2.204 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.045 * * * [progress]: [2/2] Setting up program.
0.048 * [progress]: [Phase 2 of 3] Improving.
0.048 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: Extracting # 3 : cost  0
0.048 * * [simplify]: Extracting # 4 : cost  0
0.048 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.051 * * [simplify]: Extracting # 2 : cost  0
0.051 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.054 * * [simplify]: Extracting # 0 : cost  0
0.054 * * [simplify]: Extracting # 1 : cost  0
0.054 * * [simplify]: Extracting # 2 : cost  0
0.054 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: Extracting # 1 : cost  0
0.061 * * [simplify]: Extracting # 2 : cost  0
0.061 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.109 * * [simplify]: Extracting # 0 : cost  0
0.109 * * [simplify]: Extracting # 1 : cost  0
0.110 * * [simplify]: Extracting # 2 : cost  0
0.110 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.181 * * [simplify]: Extracting # 0 : cost  0
0.182 * * [simplify]: Extracting # 1 : cost  0
0.182 * * [simplify]: Extracting # 2 : cost  0
0.182 * * [simplify]: Extracting # 3 : cost  0
0.183 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.270 * * [simplify]: Extracting # 0 : cost  0
0.271 * * [simplify]: Extracting # 1 : cost  0
0.271 * * [simplify]: Extracting # 2 : cost  0
0.272 * * [simplify]: Extracting # 3 : cost  0
0.273 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
1.112 * * [simplify]: Extracting # 0 : cost  0
1.114 * * [simplify]: Extracting # 1 : cost  0
1.116 * * [simplify]: Extracting # 2 : cost  0
1.118 * * [simplify]: Extracting # 3 : cost  0
1.119 * * [simplify]: Extracting # 4 : cost  0
1.121 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.869 * * [simplify]: Extracting # 0 : cost  0
12.884 * * [simplify]: Extracting # 1 : cost  0
12.891 * * [simplify]: Extracting # 2 : cost  0
12.895 * * [simplify]: Extracting # 3 : cost  0
12.899 * * [simplify]: Extracting # 4 : cost  0
12.902 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.902 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
12.906 * * [progress]: iteration 1 / 4
12.906 * * * [progress]: picking best candidate
12.907 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (+ x y)))>
12.907 * * * [progress]: localizing error
12.915 * * * [progress]: generating rewritten candidates
12.915 * * * [progress]: generating series expansions
12.915 * * * [progress]: simplifying candidates
12.915 * [simplify]: Simplifying:
  
12.915 * * [simplify]: Extracting # 0 : cost  0
12.915 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.915 * * [simplify]: Extracting # 0 : cost  0
12.915 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.915 * [simplify]: Simplified to:
  
12.915 * * * [progress]: adding candidates to table
12.916 * [progress]: [Phase 3 of 3] Extracting.
12.917 * [simplify]: Simplifying:
  (* (- x y) (+ x y))
12.918 * * [simplify]: Extracting # 0 : cost  0
12.918 * * [simplify]: Extracting # 1 : cost  0
12.918 * * [simplify]: Extracting # 2 : cost  0
12.918 * * [simplify]: Extracting # 3 : cost  0
12.918 * * [simplify]: Extracting # 4 : cost  0
12.918 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.918 * * [simplify]: Extracting # 0 : cost  0
12.918 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
12.919 * * [simplify]: Extracting # 0 : cost  0
12.919 * * [simplify]: iteration done:  7  enodes  (cost  7 )
12.919 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
13.983 * [regime-testing]: End program error score: 0.0011251406425803225