4.928 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.030 * * * [progress]: [2/2] Setting up program. 0.032 * [progress]: [Phase 2 of 3] Improving. 0.032 * [simplify]: Simplifying: (/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0)) 0.033 * * [simplify]: Extracting # 0 : cost 0 0.033 * * [simplify]: Extracting # 1 : cost 0 0.033 * * [simplify]: Extracting # 2 : cost 0 0.033 * * [simplify]: Extracting # 3 : cost 0 0.033 * * [simplify]: Extracting # 4 : cost 0 0.033 * * [simplify]: Extracting # 5 : cost 0 0.033 * * [simplify]: Extracting # 6 : cost 0 0.033 * * [simplify]: Extracting # 7 : cost 0 0.033 * * [simplify]: Extracting # 8 : cost 0 0.033 * * [simplify]: Extracting # 9 : cost 0 0.033 * * [simplify]: iteration 0 : 13 enodes (cost 17 ) 0.035 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: iteration 1 : 25 enodes (cost 17 ) 0.039 * * [simplify]: Extracting # 0 : cost 0 0.039 * * [simplify]: Extracting # 1 : cost 0 0.039 * * [simplify]: Extracting # 2 : cost 0 0.039 * * [simplify]: iteration 2 : 39 enodes (cost 17 ) 0.045 * * [simplify]: Extracting # 0 : cost 0 0.045 * * [simplify]: Extracting # 1 : cost 0 0.046 * * [simplify]: Extracting # 2 : cost 0 0.046 * * [simplify]: iteration 3 : 64 enodes (cost 17 ) 0.084 * * [simplify]: Extracting # 0 : cost 0 0.085 * * [simplify]: Extracting # 1 : cost 0 0.085 * * [simplify]: Extracting # 2 : cost 0 0.085 * * [simplify]: iteration 4 : 114 enodes (cost 17 ) 0.115 * * [simplify]: Extracting # 0 : cost 0 0.115 * * [simplify]: Extracting # 1 : cost 0 0.115 * * [simplify]: Extracting # 2 : cost 0 0.116 * * [simplify]: iteration 5 : 201 enodes (cost 17 ) 0.169 * * [simplify]: Extracting # 0 : cost 0 0.170 * * [simplify]: Extracting # 1 : cost 0 0.170 * * [simplify]: Extracting # 2 : cost 0 0.171 * * [simplify]: iteration 6 : 403 enodes (cost 17 ) 0.385 * * [simplify]: Extracting # 0 : cost 0 0.387 * * [simplify]: Extracting # 1 : cost 0 0.389 * * [simplify]: Extracting # 2 : cost 0 0.391 * * [simplify]: iteration 7 : 946 enodes (cost 17 ) 1.735 * * [simplify]: Extracting # 0 : cost 0 1.739 * * [simplify]: Extracting # 1 : cost 0 1.742 * * [simplify]: Extracting # 2 : cost 0 1.744 * * [simplify]: iteration 8 : 2515 enodes (cost 17 ) 5.039 * * [simplify]: Extracting # 0 : cost 0 5.045 * * [simplify]: Extracting # 1 : cost 0 5.050 * * [simplify]: Extracting # 2 : cost 0 5.059 * * [simplify]: Extracting # 3 : cost 0 5.069 * * [simplify]: iteration done: 5001 enodes (cost 17 ) 5.069 * [simplify]: Simplified to: (/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0)) 5.070 * * [progress]: iteration 1 / 4 5.070 * * * [progress]: picking best candidate 5.073 * * * * [pick]: Picked # 5.073 * * * [progress]: localizing error 5.087 * * * [progress]: generating rewritten candidates 5.087 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2) 5.139 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 2) 5.157 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2 1) 5.182 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1) 5.236 * * * [progress]: generating series expansions 5.237 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2) 5.237 * [backup-simplify]: Simplify (/ (- (* y z) x) (- (* t z) x)) into (/ (- (* z y) x) (- (* t z) x)) 5.237 * [approximate]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in (y z x t) around 0 5.237 * [taylor]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in t 5.237 * [taylor]: Taking taylor expansion of (- (* z y) x) in t 5.237 * [taylor]: Taking taylor expansion of (* z y) in t 5.237 * [taylor]: Taking taylor expansion of z in t 5.237 * [backup-simplify]: Simplify z into z 5.237 * [taylor]: Taking taylor expansion of y in t 5.237 * [backup-simplify]: Simplify y into y 5.237 * [taylor]: Taking taylor expansion of x in t 5.237 * [backup-simplify]: Simplify x into x 5.237 * [taylor]: Taking taylor expansion of (- (* t z) x) in t 5.237 * [taylor]: Taking taylor expansion of (* t z) in t 5.237 * [taylor]: Taking taylor expansion of t in t 5.237 * [backup-simplify]: Simplify 0 into 0 5.237 * [backup-simplify]: Simplify 1 into 1 5.237 * [taylor]: Taking taylor expansion of z in t 5.237 * [backup-simplify]: Simplify z into z 5.237 * [taylor]: