1554041848.387 * [progress]: [Phase 1 of 3] Setting up.
1554041848.388 * * * [progress]: [1/2] Preparing points
1554041848.480 * * * [progress]: [2/2] Setting up program.
1554041848.513 * [progress]: [Phase 2 of 3] Improving.
1554041848.514 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1554041848.515 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1554041848.516 * * [simplify]: iters left: 3 (6 enodes)
1554041848.525 * * [simplify]: iters left: 2 (26 enodes)
1554041848.532 * * [simplify]: iters left: 1 (58 enodes)
1554041848.541 * * [simplify]: Extracting #0: cost 1 inf + 0
1554041848.541 * * [simplify]: Extracting #1: cost 7 inf + 0
1554041848.541 * * [simplify]: Extracting #2: cost 18 inf + 0
1554041848.542 * * [simplify]: Extracting #3: cost 19 inf + 3
1554041848.542 * * [simplify]: Extracting #4: cost 3 inf + 2852
1554041848.542 * * [simplify]: Extracting #5: cost 0 inf + 1788
1554041848.543 * [simplify]: Simplified to (* (- (* x x) (* y y)) (+ (* y y) (* x x)))
1554041848.543 * [simplify]: Simplified (2) to (λ (x y) (* (- (* x x) (* y y)) (+ (* y y) (* x x))))
1554041848.550 * * [progress]: iteration 1 / 4
1554041848.550 * * * [progress]: picking best candidate
1554041848.553 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1554041848.553 * * * [progress]: localizing error
1554041848.567 * * * [progress]: generating rewritten candidates
1554041848.568 * * * [progress]: generating series expansions
1554041848.568 * * * [progress]: simplifying candidates
1554041848.568 * * * [progress]: adding candidates to table
1554041848.569 * [progress]: [Phase 3 of 3] Extracting.
1554041848.571 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1554041848.571 * * [simplify]: iters left: 3 (6 enodes)
1554041848.572 * * [simplify]: Extracting #0: cost 1 inf + 0
1554041848.572 * * [simplify]: Extracting #1: cost 3 inf + 0
1554041848.572 * * [simplify]: Extracting #2: cost 6 inf + 0
1554041848.572 * * [simplify]: Extracting #3: cost 2 inf + 215
1554041848.572 * * [simplify]: Extracting #4: cost 0 inf + 890
1554041848.572 * [simplify]: Simplified to (- (pow x 4) (pow y 4))
1554041851.634 * [regime-testing]: Baseline error score: 0.0015001875234404302
1554041851.636 * [regime-testing]: Oracle error score: 0.0015001875234404302
1554041851.636 * [regime-testing]: End program error score: 0.0015001875234404302