4.922 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.019 * * [simplify]: Extracting # 0 : cost  0
0.019 * * [simplify]: Extracting # 1 : cost  0
0.019 * * [simplify]: Extracting # 2 : cost  0
0.019 * * [simplify]: Extracting # 3 : cost  0
0.019 * * [simplify]: Extracting # 4 : cost  0
0.019 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.025 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.075 * * [simplify]: Extracting # 1 : cost  0
0.075 * * [simplify]: Extracting # 2 : cost  0
0.075 * * [simplify]: Extracting # 3 : cost  0
0.076 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.130 * * [simplify]: Extracting # 0 : cost  0
0.131 * * [simplify]: Extracting # 1 : cost  0
0.131 * * [simplify]: Extracting # 2 : cost  0
0.131 * * [simplify]: Extracting # 3 : cost  0
0.132 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.646 * * [simplify]: Extracting # 0 : cost  0
0.648 * * [simplify]: Extracting # 1 : cost  0
0.650 * * [simplify]: Extracting # 2 : cost  0
0.651 * * [simplify]: Extracting # 3 : cost  0
0.652 * * [simplify]: Extracting # 4 : cost  0
0.654 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
9.001 * * [simplify]: Extracting # 0 : cost  0
9.012 * * [simplify]: Extracting # 1 : cost  0
9.015 * * [simplify]: Extracting # 2 : cost  0
9.018 * * [simplify]: Extracting # 3 : cost  0
9.020 * * [simplify]: Extracting # 4 : cost  0
9.023 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
9.023 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
9.025 * * [progress]: iteration 1 / 4
9.025 * * * [progress]: picking best candidate
9.026 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (+ x y)))>
9.026 * * * [progress]: localizing error
9.031 * * * [progress]: generating rewritten candidates
9.031 * * * [progress]: generating series expansions
9.031 * * * [progress]: simplifying candidates
9.031 * [simplify]: Simplifying:
  
9.031 * * [simplify]: Extracting # 0 : cost  0
9.031 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
9.031 * * [simplify]: Extracting # 0 : cost  0
9.031 * * [simplify]: iteration done:  0  enodes  (cost  0 )
9.031 * [simplify]: Simplified to:
  
9.031 * * * [progress]: adding candidates to table
9.031 * [progress]: [Phase 3 of 3] Extracting.
9.033 * [simplify]: Simplifying:
  (* (- x y) (+ x y))
9.033 * * [simplify]: Extracting # 0 : cost  0
9.033 * * [simplify]: Extracting # 1 : cost  0
9.033 * * [simplify]: Extracting # 2 : cost  0
9.033 * * [simplify]: Extracting # 3 : cost  0
9.033 * * [simplify]: Extracting # 4 : cost  0
9.033 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
9.033 * * [simplify]: Extracting # 0 : cost  0
9.033 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
9.033 * * [simplify]: Extracting # 0 : cost  0
9.033 * * [simplify]: iteration done:  7  enodes  (cost  7 )
9.033 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
9.611 * [regime-testing]: End program error score: 0.0007500937617202151