27.452 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [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 )
0.024 * * [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 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.078 * * [simplify]: Extracting # 0 : cost  0
0.078 * * [simplify]: Extracting # 1 : cost  0
0.079 * * [simplify]: Extracting # 2 : cost  0
0.079 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.113 * * [simplify]: Extracting # 0 : cost  0
0.113 * * [simplify]: Extracting # 1 : cost  0
0.114 * * [simplify]: Extracting # 2 : cost  0
0.114 * * [simplify]: Extracting # 3 : cost  0
0.114 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.199 * * [simplify]: Extracting # 0 : cost  0
0.200 * * [simplify]: Extracting # 1 : cost  0
0.201 * * [simplify]: Extracting # 2 : cost  0
0.201 * * [simplify]: Extracting # 3 : cost  0
0.202 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.931 * * [simplify]: Extracting # 0 : cost  0
0.934 * * [simplify]: Extracting # 1 : cost  0
0.938 * * [simplify]: Extracting # 2 : cost  0
0.941 * * [simplify]: Extracting # 3 : cost  0
0.944 * * [simplify]: Extracting # 4 : cost  0
0.947 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.915 * * [simplify]: Extracting # 0 : cost  0
12.935 * * [simplify]: Extracting # 1 : cost  0
12.940 * * [simplify]: Extracting # 2 : cost  0
12.945 * * [simplify]: Extracting # 3 : cost  0
12.947 * * [simplify]: Extracting # 4 : cost  0
12.950 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.950 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
12.952 * * [progress]: iteration 1 / 4
12.952 * * * [progress]: picking best candidate
12.953 * * * * [pick]: Picked  #<alt (λ (a b) (* (- a b) (+ a b)))>
12.953 * * * [progress]: localizing error
12.957 * * * [progress]: generating rewritten candidates
12.957 * * * [progress]: generating series expansions
12.957 * * * [progress]: simplifying candidates
12.957 * [simplify]: Simplifying:
  
12.957 * * [simplify]: Extracting # 0 : cost  0
12.958 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
12.958 * * [simplify]: Extracting # 0 : cost  0
12.958 * * [simplify]: iteration done:  0  enodes  (cost  0 )
12.958 * [simplify]: Simplified to:
  
12.958 * * * [progress]: adding candidates to table
12.958 * [progress]: [Phase 3 of 3] Extracting.
12.959 * [simplify]: Simplifying:
  (* (- a b) (+ a b))
12.959 * * [simplify]: Extracting # 0 : cost  0
12.959 * * [simplify]: Extracting # 1 : cost  0
12.959 * * [simplify]: Extracting # 2 : cost  0
12.959 * * [simplify]: Extracting # 3 : cost  0
12.959 * * [simplify]: Extracting # 4 : cost  0
12.959 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
12.960 * * [simplify]: Extracting # 0 : cost  0
12.960 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
12.960 * * [simplify]: Extracting # 0 : cost  0
12.960 * * [simplify]: iteration done:  7  enodes  (cost  7 )
12.960 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
13.911 * [regime-testing]: End program error score: 0.0008751093886735842
13.945 * [regime-testing]: Target error score: 0.0008751093886735842