1550842229.464 * [misc]progress:  [Phase 1 of 3] Setting up.
1550842229.465 * * * [misc]progress:  [1/2] Preparing points
1550842229.949 * * * [misc]progress:  [2/2] Setting up program.
1550842229.956 * [misc]progress:  [Phase 2 of 3] Improving.
1550842229.957 * * * * [misc]progress:  [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550842229.958 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550842229.960 * * [misc]simplify:  iters left: 3 (6 enodes)
1550842229.970 * * [misc]simplify:  iters left: 2 (20 enodes)
1550842229.973 * * [misc]simplify:  iters left: 1 (23 enodes)
1550842229.977 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550842229.977 * * [misc]simplify:  Extracting #1: cost 5 inf + 0
1550842229.977 * * [misc]simplify:  Extracting #2: cost 11 inf + 0
1550842229.978 * * [misc]simplify:  Extracting #3: cost 8 inf + 3
1550842229.978 * * [misc]simplify:  Extracting #4: cost 0 inf + 2281
1550842229.978 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550842229.978 * [misc]simplify:  Simplified (2) to (λ (x y) (- (pow x 4) (pow y 4)))
1550842229.983 * * [misc]progress:  iteration 1 / 4
1550842229.983 * * * [misc]progress:  picking best candidate
1550842229.985 * * * * [misc]pick:  Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
1550842229.986 * * * [misc]progress:  localizing error
1550842229.997 * * * [misc]progress:  generating rewritten candidates
1550842229.998 * * * [misc]progress:  generating series expansions
1550842229.998 * * * [misc]progress:  simplifying candidates
1550842229.998 * * * [misc]progress:  adding candidates to table
1550842229.999 * [misc]progress:  [Phase 3 of 3] Extracting.
1550842230.003 * [enter]simplify:  Simplifying (- (pow x 4) (pow y 4))
1550842230.003 * * [misc]simplify:  iters left: 3 (6 enodes)
1550842230.003 * * [misc]simplify:  Extracting #0: cost 1 inf + 0
1550842230.004 * * [misc]simplify:  Extracting #1: cost 3 inf + 0
1550842230.004 * * [misc]simplify:  Extracting #2: cost 6 inf + 0
1550842230.004 * * [misc]simplify:  Extracting #3: cost 2 inf + 215
1550842230.004 * * [misc]simplify:  Extracting #4: cost 0 inf + 890
1550842230.004 * [exit]simplify:  Simplified to (- (pow x 4) (pow y 4))
1550842232.472 * [misc]regime-testing:  Baseline error score: 0.002250281285160645
1550842232.474 * [misc]regime-testing:  Oracle error score: 0.002250281285160645
1550842232.474 * [misc]regime-testing:  End program error score: 0.002250281285160645