13.203 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.025 * * * [progress]: [2/2] Setting up program. 0.029 * [progress]: [Phase 2 of 3] Improving. 0.029 * [simplify]: Simplifying: (+ x (/ (* y (- z t)) (- a t))) 0.030 * * [simplify]: Extracting # 0 : cost 0 0.030 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: Extracting # 3 : cost 0 0.030 * * [simplify]: Extracting # 4 : cost 0 0.030 * * [simplify]: Extracting # 5 : cost 0 0.030 * * [simplify]: Extracting # 6 : cost 0 0.030 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.032 * * [simplify]: Extracting # 0 : cost 0 0.032 * * [simplify]: Extracting # 1 : cost 0 0.032 * * [simplify]: Extracting # 2 : cost 0 0.032 * * [simplify]: iteration 1 : 17 enodes (cost 11 ) 0.037 * * [simplify]: Extracting # 0 : cost 0 0.037 * * [simplify]: Extracting # 1 : cost 0 0.037 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: iteration 2 : 32 enodes (cost 11 ) 0.047 * * [simplify]: Extracting # 0 : cost 0 0.048 * * [simplify]: Extracting # 1 : cost 0 0.048 * * [simplify]: Extracting # 2 : cost 0 0.048 * * [simplify]: iteration 3 : 60 enodes (cost 10 ) 0.070 * * [simplify]: Extracting # 0 : cost 0 0.070 * * [simplify]: Extracting # 1 : cost 0 0.071 * * [simplify]: Extracting # 2 : cost 0 0.071 * * [simplify]: iteration 4 : 111 enodes (cost 10 ) 0.112 * * [simplify]: Extracting # 0 : cost 0 0.123 * * [simplify]: Extracting # 1 : cost 0 0.123 * * [simplify]: Extracting # 2 : cost 0 0.123 * * [simplify]: iteration 5 : 156 enodes (cost 10 ) 0.152 * * [simplify]: Extracting # 0 : cost 0 0.152 * * [simplify]: Extracting # 1 : cost 0 0.152 * * [simplify]: Extracting # 2 : cost 0 0.153 * * [simplify]: iteration 6 : 206 enodes (cost 10 ) 0.247 * * [simplify]: Extracting # 0 : cost 0 0.247 * * [simplify]: Extracting # 1 : cost 0 0.248 * * [simplify]: Extracting # 2 : cost 0 0.248 * * [simplify]: Extracting # 3 : cost 0 0.249 * * [simplify]: iteration 7 : 251 enodes (cost 10 ) 0.305 * * [simplify]: Extracting # 0 : cost 0 0.306 * * [simplify]: Extracting # 1 : cost 0 0.306 * * [simplify]: Extracting # 2 : cost 0 0.307 * * [simplify]: iteration 8 : 301 enodes (cost 10 ) 0.404 * * [simplify]: Extracting # 0 : cost 0 0.405 * * [simplify]: Extracting # 1 : cost 0 0.405 * * [simplify]: Extracting # 2 : cost 0 0.405 * * [simplify]: iteration 9 : 386 enodes (cost 10 ) 0.613 * * [simplify]: Extracting # 0 : cost 0 0.614 * * [simplify]: Extracting # 1 : cost 0 0.615 * * [simplify]: Extracting # 2 : cost 0 0.615 * * [simplify]: iteration 10 : 484 enodes (cost 10 ) 0.774 * * [simplify]: Extracting # 0 : cost 0 0.774 * * [simplify]: Extracting # 1 : cost 0 0.775 * * [simplify]: Extracting # 2 : cost 0 0.775 * * [simplify]: iteration 11 : 552 enodes (cost 10 ) 1.043 * * [simplify]: Extracting # 0 : cost 0 1.044 * * [simplify]: Extracting # 1 : cost 0 1.045 * * [simplify]: Extracting # 2 : cost 0 1.046 * * [simplify]: iteration 12 : 616 enodes (cost 10 ) 1.403 * * [simplify]: Extracting # 0 : cost 0 1.404 * * [simplify]: Extracting # 1 : cost 0 1.404 * * [simplify]: iteration 13 : 644 enodes (cost 10 ) 1.619 * * [simplify]: Extracting # 0 : cost 0 1.619 * * [simplify]: iteration done: 644 enodes (cost 