1.720 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.043 * * * [progress]: [2/2] Setting up program. 0.045 * [progress]: [Phase 2 of 3] Improving. 0.045 * [simplify]: Simplifying: (+ x (* y (/ (- z t) (- a t)))) 0.045 * * [simplify]: Extracting # 0 : cost 0 0.045 * * [simplify]: Extracting # 1 : cost 0 0.045 * * [simplify]: Extracting # 2 : cost 0 0.045 * * [simplify]: Extracting # 3 : cost 0 0.045 * * [simplify]: Extracting # 4 : cost 0 0.045 * * [simplify]: Extracting # 5 : cost 0 0.045 * * [simplify]: Extracting # 6 : cost 0 0.045 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.047 * * [simplify]: Extracting # 0 : cost 0 0.047 * * [simplify]: Extracting # 1 : cost 0 0.047 * * [simplify]: Extracting # 2 : cost 0 0.047 * * [simplify]: iteration 1 : 20 enodes (cost 11 ) 0.049 * * [simplify]: Extracting # 0 : cost 0 0.049 * * [simplify]: Extracting # 1 : cost 0 0.049 * * [simplify]: Extracting # 2 : cost 0 0.050 * * [simplify]: iteration 2 : 36 enodes (cost 10 ) 0.056 * * [simplify]: Extracting # 0 : cost 0 0.056 * * [simplify]: Extracting # 1 : cost 0 0.056 * * [simplify]: Extracting # 2 : cost 0 0.056 * * [simplify]: iteration 3 : 59 enodes (cost 10 ) 0.067 * * [simplify]: Extracting # 0 : cost 0 0.067 * * [simplify]: Extracting # 1 : cost 0 0.067 * * [simplify]: Extracting # 2 : cost 0 0.067 * * [simplify]: iteration 4 : 102 enodes (cost 10 ) 0.089 * * [simplify]: Extracting # 0 : cost 0 0.089 * * [simplify]: Extracting # 1 : cost 0 0.089 * * [simplify]: Extracting # 2 : cost 0 0.090 * * [simplify]: iteration 5 : 161 enodes (cost 10 ) 0.157 * * [simplify]: Extracting # 0 : cost 0 0.157 * * [simplify]: Extracting # 1 : cost 0 0.158 * * [simplify]: Extracting # 2 : cost 0 0.158 * * [simplify]: iteration 6 : 212 enodes (cost 10 ) 0.234 * * [simplify]: Extracting # 0 : cost 0 0.235 * * [simplify]: Extracting # 1 : cost 0 0.235 * * [simplify]: Extracting # 2 : cost 0 0.235 * * [simplify]: iteration 7 : 240 enodes (cost 10 ) 0.334 * * [simplify]: Extracting # 0 : cost 0 0.335 * * [simplify]: Extracting # 1 : cost 0 0.335 * * [simplify]: Extracting # 2 : cost 0 0.335 * * [simplify]: Extracting # 3 : cost 0 0.336 * * [simplify]: iteration 8 : 278 enodes (cost 10 ) 0.400 * * [simplify]: Extracting # 0 : cost 0 0.400 * * [simplify]: Extracting # 1 : cost 0 0.401 * * [simplify]: Extracting # 2 : cost 0 0.401 * * [simplify]: iteration 9 : 319 enodes (cost 10 ) 0.492 * * [simplify]: Extracting # 0 : cost 0 0.493 * * [simplify]: Extracting # 1 : cost 0 0.494 * * [simplify]: Extracting # 2 : cost 0 0.495 * * [simplify]: iteration 10 : 404 enodes (cost 10 ) 0.728 * * [simplify]: Extracting # 0 : cost 0 0.728 * * [simplify]: Extracting # 1 : cost 0 0.729 * * [simplify]: Extracting # 2 : cost 0 0.729 * * [simplify]: iteration 11 : 502 enodes (cost 10 ) 0.870 * * [simplify]: Extracting # 0 : cost 0 0.871 * * [simplify]: Extracting # 1 : cost 0 0.872 * * [simplify]: Extracting # 2 : cost 0 0.872 * * [simplify]: iteration 12 : 570 enodes (cost 10 ) 1.104 * * [simplify]: Extracting # 0 : cost 0 1.105 * * [simplify]: Extracting # 1 : cost 0 1.106 * * [simplify]: Extracting # 2 : cost 0 1.107 * * [simplify]: iteration 13 : 634 enodes (cost 10 ) 1.441 * * [simplify]: Extracting # 0 : cost 0 1.442 * * [simplify]: Extracting # 1 : cost 0 1.443 * * [simplify]: iteration 14 : 662 enodes (cost 10 ) 1.682 * * [simplify]: Extracting # 0 : cost 0 1.682 * * [simplify]: iteration done: 662 enodes (cost 10 ) 1.682 * [simplify]: Simplified to: (fma (/ (- z t) (- a t)) y x) 1.686 * * [progress]: iteration 1 / 4 1.686 * * * [progress]: picking best candidate 1.688 * * * * [pick]: Picked # 1.688 * * * [progress]: localizing error 1.698 * * * [progress]: generating rewritten candidates 1.698 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 1.698 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 1.754 * * * [progress]: generating series expansions 1.754 * * * * [progress]: [ 1 / 2 ] generating series at (2) 1.755 * [backup-simplify]: Simplify (fma (/ (- z t) (- a t)) y x) into (fma (/ (- z t) (- a t)) y x) 1.755 * [approximate]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in (z t a y x) around 0 1.755 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in x 1.755 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.755 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in x 1.755 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in x 1.755 * [taylor]: Taking taylor expansion of (- z t) in x 1.755 * [taylor]: Taking taylor expansion of z in x 1.755 * [backup-simplify]: Simplify z into z 1.755 * [taylor]: Taking taylor expansion of t in x 1.755 * [backup-simplify]: Simplify t into t 1.755 * [taylor]: Taking taylor expansion of (- a t) in x 1.755 * [taylor]: Taking taylor expansion of a in x 1.755 * [backup-simplify]: Simplify a into a 1.755 * [taylor]: Taking taylor expansion of t in x 1.755 * [backup-simplify]: Simplify t into t 1.756 * [backup-simplify]: Simplify (- t) into (- t) 1.756 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.756 * [backup-simplify]: Simplify (- t) into (- t) 1.756 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.756 * [backup-simplify]: Simplify (/ (- z t) (- a t)) into (/ (- z t) (- a t)) 1.756 * [taylor]: Taking taylor expansion of y in x 1.756 * [backup-simplify]: Simplify y into y 1.756 * [taylor]: Taking taylor expansion of x in x 1.756 * [backup-simplify]: Simplify 0 into 0 1.756 * [backup-simplify]: Simplify 1 into 1 1.756 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in y 1.756 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.756 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in y 1.756 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in y 1.756 * [taylor]: Taking taylor expansion of (- z t) in y 1.756 * [taylor]: Taking taylor expansion of z in y 1.756 * [backup-simplify]: Simplify z into z 1.756 * [taylor]: Taking taylor expansion of t in y 1.756 * [backup-simplify]: Simplify t into t 1.756 * [taylor]: Taking taylor expansion of (- a t) in y 1.756 * [taylor]: Taking taylor expansion of a in y 1.756 * [backup-simplify]: Simplify a into a 1.756 * [taylor]: Taking taylor expansion of t in y 1.757 * [backup-simplify]: Simplify t into t 1.757 * [backup-simplify]: Simplify (- t) into (- t) 1.757 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.757 * [backup-simplify]: Simplify (- t) into (- t) 1.757 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.757 * [backup-simplify]: Simplify (/ (- z t) (- a t)) into (/ (- z t) (- a t)) 1.757 * [taylor]: Taking taylor expansion of y in y 1.757 * [backup-simplify]: Simplify 0 into 0 1.757 * [backup-simplify]: Simplify 1 into 1 1.757 * [taylor]: Taking taylor expansion of x in y 1.757 * [backup-simplify]: Simplify x into x 1.757 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in a 1.757 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.757 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in a 1.757 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in a 1.757 * [taylor]: Taking taylor expansion