23.157 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.039 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: Extracting # 3 : cost  0
0.039 * * [simplify]: Extracting # 4 : cost  0
0.039 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: Extracting # 1 : cost  0
0.044 * * [simplify]: Extracting # 2 : cost  0
0.044 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.049 * * [simplify]: Extracting # 0 : cost  0
0.049 * * [simplify]: Extracting # 1 : cost  0
0.049 * * [simplify]: Extracting # 2 : cost  0
0.049 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.060 * * [simplify]: Extracting # 1 : cost  0
0.060 * * [simplify]: Extracting # 2 : cost  0
0.060 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.088 * * [simplify]: Extracting # 0 : cost  0
0.088 * * [simplify]: Extracting # 1 : cost  0
0.089 * * [simplify]: Extracting # 2 : cost  0
0.089 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.166 * * [simplify]: Extracting # 0 : cost  0
0.167 * * [simplify]: Extracting # 1 : cost  0
0.167 * * [simplify]: Extracting # 2 : cost  0
0.168 * * [simplify]: Extracting # 3 : cost  0
0.168 * * [simplify]: iteration  6 :  372  enodes  (cost  7 )
0.399 * * [simplify]: Extracting # 0 : cost  0
0.400 * * [simplify]: Extracting # 1 : cost  0
0.400 * * [simplify]: Extracting # 2 : cost  0
0.401 * * [simplify]: Extracting # 3 : cost  0
0.401 * * [simplify]: Extracting # 4 : cost  0
0.402 * * [simplify]: iteration  7 :  916  enodes  (cost  7 )
2.168 * * [simplify]: Extracting # 0 : cost  0
2.175 * * [simplify]: Extracting # 1 : cost  0
2.180 * * [simplify]: Extracting # 2 : cost  0
2.184 * * [simplify]: Extracting # 3 : cost  0
2.188 * * [simplify]: Extracting # 4 : cost  0
2.192 * * [simplify]: iteration  8 :  3785  enodes  (cost  7 )
4.105 * * [simplify]: Extracting # 0 : cost  0
4.128 * * [simplify]: Extracting # 1 : cost  0
4.132 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
4.132 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
4.135 * * [progress]: iteration 1 / 4
4.135 * * * [progress]: picking best candidate
4.136 * * * * [pick]: Picked  #<alt (λ (a b) (* (- a b) (+ a b)))>
4.136 * * * [progress]: localizing error
4.141 * * * [progress]: generating rewritten candidates
4.141 * * * [progress]: generating series expansions
4.141 * * * [progress]: simplifying candidates
4.141 * [simplify]: Simplifying:
  
4.141 * * [simplify]: Extracting # 0 : cost  0
4.141 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
4.141 * * [simplify]: Extracting # 0 : cost  0
4.141 * * [simplify]: iteration done:  0  enodes  (cost  0 )
4.141 * [simplify]: Simplified to:
  
4.141 * * * [progress]: adding candidates to table
4.142 * [progress]: [Phase 3 of 3] Extracting.
4.143 * [simplify]: Simplifying:
  (* (- a b) (+ a b))
4.143 * * [simplify]: Extracting # 0 : cost  0
4.143 * * [simplify]: Extracting # 1 : cost  0
4.143 * * [simplify]: Extracting # 2 : cost  0
4.143 * * [simplify]: Extracting # 3 : cost  0
4.143 * * [simplify]: Extracting # 4 : cost  0
4.143 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
4.143 * * [simplify]: Extracting # 0 : cost  0
4.143 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
4.144 * * [simplify]: Extracting # 0 : cost  0
4.144 * * [simplify]: iteration done:  7  enodes  (cost  7 )
4.144 * [simplify]: Simplified to:
  (* (- a b) (+ a b))
5.342 * [regime-testing]: Baseline error score: 0.0006250781347668458
5.344 * [regime-testing]: Oracle error score: 0.0006250781347668458
5.345 * [regime-testing]: End program error score: 0.0006250781347668458
5.372 * [regime-testing]: Target error score: 0.0006250781347668458