10.310 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: Extracting # 3 : cost  0
0.027 * * [simplify]: Extracting # 4 : cost  0
0.027 * * [simplify]: iteration  0 :  5  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  1 :  10  enodes  (cost  7 )
0.029 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.056 * * [simplify]: Extracting # 0 : cost  0
0.056 * * [simplify]: Extracting # 1 : cost  0
0.056 * * [simplify]: Extracting # 2 : cost  0
0.056 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.099 * * [simplify]: Extracting # 0 : cost  0
0.100 * * [simplify]: Extracting # 1 : cost  0
0.100 * * [simplify]: Extracting # 2 : cost  0
0.100 * * [simplify]: Extracting # 3 : cost  0
0.100 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.195 * * [simplify]: Extracting # 0 : cost  0
0.195 * * [simplify]: Extracting # 1 : cost  0
0.196 * * [simplify]: Extracting # 2 : cost  0
0.196 * * [simplify]: Extracting # 3 : cost  0
0.196 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.900 * * [simplify]: Extracting # 0 : cost  0
0.903 * * [simplify]: Extracting # 1 : cost  0
0.905 * * [simplify]: Extracting # 2 : cost  0
0.907 * * [simplify]: Extracting # 3 : cost  0
0.909 * * [simplify]: Extracting # 4 : cost  0
0.911 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.469 * * [simplify]: Extracting # 0 : cost  0
12.484 * * [simplify]: Extracting # 1 : cost  0
12.490 * * [simplify]: Extracting # 2 : cost  0
12.494 * * [simplify]: Extracting # 3 : cost  0
12.498 * * [simplify]: Extracting # 4 : cost  0
12.501 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.501 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
12.505 * * [progress]: iteration 1 / 4
12.505 * * * [progress]: picking best candidate
12.506 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
12.506 * * * [progress]: localizing error
12.513 * * * [progress]: generating rewritten candidates
12.513 * * * [progress]: generating series expansions
12.513 * * * [progress]: simplifying candidates
12.513 * [simplify]: Simplifying:
  
12.513 * * [simplify]: Extracting # 0 : cost  0
12.513 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.513 * * [simplify]: Extracting # 0 : cost  0
12.513 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.513 * [simplify]: Simplified to:
  
12.513 * * * [progress]: adding candidates to table
12.514 * [progress]: [Phase 3 of 3] Extracting.
12.516 * [simplify]: Simplifying:
  (- (* a a) (* b b))
12.516 * * [simplify]: Extracting # 0 : cost  0
12.516 * * [simplify]: Extracting # 1 : cost  0
12.516 * * [simplify]: Extracting # 2 : cost  0
12.516 * * [simplify]: Extracting # 3 : cost  0
12.516 * * [simplify]: Extracting # 4 : cost  0
12.516 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.516 * * [simplify]: Extracting # 0 : cost  0
12.516 * * [simplify]: iteration done:  5  enodes  (cost  7 )
12.516 * [simplify]: Simplified to:
  (- (* a a) (* b b))
13.922 * [regime-testing]: Baseline error score: 0.006500812601575197
13.926 * [regime-testing]: Oracle error score: 0.006500812601575197
13.926 * [regime-testing]: End program error score: 0.006500812601575197
13.962 * [regime-testing]: Target error score: 0.0011251406425803225