1554047253.795 * [progress]: [Phase 1 of 3] Setting up.
1554047253.797 * * * [progress]: [1/2] Preparing points
1554047253.924 * * * [progress]: [2/2] Setting up program.
1554047253.971 * [progress]: [Phase 2 of 3] Improving.
1554047253.972 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1554047253.973 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1554047253.975 * * [simplify]: iters left: 3 (6 enodes)
1554047253.991 * * [simplify]: iters left: 2 (26 enodes)
1554047254.004 * * [simplify]: iters left: 1 (59 enodes)
1554047254.024 * * [simplify]: Extracting #0: cost 1 inf + 0
1554047254.024 * * [simplify]: Extracting #1: cost 10 inf + 0
1554047254.024 * * [simplify]: Extracting #2: cost 22 inf + 0
1554047254.025 * * [simplify]: Extracting #3: cost 18 inf + 4
1554047254.025 * * [simplify]: Extracting #4: cost 4 inf + 2304
1554047254.026 * * [simplify]: Extracting #5: cost 0 inf + 1869
1554047254.027 * * [simplify]: Extracting #6: cost 0 inf + 1738
1554047254.028 * [simplify]: Simplified to (- (* (* x x) (* x x)) (* (* y y) (* y y)))
1554047254.028 * [simplify]: Simplified (2) to (λ (x y) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
1554047254.040 * * [progress]: iteration 1 / 4
1554047254.040 * * * [progress]: picking best candidate
1554047254.074 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1554047254.074 * * * [progress]: localizing error
1554047254.109 * * * [progress]: generating rewritten candidates
1554047254.111 * * * [progress]: generating series expansions
1554047254.112 * * * [progress]: simplifying candidates
1554047254.112 * * * [progress]: adding candidates to table
1554047254.113 * [progress]: [Phase 3 of 3] Extracting.
1554047254.119 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1554047254.119 * * [simplify]: iters left: 3 (6 enodes)
1554047254.119 * * [simplify]: Extracting #0: cost 1 inf + 0
1554047254.120 * * [simplify]: Extracting #1: cost 3 inf + 0
1554047254.120 * * [simplify]: Extracting #2: cost 6 inf + 0
1554047254.120 * * [simplify]: Extracting #3: cost 2 inf + 215
1554047254.120 * * [simplify]: Extracting #4: cost 0 inf + 890
1554047254.120 * [simplify]: Simplified to (- (pow x 4) (pow y 4))
1554047257.049 * [regime-testing]: Baseline error score: 0.0015001875234404302
1554047257.051 * [regime-testing]: Oracle error score: 0.0015001875234404302
1554047257.052 * [regime-testing]: End program error score: 0.0015001875234404302