47.376 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.028 * * [simplify]: Extracting # 2 : cost  0
0.028 * * [simplify]: Extracting # 3 : cost  0
0.028 * * [simplify]: Extracting # 4 : cost  0
0.028 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.029 * * [simplify]: Extracting # 0 : cost  0
0.029 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.071 * * [simplify]: Extracting # 0 : cost  0
0.072 * * [simplify]: Extracting # 1 : cost  0
0.072 * * [simplify]: Extracting # 2 : cost  0
0.072 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.130 * * [simplify]: Extracting # 0 : cost  0
0.131 * * [simplify]: Extracting # 1 : cost  0
0.131 * * [simplify]: Extracting # 2 : cost  0
0.132 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.304 * * [simplify]: Extracting # 0 : cost  0
0.305 * * [simplify]: Extracting # 1 : cost  0
0.305 * * [simplify]: Extracting # 2 : cost  0
0.306 * * [simplify]: Extracting # 3 : cost  0
0.306 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.340 * * [simplify]: Extracting # 0 : cost  0
1.342 * * [simplify]: Extracting # 1 : cost  0
1.344 * * [simplify]: Extracting # 2 : cost  0
1.345 * * [simplify]: Extracting # 3 : cost  0
1.347 * * [simplify]: Extracting # 4 : cost  0
1.348 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.338 * * [simplify]: Extracting # 0 : cost  0
11.363 * * [simplify]: Extracting # 1 : cost  0
11.368 * * [simplify]: Extracting # 2 : cost  0
11.374 * * [simplify]: Extracting # 3 : cost  0
11.379 * * [simplify]: Extracting # 4 : cost  0
11.384 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.384 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.385 * * [progress]: iteration 1 / 4
11.385 * * * [progress]: picking best candidate
11.387 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.387 * * * [progress]: localizing error
11.395 * * * [progress]: generating rewritten candidates
11.395 * * * [progress]: generating series expansions
11.395 * * * [progress]: simplifying candidates
11.396 * [simplify]: Simplifying:
  
11.396 * * [simplify]: Extracting # 0 : cost  0
11.396 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
11.396 * * [simplify]: Extracting # 0 : cost  0
11.396 * * [simplify]: iteration done:  0  enodes  (cost  0 )
11.396 * [simplify]: Simplified to:
  
11.396 * * * [progress]: adding candidates to table
11.396 * [progress]: [Phase 3 of 3] Extracting.
11.397 * [simplify]: Simplifying:
  (- (* a a) (* b b))
11.398 * * [simplify]: Extracting # 0 : cost  0
11.398 * * [simplify]: Extracting # 1 : cost  0
11.398 * * [simplify]: Extracting # 2 : cost  0
11.398 * * [simplify]: Extracting # 3 : cost  0
11.398 * * [simplify]: Extracting # 4 : cost  0
11.398 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
11.398 * * [simplify]: Extracting # 0 : cost  0
11.398 * * [simplify]: iteration done:  5  enodes  (cost  7 )
11.398 * [simplify]: Simplified to:
  (- (* a a) (* b b))
12.866 * [regime-testing]: Baseline error score: 0.007029481021439666
12.869 * [regime-testing]: Oracle error score: 0.007029481021439666
12.869 * [regime-testing]: End program error score: 0.007029481021439666
12.905 * [regime-testing]: Target error score: 0.0010001250156269534