19.840 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying:
  (- (- 1.0 x) y)
0.014 * * [simplify]: Extracting # 0 : cost  0
0.014 * * [simplify]: Extracting # 1 : cost  0
0.014 * * [simplify]: Extracting # 2 : cost  0
0.014 * * [simplify]: Extracting # 3 : cost  0
0.014 * * [simplify]: Extracting # 4 : cost  0
0.014 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.015 * * [simplify]: Extracting # 0 : cost  0
0.015 * * [simplify]: Extracting # 1 : cost  0
0.015 * * [simplify]: Extracting # 2 : cost  0
0.015 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
0.016 * * [simplify]: Extracting # 0 : cost  0
0.016 * * [simplify]: Extracting # 1 : cost  0
0.016 * * [simplify]: Extracting # 2 : cost  0
0.016 * * [simplify]: iteration  2 :  22  enodes  (cost  5 )
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  3 :  38  enodes  (cost  5 )
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  4 :  81  enodes  (cost  5 )
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: iteration  5 :  189  enodes  (cost  5 )
0.099 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.100 * * [simplify]: Extracting # 2 : cost  0
0.100 * * [simplify]: iteration  6 :  391  enodes  (cost  5 )
0.255 * * [simplify]: Extracting # 0 : cost  0
0.256 * * [simplify]: Extracting # 1 : cost  0
0.258 * * [simplify]: Extracting # 2 : cost  0
0.260 * * [simplify]: iteration  7 :  1428  enodes  (cost  5 )
2.317 * * [simplify]: Extracting # 0 : cost  0
2.324 * * [simplify]: Extracting # 1 : cost  0
2.330 * * [simplify]: Extracting # 2 : cost  0
2.336 * * [simplify]: iteration done:  5000  enodes  (cost  5 )
2.336 * [simplify]: Simplified to:
  (- (- 1.0 x) y)
2.336 * * [progress]: iteration 1 / 4
2.336 * * * [progress]: picking best candidate
2.337 * * * * [pick]: Picked  #<alt (λ (x y) (- (- 1.0 x) y))>
2.337 * * * [progress]: localizing error
2.341 * * * [progress]: generating rewritten candidates
2.342 * * * [progress]: generating series expansions
2.342 * * * [progress]: simplifying candidates
2.342 * [simplify]: Simplifying:
  
2.342 * * [simplify]: Extracting # 0 : cost  0
2.342 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.342 * * [simplify]: Extracting # 0 : cost  0
2.342 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.342 * [simplify]: Simplified to:
  
2.342 * * * [progress]: adding candidates to table
2.342 * [progress]: [Phase 3 of 3] Extracting.
2.343 * [simplify]: Simplifying:
  (- (- 1.0 x) y)
2.343 * * [simplify]: Extracting # 0 : cost  0
2.343 * * [simplify]: Extracting # 1 : cost  0
2.343 * * [simplify]: Extracting # 2 : cost  0
2.343 * * [simplify]: Extracting # 3 : cost  0
2.343 * * [simplify]: Extracting # 4 : cost  0
2.344 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
2.344 * * [simplify]: Extracting # 0 : cost  0
2.344 * * [simplify]: iteration done:  5  enodes  (cost  5 )
2.344 * [simplify]: Simplified to:
  (- (- 1.0 x) y)
2.973 * [regime-testing]: Baseline error score: 0.0007500937617202151
2.977 * [regime-testing]: Oracle error score: 0.0007500937617202151
2.977 * [regime-testing]: End program error score: 0.0007500937617202151