1550653292.600 * [misc]progress:  [Phase 1 of 3] Setting up.
1550653292.601 * * * [misc]progress:  [1/2] Preparing points
1550653292.721 * * * [misc]progress:  [2/2] Setting up program.
1550653292.728 * [misc]progress:  [Phase 2 of 3] Improving.
1550653292.729 * * * * [misc]progress:  [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550653292.730 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550653292.775 * * [misc]simplify:  iters left: 3 (6 enodes)
1550653292.784 * * [misc]simplify:  iters left: 2 (20 enodes)
1550653292.788 * * [misc]simplify:  iters left: 1 (23 enodes)
1550653292.792 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550653292.793 * * [misc]simplify:  Extracting #1: cost 5 inf + 0
1550653292.793 * * [misc]simplify:  Extracting #2: cost 11 inf + 0
1550653292.793 * * [misc]simplify:  Extracting #3: cost 8 inf + 3
1550653292.793 * * [misc]simplify:  Extracting #4: cost 0 inf + 2281
1550653292.793 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550653292.794 * [misc]simplify:  Simplified (2) to (λ (x y) (- (pow x 4) (pow y 4)))
1550653292.798 * * [misc]progress:  iteration 1 / 4
1550653292.798 * * * [misc]progress:  picking best candidate
1550653292.800 * * * * [misc]pick:  Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550653292.800 * * * [misc]progress:  localizing error
1550653292.811 * * * [misc]progress:  generating rewritten candidates
1550653292.812 * * * [misc]progress:  generating series expansions
1550653292.812 * * * [misc]progress:  simplifying candidates
1550653292.812 * * * [misc]progress:  adding candidates to table
1550653292.813 * [misc]progress:  [Phase 3 of 3] Extracting.
1550653292.815 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550653292.815 * * [misc]simplify:  iters left: 3 (6 enodes)
1550653292.816 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550653292.816 * * [misc]simplify:  Extracting #1: cost 3 inf + 0
1550653292.816 * * [misc]simplify:  Extracting #2: cost 6 inf + 0
1550653292.816 * * [misc]simplify:  Extracting #3: cost 2 inf + 215
1550653292.816 * * [misc]simplify:  Extracting #4: cost 0 inf + 890
1550653292.816 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550653295.076 * [misc]regime-testing:  Baseline error score: 0.002000250031253907
1550653295.077 * [misc]regime-testing:  Oracle error score: 0.002000250031253907
1550653295.077 * [misc]regime-testing:  End program error score: 0.002000250031253907