14.818 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.029 * * [simplify]: Extracting # 0 : cost  0
0.029 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: Extracting # 3 : cost  0
0.029 * * [simplify]: Extracting # 4 : cost  0
0.029 * * [simplify]: iteration  0 :  5  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  1 :  10  enodes  (cost  7 )
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.034 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.051 * * [simplify]: Extracting # 0 : cost  0
0.052 * * [simplify]: Extracting # 1 : cost  0
0.052 * * [simplify]: Extracting # 2 : cost  0
0.052 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.101 * * [simplify]: Extracting # 0 : cost  0
0.102 * * [simplify]: Extracting # 1 : cost  0
0.103 * * [simplify]: Extracting # 2 : cost  0
0.103 * * [simplify]: Extracting # 3 : cost  0
0.103 * * [simplify]: iteration  6 :  281  enodes  (cost  7 )
0.201 * * [simplify]: Extracting # 0 : cost  0
0.201 * * [simplify]: Extracting # 1 : cost  0
0.202 * * [simplify]: Extracting # 2 : cost  0
0.202 * * [simplify]: Extracting # 3 : cost  0
0.203 * * [simplify]: iteration  7 :  703  enodes  (cost  7 )
1.245 * * [simplify]: Extracting # 0 : cost  0
1.628 * * [simplify]: Extracting # 1 : cost  0
1.633 * * [simplify]: Extracting # 2 : cost  0
1.638 * * [simplify]: Extracting # 3 : cost  0
1.644 * * [simplify]: Extracting # 4 : cost  0
1.649 * * [simplify]: iteration  8 :  3184  enodes  (cost  7 )
3.358 * * [simplify]: Extracting # 0 : cost  0
3.387 * * [simplify]: Extracting # 1 : cost  0
3.390 * * [simplify]: Extracting # 2 : cost  0
3.394 * * [simplify]: Extracting # 3 : cost  0
3.398 * * [simplify]: Extracting # 4 : cost  0
3.403 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
3.403 * [simplify]: Simplified to:
  (- (* a a) (* b b))
3.403 * * [progress]: iteration 1 / 4
3.403 * * * [progress]: picking best candidate
3.408 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
3.408 * * * [progress]: localizing error
3.421 * * * [progress]: generating rewritten candidates
3.421 * * * [progress]: generating series expansions
3.421 * * * [progress]: simplifying candidates
3.422 * [simplify]: Simplifying:
  
3.422 * * [simplify]: Extracting # 0 : cost  0
3.422 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.422 * * [simplify]: Extracting # 0 : cost  0
3.422 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.422 * [simplify]: Simplified to:
  
3.422 * * * [progress]: adding candidates to table
3.422 * [progress]: [Phase 3 of 3] Extracting.
3.427 * [simplify]: Simplifying:
  (- (* a a) (* b b))
3.427 * * [simplify]: Extracting # 0 : cost  0
3.427 * * [simplify]: Extracting # 1 : cost  0
3.428 * * [simplify]: Extracting # 2 : cost  0
3.428 * * [simplify]: Extracting # 3 : cost  0
3.428 * * [simplify]: Extracting # 4 : cost  0
3.428 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
3.428 * * [simplify]: Extracting # 0 : cost  0
3.428 * * [simplify]: iteration done:  5  enodes  (cost  7 )
3.428 * [simplify]: Simplified to:
  (- (* a a) (* b b))
4.619 * [regime-testing]: Baseline error score: 0.006698957682300432
4.623 * [regime-testing]: Oracle error score: 0.006698957682300432
4.623 * [regime-testing]: End program error score: 0.006698957682300432
4.701 * [regime-testing]: Target error score: 0.0008751093886735842