12.175 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.039 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: Extracting # 3 : cost  0
0.045 * * [simplify]: Extracting # 4 : cost  0
0.045 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.046 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.047 * * [simplify]: Extracting # 2 : cost  0
0.047 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: iteration  2 :  18  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  3 :  35  enodes  (cost  7 )
0.071 * * [simplify]: Extracting # 0 : cost  0
0.071 * * [simplify]: Extracting # 1 : cost  0
0.071 * * [simplify]: Extracting # 2 : cost  0
0.071 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.117 * * [simplify]: Extracting # 0 : cost  0
0.117 * * [simplify]: Extracting # 1 : cost  0
0.117 * * [simplify]: Extracting # 2 : cost  0
0.118 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.210 * * [simplify]: Extracting # 0 : cost  0
0.211 * * [simplify]: Extracting # 1 : cost  0
0.212 * * [simplify]: Extracting # 2 : cost  0
0.213 * * [simplify]: Extracting # 3 : cost  0
0.213 * * [simplify]: iteration  6 :  372  enodes  (cost  7 )
0.524 * * [simplify]: Extracting # 0 : cost  0
0.526 * * [simplify]: Extracting # 1 : cost  0
0.527 * * [simplify]: Extracting # 2 : cost  0
0.528 * * [simplify]: Extracting # 3 : cost  0
0.529 * * [simplify]: Extracting # 4 : cost  0
0.530 * * [simplify]: iteration  7 :  916  enodes  (cost  7 )
2.699 * * [simplify]: Extracting # 0 : cost  0
2.717 * * [simplify]: Extracting # 1 : cost  0
2.722 * * [simplify]: Extracting # 2 : cost  0
2.727 * * [simplify]: Extracting # 3 : cost  0
2.732 * * [simplify]: Extracting # 4 : cost  0
2.737 * * [simplify]: iteration  8 :  3785  enodes  (cost  7 )
5.502 * * [simplify]: Extracting # 0 : cost  0
5.531 * * [simplify]: Extracting # 1 : cost  0
5.538 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
5.538 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
5.544 * * [progress]: iteration 1 / 4
5.544 * * * [progress]: picking best candidate
5.548 * * * * [pick]: Picked  #<alt (λ (a b) (* (- a b) (+ a b)))>
5.548 * * * [progress]: localizing error
5.561 * * * [progress]: generating rewritten candidates
5.561 * * * [progress]: generating series expansions
5.562 * * * [progress]: simplifying candidates
5.562 * [simplify]: Simplifying:
  
5.562 * * [simplify]: Extracting # 0 : cost  0
5.562 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
5.562 * * [simplify]: Extracting # 0 : cost  0
5.562 * * [simplify]: iteration done:  0  enodes  (cost  0 )
5.562 * [simplify]: Simplified to:
  
5.562 * * * [progress]: adding candidates to table
5.563 * [progress]: [Phase 3 of 3] Extracting.
5.567 * [simplify]: Simplifying:
  (* (- a b) (+ a b))
5.567 * * [simplify]: Extracting # 0 : cost  0
5.567 * * [simplify]: Extracting # 1 : cost  0
5.567 * * [simplify]: Extracting # 2 : cost  0
5.567 * * [simplify]: Extracting # 3 : cost  0
5.567 * * [simplify]: Extracting # 4 : cost  0
5.567 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
5.568 * * [simplify]: Extracting # 0 : cost  0
5.568 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
5.568 * * [simplify]: Extracting # 0 : cost  0
5.568 * * [simplify]: iteration done:  7  enodes  (cost  7 )
5.568 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
7.735 * [regime-testing]: Baseline error score: 0.001375171896487061
7.739 * [regime-testing]: Oracle error score: 0.001375171896487061
7.739 * [regime-testing]: End program error score: 0.001375171896487061
7.837 * [regime-testing]: Target error score: 0.001375171896487061