11.462 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.045 * [progress]: [Phase 2 of 3] Improving.
0.045 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.046 * * [simplify]: Extracting # 2 : cost  0
0.046 * * [simplify]: Extracting # 3 : cost  0
0.046 * * [simplify]: Extracting # 4 : cost  0
0.046 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.052 * * [simplify]: Extracting # 0 : cost  0
0.052 * * [simplify]: Extracting # 1 : cost  0
0.052 * * [simplify]: Extracting # 2 : cost  0
0.052 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: Extracting # 1 : cost  0
0.059 * * [simplify]: Extracting # 2 : cost  0
0.059 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.074 * * [simplify]: Extracting # 0 : cost  0
0.074 * * [simplify]: Extracting # 1 : cost  0
0.074 * * [simplify]: Extracting # 2 : cost  0
0.074 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.102 * * [simplify]: Extracting # 0 : cost  0
0.102 * * [simplify]: Extracting # 1 : cost  0
0.102 * * [simplify]: Extracting # 2 : cost  0
0.102 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.163 * * [simplify]: Extracting # 0 : cost  0
0.163 * * [simplify]: Extracting # 1 : cost  0
0.163 * * [simplify]: Extracting # 2 : cost  0
0.164 * * [simplify]: Extracting # 3 : cost  0
0.164 * * [simplify]: iteration  6 :  372  enodes  (cost  7 )
0.351 * * [simplify]: Extracting # 0 : cost  0
0.354 * * [simplify]: Extracting # 1 : cost  0
0.355 * * [simplify]: Extracting # 2 : cost  0
0.355 * * [simplify]: Extracting # 3 : cost  0
0.356 * * [simplify]: Extracting # 4 : cost  0
0.356 * * [simplify]: iteration  7 :  916  enodes  (cost  7 )
1.818 * * [simplify]: Extracting # 0 : cost  0
1.824 * * [simplify]: Extracting # 1 : cost  0
1.827 * * [simplify]: Extracting # 2 : cost  0
1.839 * * [simplify]: Extracting # 3 : cost  0
1.845 * * [simplify]: Extracting # 4 : cost  0
1.850 * * [simplify]: iteration  8 :  3785  enodes  (cost  7 )
4.475 * * [simplify]: Extracting # 0 : cost  0
4.488 * * [simplify]: Extracting # 1 : cost  0
4.495 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
4.495 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
4.498 * * [progress]: iteration 1 / 4
4.498 * * * [progress]: picking best candidate
4.499 * * * * [pick]: Picked  #<alt (λ (a b) (* (- a b) (+ a b)))>
4.499 * * * [progress]: localizing error
4.504 * * * [progress]: generating rewritten candidates
4.505 * * * [progress]: generating series expansions
4.505 * * * [progress]: simplifying candidates
4.505 * [simplify]: Simplifying:
  
4.505 * * [simplify]: Extracting # 0 : cost  0
4.505 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
4.505 * * [simplify]: Extracting # 0 : cost  0
4.505 * * [simplify]: iteration done:  0  enodes  (cost  0 )
4.505 * [simplify]: Simplified to:
  
4.505 * * * [progress]: adding candidates to table
4.505 * [progress]: [Phase 3 of 3] Extracting.
4.507 * [simplify]: Simplifying:
  (* (- a b) (+ a b))
4.507 * * [simplify]: Extracting # 0 : cost  0
4.507 * * [simplify]: Extracting # 1 : cost  0
4.507 * * [simplify]: Extracting # 2 : cost  0
4.507 * * [simplify]: Extracting # 3 : cost  0
4.507 * * [simplify]: Extracting # 4 : cost  0
4.507 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
4.507 * * [simplify]: Extracting # 0 : cost  0
4.507 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
4.507 * * [simplify]: Extracting # 0 : cost  0
4.507 * * [simplify]: iteration done:  7  enodes  (cost  7 )
4.507 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
5.741 * [regime-testing]: Baseline error score: 0.0010001250156269534
5.743 * [regime-testing]: Oracle error score: 0.0010001250156269534
5.744 * [regime-testing]: End program error score: 0.0010001250156269534
5.763 * [regime-testing]: Target error score: 0.0010001250156269534