10 ) 1.620 * [simplify]: Simplified to: (fma (/ y (- a t)) (- z t) x) 1.623 * * [progress]: iteration 1 / 4 1.623 * * * [progress]: picking best candidate 1.627 * * * * [pick]: Picked # 1.627 * * * [progress]: localizing error 1.636 * * * [progress]: generating rewritten candidates 1.636 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 1.637 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 1.649 * * * [progress]: generating series expansions 1.649 * * * * [progress]: [ 1 / 2 ] generating series at (2) 1.650 * [backup-simplify]: Simplify (fma (/ y (- a t)) (- z t) x) into (fma (/ y (- a t)) (- z t) x) 1.650 * [approximate]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in (y a t z x) around 0 1.650 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in x 1.650 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.650 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in x 1.650 * [taylor]: Taking taylor expansion of (/ y (- a t)) in x 1.650 * [taylor]: Taking taylor expansion of y in x 1.650 * [backup-simplify]: Simplify y into y 1.650 * [taylor]: Taking taylor expansion of (- a t) in x 1.650 * [taylor]: Taking taylor expansion of a in x 1.650 * [backup-simplify]: Simplify a into a 1.650 * [taylor]: Taking taylor expansion of t in x 1.650 * [backup-simplify]: Simplify t into t 1.650 * [backup-simplify]: Simplify (- t) into (- t) 1.650 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.650 * [backup-simplify]: Simplify (/ y (- a t)) into (/ y (- a t)) 1.650 * [taylor]: Taking taylor expansion of (- z t) in x 1.650 * [taylor]: Taking taylor expansion of z in x 1.650 * [backup-simplify]: Simplify z into z 1.650 * [taylor]: Taking taylor expansion of t in x 1.650 * [backup-simplify]: Simplify t into t 1.650 * [taylor]: Taking taylor expansion of x in x 1.650 * [backup-simplify]: Simplify 0 into 0 1.650 * [backup-simplify]: Simplify 1 into 1 1.650 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in z 1.650 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.650 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in z 1.650 * [taylor]: Taking taylor expansion of (/ y (- a t)) in z 1.650 * [taylor]: Taking taylor expansion of y in z 1.650 * [backup-simplify]: Simplify y into y 1.650 * [taylor]: Taking taylor expansion of (- a t) in z 1.650 * [taylor]: Taking taylor expansion of a in z 1.650 * [backup-simplify]: Simplify a into a 1.650 * [taylor]: Taking taylor expansion of t in z 1.650 * [backup-simplify]: Simplify t into t 1.651 * [backup-simplify]: Simplify (- t) into (- t) 1.651 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.651 * [backup-simplify]: Simplify (/ y (- a t)) into (/ y (- a t)) 1.651 * [taylor]: Taking taylor expansion of (- z t) in z 1.651 * [taylor]: Taking taylor expansion of z in z 1.651 * [backup-simplify]: Simplify 0 into 0 1.651 * [backup-simplify]: Simplify 1 into 1 1.651 * [taylor]: Taking taylor expansion of t in z 1.651 * [backup-simplify]: Simplify t into t 1.651 * [taylor]: Taking taylor expansion of x in z 1.651 * [backup-simplify]: Simplify x into x 1.651 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in t 1.651 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.651 