29.845 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.022 * * * [progress]: [2/2] Setting up program. 0.025 * [progress]: [Phase 2 of 3] Improving. 0.025 * [simplify]: Simplifying: (+ x (* y (/ (- z t) (- a t)))) 0.025 * * [simplify]: Extracting # 0 : cost 0 0.025 * * [simplify]: Extracting # 1 : cost 0 0.025 * * [simplify]: Extracting # 2 : cost 0 0.025 * * [simplify]: Extracting # 3 : cost 0 0.025 * * [simplify]: Extracting # 4 : cost 0 0.025 * * [simplify]: Extracting # 5 : cost 0 0.025 * * [simplify]: Extracting # 6 : cost 0 0.025 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.027 * * [simplify]: Extracting # 0 : cost 0 0.027 * * [simplify]: Extracting # 1 : cost 0 0.027 * * [simplify]: Extracting # 2 : cost 0 0.027 * * [simplify]: iteration 1 : 20 enodes (cost 11 ) 0.030 * * [simplify]: Extracting # 0 : cost 0 0.030 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: iteration 2 : 36 enodes (cost 10 ) 0.036 * * [simplify]: Extracting # 0 : cost 0 0.036 * * [simplify]: Extracting # 1 : cost 0 0.036 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: iteration 3 : 59 enodes (cost 10 ) 0.046 * * [simplify]: Extracting # 0 : cost 0 0.046 * * [simplify]: Extracting # 1 : cost 0 0.047 * * [simplify]: Extracting # 2 : cost 0 0.047 * * [simplify]: iteration 4 : 102 enodes (cost 10 ) 0.080 * * [simplify]: Extracting # 0 : cost 0 0.081 * * [simplify]: Extracting # 1 : cost 0 0.081 * * [simplify]: Extracting # 2 : cost 0 0.081 * * [simplify]: iteration 5 : 161 enodes (cost 10 ) 0.120 * * [simplify]: Extracting # 0 : cost 0 0.120 * * [simplify]: Extracting # 1 : cost 0 0.121 * * [simplify]: Extracting # 2 : cost 0 0.121 * * [simplify]: iteration 6 : 212 enodes (cost 10 ) 0.167 * * [simplify]: Extracting # 0 : cost 0 0.167 * * [simplify]: Extracting # 1 : cost 0 0.168 * * [simplify]: Extracting # 2 : cost 0 0.168 * * [simplify]: iteration 7 : 240 enodes (cost 10 ) 0.239 * * [simplify]: Extracting # 0 : cost 0 0.240 * * [simplify]: Extracting # 1 : cost 0 0.240 * * [simplify]: Extracting # 2 : cost 0 0.240 * * [simplify]: Extracting # 3 : cost 0 0.240 * * [simplify]: iteration 8 : 278 enodes (cost 10 ) 0.297 * * [simplify]: Extracting # 0 : cost 0 0.297 * * [simplify]: Extracting # 1 : cost 0 0.298 * * [simplify]: Extracting # 2 : cost 0 0.298 * * [simplify]: iteration 9 : 319 enodes (cost 10 ) 0.431 * * [simplify]: Extracting # 0 : cost 0 0.436 * * [simplify]: Extracting # 1 : cost 0 0.436 * * [simplify]: Extracting # 2 : cost 0 0.437 * * [simplify]: iteration 10 : 404 enodes (cost 10 ) 0.683 * * [simplify]: Extracting # 0 : cost 0 0.684 * * [simplify]: Extracting # 1 : cost 0 0.685 * * [simplify]: Extracting # 2 : cost 0 0.685 * * [simplify]: iteration 11 : 502 enodes (cost 10 ) 0.839 * * [simplify]: Extracting # 0 : cost 0 0.840 * * [simplify]: Extracting # 1 : cost 0 0.840 * * [simplify]: Extracting # 2 : cost 0 0.840 * * [simplify]: iteration 12 : 570 enodes (cost 10 ) 1.081 * * [simplify]: Extracting # 0 : cost 0 1.081 * * [simplify]: Extracting # 1 : cost 0 1.082 * * [simplify]: Extracting # 2 : cost 0 1.082 * * [simplify]: iteration 13 : 634 enodes (cost 10 ) 1.342 * * [simplify]: Extracting # 0 : cost 0 1.344 * * [simplify]: Extracting # 1 : cost 0 1.344 * * [simplify]: iteration 14 : 662 enodes (cost 10 ) 1.557 * * [simplify]: Extracting # 0 : cost 0 1.557 * * [simplify]: iteration done: 662 enodes (cost 10 ) 1.557 * [simplify]: Simplified to: (fma (/ (- z t) (- a t)) y x) 1.561 * * [progress]: iteration 1 / 4 1.561 * * * [progress]: picking best candidate 1.567 * * * * [pick]: