1.817 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.047 * * * [progress]: [2/2] Setting up program. 0.051 * [progress]: [Phase 2 of 3] Improving. 0.051 * [simplify]: Simplifying: (+ x (* y (/ (- z t) (- z a)))) 0.051 * * [simplify]: Extracting # 0 : cost 0 0.051 * * [simplify]: Extracting # 1 : cost 0 0.051 * * [simplify]: Extracting # 2 : cost 0 0.052 * * [simplify]: Extracting # 3 : cost 0 0.052 * * [simplify]: Extracting # 4 : cost 0 0.052 * * [simplify]: Extracting # 5 : cost 0 0.052 * * [simplify]: Extracting # 6 : cost 0 0.052 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.054 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 1 : 21 enodes (cost 11 ) 0.061 * * [simplify]: Extracting # 0 : cost 0 0.061 * * [simplify]: Extracting # 1 : cost 0 0.061 * * [simplify]: Extracting # 2 : cost 0 0.061 * * [simplify]: iteration 2 : 37 enodes (cost 10 ) 0.073 * * [simplify]: Extracting # 0 : cost 0 0.073 * * [simplify]: Extracting # 1 : cost 0 0.073 * * [simplify]: Extracting # 2 : cost 0 0.073 * * [simplify]: iteration 3 : 60 enodes (cost 10 ) 0.084 * * [simplify]: Extracting # 0 : cost 0 0.084 * * [simplify]: Extracting # 1 : cost 0 0.084 * * [simplify]: Extracting # 2 : cost 0 0.084 * * [simplify]: iteration 4 : 103 enodes (cost 10 ) 0.108 * * [simplify]: Extracting # 0 : cost 0 0.109 * * [simplify]: Extracting # 1 : cost 0 0.109 * * [simplify]: Extracting # 2 : cost 0 0.109 * * [simplify]: iteration 5 : 163 enodes (cost 10 ) 0.155 * * [simplify]: Extracting # 0 : cost 0 0.155 * * [simplify]: Extracting # 1 : cost 0 0.155 * * [simplify]: Extracting # 2 : cost 0 0.155 * * [simplify]: iteration 6 : 214 enodes (cost 10 ) 0.206 * * [simplify]: Extracting # 0 : cost 0 0.206 * * [simplify]: Extracting # 1 : cost 0 0.206 * * [simplify]: Extracting # 2 : cost 0 0.207 * * [simplify]: iteration 7 : 241 enodes (cost 10 ) 0.299 * * [simplify]: Extracting # 0 : cost 0 0.300 * * [simplify]: Extracting # 1 : cost 0 0.300 * * [simplify]: Extracting # 2 : cost 0 0.300 * * [simplify]: Extracting # 3 : cost 0 0.301 * * [simplify]: iteration 8 : 280 enodes (cost 10 ) 0.402 * * [simplify]: Extracting # 0 : cost 0 0.402 * * [simplify]: Extracting # 1 : cost 0 0.403 * * [simplify]: Extracting # 2 : cost 0 0.403 * * [simplify]: iteration 9 : 321 enodes (cost 10 ) 0.505 * * [simplify]: Extracting # 0 : cost 0 0.506 * * [simplify]: Extracting # 1 : cost 0 0.506 * * [simplify]: Extracting # 2 : cost 0 0.507 * * [simplify]: iteration 10 : 406 enodes (cost 10 ) 0.713 * * [simplify]: Extracting # 0 : cost 0 0.714 * * [simplify]: Extracting # 1 : cost 0 0.714 * * [simplify]: Extracting # 2 : cost 0 0.715 * * [simplify]: iteration 11 : 504 enodes (cost 10 ) 0.897 * * [simplify]: Extracting # 0 : cost 0 0.898 * * [simplify]: Extracting # 1 : cost 0 0.898 * * [simplify]: Extracting # 2 : cost 0 0.899 * * [simplify]: iteration 12 : 572 enodes (cost 10 ) 1.121 * * [simplify]: Extracting # 0 : cost 0 1.122 * * [simplify]: Extracting # 1 : cost 0 1.123 * * [simplify]: Extracting # 2 : cost 0 1.124 * * [simplify]: iteration 13 : 636 enodes (cost 10 ) 1.416 * * [simplify]: Extracting # 0 : cost 0 1.416 * * [simplify]: Extracting # 1 : cost 0 1.417 * * [simplify]: iteration 14 : 664 enodes (cost 10 ) 1.642 * * [simplify]: Extracting # 0 : cost 0 1.643 * * [simplify]: iteration done: 664 enodes (cost 10 ) 1.643 * [simplify]: Simplified to: (fma (/ (- z t) (- z a)) y x) 1.650 * * [progress]: iteration 1 / 4 1.650 * * * [progress]: picking best candidate 1.654 * * * * [pick]: Picked # 1.654 * * * [progress]: localizing error 1.671 * * * [progress]: generating rewritten candidates 1.671 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 1.676 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 1.708 * * * [progress]: generating series expansions 1.708 * * * * [progress]: [ 1 / 2 ] generating series at (2) 1.708 * [backup-simplify]: Simplify (fma (/ (- z t) (- z a)) y x) into (fma (/ (- z t) (- z a)) y x) 1.708 * [approximate]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in (z t a y x) around 0 1.708 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in x 1.709 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.709 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in x 1.709 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in x 1.709 * [taylor]: Taking taylor expansion of (- z t) in x 1.709 * [taylor]: Taking taylor expansion of z in x 1.709 * [backup-simplify]: Simplify z into z 1.709 * [taylor]: