10.116 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: Extracting # 3 : cost  0
0.035 * * [simplify]: Extracting # 4 : cost  0
0.035 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.046 * * [simplify]: Extracting # 1 : cost  0
0.046 * * [simplify]: Extracting # 2 : cost  0
0.046 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: Extracting # 1 : cost  0
0.057 * * [simplify]: Extracting # 2 : cost  0
0.057 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.079 * * [simplify]: Extracting # 1 : cost  0
0.079 * * [simplify]: Extracting # 2 : cost  0
0.079 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.121 * * [simplify]: Extracting # 0 : cost  0
0.121 * * [simplify]: Extracting # 1 : cost  0
0.121 * * [simplify]: Extracting # 2 : cost  0
0.121 * * [simplify]: Extracting # 3 : cost  0
0.122 * * [simplify]: iteration  6 :  278  enodes  (cost  7 )
0.225 * * [simplify]: Extracting # 0 : cost  0
0.225 * * [simplify]: Extracting # 1 : cost  0
0.226 * * [simplify]: Extracting # 2 : cost  0
0.226 * * [simplify]: Extracting # 3 : cost  0
0.226 * * [simplify]: iteration  7 :  705  enodes  (cost  7 )
1.182 * * [simplify]: Extracting # 0 : cost  0
1.187 * * [simplify]: Extracting # 1 : cost  0
1.191 * * [simplify]: Extracting # 2 : cost  0
1.194 * * [simplify]: Extracting # 3 : cost  0
1.196 * * [simplify]: Extracting # 4 : cost  0
1.199 * * [simplify]: iteration  8 :  3149  enodes  (cost  7 )
3.360 * * [simplify]: Extracting # 0 : cost  0
3.382 * * [simplify]: Extracting # 1 : cost  0
3.389 * * [simplify]: Extracting # 2 : cost  0
3.395 * * [simplify]: Extracting # 3 : cost  0
3.407 * * [simplify]: Extracting # 4 : cost  0
3.413 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
3.413 * [simplify]: Simplified to:
  (* (+ b a) (- a b))
3.417 * * [progress]: iteration 1 / 4
3.417 * * * [progress]: picking best candidate
3.419 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
3.419 * * * [progress]: localizing error
3.428 * * * [progress]: generating rewritten candidates
3.428 * * * [progress]: generating series expansions
3.428 * * * [progress]: simplifying candidates
3.429 * [simplify]: Simplifying:
  
3.429 * * [simplify]: Extracting # 0 : cost  0
3.429 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.429 * * [simplify]: Extracting # 0 : cost  0
3.429 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.429 * [simplify]: Simplified to:
  
3.429 * * * [progress]: adding candidates to table
3.429 * [progress]: [Phase 3 of 3] Extracting.
3.432 * [simplify]: Simplifying:
  (- (* a a) (* b b))
3.432 * * [simplify]: Extracting # 0 : cost  0
3.432 * * [simplify]: Extracting # 1 : cost  0
3.432 * * [simplify]: Extracting # 2 : cost  0
3.432 * * [simplify]: Extracting # 3 : cost  0
3.432 * * [simplify]: Extracting # 4 : cost  0
3.432 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
3.433 * * [simplify]: Extracting # 0 : cost  0
3.433 * * [simplify]: iteration done:  5  enodes  (cost  7 )
3.433 * [simplify]: Simplified to:
  (- (* a a) (* b b))
4.583 * [regime-testing]: Baseline error score: 0.006073879547533586
4.585 * [regime-testing]: Oracle error score: 0.006073879547533586
4.585 * [regime-testing]: End program error score: 0.006073879547533586
4.605 * [regime-testing]: Target error score: 0.0010001250156269534