1552125897.308 * [progress]: [Phase 1 of 3] Setting up.
1552125897.309 * * * [progress]: [1/2] Preparing points
1552125897.446 * * * [progress]: [2/2] Setting up program.
1552125897.451 * [progress]: [Phase 2 of 3] Improving.
1552125897.451 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1552125897.452 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1552125897.453 * * [simplify]: iters left: 3 (6 enodes)
1552125897.465 * * [simplify]: iters left: 2 (20 enodes)
1552125897.472 * * [simplify]: iters left: 1 (23 enodes)
1552125897.479 * * [simplify]: Extracting #0: cost 1 inf + 0
1552125897.480 * * [simplify]: Extracting #1: cost 5 inf + 0
1552125897.480 * * [simplify]: Extracting #2: cost 11 inf + 0
1552125897.481 * * [simplify]: Extracting #3: cost 8 inf + 3
1552125897.481 * * [simplify]: Extracting #4: cost 0 inf + 2281
1552125897.481 * [simplify]: Simplified to (- (pow x 4) (pow y 4))
1552125897.482 * [simplify]: Simplified (2) to (λ (x y) (- (pow x 4) (pow y 4)))
1552125897.491 * * [progress]: iteration 1 / 4
1552125897.491 * * * [progress]: picking best candidate
1552125897.498 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1552125897.498 * * * [progress]: localizing error
1552125898.285 * * * [progress]: generating rewritten candidates
1552125898.286 * * * [progress]: generating series expansions
1552125898.287 * * * [progress]: simplifying candidates
1552125898.287 * * * [progress]: adding candidates to table
1552125898.287 * [progress]: [Phase 3 of 3] Extracting.
1552125898.327 * [simplify]: Simplifying (- (pow x 4) (pow y 4))
1552125898.327 * * [simplify]: iters left: 3 (6 enodes)
1552125898.328 * * [simplify]: Extracting #0: cost 1 inf + 0
1552125898.328 * * [simplify]: Extracting #1: cost 3 inf + 0
1552125898.328 * * [simplify]: Extracting #2: cost 6 inf + 0
1552125898.328 * * [simplify]: Extracting #3: cost 2 inf + 215
1552125898.328 * * [simplify]: Extracting #4: cost 0 inf + 890
1552125898.329 * [simplify]: Simplified to (- (pow x 4) (pow y 4))
1552125900.866 * [regime-testing]: Baseline error score: 0.0018752344043005376
1552125900.868 * [regime-testing]: Oracle error score: 0.0018752344043005376
1552125900.868 * [regime-testing]: End program error score: 0.0018752344043005376