0.623 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.045 * * * [progress]: [2/2] Setting up program. 0.049 * [progress]: [Phase 2 of 3] Improving. 0.049 * [simplify]: Simplifying: (* (/ (- x y) (- z y)) t) 0.050 * * [simplify]: Extracting # 0 : cost 0 0.050 * * [simplify]: Extracting # 1 : cost 0 0.050 * * [simplify]: Extracting # 2 : cost 0 0.050 * * [simplify]: Extracting # 3 : cost 0 0.050 * * [simplify]: Extracting # 4 : cost 0 0.050 * * [simplify]: Extracting # 5 : cost 0 0.050 * * [simplify]: iteration 0 : 8 enodes (cost 9 ) 0.052 * * [simplify]: Extracting # 0 : cost 0 0.052 * * [simplify]: Extracting # 1 : cost 0 0.052 * * [simplify]: Extracting # 2 : cost 0 0.052 * * [simplify]: iteration 1 : 17 enodes (cost 9 ) 0.058 * * [simplify]: Extracting # 0 : cost 0 0.058 * * [simplify]: Extracting # 1 : cost 0 0.058 * * [simplify]: Extracting # 2 : cost 0 0.058 * * [simplify]: iteration 2 : 25 enodes (cost 9 ) 0.066 * * [simplify]: Extracting # 0 : cost 0 0.066 * * [simplify]: Extracting # 1 : cost 0 0.066 * * [simplify]: Extracting # 2 : cost 0 0.066 * * [simplify]: iteration 3 : 49 enodes (cost 9 ) 0.085 * * [simplify]: Extracting # 0 : cost 0 0.085 * * [simplify]: Extracting # 1 : cost 0 0.085 * * [simplify]: Extracting # 2 : cost 0 0.085 * * [simplify]: iteration 4 : 76 enodes (cost 9 ) 0.110 * * [simplify]: Extracting # 0 : cost 0 0.110 * * [simplify]: Extracting # 1 : cost 0 0.110 * * [simplify]: Extracting # 2 : cost 0 0.110 * * [simplify]: iteration 5 : 108 enodes (cost 9 ) 0.150 * * [simplify]: Extracting # 0 : cost 0 0.150 * * [simplify]: Extracting # 1 : cost 0 0.150 * * [simplify]: Extracting # 2 : cost 0 0.151 * * [simplify]: iteration 6 : 133 enodes (cost 9 ) 0.204 * * [simplify]: Extracting # 0 : cost 0 0.205 * * [simplify]: Extracting # 1 : cost 0 0.205 * * [simplify]: Extracting # 2 : cost 0 0.205 * * [simplify]: iteration 7 : 148 enodes (cost 9 ) 0.241 * * [simplify]: Extracting # 0 : cost 0 0.241 * * [simplify]: Extracting # 1 : cost 0 0.241 * * [simplify]: Extracting # 2 : cost 0 0.242 * * [simplify]: iteration 8 : 161 enodes (cost 9 ) 0.281 * * [simplify]: Extracting # 0 : cost 0 0.281 * * [simplify]: Extracting # 1 : cost 0 0.282 * * [simplify]: iteration 9 : 166 enodes (cost 9 ) 0.308 * * [simplify]: Extracting # 0 : cost 0 0.308 * * [simplify]: iteration done: 166 enodes (cost 9 ) 0.308 * [simplify]: Simplified to: (* (/ (- x y) (- z y)) t) 0.309 * * [progress]: iteration 1 / 4 0.309 * * * [progress]: picking best candidate 0.311 * * * * [pick]: Picked # 0.311 * * * [progress]: localizing error 0.319 * * * [progress]: generating rewritten candidates 0.319 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.372 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.403 * * * [progress]: generating series expansions 0.403 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.403 * [backup-simplify]: Simplify (* (/ (- x y) (- z y)) t) into (/ (* t (- x y)) (- z y)) 0.403 * [approximate]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in (x y z t) around 0 0.403 * [taylor]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in t 0.403 * [taylor]: Taking taylor expansion of (* t (- x y)) in t 0.403 * [taylor]: Taking taylor expansion of t in t 0.403 * [backup-simplify]: Simplify 0 into 0 0.403 * [backup-simplify]: Simplify 1 into 1 0.403 * [taylor]: Taking taylor expansion