of (- z t) in a 1.757 * [taylor]: Taking taylor expansion of z in a 1.757 * [backup-simplify]: Simplify z into z 1.757 * [taylor]: Taking taylor expansion of t in a 1.757 * [backup-simplify]: Simplify t into t 1.757 * [taylor]: Taking taylor expansion of (- a t) in a 1.757 * [taylor]: Taking taylor expansion of a in a 1.758 * [backup-simplify]: Simplify 0 into 0 1.758 * [backup-simplify]: Simplify 1 into 1 1.758 * [taylor]: Taking taylor expansion of t in a 1.758 * [backup-simplify]: Simplify t into t 1.758 * [backup-simplify]: Simplify (- t) into (- t) 1.758 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.758 * [backup-simplify]: Simplify (- t) into (- t) 1.758 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.758 * [backup-simplify]: Simplify (/ (- z t) (- t)) into (* -1 (/ (- z t) t)) 1.758 * [taylor]: Taking taylor expansion of y in a 1.758 * [backup-simplify]: Simplify y into y 1.758 * [taylor]: Taking taylor expansion of x in a 1.758 * [backup-simplify]: Simplify x into x 1.758 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in t 1.758 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.758 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in t 1.758 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in t 1.758 * [taylor]: Taking taylor expansion of (- z t) in t 1.758 * [taylor]: Taking taylor expansion of z in t 1.758 * [backup-simplify]: Simplify z into z 1.758 * [taylor]: Taking taylor expansion of t in t 1.758 * [backup-simplify]: Simplify 0 into 0 1.758 * [backup-simplify]: Simplify 1 into 1 1.759 * [taylor]: Taking taylor expansion of (- a t) in t 1.759 * [taylor]: Taking taylor expansion of a in t 1.759 * [backup-simplify]: Simplify a into a 1.759 * [taylor]: Taking taylor expansion of t in t 1.759 * [backup-simplify]: Simplify 0 into 0 1.759 * [backup-simplify]: Simplify 1 into 1 1.759 * [backup-simplify]: Simplify (- 0) into 0 1.759 * [backup-simplify]: Simplify (+ z 0) into z 1.760 * [backup-simplify]: Simplify (- 0) into 0 1.760 * [backup-simplify]: Simplify (+ a 0) into a 1.760 * [backup-simplify]: Simplify (/ z a) into (/ z a) 1.760 * [taylor]: Taking taylor expansion of y in t 1.760 * [backup-simplify]: Simplify y into y 1.760 * [taylor]: Taking taylor expansion of x in t 1.760 * [backup-simplify]: Simplify x into x 1.760 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in z 1.760 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.760 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in z 1.760 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in z 1.760 * [taylor]: Taking taylor expansion of (- z t) in z 1.760 * [taylor]: Taking taylor expansion of z in z 1.760 * [backup-simplify]: Simplify 0 into 0 1.760 * [backup-simplify]: Simplify 1 into 1 1.760 * [taylor]: Taking taylor expansion of t in z 1.761 * [backup-simplify]: Simplify t into t 1.761 * [taylor]: Taking taylor expansion of (- a t) in z 1.761 * [taylor]: Taking taylor expansion of a in z 1.761 * [backup-simplify]: Simplify a into a 1.761 * [taylor]: Taking taylor expansion of t in z 1.761 * [backup-simplify]: Simplify t into t 1.761 * [backup-simplify]: Simplify (- t) into (- t) 1.761 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.761 * [backup-simplify]: Simplify (- t) into (- t) 1.761 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.761 * [backup-simplify]: Simplify (/ (- t) (- a t)) into (* -1 (/ t (- a t))) 1.761 * [taylor]: Taking taylor expansion of y in z 1.761 * [backup-simplify]: Simplify y into y 1.761 * [taylor]: Taking taylor