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in t 1.651 * [taylor]: Taking taylor expansion of (/ y (- a t)) in t 1.651 * [taylor]: Taking taylor expansion of y in t 1.651 * [backup-simplify]: Simplify y into y 1.651 * [taylor]: Taking taylor expansion of (- a t) in t 1.651 * [taylor]: Taking taylor expansion of a in t 1.651 * [backup-simplify]: Simplify a into a 1.651 * [taylor]: Taking taylor expansion of t in t 1.651 * [backup-simplify]: Simplify 0 into 0 1.651 * [backup-simplify]: Simplify 1 into 1 1.651 * [backup-simplify]: Simplify (- 0) into 0 1.651 * [backup-simplify]: Simplify (+ a 0) into a 1.652 * [backup-simplify]: Simplify (/ y a) into (/ y a) 1.652 * [taylor]: Taking taylor expansion of (- z t) in t 1.652 * [taylor]: Taking taylor expansion of z in t 1.652 * [backup-simplify]: Simplify z into z 1.652 * [taylor]: Taking taylor expansion of t in t 1.652 * [backup-simplify]: Simplify 0 into 0 1.652 * [backup-simplify]: Simplify 1 into 1 1.652 * [taylor]: Taking taylor expansion of x in t 1.652 * [backup-simplify]: Simplify x into x 1.652 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in a 1.652 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.652 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in a 1.652 * [taylor]: Taking taylor expansion of (/ y (- a t)) in a 1.652 * [taylor]: Taking taylor expansion of y in a 1.652 * [backup-simplify]: Simplify y into y 1.652 * [taylor]: Taking taylor expansion of (- a t) in a 1.652 * [taylor]: Taking taylor expansion of a in a 1.652 * [backup-simplify]: Simplify 0 into 0 1.652 * [backup-simplify]: Simplify 1 into 1 1.652 * [taylor]: Taking taylor expansion of t in a 1.652 * [backup-simplify]: Simplify t into t 1.652 * [backup-simplify]: Simplify (- t) into (- t) 1.652 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.652 * [backup-simplify]: Simplify (/ y (- t)) into (* -1 (/ y t)) 1.652 * [taylor]: Taking taylor expansion of (- z t) in a 1.652 * [taylor]: Taking taylor expansion of z in a 1.652 * [backup-simplify]: Simplify z into z 1.652 * [taylor]: Taking taylor expansion of t in a 1.652 * [backup-simplify]: Simplify t into t 1.652 * [taylor]: Taking taylor expansion of x in a 1.652 * [backup-simplify]: Simplify x into x 1.652 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in y 1.652 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.652 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in y 1.652 * [taylor]: Taking taylor expansion of (/ y (- a t)) in y 1.652 * [taylor]: Taking taylor expansion of y in y 1.652 * [backup-simplify]: Simplify 0 into 0 1.652 * [backup-simplify]: Simplify 1 into 1 1.652 * [taylor]: Taking taylor expansion of (- a t) in y 1.652 * [taylor]: Taking taylor expansion of a in y 1.652 * [backup-simplify]: Simplify a into a 1.652 * [taylor]: Taking taylor expansion of t in y 1.652 * [backup-simplify]: Simplify t into t 1.652 * [backup-simplify]: Simplify (- t) into (- t) 1.653 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.653 * [backup-simplify]: Simplify (/ 1 (- a t)) into (/ 1 (- a t)) 1.653 * [taylor]: Taking taylor expansion of (- z t) in y 1.653 * [taylor]: Taking taylor expansion of z in y 1.653 * [backup-simplify]: Simplify z into z 1.653 * [taylor]: Taking taylor expansion of t in y 1.653 * [backup-simplify]: Simplify t into t 1.653 * [taylor]: Taking taylor expansion of x in y 1.653 * [backup-simplify]: Simplify x into x 1.653 * [taylor]: Taking taylor expansion of (fma (/ y (- a t)) (- z t) x) in y 1.653 * [taylor]: Rewrote expression to (+ (* (/ y (- a t)) (- z t)) x) 1.653 * [taylor]: Taking taylor expansion of (* (/ y (- a t)) (- z t)) in y 1.653 * [taylor]: Taking taylor expansion of (/ y (- a t)) in y 1.653 * [taylor]: Taking taylor expansion of y in y 1.653 * [backup-simplify]: Simplify 0 into 0 1.653 * [backup-simplify]: Simplify 1 into 1 1.653 * [taylor]: Taking taylor expansion of (- a t) in y 1.653 * [taylor]: Taking taylor expansion of a in y 1.653 * [backup-simplify]: Simplify a into a 1.653 * [taylor]: Taking taylor expansion of t in y 1.653 * [backup-simplify]: Simplify t into t 1.653 * [backup-simplify]: Simplify (- t) into (- t) 1.653 * [backup-simplify]: Simplify (+ a (- t)) into (- a t) 1.653 * [backup-simplify]: Simplify (/ 1 (- a t)) into (/ 1 (- a t)) 1.653 * [taylor]: Taking taylor expansion of (- z t) in y 1.653 * [taylor]: Taking taylor expansion of z in y 1.653 * [backup-simplify]: Simplify z into z 1.653 * [taylor]: Taking taylor expansion of t in y 1.653 * [backup-simplify]: Simplify t into t 1.653 * [taylor]: Taking taylor expansion of x in y 1.653 * [backup-simplify]: Simplify x into x 1.653 * [backup-simplify]: Simplify (+ 0 x) into x 1.653 * [taylor]: Taking taylor expansion of x in a 1.653 * [backup-simplify]: Simplify x into x 1.653 * [taylor]: Taking taylor expansion of x in t 1.653 * [backup-simplify]: Simplify x into x 1.653 * [taylor]: Taking taylor expansion of x in z 1.653 * [backup-simplify]: Simplify x into x 1.653 * [taylor]: Taking taylor expansion of x in x 1.653 * [backup-simplify]: Simplify 0 into 0 1.653 * [backup-simplify]: Simplify 1 into 1 1.653 * [backup-simplify]: Simplify 0 into 0 1.653 * [backup-simplify]: Simplify (- t) into (- t) 1.654 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.654 * [backup-simplify]: Simplify (* (/ 1 (- a t)) (- z t)) into (/ (- z t) (- a t)) 1.654 * [backup-simplify]: Simplify (+ (/ (- z t) (- a t)) 0) into (- (/ z (- a t)) (/ t (- a t))) 1.654 * [taylor]: Taking taylor expansion of (- (/ z (- a t)) (/ t (- a t))) in a 1.654 * [taylor]: Taking taylor expansion of (/ z (- a t)) in a 1.654 * [taylor]: Taking taylor expansion of z in a 1.654 * [backup-simplify]: Simplify z into z 1.654 * [taylor]: Taking taylor expansion of (- a t) in a 1.654 * [taylor]: Taking taylor expansion of a in a 1.654 * [backup-simplify]: Simplify 0 into 0 1.654 * [backup-simplify]: Simplify 1 into 1 1.654 * [taylor]: Taking taylor expansion of t in a 1.654 * [backup-simplify]: Simplify t into t 1.654 * [backup-simplify]: Simplify (- t) into (- t) 1.654 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.654 * [backup-simplify]: Simplify (/ z (- t)) into (* -1 (/ z t)) 1.654 * [taylor]: Taking taylor expansion of (/ t (- a t)) in a 1.654 * [taylor]: Taking taylor expansion of t in a 1.654 * [backup-simplify]: Simplify t into t 1.654 * [taylor]: Taking taylor