12.202 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.069 * * * [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))
0.077 * * [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  0 :  6  enodes  (cost  7 )
0.079 * * [simplify]: Extracting # 0 : cost  0
0.079 * * [simplify]: Extracting # 1 : cost  0
0.080 * * [simplify]: Extracting # 2 : cost  0
0.080 * * [simplify]: Extracting # 3 : cost  0
0.080 * * [simplify]: Extracting # 4 : cost  0
0.080 * * [simplify]: iteration  1 :  14  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
0.085 * * [simplify]: Extracting # 4 : cost  0
0.085 * * [simplify]: iteration  2 :  29  enodes  (cost  7 )
0.098 * * [simplify]: Extracting # 0 : cost  0
0.098 * * [simplify]: Extracting # 1 : cost  0
0.098 * * [simplify]: Extracting # 2 : cost  0
0.099 * * [simplify]: Extracting # 3 : cost  0
0.099 * * [simplify]: Extracting # 4 : cost  0
0.099 * * [simplify]: Extracting # 5 : cost  0
0.099 * * [simplify]: iteration  3 :  69  enodes  (cost  7 )
0.153 * * [simplify]: Extracting # 0 : cost  0
0.154 * * [simplify]: Extracting # 1 : cost  0
0.154 * * [simplify]: Extracting # 2 : cost  0
0.154 * * [simplify]: Extracting # 3 : cost  0
0.155 * * [simplify]: Extracting # 4 : cost  0
0.156 * * [simplify]: iteration  4 :  205  enodes  (cost  7 )
0.315 * * [simplify]: Extracting # 0 : cost  0
0.316 * * [simplify]: Extracting # 1 : cost  0
0.318 * * [simplify]: Extracting # 2 : cost  0
0.319 * * [simplify]: Extracting # 3 : cost  0
0.320 * * [simplify]: Extracting # 4 : cost  0
0.321 * * [simplify]: iteration  5 :  1087  enodes  (cost  7 )
1.097 * * [simplify]: Extracting # 0 : cost  0
1.116 * * [simplify]: Extracting # 1 : cost  0
1.128 * * [simplify]: Extracting # 2 : cost  0
1.139 * * [simplify]: Extracting # 3 : cost  0
1.150 * * [simplify]: Extracting # 4 : cost  0
1.160 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
1.161 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
1.161 * * [progress]: iteration 1 / 4
1.161 * * * [progress]: picking best candidate
1.167 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
1.167 * * * [progress]: localizing error
1.182 * * * [progress]: generating rewritten candidates
1.182 * * * [progress]: generating series expansions
1.182 * * * [progress]: simplifying candidates
1.182 * [simplify]: Simplifying:
  
1.182 * * [simplify]: Extracting # 0 : cost  0
1.182 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.182 * * [simplify]: Extracting # 0 : cost  0
1.182 * * [simplify]: iteration done:  0  enodes  (cost  0 )
1.182 * [simplify]: Simplified to:
  
1.182 * * * [progress]: adding candidates to table
1.183 * [progress]: [Phase 3 of 3] Extracting.
1.188 * [simplify]: Simplifying:
  (- (pow x 4.0) (pow y 4.0))
1.189 * * [simplify]: Extracting # 0 : cost  0
1.189 * * [simplify]: Extracting # 1 : cost  0
1.189 * * [simplify]: Extracting # 2 : cost  0
1.189 * * [simplify]: Extracting # 3 : cost  0
1.189 * * [simplify]: Extracting # 4 : cost  0
1.189 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.189 * * [simplify]: Extracting # 0 : cost  0
1.189 * * [simplify]: iteration done:  6  enodes  (cost  7 )
1.189 * [simplify]: Simplified to:
  (- (pow x 4.0) (pow y 4.0))
3.811 * [regime-testing]: Baseline error score: 0.0017502187773471684
3.815 * [regime-testing]: Oracle error score: 0.0017502187773471684
3.815 * [regime-testing]: End program error score: 0.0017502187773471684