * [simplify]: Extracting # 0 : cost  0
3.046 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.046 * * [simplify]: Extracting # 0 : cost  0
3.046 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.046 * [simplify]: Simplified to:
  
3.046 * * * [progress]: adding candidates to table
3.047 * [progress]: [Phase 3 of 3] Extracting.
3.051 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
3.051 * * [simplify]: Extracting # 0 : cost  0
3.051 * * [simplify]: Extracting # 1 : cost  0
3.051 * * [simplify]: Extracting # 2 : cost  0
3.051 * * [simplify]: Extracting # 3 : cost  0
3.051 * * [simplify]: Extracting # 4 : cost  0
3.051 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
3.051 * * [simplify]: Extracting # 0 : cost  0
3.051 * * [simplify]: iteration done:  6  enodes  (cost  7 )
3.051 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
5.851 * [regime-testing]: End program error score: 0.002750343792974122