68.773 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.024 * * [simplify]: Extracting # 3 : cost  0
0.024 * * [simplify]: Extracting # 4 : cost  0
0.024 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.025 * * [simplify]: Extracting # 0 : cost  0
0.025 * * [simplify]: Extracting # 1 : cost  0
0.025 * * [simplify]: Extracting # 2 : cost  0
0.025 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  4 :  58  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  5 :  129  enodes  (cost  7 )
0.088 * * [simplify]: Extracting # 0 : cost  0
0.088 * * [simplify]: Extracting # 1 : cost  0
0.088 * * [simplify]: Extracting # 2 : cost  0
0.088 * * [simplify]: Extracting # 3 : cost  0
0.088 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.175 * * [simplify]: Extracting # 0 : cost  0
0.175 * * [simplify]: Extracting # 1 : cost  0
0.176 * * [simplify]: Extracting # 2 : cost  0
0.176 * * [simplify]: Extracting # 3 : cost  0
0.177 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.767 * * [simplify]: Extracting # 0 : cost  0
0.770 * * [simplify]: Extracting # 1 : cost  0
0.772 * * [simplify]: Extracting # 2 : cost  0
0.774 * * [simplify]: Extracting # 3 : cost  0
0.776 * * [simplify]: Extracting # 4 : cost  0
0.779 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.254 * * [simplify]: Extracting # 0 : cost  0
12.275 * * [simplify]: Extracting # 1 : cost  0
12.281 * * [simplify]: Extracting # 2 : cost  0
12.286 * * [simplify]: Extracting # 3 : cost  0
12.291 * * [simplify]: Extracting # 4 : cost  0
12.299 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.299 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
12.304 * * [progress]: iteration 1 / 4
12.304 * * * [progress]: picking best candidate
12.306 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
12.306 * * * [progress]: localizing error
12.317 * * * [progress]: generating rewritten candidates
12.317 * * * [progress]: generating series expansions
12.317 * * * [progress]: simplifying candidates
12.318 * [simplify]: Simplifying:
  
12.318 * * [simplify]: Extracting # 0 : cost  0
12.318 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.318 * * [simplify]: Extracting # 0 : cost  0
12.318 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.318 * [simplify]: Simplified to:
  
12.318 * * * [progress]: adding candidates to table
12.318 * [progress]: [Phase 3 of 3] Extracting.
12.321 * [simplify]: Simplifying:
  (- (* x x) (* y y))
12.321 * * [simplify]: Extracting # 0 : cost  0
12.321 * * [simplify]: Extracting # 1 : cost  0
12.321 * * [simplify]: Extracting # 2 : cost  0
12.321 * * [simplify]: Extracting # 3 : cost  0
12.321 * * [simplify]: Extracting # 4 : cost  0
12.321 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.322 * * [simplify]: Extracting # 0 : cost  0
12.322 * * [simplify]: iteration done:  5  enodes  (cost  7 )
12.322 * [simplify]: Simplified to:
  (- (* x x) (* y y))
13.598 * [regime-testing]: Baseline error score: 0.007029481021439666
13.600 * [regime-testing]: Oracle error score: 0.007029481021439666
13.600 * [regime-testing]: End program error score: 0.007029481021439666