1546596991.590 * [misc]progress: [Phase 1 of 3] Setting up. 1546596991.590 * * * [misc]progress: [1/2] Preparing points 1546596991.590 * * * * [misc]points: Sampling 256 additional inputs, on iter 0 have 0 / 256 1546596991.603 * * * * [misc]points: Filtering points with unrepresentable outputs 1546596991.604 * * * * [exit]points: Sampled 256 points with exact outputs 1546596991.604 * * * [misc]progress: [2/2] Setting up program. 1546596991.606 * [misc]progress: [Phase 2 of 3] Improving. 1546596991.606 * * * * [misc]progress: [ 1 / 1 ] simplifiying candidate # 1546596991.606 * [enter]simplify: Simplifying (/ (fabs (- a b)) 2) 1546596991.606 * * [misc]simplify: iters left: 5 (6 enodes) 1546596991.607 * * [misc]simplify: iters left: 4 (8 enodes) 1546596991.608 * * [misc]simplify: iters left: 3 (9 enodes) 1546596991.610 * [exit]simplify: Simplified to (/ (fabs (- a b)) 2) 1546596991.610 * [misc]simplify: Simplified (2) to (λ (a b) (/ (fabs (- a b)) 2)) 1546596991.613 * * [misc]progress: iteration 1 / 4 1546596991.613 * * * [misc]progress: picking best candidate 1546596991.615 * * * * [misc]pick: Picked # 1546596991.615 * * * [misc]progress: localizing error 1546596991.637 * * * [misc]progress: generating rewritten candidates 1546596991.637 * * * * [misc]progress: [ 1 / 1 ] rewriting at (2) 1546596991.643 * * * [misc]progress: generating series expansions 1546596991.643 * * * * [misc]progress: [ 1 / 1 ] generating series at (2) 1546596991.644 * [misc]backup-simplify: Simplify (/ (fabs (- a b)) 2) into (* 1/2 (fabs (- a b))) 1546596991.644 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- a b))) in (a b) around 0 1546596991.644 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in b 1546596991.644 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.644 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.644 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in b 1546596991.646 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546596991.646 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in a 1546596991.646 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.646 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.646 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in a 1546596991.646 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546596991.646 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in a 1546596991.646 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.646 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.646 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in a 1546596991.646 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546596991.647 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546596991.647 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- a b))) in b 1546596991.647 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.647 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.647 * [misc]taylor: Taking taylor expansion of (fabs (- a b)) in b 1546596991.647 * [misc]backup-simplify: Simplify (fabs (- a b)) into (fabs (- a b)) 1546596991.647 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546596991.647 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546596991.648 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- a b)))) into 0 1546596991.648 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.648 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- a b)))) into 0 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.648 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- a b))))) into 0 1546596991.648 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.648 * [misc]backup-simplify: Simplify 0 into 0 1546596991.649 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- a b))))) into 0 1546596991.649 * [misc]backup-simplify: Simplify 0 into 0 1546596991.650 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- a b)))))) into 0 1546596991.650 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.650 * [misc]backup-simplify: Simplify 0 into 0 1546596991.650 * [misc]backup-simplify: Simplify 0 into 0 1546596991.650 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- a b))) into (* 1/2 (fabs (- a b))) 1546596991.650 * [misc]backup-simplify: Simplify (/ (fabs (- (/ 1 a) (/ 1 b))) 2) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546596991.650 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in (a b) around 0 1546596991.650 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in b 1546596991.650 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.650 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.650 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in b 1546596991.650 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546596991.650 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in a 1546596991.650 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.650 