5.051 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: Extracting # 3 : cost  0
0.023 * * [simplify]: Extracting # 4 : cost  0
0.023 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.024 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.025 * * [simplify]: Extracting # 0 : cost  0
0.025 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.028 * * [simplify]: Extracting # 2 : cost  0
0.028 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.106 * * [simplify]: Extracting # 0 : cost  0
0.106 * * [simplify]: Extracting # 1 : cost  0
0.106 * * [simplify]: Extracting # 2 : cost  0
0.106 * * [simplify]: Extracting # 3 : cost  0
0.106 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.203 * * [simplify]: Extracting # 0 : cost  0
0.203 * * [simplify]: Extracting # 1 : cost  0
0.203 * * [simplify]: Extracting # 2 : cost  0
0.204 * * [simplify]: Extracting # 3 : cost  0
0.204 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.835 * * [simplify]: Extracting # 0 : cost  0
0.839 * * [simplify]: Extracting # 1 : cost  0
0.842 * * [simplify]: Extracting # 2 : cost  0
0.845 * * [simplify]: Extracting # 3 : cost  0
0.848 * * [simplify]: Extracting # 4 : cost  0
0.851 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.851 * * [simplify]: Extracting # 0 : cost  0
12.866 * * [simplify]: Extracting # 1 : cost  0
12.870 * * [simplify]: Extracting # 2 : cost  0
12.874 * * [simplify]: Extracting # 3 : cost  0
12.878 * * [simplify]: Extracting # 4 : cost  0
12.884 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.884 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
12.887 * * [progress]: iteration 1 / 4
12.887 * * * [progress]: picking best candidate
12.889 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (+ x y)))>
12.889 * * * [progress]: localizing error
12.896 * * * [progress]: generating rewritten candidates
12.897 * * * [progress]: generating series expansions
12.897 * * * [progress]: simplifying candidates
12.897 * [simplify]: Simplifying:
  
12.897 * * [simplify]: Extracting # 0 : cost  0
12.897 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.897 * * [simplify]: Extracting # 0 : cost  0
12.897 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.897 * [simplify]: Simplified to:
  
12.897 * * * [progress]: adding candidates to table
12.897 * [progress]: [Phase 3 of 3] Extracting.
12.899 * [simplify]: Simplifying:
  (* (- x y) (+ x y))
12.899 * * [simplify]: Extracting # 0 : cost  0
12.899 * * [simplify]: Extracting # 1 : cost  0
12.899 * * [simplify]: Extracting # 2 : cost  0
12.899 * * [simplify]: Extracting # 3 : cost  0
12.899 * * [simplify]: Extracting # 4 : cost  0
12.899 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.900 * * [simplify]: Extracting # 0 : cost  0
12.900 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
12.900 * * [simplify]: Extracting # 0 : cost  0
12.900 * * [simplify]: iteration done:  7  enodes  (cost  7 )
12.900 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
13.958 * [regime-testing]: End program error score: 0.0011251406425803225