1.710 * [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 using  #<procedure:simplify-batch-regraph> :
   (* (+ x y) (- x y))
0.020 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.021 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.022 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
0.026 * * [simplify]: iteration  3 :  52  enodes  (cost  7 )
0.038 * * [simplify]: iteration  4 :  93  enodes  (cost  7 )
0.055 * * [simplify]: iteration  5 :  146  enodes  (cost  7 )
0.090 * * [simplify]: iteration  6 :  211  enodes  (cost  7 )
0.150 * * [simplify]: iteration  7 :  321  enodes  (cost  7 )
0.480 * * [simplify]: iteration  8 :  939  enodes  (cost  7 )
3.533 * * [simplify]: iteration  9 :  3221  enodes  (cost  7 )
5.876 * * [simplify]: iteration  done :  5000  enodes  (cost  7 )
5.877 * [simplify]: Simplified to:
   (* (- x y) (+ x y))
5.879 * * [progress]: iteration 1 / 4
5.879 * * * [progress]: picking best candidate
5.881 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
5.881 * * * [progress]: localizing error
5.886 * * * [progress]: generating rewritten candidates
5.886 * * * [progress]: generating series expansions
5.886 * * * [progress]: simplifying candidates
5.887 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
5.887 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
5.887 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
5.887 * [simplify]: Simplified to:
   
5.888 * * * [progress]: adding candidates to table
5.888 * [progress]: [Phase 3 of 3] Extracting.
5.889 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (+ x y) (- x y))
5.890 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
5.890 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
5.890 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
5.890 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
6.410 * [regime-testing]: End program error score: 0.0007500937617202151