Picked # 1.567 * * * [progress]: localizing error 1.578 * * * [progress]: generating rewritten candidates 1.578 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 1.579 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 1.607 * * * [progress]: generating series expansions 1.607 * * * * [progress]: [ 1 / 2 ] generating series at (2) 1.607 * [backup-simplify]: Simplify (fma (/ (- z t) (- a t)) y x) into (fma (/ (- z t) (- a t)) y x) 1.607 * [approximate]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in (z t a y x) around 0 1.607 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in x 1.607 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.607 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in x 1.607 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in x 1.607 * [taylor]: Taking taylor expansion of (- z t) in x 1.608 * [taylor]: Taking taylor expansion of z in x 1.608 * [backup-simplify]: Simplify z into z 1.608 * [taylor]: Taking taylor expansion of t in x 1.608 * [backup-simplify]: Simplify t into t 1.608 * [taylor]: Taking taylor expansion of (- a t) in x 1.608 * [taylor]: Taking taylor expansion of a in x 1.608 * [backup-simplify]: Simplify a into a 1.608 * [taylor]: Taking taylor expansion of t in x 1.608 * [backup-simplify]: Simplify t into t 1.608 * [backup-simplify]: Simplify (- t) into (- t) 1.608 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.608 * [backup-simplify]: Simplify (- t) into (- t) 1.608 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.608 * [backup-simplify]: Simplify (/ (- z t) (- a t)) into (/ (- z t) (- a t)) 1.608 * [taylor]: Taking taylor expansion of y in x 1.608 * [backup-simplify]: Simplify y into y 1.608 * [taylor]: Taking taylor expansion of x in x 1.608 * [backup-simplify]: Simplify 0 into 0 1.608 * [backup-simplify]: Simplify 1 into 1 1.608 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in y 1.608 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.608 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in y 1.608 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in y 1.608 * [taylor]: Taking taylor expansion of (- z t) in y 1.608 * [taylor]: Taking taylor expansion of z in y 1.608 * [backup-simplify]: Simplify z into z 1.608 * [taylor]: Taking taylor expansion of t in y 1.608 * [backup-simplify]: Simplify t into t 1.608 * [taylor]: Taking taylor expansion of (- a t) in y 1.608 * [taylor]: Taking taylor expansion of a in y 1.608 * [backup-simplify]: Simplify a into a 1.608 * [taylor]: Taking taylor expansion of t in y 1.608 * [backup-simplify]: Simplify t into t 1.608 * [backup-simplify]: Simplify (- t) into (- t) 1.608 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.608 * [backup-simplify]: Simplify (- t) into (- t) 1.608 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.608 * [backup-simplify]: Simplify (/ (- z t) (- a t)) into (/ (- z t) (- a t)) 1.608 * [taylor]: Taking taylor expansion of y in y 1.609 * [backup-simplify]: Simplify 0 into 0 1.609 * [backup-simplify]: Simplify 1 into 1 1.609 * [taylor]: Taking taylor expansion of x in y 1.609 * [backup-simplify]: Simplify x into x 1.609 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in a 1.609 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.609 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in a 1.609 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in a 1.609 * [taylor]: Taking taylor expansion of (- z t) in a 1.609 * [taylor]: Taking taylor expansion of z in a 1.609 * [backup-simplify]: Simplify z into z 1.609 * [taylor]: