8.510 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (- 1.0 x) y)
0.014 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.015 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
0.016 * * [simplify]: iteration  2 :  22  enodes  (cost  5 )
0.019 * * [simplify]: iteration  3 :  38  enodes  (cost  5 )
0.024 * * [simplify]: iteration  4 :  47  enodes  (cost  5 )
0.029 * * [simplify]: iteration  5 :  55  enodes  (cost  5 )
0.035 * * [simplify]: iteration  6 :  69  enodes  (cost  5 )
0.050 * * [simplify]: iteration  7 :  92  enodes  (cost  5 )
0.059 * * [simplify]: iteration  8 :  98  enodes  (cost  5 )
0.069 * * [simplify]: iteration  9 :  108  enodes  (cost  5 )
0.080 * * [simplify]: iteration  10 :  117  enodes  (cost  5 )
0.091 * * [simplify]: iteration  11 :  119  enodes  (cost  5 )
0.104 * * [simplify]: iteration  12 :  123  enodes  (cost  5 )
0.116 * * [simplify]: iteration  done :  123  enodes  (cost  5 )
0.116 * [simplify]: Simplified to:
   (- (- 1.0 x) y)
0.116 * * [progress]: iteration 1 / 4
0.116 * * * [progress]: picking best candidate
0.118 * * * * [pick]: Picked  #<alt (λ (x y) (- (- 1.0 x) y))>
0.118 * * * [progress]: localizing error
0.122 * * * [progress]: generating rewritten candidates
0.122 * * * [progress]: generating series expansions
0.122 * * * [progress]: simplifying candidates
0.122 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
0.122 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.123 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
0.123 * [simplify]: Simplified to:
   
0.123 * * * [progress]: adding candidates to table
0.123 * [progress]: [Phase 3 of 3] Extracting.
0.125 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (- 1.0 x) y)
0.125 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.125 * * [simplify]: iteration  done :  5  enodes  (cost  5 )
0.125 * [simplify]: Simplified to:
   (- (- 1.0 x) y)
0.654 * [regime-testing]: End program error score: 0.0010001250156269534