8.436 * [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.
0.035 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [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 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.062 * * [simplify]: Extracting # 0 : cost  0
0.062 * * [simplify]: Extracting # 1 : cost  0
0.062 * * [simplify]: Extracting # 2 : cost  0
0.062 * * [simplify]: iteration  4 :  58  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]: iteration  5 :  129  enodes  (cost  7 )
0.126 * * [simplify]: Extracting # 0 : cost  0
0.127 * * [simplify]: Extracting # 1 : cost  0
0.127 * * [simplify]: Extracting # 2 : cost  0
0.127 * * [simplify]: Extracting # 3 : cost  0
0.127 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.189 * * [simplify]: Extracting # 0 : cost  0
0.189 * * [simplify]: Extracting # 1 : cost  0
0.189 * * [simplify]: Extracting # 2 : cost  0
0.190 * * [simplify]: Extracting # 3 : cost  0
0.190 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.770 * * [simplify]: Extracting # 0 : cost  0
0.771 * * [simplify]: Extracting # 1 : cost  0
0.773 * * [simplify]: Extracting # 2 : cost  0
0.778 * * [simplify]: Extracting # 3 : cost  0
0.779 * * [simplify]: Extracting # 4 : cost  0
0.781 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.948 * * [simplify]: Extracting # 0 : cost  0
12.960 * * [simplify]: Extracting # 1 : cost  0
12.965 * * [simplify]: Extracting # 2 : cost  0
12.971 * * [simplify]: Extracting # 3 : cost  0
12.976 * * [simplify]: Extracting # 4 : cost  0
12.982 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.982 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
12.986 * * [progress]: iteration 1 / 4
12.986 * * * [progress]: picking best candidate
12.988 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
12.989 * * * [progress]: localizing error
12.998 * * * [progress]: generating rewritten candidates
12.998 * * * [progress]: generating series expansions
12.998 * * * [progress]: simplifying candidates
12.999 * [simplify]: Simplifying:
  
12.999 * * [simplify]: Extracting # 0 : cost  0
12.999 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.999 * * [simplify]: Extracting # 0 : cost  0
12.999 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.999 * [simplify]: Simplified to:
  
12.999 * * * [progress]: adding candidates to table
13.000 * [progress]: [Phase 3 of 3] Extracting.
13.002 * [simplify]: Simplifying:
  (- (* x x) (* y y))
13.002 * * [simplify]: Extracting # 0 : cost  0
13.002 * * [simplify]: Extracting # 1 : cost  0
13.002 * * [simplify]: Extracting # 2 : cost  0
13.002 * * [simplify]: Extracting # 3 : cost  0
13.002 * * [simplify]: Extracting # 4 : cost  0
13.002 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.003 * * [simplify]: Extracting # 0 : cost  0
13.003 * * [simplify]: iteration done:  5  enodes  (cost  7 )
13.003 * [simplify]: Simplified to:
  (- (* x x) (* y y))
14.724 * [regime-testing]: Baseline error score: 0.007029481021439666
14.726 * [regime-testing]: Oracle error score: 0.007029481021439666
14.726 * [regime-testing]: End program error score: 0.007029481021439666