of (- x y) in t 0.403 * [taylor]: Taking taylor expansion of x in t 0.403 * [backup-simplify]: Simplify x into x 0.403 * [taylor]: Taking taylor expansion of y in t 0.403 * [backup-simplify]: Simplify y into y 0.403 * [taylor]: Taking taylor expansion of (- z y) in t 0.403 * [taylor]: Taking taylor expansion of z in t 0.403 * [backup-simplify]: Simplify z into z 0.403 * [taylor]: Taking taylor expansion of y in t 0.403 * [backup-simplify]: Simplify y into y 0.403 * [backup-simplify]: Simplify (- y) into (- y) 0.403 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 0.403 * [backup-simplify]: Simplify (* 0 (- x y)) into 0 0.404 * [backup-simplify]: Simplify (- 0) into 0 0.404 * [backup-simplify]: Simplify (+ 0 0) into 0 0.404 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- x y))) into (- x y) 0.405 * [backup-simplify]: Simplify (- y) into (- y) 0.405 * [backup-simplify]: Simplify (+ z (- y)) into (- z y) 0.405 * [backup-simplify]: Simplify (/ (- x y) (- z y)) into (/ (- x y) (- z y)) 0.405 * [taylor]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in z 0.405 * [taylor]: Taking taylor expansion of (* t (- x y)) in z 0.405 * [taylor]: Taking taylor expansion of t in z 0.405 * [backup-simplify]: Simplify t into t 0.405 * [taylor]: Taking taylor expansion of (- x y) in z 0.405 * [taylor]: Taking taylor expansion of x in z 0.405 * [backup-simplify]: Simplify x into x 0.405 * [taylor]: Taking taylor expansion of y in z 0.405 * [backup-simplify]: Simplify y into y 0.405 * [taylor]: Taking taylor expansion of (- z y) in z 0.405 * [taylor]: Taking taylor expansion of z in z 0.405 * [backup-simplify]: Simplify 0 into 0 0.405 * [backup-simplify]: Simplify 1 into 1 0.405 * [taylor]: Taking taylor expansion of y in z 0.405 * [backup-simplify]: Simplify y into y 0.405 * [backup-simplify]: Simplify (- y) into (- y) 0.405 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 0.405 * [backup-simplify]: Simplify (* t (- x y)) into (* t (- x y)) 0.405 * [backup-simplify]: Simplify (- y) into (- y) 0.405 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 0.405 * [backup-simplify]: Simplify (/ (* t (- x y)) (- y)) into (* -1 (/ (* t (- x y)) y)) 0.405 * [taylor]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in y 0.405 * [taylor]: Taking taylor expansion of (* t (- x y)) in y 0.405 * [taylor]: Taking taylor expansion of t in y 0.405 * [backup-simplify]: Simplify t into t 0.405 * [taylor]: Taking taylor expansion of (- x y) in y 0.405 * [taylor]: Taking taylor expansion of x in y 0.405 * [backup-simplify]: Simplify x into x 0.405 * [taylor]: Taking taylor expansion of y in y 0.405 * [backup-simplify]: Simplify 0 into 0 0.405 * [backup-simplify]: Simplify 1 into 1 0.405 * [taylor]: Taking taylor expansion of (- z y) in y 0.405 * [taylor]: Taking taylor expansion of z in y 0.405 * [backup-simplify]: Simplify z into z 0.405 * [taylor]: Taking taylor expansion of y in y 0.405 * [backup-simplify]: Simplify 0 into 0 0.405 * [backup-simplify]: Simplify 1 into 1 0.406 * [backup-simplify]: Simplify (- 0) into 0 0.406 * [backup-simplify]: Simplify (+ x 0) into x 0.406 * [backup-simplify]: Simplify (* t x) into (* t x) 0.406 * [backup-simplify]: Simplify (- 0) into 0 0.406 * [backup-simplify]: Simplify (+ z 0) into z 0.406 * [backup-simplify]: Simplify (/ (* t x) z) into (/ (* t x) z) 0.406 * [taylor]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in x 0.406 * [taylor]: Taking taylor expansion of (* t (- x y)) in x 0.406 * [taylor]: Taking taylor expansion of t in x 0.406 * [backup-simplify]: Simplify t into t 0.406 * [taylor]: Taking taylor expansion of (- x y) in x 0.406 * [taylor]: Taking taylor expansion of x in x 0.406 * [backup-simplify]: Simplify 0 into 0 0.406 * [backup-simplify]: Simplify 1 into 1 0.406 * [taylor]: Taking taylor expansion of y in x 0.406 * [backup-simplify]: Simplify y into y 0.406 * [taylor]: Taking taylor expansion of (- z y) in x 0.406 * [taylor]: Taking taylor expansion of z in x 0.406 * [backup-simplify]: Simplify z into z 0.406 * [taylor]: Taking taylor expansion of y in x 0.406 * [backup-simplify]: Simplify y into y 0.406 * [backup-simplify]: Simplify (- y) into (- y) 0.406 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 0.406 * [backup-simplify]: Simplify (* t (- y)) into (* -1 (* t y)) 0.406 * [backup-simplify]: Simplify (- y) into (- y) 0.406 * [backup-simplify]: Simplify (+ z (- y)) into (- z y) 0.407 * [backup-simplify]: Simplify (/ (* -1 (* t y)) (- z y)) into (* -1 (/ (* t y) (- z y))) 0.407 * [taylor]: Taking taylor expansion of (/ (* t (- x y)) (- z y)) in x 0.407 * [taylor]: Taking taylor expansion of (* t (- x y)) in x 0.407 * [taylor]: Taking taylor expansion of t in x 0.407 * [backup-simplify]: Simplify t into t 0.407 * [taylor]: Taking taylor expansion of (- x y) in x 0.407 * [taylor]: Taking taylor expansion of x in x 0.407 * [backup-simplify]: Simplify 0 into 0 0.407 * [backup-simplify]: Simplify 1 into 1 0.407 * [taylor]: Taking taylor expansion of y in x 0.407 * [backup-simplify]: Simplify y into y 0.407 * [taylor]: Taking taylor expansion of (- z y) in x 0.407 * [taylor]: Taking taylor expansion of z in x 0.407 * [backup-simplify]: Simplify z into z 0.407 * [taylor]: Taking taylor expansion of y in x 0.407 * [backup-simplify]: Simplify y into y 0.407 * [backup-simplify]: Simplify (- y) into (- y) 0.407 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 0.407 * [backup-simplify]: Simplify (* t (- y)) into (* -1 (* t y)) 0.407 * [backup-simplify]: Simplify (- y) into (- y) 0.407 * [backup-simplify]: Simplify (+ z (- y)) into (- z y) 0.407 * [backup-simplify]: Simplify (/ (* -1 (* t y)) (- z y)) into (* -1 (/ (* t y) (- z y))) 0.407 * [taylor]: Taking taylor expansion of (* -1 (/ (* t y) (- z y))) in y 0.407 * [taylor]: Taking taylor expansion of -1 in y 0.407 * [backup-simplify]: Simplify -1 into -1 0.407 * [taylor]: Taking taylor expansion of (/ (* t y) (- z y)) in y 0.407 * [taylor]: Taking taylor expansion of (* t y) in y 0.407 * [taylor]: Taking taylor expansion of t in y 0.407 * [backup-simplify]: Simplify t into t 0.407 * [taylor]: Taking taylor expansion of y in y 0.407 * [backup-simplify]: Simplify 0 into 0 0.407 * [backup-simplify]: Simplify 1 into 1 0.407 * [taylor]: Taking taylor expansion of (- z y) in y 0.407 * [taylor]: Taking taylor expansion of z in y 0.407 * [backup-simplify]: Simplify z into z 0.407 * [taylor]: Taking taylor expansion of y in y 0.407 * [backup-simplify]: Simplify 0 into 0 0.407 * [backup-simplify]: Simplify 1 into 1 0.407 * [backup-simplify]: Simplify (* t 0) into 0 0.408 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.408 * [backup-simplify]: Simplify (- 0) into 0 0.408 * [backup-simplify]: Simplify (+ z 0) into z 