expansion of x in z 1.761 * [backup-simplify]: Simplify x into x 1.761 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in z 1.761 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.761 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in z 1.761 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in z 1.761 * [taylor]: Taking taylor expansion of (- z t) in z 1.761 * [taylor]: Taking taylor expansion of z in z 1.761 * [backup-simplify]: Simplify 0 into 0 1.761 * [backup-simplify]: Simplify 1 into 1 1.761 * [taylor]: Taking taylor expansion of t in z 1.762 * [backup-simplify]: Simplify t into t 1.762 * [taylor]: Taking taylor expansion of (- a t) in z 1.762 * [taylor]: Taking taylor expansion of a in z 1.762 * [backup-simplify]: Simplify a into a 1.762 * [taylor]: Taking taylor expansion of t in z 1.762 * [backup-simplify]: Simplify t into t 1.762 * [backup-simplify]: Simplify (- t) into (- t) 1.762 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.762 * [backup-simplify]: Simplify (- t) into (- t) 1.762 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.762 * [backup-simplify]: Simplify (/ (- t) (- a t)) into (* -1 (/ t (- a t))) 1.762 * [taylor]: Taking taylor expansion of y in z 1.762 * [backup-simplify]: Simplify y into y 1.762 * [taylor]: Taking taylor expansion of x in z 1.762 * [backup-simplify]: Simplify x into x 1.762 * [backup-simplify]: Simplify (* (* -1 (/ t (- a t))) y) into (* -1 (/ (* t y) (- a t))) 1.763 * [backup-simplify]: Simplify (+ (* -1 (/ (* t y) (- a t))) x) into (- x (/ (* t y) (- a t))) 1.763 * [taylor]: Taking taylor expansion of (- x (/ (* t y) (- a t))) in t 1.763 * [taylor]: Taking taylor expansion of x in t 1.763 * [backup-simplify]: Simplify x into x 1.763 * [taylor]: Taking taylor expansion of (/ (* t y) (- a t)) in t 1.763 * [taylor]: Taking taylor expansion of (* t y) in t 1.763 * [taylor]: Taking taylor expansion of t in t 1.763 * [backup-simplify]: Simplify 0 into 0 1.763 * [backup-simplify]: Simplify 1 into 1 1.763 * [taylor]: Taking taylor expansion of y in t 1.763 * [backup-simplify]: Simplify y into y 1.763 * [taylor]: Taking taylor expansion of (- a t) in t 1.763 * [taylor]: Taking taylor expansion of a in t 1.763 * [backup-simplify]: Simplify a into a 1.763 * [taylor]: Taking taylor expansion of t in t 1.763 * [backup-simplify]: Simplify 0 into 0 1.763 * [backup-simplify]: Simplify 1 into 1 1.763 * [backup-simplify]: Simplify (* 0 y) into 0 1.764 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 1.764 * [backup-simplify]: Simplify (- 0) into 0 1.764 * [backup-simplify]: Simplify (+ a 0) into a 1.764 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.764 * [backup-simplify]: Simplify (+ x 0) into x 1.764 * [taylor]: Taking taylor expansion of x in a 1.764 * [backup-simplify]: Simplify x into x 1.764 * [taylor]: Taking taylor expansion of x in y 1.764 * [backup-simplify]: Simplify x into x 1.764 * [taylor]: Taking taylor expansion of x in x 1.764 * [backup-simplify]: Simplify 0 into 0 1.764 * [backup-simplify]: Simplify 1 into 1 1.764 * [backup-simplify]: Simplify 0 into 0 1.765 * [backup-simplify]: Simplify (- 0) into 0 1.765 * [backup-simplify]: Simplify (+ 1 0) into 1 1.766 * [backup-simplify]: Simplify (- 0) into 0 1.766 * [backup-simplify]: Simplify (+ 0 0) into 0 1.766 * [backup-simplify]: Simplify (- (/ 1 (- a t)) (+ (* (* -1 (/ t (- a t))) (/ 0 (- a t))))) into (/ 1 (- a t)) 1.767 * [backup-simplify]: Simplify (+ (* (* -1 (/ t (- a t))) 0) (* (/ 1 (- a t)) y)) into (/ y (- a t)) 1.767 * [backup-simplify]: Simplify (+ (/ y (- a t)) 0) into (/ y (- a t)) 1.767 * [taylor]: Taking taylor expansion of (/ y (- a t)) in t 1.767 * [taylor]: Taking taylor expansion of y in t 1.767 * [backup-simplify]: Simplify y into y 1.767 * [taylor]: Taking taylor expansion of (- a t) in t 1.767 * [taylor]: Taking taylor expansion of a in t 1.767 * [backup-simplify]: Simplify a into a 1.767 * [taylor]: Taking taylor expansion of t in t 1.767 * [backup-simplify]: Simplify 0 into 0 1.767 * [backup-simplify]: Simplify 1 into 1 1.767 * [backup-simplify]: Simplify (- 0) into 0 1.767 * [backup-simplify]: Simplify (+ a 0) into a 1.768 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.768 * [taylor]: Taking taylor expansion of (/ y a) in a 1.768 * [taylor]: Taking taylor expansion of y in a 1.768 * [backup-simplify]: Simplify y into y 1.768 * [taylor]: Taking taylor expansion of a in a 1.768 * [backup-simplify]: Simplify 0 into 0 1.768 * [backup-simplify]: Simplify 1 into 1 1.768 * [backup-simplify]: Simplify (/ y 1) into y 1.769 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0 1.769 * [taylor]: Taking taylor expansion of 0 in y 1.769 * [backup-simplify]: Simplify 0 into 0 1.769 * [taylor]: Taking taylor expansion of 0 in x 1.769 * [backup-simplify]: Simplify 0 into 0 1.769 * [backup-simplify]: Simplify 0 into 0 1.769 * [backup-simplify]: Simplify (- (/ y a)) into (- (/ y a)) 1.769 * [backup-simplify]: Simplify (+ 0 (- (/ y a))) into (- (/ y a)) 1.769 * [taylor]: Taking taylor expansion of (- (/ y a)) in a 1.769 * [taylor]: Taking taylor expansion of (/ y a) in a 1.769 * [taylor]: Taking taylor expansion of y in a 1.769 * [backup-simplify]: Simplify y into y 1.769 * [taylor]: Taking taylor expansion of a in a 1.769 * [backup-simplify]: Simplify 0 into 0 1.769 * [backup-simplify]: Simplify 1 into 1 1.769 * [backup-simplify]: Simplify (/ y 1) into y 1.770 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0 1.771 * [backup-simplify]: Simplify (- 0) into 0 1.771 * [taylor]: Taking taylor expansion of 0 in y 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [taylor]: Taking taylor expansion of 0 in x 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [taylor]: Taking taylor expansion of 0 in y 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [taylor]: Taking taylor expansion of 0 in x 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [taylor]: Taking taylor expansion of 0 in x 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify 1 into 1 1.771 * [backup-simplify]: Simplify (- 0) into 0 1.772 * [backup-simplify]: Simplify (+ 0 0) into 0 1.772 * [backup-simplify]: Simplify (- 0) into 0 1.773 * [backup-simplify]: Simplify (+ 0 0) into 0 1.773 * [backup-simplify]: Simplify (- (/ 0 (- a t)) (+ (* (* -1 (/ t (- a t))) (/ 0 (- a t))) (* (/ 1 (- a t)) (/ 0 (- a t))))) into 0 1.773 * [backup-simplify]: Simplify (+ (* (* -1 (/ t (- a t))) 0) (+ (* (/ 1 (- a t)) 0) (* 0 y))) into 0 1.774 * [backup-simplify]: Simplify (+ 0 0) into 0 1.774 * [taylor]: Taking taylor expansion of 0 in t 1.774 * [backup-simplify]: Simplify 0 into 0 1.774 * [taylor]: Taking taylor expansion of 0 in a 1.774 * [backup-simplify]: Simplify 0 into 0 1.774 * [taylor]: Taking taylor expansion of 0 in y 1.774 * [backup-simplify]: Simplify 0 into 0 1.774 * [taylor]: Taking taylor expansion of 0 in x 1.774 * [backup-simplify]: Simplify 0 into 0 1.774 * [backup-simplify]: Simplify 0 into 0 1.774 * [backup-simplify]: Simplify (- 1) into -1 1.775 * [backup-simplify]: Simplify (+ 0 -1) into -1