Taking taylor expansion of t in a 1.609 * [backup-simplify]: Simplify t into t 1.609 * [taylor]: Taking taylor expansion of (- a t) in a 1.609 * [taylor]: Taking taylor expansion of a in a 1.609 * [backup-simplify]: Simplify 0 into 0 1.609 * [backup-simplify]: Simplify 1 into 1 1.609 * [taylor]: Taking taylor expansion of t in a 1.609 * [backup-simplify]: Simplify t into t 1.609 * [backup-simplify]: Simplify (- t) into (- t) 1.609 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.609 * [backup-simplify]: Simplify (- t) into (- t) 1.609 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.609 * [backup-simplify]: Simplify (/ (- z t) (- t)) into (* -1 (/ (- z t) t)) 1.609 * [taylor]: Taking taylor expansion of y in a 1.609 * [backup-simplify]: Simplify y into y 1.609 * [taylor]: Taking taylor expansion of x in a 1.609 * [backup-simplify]: Simplify x into x 1.609 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in t 1.609 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.609 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in t 1.609 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in t 1.609 * [taylor]: Taking taylor expansion of (- z t) in t 1.609 * [taylor]: Taking taylor expansion of z in t 1.609 * [backup-simplify]: Simplify z into z 1.609 * [taylor]: Taking taylor expansion of t in t 1.609 * [backup-simplify]: Simplify 0 into 0 1.609 * [backup-simplify]: Simplify 1 into 1 1.609 * [taylor]: Taking taylor expansion of (- a t) in t 1.609 * [taylor]: Taking taylor expansion of a in t 1.609 * [backup-simplify]: Simplify a into a 1.610 * [taylor]: Taking taylor expansion of t in t 1.610 * [backup-simplify]: Simplify 0 into 0 1.610 * [backup-simplify]: Simplify 1 into 1 1.610 * [backup-simplify]: Simplify (- 0) into 0 1.610 * [backup-simplify]: Simplify (+ z 0) into z 1.611 * [backup-simplify]: Simplify (- 0) into 0 1.611 * [backup-simplify]: Simplify (+ a 0) into a 1.611 * [backup-simplify]: Simplify (/ z a) into (/ z a) 1.611 * [taylor]: Taking taylor expansion of y in t 1.611 * [backup-simplify]: Simplify y into y 1.611 * [taylor]: Taking taylor expansion of x in t 1.611 * [backup-simplify]: Simplify x into x 1.611 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in z 1.611 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.611 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in z 1.611 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in z 1.611 * [taylor]: Taking taylor expansion of (- z t) in z 1.611 * [taylor]: Taking taylor expansion of z in z 1.611 * [backup-simplify]: Simplify 0 into 0 1.611 * [backup-simplify]: Simplify 1 into 1 1.611 * [taylor]: Taking taylor expansion of t in z 1.611 * [backup-simplify]: Simplify t into t 1.611 * [taylor]: Taking taylor expansion of (- a t) in z 1.611 * [taylor]: Taking taylor expansion of a in z 1.611 * [backup-simplify]: Simplify a into a 1.611 * [taylor]: Taking taylor expansion of t in z 1.611 * [backup-simplify]: Simplify t into t 1.611 * [backup-simplify]: Simplify (- t) into (- t) 1.611 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.611 * [backup-simplify]: Simplify (- t) into (- t) 1.611 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.611 * [backup-simplify]: Simplify (/ (- t) (- a t)) into (* -1 (/ t (- a t))) 1.611 * [taylor]: Taking taylor expansion of y in z 1.611 * [backup-simplify]: Simplify y into y 1.611 * [taylor]: Taking taylor expansion of x in z 1.611 * [backup-simplify]: Simplify x into x 1.611 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- a t)) y x) in z 1.612 