13.665 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (+ x y) (- x y))
0.027 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.028 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.029 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
0.033 * * [simplify]: iteration  3 :  53  enodes  (cost  7 )
0.040 * * [simplify]: iteration  4 :  98  enodes  (cost  7 )
0.054 * * [simplify]: iteration  5 :  157  enodes  (cost  7 )
0.079 * * [simplify]: iteration  6 :  222  enodes  (cost  7 )
0.113 * * [simplify]: iteration  7 :  335  enodes  (cost  7 )
0.190 * * [simplify]: iteration  8 :  1034  enodes  (cost  7 )
0.658 * * [simplify]: iteration  done :  5000  enodes  (cost  7 )
0.659 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.659 * * [progress]: iteration 1 / 4
0.659 * * * [progress]: picking best candidate
0.667 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.667 * * * [progress]: localizing error
0.671 * * * [progress]: generating rewritten candidates
0.671 * * * [progress]: generating series expansions
0.671 * * * [progress]: simplifying candidates
0.671 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
0.672 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.672 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
0.672 * [simplify]: Simplified to:
   
0.672 * * * [progress]: adding candidates to table
0.672 * [progress]: [Phase 3 of 3] Extracting.
0.674 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (+ x y) (- x y))
0.675 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.675 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.675 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
0.675 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
1.597 * [regime-testing]: End program error score: 0.0007500937617202151