21.706 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.039 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: Extracting # 3 : cost  0
0.039 * * [simplify]: Extracting # 4 : cost  0
0.039 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.060 * * [simplify]: Extracting # 1 : cost  0
0.060 * * [simplify]: Extracting # 2 : cost  0
0.060 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.087 * * [simplify]: Extracting # 0 : cost  0
0.088 * * [simplify]: Extracting # 1 : cost  0
0.088 * * [simplify]: Extracting # 2 : cost  0
0.088 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.163 * * [simplify]: Extracting # 0 : cost  0
0.164 * * [simplify]: Extracting # 1 : cost  0
0.164 * * [simplify]: Extracting # 2 : cost  0
0.165 * * [simplify]: Extracting # 3 : cost  0
0.165 * * [simplify]: iteration  6 :  372  enodes  (cost  7 )
0.374 * * [simplify]: Extracting # 0 : cost  0
0.374 * * [simplify]: Extracting # 1 : cost  0
0.375 * * [simplify]: Extracting # 2 : cost  0
0.375 * * [simplify]: Extracting # 3 : cost  0
0.376 * * [simplify]: Extracting # 4 : cost  0
0.377 * * [simplify]: iteration  7 :  916  enodes  (cost  7 )
2.110 * * [simplify]: Extracting # 0 : cost  0
2.119 * * [simplify]: Extracting # 1 : cost  0
2.123 * * [simplify]: Extracting # 2 : cost  0
2.126 * * [simplify]: Extracting # 3 : cost  0
2.129 * * [simplify]: Extracting # 4 : cost  0
2.133 * * [simplify]: iteration  8 :  3785  enodes  (cost  7 )
4.038 * * [simplify]: Extracting # 0 : cost  0
4.053 * * [simplify]: Extracting # 1 : cost  0
4.058 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
4.059 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
4.062 * * [progress]: iteration 1 / 4
4.062 * * * [progress]: picking best candidate
4.064 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
4.064 * * * [progress]: localizing error
4.071 * * * [progress]: generating rewritten candidates
4.071 * * * [progress]: generating series expansions
4.071 * * * [progress]: simplifying candidates
4.071 * [simplify]: Simplifying:
  
4.071 * * [simplify]: Extracting # 0 : cost  0
4.071 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
4.071 * * [simplify]: Extracting # 0 : cost  0
4.071 * * [simplify]: iteration done:  0  enodes  (cost  0 )
4.071 * [simplify]: Simplified to:
  
4.072 * * * [progress]: adding candidates to table
4.072 * [progress]: [Phase 3 of 3] Extracting.
4.074 * [simplify]: Simplifying:
  (- (* x x) (* y y))
4.074 * * [simplify]: Extracting # 0 : cost  0
4.074 * * [simplify]: Extracting # 1 : cost  0
4.074 * * [simplify]: Extracting # 2 : cost  0
4.074 * * [simplify]: Extracting # 3 : cost  0
4.074 * * [simplify]: Extracting # 4 : cost  0
4.074 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
4.074 * * [simplify]: Extracting # 0 : cost  0
4.075 * * [simplify]: iteration done:  5  enodes  (cost  7 )
4.075 * [simplify]: Simplified to:
  (- (* x x) (* y y))
5.085 * [regime-testing]: Baseline error score: 0.005823848293626848
5.088 * [regime-testing]: Oracle error score: 0.005823848293626848
5.088 * [regime-testing]: End program error score: 0.005823848293626848