0.005 * [progress]: [Phase 1 of 3] Setting up.
0.007 * * * [progress]: [1/2] Preparing points
0.224 * * * [progress]: [2/2] Setting up program.
0.264 * [progress]: [Phase 2 of 3] Improving.
0.264 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
0.266 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
0.267 * * [simplify]: iteration 1: (6 enodes)
0.273 * * [simplify]: iteration 2: (26 enodes)
0.281 * * [simplify]: iteration 3: (52 enodes)
0.290 * * [simplify]: iteration 4: (83 enodes)
0.305 * * [simplify]: iteration 5: (135 enodes)
0.329 * * [simplify]: iteration 6: (262 enodes)
0.417 * * [simplify]: iteration 7: (775 enodes)
0.944 * * [simplify]: Extracting #0: cost 1 inf + 0
0.945 * * [simplify]: Extracting #1: cost 88 inf + 0
0.947 * * [simplify]: Extracting #2: cost 388 inf + 0
0.954 * * [simplify]: Extracting #3: cost 397 inf + 14513
0.993 * * [simplify]: Extracting #4: cost 128 inf + 66599
1.039 * * [simplify]: Extracting #5: cost 4 inf + 94731
1.088 * * [simplify]: Extracting #6: cost 0 inf + 96372
1.137 * [simplify]: Simplified to (* (- (* x x) (* y y)) (+ (* y y) (* x x)))
1.151 * * [progress]: iteration 1 / 4
1.151 * * * [progress]: picking best candidate
1.156 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1.156 * * * [progress]: localizing error
1.175 * * * [progress]: generating rewritten candidates
1.176 * * * [progress]: generating series expansions
1.176 * * * [progress]: simplifying candidates
1.176 * [simplify]: Simplifying 
1.176 * * [simplify]: iteration 1: (0 enodes)
1.176 * * [simplify]: Extracting #0: cost 0 inf + 0
1.176 * [simplify]: Simplified to 
1.176 * * * [progress]: adding candidates to table
1.176 * [progress]: [Phase 3 of 3] Extracting.
1.179 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1.180 * * [simplify]: iteration 1: (6 enodes)
1.180 * * [simplify]: Extracting #0: cost 1 inf + 0
1.180 * * [simplify]: Extracting #1: cost 3 inf + 0
1.180 * * [simplify]: Extracting #2: cost 6 inf + 0
1.180 * * [simplify]: Extracting #3: cost 2 inf + 215
1.180 * * [simplify]: Extracting #4: cost 0 inf + 890
1.180 * [simplify]: Simplified to (- (pow x 4) (pow y 4))
4.182 * [regime-testing]: Baseline error score: 0.0032504063007875983
4.184 * [regime-testing]: Oracle error score: 0.0032504063007875983
4.185 * [regime-testing]: End program error score: 0.0032504063007875983