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- a t)) y) x) 1.612 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- a t)) y) in z 1.612 * [taylor]: Taking taylor expansion of (/ (- z t) (- a t)) in z 1.612 * [taylor]: Taking taylor expansion of (- z t) in z 1.612 * [taylor]: Taking taylor expansion of z in z 1.612 * [backup-simplify]: Simplify 0 into 0 1.612 * [backup-simplify]: Simplify 1 into 1 1.612 * [taylor]: Taking taylor expansion of t in z 1.612 * [backup-simplify]: Simplify t into t 1.612 * [taylor]: Taking taylor expansion of (- a t) in z 1.612 * [taylor]: Taking taylor expansion of a in z 1.612 * [backup-simplify]: Simplify a into a 1.612 * [taylor]: Taking taylor expansion of t in z 1.612 * [backup-simplify]: Simplify t into t 1.612 * [backup-simplify]: Simplify (- t) into (- t) 1.612 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.612 * [backup-simplify]: Simplify (- t) into (- t) 1.612 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.612 * [backup-simplify]: Simplify (/ (- t) (- a t)) into (* -1 (/ t (- a t))) 1.612 * [taylor]: Taking taylor expansion of y in z 1.612 * [backup-simplify]: Simplify y into y 1.612 * [taylor]: Taking taylor expansion of x in z 1.612 * [backup-simplify]: Simplify x into x 1.612 * [backup-simplify]: Simplify (* (* -1 (/ t (- a t))) y) into (* -1 (/ (* t y) (- a t))) 1.612 * [backup-simplify]: Simplify (+ (* -1 (/ (* t y) (- a t))) x) into (- x (/ (* t y) (- a t))) 1.612 * [taylor]: Taking taylor expansion of (- x (/ (* t y) (- a t))) in t 1.612 * [taylor]: Taking taylor expansion of x in t 1.612 * [backup-simplify]: Simplify x into x 1.612 * [taylor]: Taking taylor expansion of (/ (* t y) (- a t)) in t 1.612 * [taylor]: Taking taylor expansion of (* t y) in t 1.612 * [taylor]: Taking taylor expansion of t in t 1.612 * [backup-simplify]: Simplify 0 into 0 1.612 * [backup-simplify]: Simplify 1 into 1 1.612 * [taylor]: Taking taylor expansion of y in t 1.612 * [backup-simplify]: Simplify y into y 1.612 * [taylor]: Taking taylor expansion of (- a t) in t 1.612 * [taylor]: Taking taylor expansion of a in t 1.613 * [backup-simplify]: Simplify a into a 1.613 * [taylor]: Taking taylor expansion of t in t 1.613 * [backup-simplify]: Simplify 0 into 0 1.613 * [backup-simplify]: Simplify 1 into 1 1.613 * [backup-simplify]: Simplify (* 0 y) into 0 1.613 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 1.613 * [backup-simplify]: Simplify (- 0) into 0 1.613 * [backup-simplify]: Simplify (+ a 0) into a 1.614 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.614 * [backup-simplify]: Simplify (+ x 0) into x 1.614 * [taylor]: Taking taylor expansion of x in a 1.614 * [backup-simplify]: Simplify x into x 1.614 * [taylor]: Taking taylor expansion of x in y 1.614 * [backup-simplify]: Simplify x into x 1.614 * [taylor]: Taking taylor expansion of x in x 1.614 * [backup-simplify]: Simplify 0 into 0 1.614 * [backup-simplify]: Simplify 1 into 1 1.614 * [backup-simplify]: Simplify 0 into 0 1.614 * [backup-simplify]: Simplify (- 0) into 0 1.614 * [backup-simplify]: Simplify (+ 1 0) into 1 1.615 * [backup-simplify]: Simplify (- 0) into 0 1.615 * [backup-simplify]: Simplify (+ 0 0) into 0 1.615 * [backup-simplify]: Simplify (- (/ 1 (- a t)) (+ (* (* -1 (/ t (- a t))) (/ 0 (- a t))))) into (/ 1 (- a t)) 1.615 * [backup-simplify]: Simplify (+ (* (* -1 (/ t (- a t))) 0) (* (/ 1 (- a t)) y)) into (/ y (- a t)) 1.615 * [backup-simplify]: Simplify (+ (/ y (- a t)) 0) into (/ y (- a t)) 1.616 * [taylor]: Taking taylor expansion of (/ y (- a t)) in t 1.616 * [taylor]: