23.199 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.023 * * [simplify]: Extracting # 0 : cost  0
0.023 * * [simplify]: Extracting # 1 : cost  0
0.023 * * [simplify]: Extracting # 2 : cost  0
0.023 * * [simplify]: Extracting # 3 : cost  0
0.023 * * [simplify]: Extracting # 4 : cost  0
0.023 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.025 * * [simplify]: Extracting # 0 : cost  0
0.025 * * [simplify]: Extracting # 1 : cost  0
0.025 * * [simplify]: Extracting # 2 : cost  0
0.025 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
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  2 :  17  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.047 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.047 * * [simplify]: Extracting # 2 : cost  0
0.047 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.086 * * [simplify]: Extracting # 0 : cost  0
0.086 * * [simplify]: Extracting # 1 : cost  0
0.086 * * [simplify]: Extracting # 2 : cost  0
0.087 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.134 * * [simplify]: Extracting # 0 : cost  0
0.134 * * [simplify]: Extracting # 1 : cost  0
0.134 * * [simplify]: Extracting # 2 : cost  0
0.134 * * [simplify]: Extracting # 3 : cost  0
0.135 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.198 * * [simplify]: Extracting # 0 : cost  0
0.198 * * [simplify]: Extracting # 1 : cost  0
0.199 * * [simplify]: Extracting # 2 : cost  0
0.199 * * [simplify]: Extracting # 3 : cost  0
0.200 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.814 * * [simplify]: Extracting # 0 : cost  0
0.815 * * [simplify]: Extracting # 1 : cost  0
0.817 * * [simplify]: Extracting # 2 : cost  0
0.818 * * [simplify]: Extracting # 3 : cost  0
0.819 * * [simplify]: Extracting # 4 : cost  0
0.821 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
11.529 * * [simplify]: Extracting # 0 : cost  0
11.539 * * [simplify]: Extracting # 1 : cost  0
11.544 * * [simplify]: Extracting # 2 : cost  0
11.546 * * [simplify]: Extracting # 3 : cost  0
11.549 * * [simplify]: Extracting # 4 : cost  0
11.551 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
11.551 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
11.553 * * [progress]: iteration 1 / 4
11.553 * * * [progress]: picking best candidate
11.555 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.555 * * * [progress]: localizing error
11.559 * * * [progress]: generating rewritten candidates
11.559 * * * [progress]: generating series expansions
11.559 * * * [progress]: simplifying candidates
11.560 * [simplify]: Simplifying:
  
11.560 * * [simplify]: Extracting # 0 : cost  0
11.560 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
11.560 * * [simplify]: Extracting # 0 : cost  0
11.560 * * [simplify]: iteration done:  0  enodes  (cost  0 )
11.560 * [simplify]: Simplified to:
  
11.560 * * * [progress]: adding candidates to table
11.560 * [progress]: [Phase 3 of 3] Extracting.
11.561 * [simplify]: Simplifying:
  (- (* a a) (* b b))
11.561 * * [simplify]: Extracting # 0 : cost  0
11.561 * * [simplify]: Extracting # 1 : cost  0
11.561 * * [simplify]: Extracting # 2 : cost  0
11.561 * * [simplify]: Extracting # 3 : cost  0
11.561 * * [simplify]: Extracting # 4 : cost  0
11.561 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
11.562 * * [simplify]: Extracting # 0 : cost  0
11.562 * * [simplify]: iteration done:  5  enodes  (cost  7 )
11.562 * [simplify]: Simplified to:
  (- (* a a) (* b b))
13.039 * [regime-testing]: Baseline error score: 0.007029481021439666
13.042 * [regime-testing]: Oracle error score: 0.007029481021439666
13.043 * [regime-testing]: End program error score: 0.007029481021439666
13.072 * [regime-testing]: Target error score: 0.0010001250156269534