1550608025.284 * [misc]progress:  [Phase 1 of 3] Setting up.
1550608025.286 * * * [misc]progress:  [1/2] Preparing points
1550608025.417 * * * [misc]progress:  [2/2] Setting up program.
1550608025.424 * [misc]progress:  [Phase 2 of 3] Improving.
1550608025.424 * * * * [misc]progress:  [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550608025.426 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550608025.428 * * [misc]simplify:  iters left: 3 (6 enodes)
1550608025.495 * * [misc]simplify:  iters left: 2 (20 enodes)
1550608025.503 * * [misc]simplify:  iters left: 1 (23 enodes)
1550608025.510 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550608025.510 * * [misc]simplify:  Extracting #1: cost 5 inf + 0
1550608025.510 * * [misc]simplify:  Extracting #2: cost 11 inf + 0
1550608025.511 * * [misc]simplify:  Extracting #3: cost 8 inf + 3
1550608025.511 * * [misc]simplify:  Extracting #4: cost 0 inf + 2281
1550608025.512 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550608025.512 * [misc]simplify:  Simplified (2) to (λ (x y) (- (pow x 4) (pow y 4)))
1550608025.520 * * [misc]progress:  iteration 1 / 4
1550608025.520 * * * [misc]progress:  picking best candidate
1550608025.525 * * * * [misc]pick:  Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550608025.525 * * * [misc]progress:  localizing error
1550608025.546 * * * [misc]progress:  generating rewritten candidates
1550608025.547 * * * [misc]progress:  generating series expansions
1550608025.547 * * * [misc]progress:  simplifying candidates
1550608025.547 * * * [misc]progress:  adding candidates to table
1550608025.547 * [misc]progress:  [Phase 3 of 3] Extracting.
1550608025.550 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550608025.550 * * [misc]simplify:  iters left: 3 (6 enodes)
1550608025.551 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550608025.551 * * [misc]simplify:  Extracting #1: cost 3 inf + 0
1550608025.551 * * [misc]simplify:  Extracting #2: cost 6 inf + 0
1550608025.551 * * [misc]simplify:  Extracting #3: cost 2 inf + 215
1550608025.551 * * [misc]simplify:  Extracting #4: cost 0 inf + 890
1550608025.551 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550608028.212 * [misc]regime-testing:  Baseline error score: 0.0026253281660207524
1550608028.214 * [misc]regime-testing:  Oracle error score: 0.0026253281660207524
1550608028.215 * [misc]regime-testing:  End program error score: 0.0026253281660207524