Taking taylor expansion of y in t 1.616 * [backup-simplify]: Simplify y into y 1.616 * [taylor]: Taking taylor expansion of (- a t) in t 1.616 * [taylor]: Taking taylor expansion of a in t 1.616 * [backup-simplify]: Simplify a into a 1.616 * [taylor]: Taking taylor expansion of t in t 1.616 * [backup-simplify]: Simplify 0 into 0 1.616 * [backup-simplify]: Simplify 1 into 1 1.616 * [backup-simplify]: Simplify (- 0) into 0 1.616 * [backup-simplify]: Simplify (+ a 0) into a 1.616 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.616 * [taylor]: Taking taylor expansion of (/ y a) in a 1.616 * [taylor]: Taking taylor expansion of y in a 1.616 * [backup-simplify]: Simplify y into y 1.616 * [taylor]: Taking taylor expansion of a in a 1.616 * [backup-simplify]: Simplify 0 into 0 1.616 * [backup-simplify]: Simplify 1 into 1 1.616 * [backup-simplify]: Simplify (/ y 1) into y 1.617 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0 1.617 * [taylor]: Taking taylor expansion of 0 in y 1.617 * [backup-simplify]: Simplify 0 into 0 1.617 * [taylor]: Taking taylor expansion of 0 in x 1.617 * [backup-simplify]: Simplify 0 into 0 1.617 * [backup-simplify]: Simplify 0 into 0 1.617 * [backup-simplify]: Simplify (- (/ y a)) into (- (/ y a)) 1.617 * [backup-simplify]: Simplify (+ 0 (- (/ y a))) into (- (/ y a)) 1.617 * [taylor]: Taking taylor expansion of (- (/ y a)) in a 1.617 * [taylor]: Taking taylor expansion of (/ y a) in a 1.617 * [taylor]: Taking taylor expansion of y in a 1.617 * [backup-simplify]: Simplify y into y 1.617 * [taylor]: Taking taylor expansion of a in a 1.617 * [backup-simplify]: Simplify 0 into 0 1.617 * [backup-simplify]: Simplify 1 into 1 1.617 * [backup-simplify]: Simplify (/ y 1) into y 1.618 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* y (/ 0 1)))) into 0 1.618 * [backup-simplify]: Simplify (- 0) into 0 1.618 * [taylor]: Taking taylor expansion of 0 in y 1.618 * [backup-simplify]: Simplify 0 into 0 1.618 * [taylor]: Taking taylor expansion of 0 in x 1.618 * [backup-simplify]: Simplify 0 into 0 1.618 * [backup-simplify]: Simplify 0 into 0 1.618 * [taylor]: Taking taylor expansion of 0 in y 1.618 * [backup-simplify]: Simplify 0 into 0 1.618 * [taylor]: Taking taylor expansion of 0 in x 1.618 * [backup-simplify]: Simplify 0 into 0 1.618 * [backup-simplify]: Simplify 0 into 0 1.619 * [taylor]: Taking taylor expansion of 0 in x 1.619 * [backup-simplify]: Simplify 0 into 0 1.619 * [backup-simplify]: Simplify 0 into 0 1.619 * [backup-simplify]: Simplify 1 into 1 1.619 * [backup-simplify]: Simplify (- 0) into 0 1.619 * [backup-simplify]: Simplify (+ 0 0) into 0 1.619 * [backup-simplify]: Simplify (- 0) into 0 1.620 * [backup-simplify]: Simplify (+ 0 0) into 0 1.620 * [backup-simplify]: Simplify (- (/ 0 (- a t)) (+ (* (* -1 (/ t (- a t))) (/ 0 (- a t))) (* (/ 1 (- a t)) (/ 0 (- a t))))) into 0 1.620 * [backup-simplify]: Simplify (+ (* (* -1 (/ t (- a t))) 0) (+ (* (/ 1 (- a t)) 0) (* 0 y))) into 0 1.621 * [backup-simplify]: Simplify (+ 0 0) into 0 1.621 * [taylor]: Taking taylor expansion of 0 in t 1.621 * [backup-simplify]: Simplify 0 into 0 1.621 * [taylor]: Taking taylor expansion of 0 in a 1.621 * [backup-simplify]: Simplify 0 into 0 1.621 * [taylor]: Taking taylor expansion of 0 in y 1.621 * [backup-simplify]: Simplify 0 into 0 1.621 * [taylor]: Taking taylor expansion of 0 in x 1.621 * [backup-simplify]: Simplify 0 into 0 1.621 * [backup-simplify]: Simplify 0 into 0 1.621 * [backup-simplify]: Simplify (- 1) into -1 1.621 * [backup-simplify]: Simplify (+ 0 -1) into -1