23.050 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: Extracting # 1 : cost  0
0.038 * * [simplify]: Extracting # 2 : cost  0
0.038 * * [simplify]: Extracting # 3 : cost  0
0.038 * * [simplify]: Extracting # 4 : cost  0
0.038 * * [simplify]: iteration  0 :  5  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  1 :  10  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  2 :  17  enodes  (cost  7 )
0.046 * * [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 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.068 * * [simplify]: Extracting # 0 : cost  0
0.068 * * [simplify]: Extracting # 1 : cost  0
0.068 * * [simplify]: Extracting # 2 : cost  0
0.068 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.104 * * [simplify]: Extracting # 0 : cost  0
0.104 * * [simplify]: Extracting # 1 : cost  0
0.104 * * [simplify]: Extracting # 2 : cost  0
0.104 * * [simplify]: Extracting # 3 : cost  0
0.104 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.164 * * [simplify]: Extracting # 0 : cost  0
0.164 * * [simplify]: Extracting # 1 : cost  0
0.165 * * [simplify]: Extracting # 2 : cost  0
0.165 * * [simplify]: Extracting # 3 : cost  0
0.165 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.794 * * [simplify]: Extracting # 0 : cost  0
0.796 * * [simplify]: Extracting # 1 : cost  0
0.798 * * [simplify]: Extracting # 2 : cost  0
0.800 * * [simplify]: Extracting # 3 : cost  0
0.802 * * [simplify]: Extracting # 4 : cost  0
0.805 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.939 * * [simplify]: Extracting # 0 : cost  0
12.952 * * [simplify]: Extracting # 1 : cost  0
12.957 * * [simplify]: Extracting # 2 : cost  0
12.963 * * [simplify]: Extracting # 3 : cost  0
12.966 * * [simplify]: Extracting # 4 : cost  0
12.969 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.969 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
12.972 * * [progress]: iteration 1 / 4
12.972 * * * [progress]: picking best candidate
12.973 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
12.973 * * * [progress]: localizing error
12.978 * * * [progress]: generating rewritten candidates
12.978 * * * [progress]: generating series expansions
12.978 * * * [progress]: simplifying candidates
12.978 * [simplify]: Simplifying:
  
12.978 * * [simplify]: Extracting # 0 : cost  0
12.978 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.978 * * [simplify]: Extracting # 0 : cost  0
12.978 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.978 * [simplify]: Simplified to:
  
12.978 * * * [progress]: adding candidates to table
12.979 * [progress]: [Phase 3 of 3] Extracting.
12.980 * [simplify]: Simplifying:
  (- (* a a) (* b b))
12.980 * * [simplify]: Extracting # 0 : cost  0
12.980 * * [simplify]: Extracting # 1 : cost  0
12.980 * * [simplify]: Extracting # 2 : cost  0
12.980 * * [simplify]: Extracting # 3 : cost  0
12.980 * * [simplify]: Extracting # 4 : cost  0
12.980 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.981 * * [simplify]: Extracting # 0 : cost  0
12.981 * * [simplify]: iteration done:  5  enodes  (cost  7 )
12.981 * [simplify]: Simplified to:
  (- (* a a) (* b b))
14.135 * [regime-testing]: Baseline error score: 0.007029481021439666
14.135 * [regime-testing]: Oracle error score: 0.007029481021439666
14.136 * [regime-testing]: End program error score: 0.007029481021439666
14.154 * [regime-testing]: Target error score: 0.0010001250156269534