0.408 * [backup-simplify]: Simplify (/ t z) into (/ t z) 0.408 * [backup-simplify]: Simplify (- 0) into 0 0.409 * [backup-simplify]: Simplify (+ 1 0) into 1 0.409 * [backup-simplify]: Simplify (+ (* t 1) (* 0 (- y))) into t 0.409 * [backup-simplify]: Simplify (- 0) into 0 0.409 * [backup-simplify]: Simplify (+ 0 0) into 0 0.409 * [backup-simplify]: Simplify (- (/ t (- z y)) (+ (* (* -1 (/ (* t y) (- z y))) (/ 0 (- z y))))) into (/ t (- z y)) 0.409 * [taylor]: Taking taylor expansion of (/ t (- z y)) in y 0.409 * [taylor]: Taking taylor expansion of t in y 0.409 * [backup-simplify]: Simplify t into t 0.409 * [taylor]: Taking taylor expansion of (- z y) in y 0.410 * [taylor]: Taking taylor expansion of z in y 0.410 * [backup-simplify]: Simplify z into z 0.410 * [taylor]: Taking taylor expansion of y in y 0.410 * [backup-simplify]: Simplify 0 into 0 0.410 * [backup-simplify]: Simplify 1 into 1 0.410 * [backup-simplify]: Simplify (- 0) into 0 0.410 * [backup-simplify]: Simplify (+ z 0) into z 0.410 * [backup-simplify]: Simplify (/ t z) into (/ t z) 0.410 * [taylor]: Taking taylor expansion of (/ t z) in z 0.410 * [taylor]: Taking taylor expansion of t in z 0.410 * [backup-simplify]: Simplify t into t 0.410 * [taylor]: Taking taylor expansion of z in z 0.410 * [backup-simplify]: Simplify 0 into 0 0.410 * [backup-simplify]: Simplify 1 into 1 0.410 * [backup-simplify]: Simplify (/ t 1) into t 0.411 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* t (/ 0 1)))) into 0 0.411 * [taylor]: Taking taylor expansion of 0 in t 0.411 * [backup-simplify]: Simplify 0 into 0 0.411 * [backup-simplify]: Simplify 0 into 0 0.411 * [backup-simplify]: Simplify (* -1 (/ t z)) into (* -1 (/ t z)) 0.411 * [taylor]: Taking taylor expansion of (* -1 (/ t z)) in z 0.411 * [taylor]: Taking taylor expansion of -1 in z 0.411 * [backup-simplify]: Simplify -1 into -1 0.411 * [taylor]: Taking taylor expansion of (/ t z) in z 0.411 * [taylor]: Taking taylor expansion of t in z 0.411 * [backup-simplify]: Simplify t into t 0.411 * [taylor]: Taking taylor expansion of z in z 0.411 * [backup-simplify]: Simplify 0 into 0 0.411 * [backup-simplify]: Simplify 1 into 1 0.411 * [backup-simplify]: Simplify (/ t 1) into t 0.411 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* t (/ 0 1)))) into 0 0.412 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 t)) into 0 0.412 * [taylor]: Taking taylor expansion of 0 in t 0.412 * [backup-simplify]: Simplify 0 into 0 0.412 * [backup-simplify]: Simplify 0 into 0 0.412 * [backup-simplify]: Simplify (- 0) into 0 0.413 * [backup-simplify]: Simplify (+ 0 0) into 0 0.413 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 (- y)))) into 0 0.413 * [backup-simplify]: Simplify (- 0) into 0 0.413 * [backup-simplify]: Simplify (+ 0 0) into 0 0.414 * [backup-simplify]: Simplify (- (/ 0 (- z y)) (+ (* (* -1 (/ (* t y) (- z y))) (/ 0 (- z y))) (* (/ t (- z y)) (/ 0 (- z y))))) into 0 0.414 * [taylor]: Taking taylor expansion of 0 in y 0.414 * [backup-simplify]: Simplify 0 into 0 0.414 * [taylor]: Taking taylor expansion of 0 in z 0.414 * [backup-simplify]: Simplify 0 into 0 0.414 * [taylor]: Taking taylor expansion of 0 in t 0.414 * [backup-simplify]: Simplify 0 into 0 0.414 * [backup-simplify]: Simplify 0 into 0 0.414 * [backup-simplify]: Simplify (- 1) into -1 0.415 * [backup-simplify]: Simplify (+ 0 -1) into -1