9.815 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: Extracting # 3 : cost  0
0.034 * * [simplify]: Extracting # 4 : cost  0
0.034 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.036 * * [simplify]: Extracting # 1 : cost  0
0.036 * * [simplify]: Extracting # 2 : cost  0
0.036 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: Extracting # 1 : cost  0
0.038 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.055 * * [simplify]: Extracting # 0 : cost  0
0.055 * * [simplify]: Extracting # 1 : cost  0
0.055 * * [simplify]: Extracting # 2 : cost  0
0.055 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.079 * * [simplify]: Extracting # 2 : cost  0
0.079 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.115 * * [simplify]: Extracting # 0 : cost  0
0.115 * * [simplify]: Extracting # 1 : cost  0
0.115 * * [simplify]: Extracting # 2 : cost  0
0.115 * * [simplify]: Extracting # 3 : cost  0
0.116 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.178 * * [simplify]: Extracting # 0 : cost  0
0.178 * * [simplify]: Extracting # 1 : cost  0
0.179 * * [simplify]: Extracting # 2 : cost  0
0.179 * * [simplify]: Extracting # 3 : cost  0
0.179 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.860 * * [simplify]: Extracting # 0 : cost  0
0.862 * * [simplify]: Extracting # 1 : cost  0
0.864 * * [simplify]: Extracting # 2 : cost  0
0.865 * * [simplify]: Extracting # 3 : cost  0
0.867 * * [simplify]: Extracting # 4 : cost  0
0.869 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
13.517 * * [simplify]: Extracting # 0 : cost  0
13.541 * * [simplify]: Extracting # 1 : cost  0
13.547 * * [simplify]: Extracting # 2 : cost  0
13.551 * * [simplify]: Extracting # 3 : cost  0
13.555 * * [simplify]: Extracting # 4 : cost  0
13.558 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
13.559 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
13.561 * * [progress]: iteration 1 / 4
13.561 * * * [progress]: picking best candidate
13.562 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
13.562 * * * [progress]: localizing error
13.567 * * * [progress]: generating rewritten candidates
13.567 * * * [progress]: generating series expansions
13.567 * * * [progress]: simplifying candidates
13.568 * [simplify]: Simplifying:
  
13.568 * * [simplify]: Extracting # 0 : cost  0
13.568 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
13.568 * * [simplify]: Extracting # 0 : cost  0
13.568 * * [simplify]: iteration done:  0  enodes  (cost  0 )
13.568 * [simplify]: Simplified to:
  
13.568 * * * [progress]: adding candidates to table
13.568 * [progress]: [Phase 3 of 3] Extracting.
13.569 * [simplify]: Simplifying:
  (- (* x x) (* y y))
13.569 * * [simplify]: Extracting # 0 : cost  0
13.569 * * [simplify]: Extracting # 1 : cost  0
13.569 * * [simplify]: Extracting # 2 : cost  0
13.569 * * [simplify]: Extracting # 3 : cost  0
13.569 * * [simplify]: Extracting # 4 : cost  0
13.570 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.570 * * [simplify]: Extracting # 0 : cost  0
13.570 * * [simplify]: iteration done:  5  enodes  (cost  7 )
13.570 * [simplify]: Simplified to:
  (- (* x x) (* y y))
15.161 * [regime-testing]: Baseline error score: 0.007029481021439666
15.162 * [regime-testing]: Oracle error score: 0.007029481021439666
15.163 * [regime-testing]: End program error score: 0.007029481021439666