Taking taylor expansion of t in x 1.709 * [backup-simplify]: Simplify t into t 1.709 * [taylor]: Taking taylor expansion of (- z a) in x 1.709 * [taylor]: Taking taylor expansion of z in x 1.709 * [backup-simplify]: Simplify z into z 1.709 * [taylor]: Taking taylor expansion of a in x 1.709 * [backup-simplify]: Simplify a into a 1.709 * [backup-simplify]: Simplify (- t) into (- t) 1.709 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.709 * [backup-simplify]: Simplify (- a) into (- a) 1.709 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.709 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a)) 1.710 * [taylor]: Taking taylor expansion of y in x 1.710 * [backup-simplify]: Simplify y into y 1.710 * [taylor]: Taking taylor expansion of x in x 1.710 * [backup-simplify]: Simplify 0 into 0 1.710 * [backup-simplify]: Simplify 1 into 1 1.710 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in y 1.710 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.710 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in y 1.710 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in y 1.710 * [taylor]: Taking taylor expansion of (- z t) in y 1.710 * [taylor]: Taking taylor expansion of z in y 1.710 * [backup-simplify]: Simplify z into z 1.710 * [taylor]: Taking taylor expansion of t in y 1.710 * [backup-simplify]: Simplify t into t 1.710 * [taylor]: Taking taylor expansion of (- z a) in y 1.710 * [taylor]: Taking taylor expansion of z in y 1.710 * [backup-simplify]: Simplify z into z 1.710 * [taylor]: Taking taylor expansion of a in y 1.710 * [backup-simplify]: Simplify a into a 1.710 * [backup-simplify]: Simplify (- t) into (- t) 1.710 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.711 * [backup-simplify]: Simplify (- a) into (- a) 1.711 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.711 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a)) 1.711 * [taylor]: Taking taylor expansion of y in y 1.711 * [backup-simplify]: Simplify 0 into 0 1.711 * [backup-simplify]: Simplify 1 into 1 1.711 * [taylor]: Taking taylor expansion of x in y 1.711 * [backup-simplify]: Simplify x into x 1.711 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in a 1.711 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.711 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in a 1.711 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in a 1.711 * [taylor]: Taking taylor expansion of (- z t) in a 1.711 * [taylor]: Taking taylor expansion of z in a 1.711 * [backup-simplify]: Simplify z into z 1.711 * [taylor]: Taking taylor expansion of t in a 1.711 * [backup-simplify]: Simplify t into t 1.711 * [taylor]: Taking taylor expansion of (- z a) in a 1.711 * [taylor]: Taking taylor expansion of z in a 1.711 * [backup-simplify]: Simplify z into z 1.711 * [taylor]: Taking taylor expansion of a in a 1.711 * [backup-simplify]: Simplify 0 into 0 1.711 * [backup-simplify]: Simplify 1 into 1 1.711 * [backup-simplify]: Simplify (- t) into (- t) 1.712 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.712 * [backup-simplify]: Simplify (- 0) into 0 1.712 * [backup-simplify]: Simplify (+ z 0) into z 1.713 * [backup-simplify]: Simplify (/ (- z t) z) into (/ (- z t) z) 1.713 * [taylor]: Taking taylor expansion of y in a 1.713 * [backup-simplify]: Simplify y into y 1.713 * [taylor]: Taking taylor expansion of x in a 1.713 * [backup-simplify]: Simplify x into x 1.713 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in t 1.713 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.713 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in t 1.713 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in t 1.713 * [taylor]: Taking taylor expansion of (- z t) in t 1.713 * [taylor]: Taking taylor expansion of z in t 1.713 * [backup-simplify]: Simplify z into z 1.713 * [taylor]: Taking taylor expansion of t in t 1.713 * [backup-simplify]: Simplify 0 into 0 1.713 * [backup-simplify]: Simplify 1 into 1 1.713 * [taylor]: Taking taylor expansion of (- z a) in t 1.713 * [taylor]: Taking taylor expansion of z in t 1.713 * [backup-simplify]: Simplify z into z 1.713 * [taylor]: Taking taylor expansion of a in t 1.713 * [backup-simplify]: Simplify a into a 1.714 * [backup-simplify]: Simplify (- 0) into 0 1.714 * [backup-simplify]: Simplify (+ z 0) into z 1.714 * [backup-simplify]: Simplify (- a) into (- a) 1.714 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.714 * [backup-simplify]: Simplify (/ z (- z a)) into (/ z (- z a)) 1.714 * [taylor]: Taking taylor expansion of y in t 1.714 * [backup-simplify]: Simplify y into y 1.714 * [taylor]: Taking taylor expansion of x in t 1.714 * [backup-simplify]: Simplify x into x 1.714 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in z 1.715 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.715 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in z 1.715 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in z 1.715 * [taylor]: Taking taylor expansion of (- z t) in z 1.715 * [taylor]: Taking taylor expansion of z in z 1.715 * [backup-simplify]: Simplify 0 into 0 1.715 * [backup-simplify]: Simplify 1 into 1 1.715 * [taylor]: Taking taylor expansion of t in z 1.715 * [backup-simplify]: Simplify t into t 1.715 * [taylor]: Taking taylor expansion of (- z a) in z 1.715 * [taylor]: Taking taylor expansion of z in z 1.715 * [backup-simplify]: Simplify 0 into 0 1.715 * [backup-simplify]: Simplify 1 into 1 1.715 * [taylor]: Taking taylor expansion of a in z 1.715 * [backup-simplify]: Simplify a into a 1.715 * [backup-simplify]: Simplify (- t) into (- t) 1.715 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.715 * [backup-simplify]: Simplify (- a) into (- a) 1.715 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.715 * [backup-simplify]: Simplify (/ (- t) (- a)) into (/ t a) 1.715 * [taylor]: Taking taylor expansion of y in z 1.715 * [backup-simplify]: Simplify y into y 1.715 * [taylor]: Taking taylor expansion of x in z 1.715 * [backup-simplify]: Simplify x into x 1.715 * [taylor]: Taking taylor expansion of (fma (/ (- z t) (- z a)) y x) in z 1.716 * [taylor]: Rewrote expression to (+ (* (/ (- z t) (- z a)) y) x) 1.716 * [taylor]: Taking taylor expansion of (* (/ (- z t) (- z a)) y) in z 1.716 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in z 1.716 * [taylor]: Taking taylor expansion of (- z t) in z 1.716 * [taylor]: Taking taylor expansion of z in z 1.716 * [backup-simplify]: Simplify 0 into 0 1.716 * [backup-simplify]: Simplify 1 into 1 1.716 * [taylor]: Taking taylor expansion of t in z 1.716 * [backup-simplify]: Simplify t into t 1.716 * [taylor]: Taking taylor expansion of (- z a) in z 1.716 * [taylor]: Taking taylor expansion of z in z 1.716 * [backup-simplify]: Simplify 0 into 0 1.716 * [backup-simplify]: Simplify 1 into 1 1.716 * [taylor]: Taking taylor expansion of a in z 1.716 * [backup-simplify]: Simplify a into a 1.716 * [backup-simplify]: Simplify (- t) into (- t) 1.716 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.716 * [backup-simplify]: Simplify (- a) into (- a) 1.716 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.716 * [backup-simplify]: Simplify (/ (- t) (- a)) into (/ t a) 1.716 * [taylor]: Taking taylor expansion of y in z 1.716 * [backup-simplify]: Simplify y into y 1.716 * [taylor]: Taking taylor expansion of x in z 1.716 * [backup-simplify]: Simplify x into x 1.717 * [backup-simplify]: Simplify (* (/ t a) y) into (/ (* t y) a) 1.717 * [backup-simplify]: Simplify (+ (/ (* t y) a) x) into (+ x (/ (* t y) a)) 1.717 * [taylor]: Taking taylor expansion of (+ x (/ (* t y) a)) in t 1.717 * [taylor]: Taking taylor expansion of x in t 1.717 * [backup-simplify]: Simplify x into x 1.717 * [taylor]: Taking taylor expansion of (/ (* t y) a) in t 1.717 * [taylor]: Taking taylor expansion of (* t y) in t 1.717 * [taylor]: Taking taylor expansion of t in t 1.717 * [backup-simplify]: Simplify 0 into 0 1.717 * [backup-simplify]: Simplify 1 into 1 1.717 * [taylor]: Taking taylor expansion of y in t 1.717 * [backup-simplify]: Simplify y into y 1.717 * [taylor]: Taking taylor expansion of a in t 1.717 * [backup-simplify]: Simplify a into a 1.717 * [backup-simplify]: Simplify (* 0 y) into 0 1.718 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 1.718 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.718 * [backup-simplify]: Simplify (+ x 0) into x 1.718 * [taylor]: Taking taylor expansion of x in a 1.718 * [backup-simplify]: Simplify x into x 1.718 * [taylor]: Taking taylor expansion of x in y 1.718 * [backup-simplify]: Simplify x into x 1.718 * [taylor]: Taking taylor expansion of x in x 1.718 * [backup-simplify]: Simplify 0 into 0 1.718 * [backup-simplify]: Simplify 1 into 1 1.718 * [backup-simplify]: Simplify 0 into 0 1.719 * [backup-simplify]: Simplify (- 0) into 0 1.719 * [backup-simplify]: Simplify (+ 1 0) into 1 1.719 * [backup-simplify]: Simplify (- 0) into 0 1.720 * [backup-simplify]: Simplify (+ 1 0) into 1