5.201 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: Extracting # 3 : cost  0
0.032 * * [simplify]: Extracting # 4 : cost  0
0.032 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  3 :  53  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.052 * * [simplify]: Extracting # 1 : cost  0
0.052 * * [simplify]: Extracting # 2 : cost  0
0.052 * * [simplify]: iteration  4 :  126  enodes  (cost  7 )
0.079 * * [simplify]: Extracting # 0 : cost  0
0.080 * * [simplify]: Extracting # 1 : cost  0
0.080 * * [simplify]: Extracting # 2 : cost  0
0.080 * * [simplify]: iteration  5 :  258  enodes  (cost  7 )
0.199 * * [simplify]: Extracting # 0 : cost  0
0.200 * * [simplify]: Extracting # 1 : cost  0
0.201 * * [simplify]: Extracting # 2 : cost  0
0.201 * * [simplify]: Extracting # 3 : cost  0
0.202 * * [simplify]: iteration  6 :  509  enodes  (cost  7 )
0.364 * * [simplify]: Extracting # 0 : cost  0
0.365 * * [simplify]: Extracting # 1 : cost  0
0.366 * * [simplify]: Extracting # 2 : cost  0
0.366 * * [simplify]: Extracting # 3 : cost  0
0.367 * * [simplify]: Extracting # 4 : cost  0
0.367 * * [simplify]: iteration  7 :  684  enodes  (cost  7 )
0.693 * * [simplify]: Extracting # 0 : cost  0
0.698 * * [simplify]: Extracting # 1 : cost  0
0.703 * * [simplify]: Extracting # 2 : cost  0
0.706 * * [simplify]: Extracting # 3 : cost  0
0.709 * * [simplify]: iteration  8 :  2688  enodes  (cost  7 )
2.790 * * [simplify]: Extracting # 0 : cost  0
2.852 * * [simplify]: Extracting # 1 : cost  0
2.857 * * [simplify]: Extracting # 2 : cost  0
2.861 * * [simplify]: Extracting # 3 : cost  0
2.865 * * [simplify]: Extracting # 4 : cost  0
2.869 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
2.869 * [simplify]: Simplified to:
  (- (* x x) (* y y))
2.872 * * [progress]: iteration 1 / 4
2.872 * * * [progress]: picking best candidate
2.873 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
2.873 * * * [progress]: localizing error
2.878 * * * [progress]: generating rewritten candidates
2.878 * * * [progress]: generating series expansions
2.878 * * * [progress]: simplifying candidates
2.878 * [simplify]: Simplifying:
  
2.878 * * [simplify]: Extracting # 0 : cost  0
2.878 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.878 * * [simplify]: Extracting # 0 : cost  0
2.878 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.878 * [simplify]: Simplified to:
  
2.878 * * * [progress]: adding candidates to table
2.878 * [progress]: [Phase 3 of 3] Extracting.
2.880 * [simplify]: Simplifying:
  (- (* x x) (* y y))
2.880 * * [simplify]: Extracting # 0 : cost  0
2.880 * * [simplify]: Extracting # 1 : cost  0
2.880 * * [simplify]: Extracting # 2 : cost  0
2.880 * * [simplify]: Extracting # 3 : cost  0
2.880 * * [simplify]: Extracting # 4 : cost  0
2.880 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
2.880 * * [simplify]: Extracting # 0 : cost  0
2.880 * * [simplify]: iteration done:  5  enodes  (cost  7 )
2.880 * [simplify]: Simplified to:
  (- (* x x) (* y y))
4.179 * [regime-testing]: Baseline error score: 0.006073879547533586
4.182 * [regime-testing]: Oracle error score: 0.006073879547533586
4.182 * [regime-testing]: End program error score: 0.006073879547533586