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.650 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in a 1546596991.651 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546596991.651 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in a 1546596991.651 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.651 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.651 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in a 1546596991.651 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546596991.651 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546596991.651 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) in b 1546596991.651 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.651 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.651 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 a) (/ 1 b))) in b 1546596991.651 * [misc]backup-simplify: Simplify (fabs (- (/ 1 a) (/ 1 b))) into (fabs (- (/ 1 a) (/ 1 b))) 1546596991.651 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546596991.652 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) into (* 1/2 (fabs (- (/ 1 a) (/ 1 b)))) 1546596991.652 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))) into 0 1546596991.652 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.652 * [misc]backup-simplify: Simplify 0 into 0 1546596991.652 * [misc]backup-simplify: Simplify 0 into 0 1546596991.652 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))) into 0 1546596991.652 * [misc]backup-simplify: Simplify 0 into 0 1546596991.653 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b)))))) into 0 1546596991.653 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.653 * [misc]backup-simplify: Simplify 0 into 0 1546596991.653 * [misc]backup-simplify: Simplify 0 into 0 1546596991.653 * [misc]backup-simplify: Simplify 0 into 0 1546596991.653 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b)))))) into 0 1546596991.653 * [misc]backup-simplify: Simplify 0 into 0 1546596991.654 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 a) (/ 1 b))))))) into 0 1546596991.654 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.654 * [misc]backup-simplify: Simplify 0 into 0 1546596991.654 * [misc]backup-simplify: Simplify 0 into 0 1546596991.654 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 (/ 1 a)) (/ 1 (/ 1 b))))) into (* 1/2 (fabs (- a b))) 1546596991.655 * [misc]backup-simplify: Simplify (/ (fabs (- (/ 1 (- a)) (/ 1 (- b)))) 2) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546596991.655 * [misc]approximate: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in (a b) around 0 1546596991.655 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in b 1546596991.655 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.655 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.655 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in b 1546596991.655 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546596991.655 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in a 1546596991.655 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.655 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.655 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in a 1546596991.655 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546596991.655 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in a 1546596991.655 * [misc]taylor: Taking taylor expansion of 1/2 in a 1546596991.655 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.655 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in a 1546596991.655 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546596991.655 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546596991.656 * [misc]taylor: Taking taylor expansion of (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) in b 1546596991.656 * [misc]taylor: Taking taylor expansion of 1/2 in b 1546596991.656 * [misc]backup-simplify: Simplify 1/2 into 1/2 1546596991.656 * [misc]taylor: Taking taylor expansion of (fabs (- (/ 1 b) (/ 1 a))) in b 1546596991.656 * [misc]backup-simplify: Simplify (fabs (- (/ 1 b) (/ 1 a))) into (fabs (- (/ 1 b) (/ 1 a))) 1546596991.656 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546596991.656 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) into (* 1/2 (fabs (- (/ 1 b) (/ 1 a)))) 1546596991.656 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))) into 0 1546596991.656 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.656 * [misc]backup-simplify: Simplify 0 into 0 1546596991.656 * [misc]backup-simplify: Simplify 0 into 0 1546596991.657 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))) into 0 1546596991.657 * [misc]backup-simplify: Simplify 0 into 0 1546596991.657 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a)))))) into 0 1546596991.657 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.657 * [misc]backup-simplify: Simplify 0 into 0 1546596991.657 * [misc]backup-simplify: Simplify 0 into 0 1546596991.657 * [misc]backup-simplify: Simplify 0 into 0 1546596991.658 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a)))))) into 0 1546596991.658 * [misc]backup-simplify: Simplify 0 into 0 1546596991.658 * [misc]backup-simplify: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 0) (* 0 (fabs (- (/ 1 b) (/ 1 a))))))) into 0 1546596991.658 * [misc]taylor: Taking taylor expansion of 0 in b 1546596991.659 * [misc]backup-simplify: Simplify 0 into 0 1546596991.659 * [misc]backup-simplify: Simplify 0 into 0 1546596991.659 * [misc]backup-simplify: Simplify (* 1/2 (fabs (- (/ 1 (/ 1 (- b))) (/ 1 (/ 1 (- a)))))) into (* 1/2 (fabs (- a b))) 1546596991.659 * * * [misc]progress: simplifying candidates 1546596991.659 * * * * [misc]progress: [ 1 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 2 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 3 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 4 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 5 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 6 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 7 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 8 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 9 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 10 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 11 / 18 ] simplifiying candidate # 1546596991.659 * * * * [misc]progress: [ 12 / 18 ] simplifiying candidate # 1546596991.660 * * * * [misc]progress: [ 13 / 18 ] simplifiying candidate # 1546596991.660 * [enter]simplify: Simplifying (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) 1546596991.660 * * [misc]simplify: iters left: 6 (6 enodes) 1546596991.662 * * [misc]simplify: iters left: 5 (8 enodes) 1546596991.665 * * [misc]simplify: iters left: 4 (9 enodes) 1546596991.667 * [exit]simplify: Simplified to (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) 1546596991.667 * [misc]simplify: Simplified (2 1) to (λ (a b) (/ (* (cbrt (fabs (- a b))) (cbrt (fabs (- a b)))) (/ 2 (cbrt (fabs (- a b)))))) 1546596991.667 * * * * [misc]progress: [ 14 / 18 ] simplifiying candidate # 1546596991.668 * [enter]simplify: Simplifying (sqrt (fabs (- a b))) 1546596991.668 * * [misc]simplify: iters left: 4 (5 enodes) 1546596991.669 * * [misc]simplify: iters left: 3 (7 enodes) 1546596991.671 * * [misc]simplify: iters left: 2 (8 enodes) 1546596991.673 * [exit]simplify: Simplified to (sqrt (fabs (- a b))) 1546596991.673 * [misc]simplify: Simplified (2 1) to (λ (a b) (/ (sqrt (fabs (- a b))) (/ 2 (sqrt (fabs (- a b)))))) 1546596991.673 * * * * [misc]progress: [ 15 / 18 ] simplifiying candidate # 1546596991.673 * * * * [misc]progress: [ 16 / 18 ] simplifiying candidate # 1546596991.674 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546596991.674 * * [misc]simplify: iters left: 5 (6 enodes) 1546596991.676 * * [misc]simplify: iters left: 4 (9 enodes) 1546596991.678 * * [misc]simplify: iters left: 3 (10 enodes) 1546596991.681 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546596991.681 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546596991.681 * * * * [misc]progress: [ 17 / 18 ] simplifiying candidate # 1546596991.681 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546596991.681 * * [misc]simplify: iters left: 5 (6 enodes) 1546596991.683 * * [misc]simplify: iters left: 4 (9 enodes) 1546596991.686 * * [misc]simplify: iters left: 3 (10 enodes) 1546596991.688 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546596991.689 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546596991.689 * * * * [misc]progress: [ 18 / 18 ] simplifiying candidate # 1546596991.689 * [enter]simplify: Simplifying (* 1/2 (fabs (- a b))) 1546596991.689 * * [misc]simplify: iters left: 5 (6 enodes) 1546596991.691 * * [misc]simplify: iters left: 4 (9 enodes) 1546596991.693 * * [misc]simplify: iters left: 3 (10 enodes) 1546596991.696 * [exit]simplify: Simplified to (* (fabs (- a b)) 1/2) 1546596991.696 * [misc]simplify: Simplified (2) to (λ (a b) (* (fabs (- a b)) 1/2)) 1546596991.696 * * * [misc]progress: adding candidates to table 1546596991.815 * [misc]progress: [Phase 3 of 3] Extracting. 1546596991.817 * [enter]simplify: Simplifying (/ (fabs (- a b)) 2) 1546596991.817 * * [misc]simplify: iters left: 5 (6 enodes) 1546596991.817 * [exit]simplify: Simplified to (/ (fabs (- a b)) 2) 1546596991.818 * * * * [misc]points: Sampling 8000 additional inputs, on iter 0 have 0 / 8000 1546596992.465 * * * * [misc]points: Filtering points with unrepresentable outputs 1546596992.467 * * * * [exit]points: Sampled 8000 points with exact outputs 1546596992.760 * [misc]regime-testing: Baseline error score: 0 1546596992.761 * [misc]regime-testing: Oracle error score: 0 1546596992.762 * [misc]regime-testing: End program error score: 0