1546593727.516 * [misc]progress: [Phase 1 of 3] Setting up. 1546593727.516 * * * [misc]progress: [1/2] Preparing points 1546593727.516 * * * * [misc]points: Sampling 256 additional inputs, on iter 0 have 0 / 256 1546593727.543 * * * * [misc]points: Filtering points with unrepresentable outputs 1546593727.544 * * * * [exit]points: Sampled 256 points with exact outputs 1546593727.544 * * * [misc]progress: [2/2] Setting up program. 1546593727.548 * [misc]progress: [Phase 2 of 3] Improving. 1546593727.548 * * * * [misc]progress: [ 1 / 1 ] simplifiying candidate # 1546593727.549 * [enter]simplify: Simplifying (/ (fabs (- a b)) 2) 1546593727.549 * * [misc]simplify: iters left: 5 (6 enodes) 1546593727.551 * * [misc]simplify: iters left: 4 (8 enodes) 1546593727.553 * * [misc]simplify: iters left: 3 (9 enodes) 1546593727.555 * [exit]simplify: Simplified to (/ (fabs (- a b)) 2) 1546593727.555 * [misc]simplify: Simplified (2) to (λ (a b) (/ (fabs (- a b)) 2)) 1546593727.561 * * [misc]progress: iteration 1 / 4 1546593727.561 * * * [misc]progress: picking best candidate 1546593727.565 * * * * [misc]pick: Picked # 1546593727.565 * * * [misc]progress: localizing error 1546593727.592 * * * [misc]progress: generating rewritten candidates 1546593727.592 * * * * [misc]progress: [ 1 / 1 ] rewriting at (2) 1546593727.597 * * * [misc]progress: generating series expansions 1546593727.597 * * * * [misc]progress: [ 1 / 1 ] generating series at (2) 1546593727.597 * [misc]backup-simplify: Simplify (/ (fabs (- a b)) 2) into (* 1/2 (fabs (- a b))) 1546593727.597 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- a b))) in (a b) around 0 1546593727.597 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in b 1546593727.597 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.597 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.597 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in b 1546593727.599 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546593727.599 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in a 1546593727.599 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.599 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.599 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in a 1546593727.600 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546593727.600 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in a 1546593727.600 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.600 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.600 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in a 1546593727.600 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546593727.600 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546593727.600 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in b 1546593727.600 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.600 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.600 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in b 1546593727.600 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546593727.600 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546593727.600 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546593727.601 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- a b)))) into 0 1546593727.601 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.601 * [misc]backup-simplify: Simplify 0 into 0 1546593727.601 * [misc]backup-simplify: Simplify 0 into 0 1546593727.601 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- a b)))) into 0 1546593727.601 * [misc]backup-simplify: Simplify 0 into 0 1546593727.602 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- a b))))) into 0 1546593727.602 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.602 * [misc]backup-simplify: Simplify 0 into 0 1546593727.602 * [misc]backup-simplify: Simplify 0 into 0 1546593727.602 * [misc]backup-simplify: Simplify 0 into 0 1546593727.602 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- a b))))) into 0 1546593727.602 * [misc]backup-simplify: Simplify 0 into 0 1546593727.603 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- a b)))))) into 0 1546593727.603 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.603 * [misc]backup-simplify: Simplify 0 into 0 1546593727.603 * [misc]backup-simplify: Simplify 0 into 0 1546593727.603 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546593727.604 * [misc]backup-simplify: Simplify (/ (fabs (- (/ 1 a) (/ 1 b))) 2) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546593727.604 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in (a b) around 0 1546593727.604 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in b 1546593727.604 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.604 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.604 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in b 1546593727.604 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546593727.604 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in a 1546593727.604 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.604 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.604 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in a 1546593727.604 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546593727.604 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in a 1546593727.604 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.604 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.604 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in a 1546593727.604 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546593727.605 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546593727.605 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in b 1546593727.605 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.605 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.605 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in b 1546593727.605 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546593727.605 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546593727.605 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546593727.605 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))) into 0 1546593727.605 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.606 * [misc]backup-simplify: Simplify 0 into 0 1546593727.606 * [misc]backup-simplify: Simplify 0 into 0 1546593727.606 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))) into 0 1546593727.606 * [misc]backup-simplify: Simplify 0 into 0 1546593727.606 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b)))))) into 0 1546593727.606 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.606 * [misc]backup-simplify: Simplify 0 into 0 1546593727.606 * [misc]backup-simplify: Simplify 0 into 0 1546593727.607 * [misc]backup-simplify: Simplify 0 into 0 1546593727.607 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b)))))) into 0 1546593727.607 * [misc]backup-simplify: Simplify 0 into 0 1546593727.608 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))))) into 0 1546593727.608 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.608 * [misc]backup-simplify: Simplify 0 into 0 1546593727.608 * [misc]backup-simplify: Simplify 0 into 0 1546593727.608 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 (/ 1 a)) (/ 1 (/ 1 b))))) into (* 1/2 (fabs (- a b))) 1546593727.608 * [misc]backup-simplify: Simplify (/ (fabs (- (/ 1 (- a)) (/ 1 (- b)))) 2) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546593727.608 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in (a b) around 0 1546593727.608 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in b 1546593727.608 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.608 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.608 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in b 1546593727.608 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546593727.608 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in a 1546593727.608 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.609 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.609 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in a 1546593727.609 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546593727.609 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in a 1546593727.609 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546593727.609 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.609 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in a 1546593727.609 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546593727.609 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546593727.609 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in b 1546593727.609 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546593727.609 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546593727.609 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in b 1546593727.609 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546593727.610 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546593727.610 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546593727.610 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))) into 0 1546593727.610 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.610 * [misc]backup-simplify: Simplify 0 into 0 1546593727.610 * [misc]backup-simplify: Simplify 0 into 0 1546593727.610 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))) into 0 1546593727.611 * [misc]backup-simplify: Simplify 0 into 0 1546593727.611 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a)))))) into 0 1546593727.611 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.611 * [misc]backup-simplify: Simplify 0 into 0 1546593727.611 * [misc]backup-simplify: Simplify 0 into 0 1546593727.611 * [misc]backup-simplify: Simplify 0 into 0 1546593727.612 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a)))))) into 0 1546593727.612 * [misc]backup-simplify: Simplify 0 into 0 1546593727.612 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))))) into 0 1546593727.612 * [misc]taylor: Taking taylor expansion of 0 in b 1546593727.612 * [misc]backup-simplify: Simplify 0 into 0 1546593727.612 * [misc]backup-simplify: Simplify 0 into 0 1546593727.613 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 (/ 1 (- b))) (/ 1 (/ 1 (- a)))))) into (* 1/2 (fabs (- a b))) 1546593727.613 * * * [misc]progress: simplifying candidates 1546593727.613 * * * * [misc]progress: [ 1 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 2 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 3 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 4 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 5 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 6 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 7 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 8 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 9 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 10 / 16 ] simplifiying candidate # 1546593727.613 * * * * [misc]progress: [ 11 / 16 ] simplifiying candidate # 1546593727.614 * [enter]simplify: Simplifying (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) 1546593727.614 * * [misc]simplify: iters left: 6 (6 enodes) 1546593727.615 * * [misc]simplify: iters left: 5 (8 enodes) 1546593727.618 * * [misc]simplify: iters left: 4 (9 enodes) 1546593727.620 * [exit]simplify: Simplified to (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) 1546593727.620 * [misc]simplify: Simplified (2 1) to (λ (a b) (/ (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) (/ 2 (cbrt (fabs (- a b)))))) 1546593727.621 * * * * [misc]progress: [ 12 / 16 ] simplifiying candidate # 1546593727.621 * [enter]simplify: Simplifying (sqrt (fabs (- a b))) 1546593727.621 * * [misc]simplify: iters left: 4 (5 enodes) 1546593727.622 * * [misc]simplify: iters left: 3 (7 enodes) 1546593727.624 * * [misc]simplify: iters left: 2 (8 enodes) 1546593727.625 * [exit]simplify: Simplified to (sqrt (fabs (- a b))) 1546593727.625 * [misc]simplify: Simplified (2 1) to (λ (a b) (/ (sqrt (fabs (- a b))) (/ 2 (sqrt (fabs (- a b)))))) 1546593727.625 * * * * [misc]progress: [ 13 / 16 ] simplifiying candidate # 1546593727.625 * * * * [misc]progress: [ 14 / 16 ] simplifiying candidate # 1546593727.625 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546593727.625 * * [misc]simplify: iters left: 5 (6 enodes) 1546593727.626 * * [misc]simplify: iters left: 4 (9 enodes) 1546593727.627 * * [misc]simplify: iters left: 3 (10 enodes) 1546593727.629 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546593727.629 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546593727.629 * * * * [misc]progress: [ 15 / 16 ] simplifiying candidate # 1546593727.629 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546593727.629 * * [misc]simplify: iters left: 5 (6 enodes) 1546593727.630 * * [misc]simplify: iters left: 4 (9 enodes) 1546593727.631 * * [misc]simplify: iters left: 3 (10 enodes) 1546593727.632 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546593727.632 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546593727.632 * * * * [misc]progress: [ 16 / 16 ] simplifiying candidate # 1546593727.632 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546593727.632 * * [misc]simplify: iters left: 5 (6 enodes) 1546593727.633 * * [misc]simplify: iters left: 4 (9 enodes) 1546593727.634 * * [misc]simplify: iters left: 3 (10 enodes) 1546593727.635 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546593727.635 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546593727.635 * * * [misc]progress: adding candidates to table 1546593727.781 * [misc]progress: [Phase 3 of 3] Extracting. 1546593727.786 * [enter]simplify: Simplifying (/ (fabs (- a b)) 2) 1546593727.786 * * [misc]simplify: iters left: 5 (6 enodes) 1546593727.786 * [exit]simplify: Simplified to (/ (fabs (- a b)) 2) 1546593727.786 * * * * [misc]points: Sampling 8000 additional inputs, on iter 0 have 0 / 8000 1546593728.554 * * * * [misc]points: Filtering points with unrepresentable outputs 1546593728.559 * * * * [exit]points: Sampled 8000 points with exact outputs 1546593728.811 * [misc]regime-testing: Baseline error score: 0 1546593728.812 * [misc]regime-testing: Oracle error score: 0 1546593728.813 * [misc]regime-testing: End program error score: 0