19.391 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.041 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying:
  (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: Extracting # 3 : cost  0
0.043 * * [simplify]: Extracting # 4 : cost  0
0.043 * * [simplify]: Extracting # 5 : cost  0
0.043 * * [simplify]: Extracting # 6 : cost  0
0.043 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  1 :  20  enodes  (cost  11 )
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 :  48  enodes  (cost  11 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: Extracting # 1 : cost  0
0.061 * * [simplify]: Extracting # 2 : cost  0
0.061 * * [simplify]: iteration  3 :  103  enodes  (cost  10 )
0.094 * * [simplify]: Extracting # 0 : cost  0
0.094 * * [simplify]: Extracting # 1 : cost  0
0.094 * * [simplify]: Extracting # 2 : cost  0
0.094 * * [simplify]: Extracting # 3 : cost  0
0.095 * * [simplify]: iteration  4 :  194  enodes  (cost  10 )
0.169 * * [simplify]: Extracting # 0 : cost  0
0.169 * * [simplify]: Extracting # 1 : cost  0
0.169 * * [simplify]: Extracting # 2 : cost  0
0.170 * * [simplify]: Extracting # 3 : cost  0
0.170 * * [simplify]: iteration  5 :  318  enodes  (cost  10 )
0.376 * * [simplify]: Extracting # 0 : cost  0
0.377 * * [simplify]: Extracting # 1 : cost  0
0.378 * * [simplify]: Extracting # 2 : cost  0
0.378 * * [simplify]: Extracting # 3 : cost  0
0.379 * * [simplify]: iteration  6 :  480  enodes  (cost  10 )
0.670 * * [simplify]: Extracting # 0 : cost  0
0.671 * * [simplify]: Extracting # 1 : cost  0
0.672 * * [simplify]: Extracting # 2 : cost  0
0.673 * * [simplify]: iteration  7 :  664  enodes  (cost  10 )
1.172 * * [simplify]: Extracting # 0 : cost  0
1.173 * * [simplify]: Extracting # 1 : cost  0
1.174 * * [simplify]: Extracting # 2 : cost  0
1.174 * * [simplify]: iteration  8 :  959  enodes  (cost  10 )
1.552 * * [simplify]: Extracting # 0 : cost  0
1.553 * * [simplify]: Extracting # 1 : cost  0
1.554 * * [simplify]: Extracting # 2 : cost  0
1.554 * * [simplify]: iteration  9 :  1042  enodes  (cost  10 )
2.050 * * [simplify]: Extracting # 0 : cost  0
2.051 * * [simplify]: Extracting # 1 : cost  0
2.051 * * [simplify]: iteration  10 :  1073  enodes  (cost  10 )
2.410 * * [simplify]: Extracting # 0 : cost  0
2.410 * * [simplify]: iteration done:  1073  enodes  (cost  10 )
2.410 * [simplify]: Simplified to:
  (fma (- y 1.0) x (fma 0.5 (- y) 0.918938533204673))
2.413 * * [progress]: iteration 1 / 4
2.413 * * * [progress]: picking best candidate
2.415 * * * * [pick]: Picked  #<alt (λ (x y) (fma (- y 1.0) x (fma 0.5 (- y) 0.918938533204673)))>
2.415 * * * [progress]: localizing error
2.437 * * * [progress]: generating rewritten candidates
2.437 * * * [progress]: generating series expansions
2.437 * * * [progress]: simplifying candidates
2.437 * [simplify]: Simplifying:
  
2.437 * * [simplify]: Extracting # 0 : cost  0
2.437 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.437 * * [simplify]: Extracting # 0 : cost  0
2.437 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.437 * [simplify]: Simplified to:
  
2.438 * * * [progress]: adding candidates to table
2.438 * [progress]: [Phase 3 of 3] Extracting.
2.442 * [simplify]: Simplifying:
  (fma (- y 1.0) x (fma 0.5 (- y) 0.918938533204673))
2.442 * * [simplify]: Extracting # 0 : cost  0
2.442 * * [simplify]: Extracting # 1 : cost  0
2.442 * * [simplify]: Extracting # 2 : cost  0
2.442 * * [simplify]: Extracting # 3 : cost  0
2.442 * * [simplify]: Extracting # 4 : cost  0
2.442 * * [simplify]: iteration  0 :  9  enodes  (cost  10 )
2.443 * * [simplify]: Extracting # 0 : cost  0
2.443 * * [simplify]: iteration done:  9  enodes  (cost  10 )
2.443 * [simplify]: Simplified to:
  (fma (- y 1.0) x (fma 0.5 (- y) 0.918938533204673))
3.390 * [regime-testing]: End program error score: 0.004625578197274659