19.265 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.024 * * [simplify]: Extracting # 0 : cost  0
0.024 * * [simplify]: Extracting # 1 : cost  0
0.024 * * [simplify]: Extracting # 2 : cost  0
0.024 * * [simplify]: Extracting # 3 : cost  0
0.024 * * [simplify]: Extracting # 4 : cost  0
0.024 * * [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 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [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 )
0.036 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.052 * * [simplify]: Extracting # 1 : cost  0
0.052 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.088 * * [simplify]: Extracting # 0 : cost  0
0.088 * * [simplify]: Extracting # 1 : cost  0
0.088 * * [simplify]: Extracting # 2 : cost  0
0.089 * * [simplify]: Extracting # 3 : cost  0
0.089 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.150 * * [simplify]: Extracting # 0 : cost  0
0.150 * * [simplify]: Extracting # 1 : cost  0
0.150 * * [simplify]: Extracting # 2 : cost  0
0.151 * * [simplify]: Extracting # 3 : cost  0
0.151 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.687 * * [simplify]: Extracting # 0 : cost  0
0.689 * * [simplify]: Extracting # 1 : cost  0
0.691 * * [simplify]: Extracting # 2 : cost  0
0.692 * * [simplify]: Extracting # 3 : cost  0
0.693 * * [simplify]: Extracting # 4 : cost  0
0.695 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
12.951 * * [simplify]: Extracting # 0 : cost  0
12.962 * * [simplify]: Extracting # 1 : cost  0
12.965 * * [simplify]: Extracting # 2 : cost  0
12.971 * * [simplify]: Extracting # 3 : cost  0
12.976 * * [simplify]: Extracting # 4 : cost  0
12.986 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
12.986 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
12.990 * * [progress]: iteration 1 / 4
12.990 * * * [progress]: picking best candidate
12.992 * * * * [pick]: Picked  #<alt (λ (a b) (* (- a b) (+ a b)))>
12.992 * * * [progress]: localizing error
13.003 * * * [progress]: generating rewritten candidates
13.003 * * * [progress]: generating series expansions
13.003 * * * [progress]: simplifying candidates
13.003 * [simplify]: Simplifying:
  
13.003 * * [simplify]: Extracting # 0 : cost  0
13.003 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
13.003 * * [simplify]: Extracting # 0 : cost  0
13.003 * * [simplify]: iteration done:  0  enodes  (cost  0 )
13.003 * [simplify]: Simplified to:
  
13.003 * * * [progress]: adding candidates to table
13.004 * [progress]: [Phase 3 of 3] Extracting.
13.006 * [simplify]: Simplifying:
  (* (- a b) (+ a b))
13.006 * * [simplify]: Extracting # 0 : cost  0
13.006 * * [simplify]: Extracting # 1 : cost  0
13.006 * * [simplify]: Extracting # 2 : cost  0
13.006 * * [simplify]: Extracting # 3 : cost  0
13.006 * * [simplify]: Extracting # 4 : cost  0
13.006 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.007 * * [simplify]: Extracting # 0 : cost  0
13.007 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
13.007 * * [simplify]: Extracting # 0 : cost  0
13.007 * * [simplify]: iteration done:  7  enodes  (cost  7 )
13.007 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
14.161 * [regime-testing]: End program error score: 0.0011251406425803225
14.177 * [regime-testing]: Target error score: 0.0011251406425803225