expansion of (- a t) in a 1.654 * [taylor]: Taking taylor expansion of a in a 1.654 * [backup-simplify]: Simplify 0 into 0 1.654 * [backup-simplify]: Simplify 1 into 1 1.654 * [taylor]: Taking taylor expansion of t in a 1.654 * [backup-simplify]: Simplify t into t 1.654 * [backup-simplify]: Simplify (- t) into (- t) 1.654 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.654 * [backup-simplify]: Simplify (/ t (- t)) into -1 1.655 * [backup-simplify]: Simplify (- -1) into 1 1.655 * [backup-simplify]: Simplify (+ (* -1 (/ z t)) 1) into (- 1 (/ z t)) 1.655 * [taylor]: Taking taylor expansion of (- 1 (/ z t)) in t 1.655 * [taylor]: Taking taylor expansion of 1 in t 1.655 * [backup-simplify]: Simplify 1 into 1 1.655 * [taylor]: Taking taylor expansion of (/ z t) in t 1.655 * [taylor]: Taking taylor expansion of z in t 1.655 * [backup-simplify]: Simplify z into z 1.655 * [taylor]: Taking taylor expansion of t in t 1.655 * [backup-simplify]: Simplify 0 into 0 1.655 * [backup-simplify]: Simplify 1 into 1 1.655 * [backup-simplify]: Simplify (/ z 1) into z 1.655 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0 1.656 * [backup-simplify]: Simplify (- 0) into 0 1.656 * [backup-simplify]: Simplify (+ 1 0) into 1 1.656 * [taylor]: Taking taylor expansion of 1 in z 1.656 * [backup-simplify]: Simplify 1 into 1 1.656 * [taylor]: Taking taylor expansion of 1 in x 1.656 * [backup-simplify]: Simplify 1 into 1 1.656 * [backup-simplify]: Simplify 1 into 1 1.656 * [taylor]: Taking taylor expansion of 0 in t 1.656 * [backup-simplify]: Simplify 0 into 0 1.656 * [taylor]: Taking taylor expansion of 0 in z 1.656 * [backup-simplify]: Simplify 0 into 0 1.656 * [taylor]: Taking taylor expansion of 0 in x 1.656 * [backup-simplify]: Simplify 0 into 0 1.656 * [backup-simplify]: Simplify 0 into 0 1.656 * [taylor]: Taking taylor expansion of 0 in z 1.656 * [backup-simplify]: Simplify 0 into 0 1.656 * [taylor]: Taking taylor expansion of 0 in x 1.656 * [backup-simplify]: Simplify 0 into 0 1.657 * [backup-simplify]: Simplify 0 into 0 1.657 * [taylor]: Taking taylor expansion of 0 in x 1.657 * [backup-simplify]: Simplify 0 into 0 1.657 * [backup-simplify]: Simplify 0 into 0 1.657 * [backup-simplify]: Simplify 1 into 1 1.657 * [backup-simplify]: Simplify (- 0) into 0 1.657 * [backup-simplify]: Simplify (+ 0 0) into 0 1.658 * [backup-simplify]: Simplify (- 0) into 0 1.658 * [backup-simplify]: Simplify (+ 0 0) into 0 1.659 * [backup-simplify]: Simplify (- (/ 0 (- a t)) (+ (* (/ 1 (- a t)) (/ 0 (- a t))))) into 0 1.659 * [backup-simplify]: Simplify (+ (* (/ 1 (- a t)) 0) (* 0 (- z t))) into 0 1.659 * [backup-simplify]: Simplify (+ 0 0) into 0 1.659 * [taylor]: Taking taylor expansion of 0 in a 1.659 * [backup-simplify]: Simplify 0 into 0 1.659 * [taylor]: Taking taylor expansion of 0 in t 1.659 * [backup-simplify]: Simplify 0 into 0 1.659 * [taylor]: Taking taylor expansion of 0 in z 1.659 * [backup-simplify]: Simplify 0 into 0 1.659 * [taylor]: Taking taylor expansion of 0 in x 1.659 * [backup-simplify]: Simplify 0 into 0 1.659 * [backup-simplify]: Simplify 0 into 0 1.660 * [backup-simplify]: Simplify (- 0) into 0 1.660 * [backup-simplify]: Simplify (+ 1 0) into 1