Taking taylor expansion of x in t 5.237 * [backup-simplify]: Simplify x into x 5.238 * [backup-simplify]: Simplify (* z y) into (* z y) 5.238 * [backup-simplify]: Simplify (- x) into (- x) 5.238 * [backup-simplify]: Simplify (+ (* z y) (- x)) into (- (* z y) x) 5.238 * [backup-simplify]: Simplify (* 0 z) into 0 5.238 * [backup-simplify]: Simplify (- x) into (- x) 5.238 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.238 * [backup-simplify]: Simplify (/ (- (* z y) x) (- x)) into (* -1 (/ (- (* z y) x) x)) 5.238 * [taylor]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in x 5.238 * [taylor]: Taking taylor expansion of (- (* z y) x) in x 5.238 * [taylor]: Taking taylor expansion of (* z y) in x 5.238 * [taylor]: Taking taylor expansion of z in x 5.238 * [backup-simplify]: Simplify z into z 5.238 * [taylor]: Taking taylor expansion of y in x 5.238 * [backup-simplify]: Simplify y into y 5.238 * [taylor]: Taking taylor expansion of x in x 5.238 * [backup-simplify]: Simplify 0 into 0 5.238 * [backup-simplify]: Simplify 1 into 1 5.238 * [taylor]: Taking taylor expansion of (- (* t z) x) in x 5.238 * [taylor]: Taking taylor expansion of (* t z) in x 5.238 * [taylor]: Taking taylor expansion of t in x 5.238 * [backup-simplify]: Simplify t into t 5.238 * [taylor]: Taking taylor expansion of z in x 5.238 * [backup-simplify]: Simplify z into z 5.238 * [taylor]: Taking taylor expansion of x in x 5.239 * [backup-simplify]: Simplify 0 into 0 5.239 * [backup-simplify]: Simplify 1 into 1 5.239 * [backup-simplify]: Simplify (* z y) into (* z y) 5.239 * [backup-simplify]: Simplify (- 0) into 0 5.239 * [backup-simplify]: Simplify (+ (* z y) 0) into (* z y) 5.239 * [backup-simplify]: Simplify (* t z) into (* t z) 5.240 * [backup-simplify]: Simplify (- 0) into 0 5.240 * [backup-simplify]: Simplify (+ (* t z) 0) into (* t z) 5.240 * [backup-simplify]: Simplify (/ (* z y) (* t z)) into (/ y t) 5.240 * [taylor]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in z 5.240 * [taylor]: Taking taylor expansion of (- (* z y) x) in z 5.240 * [taylor]: Taking taylor expansion of (* z y) in z 5.240 * [taylor]: Taking taylor expansion of z in z 5.240 * [backup-simplify]: Simplify 0 into 0 5.240 * [backup-simplify]: Simplify 1 into 1 5.240 * [taylor]: Taking taylor expansion of y in z 5.240 * [backup-simplify]: Simplify y into y 5.240 * [taylor]: Taking taylor expansion of x in z 5.240 * [backup-simplify]: Simplify x into x 5.240 * [taylor]: Taking taylor expansion of (- (* t z) x) in z 5.240 * [taylor]: Taking taylor expansion of (* t z) in z 5.240 * [taylor]: Taking taylor expansion of t in z 5.240 * [backup-simplify]: Simplify t into t 5.240 * [taylor]: Taking taylor expansion of z in z 5.240 * [backup-simplify]: Simplify 0 into 0 5.240 * [backup-simplify]: Simplify 1 into 1 5.241 * [taylor]: Taking taylor expansion of x in z 5.241 * [backup-simplify]: Simplify x into x 5.241 * [backup-simplify]: Simplify (* 0 y) into 0 5.241 * [backup-simplify]: Simplify (- x) into (- x) 5.241 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.241 * [backup-simplify]: Simplify (* t 0) into 0 5.241 * [backup-simplify]: Simplify (- x) into (- x) 5.241 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.241 * [backup-simplify]: Simplify (/ (- x) (- x)) into 1 5.241 * [taylor]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in y 5.241 * [taylor]: Taking taylor expansion of (- (* z y) x) in y 5.241 * [taylor]: Taking taylor expansion of (* z y) in y 5.241 * [taylor]: Taking taylor expansion of z in y 5.241 * [backup-simplify]: Simplify z into z 5.241 * [taylor]: Taking taylor expansion of y in y 5.241 * [backup-simplify]: Simplify 0 into 0 5.241 * [backup-simplify]: Simplify 1 into 1 5.241 * [taylor]: Taking taylor expansion of x in y 5.241 * [backup-simplify]: Simplify x into x 5.241 * [taylor]: Taking taylor expansion of (- (* t z) x) in y 5.241 * [taylor]: Taking taylor expansion of (* t z) in y 5.241 * [taylor]: Taking taylor expansion of t in y 5.241 * [backup-simplify]: Simplify t into t 5.241 * [taylor]: Taking taylor expansion of z in y 5.241 * [backup-simplify]: Simplify z into z 5.241 * [taylor]: Taking taylor expansion of x in y 5.241 * [backup-simplify]: Simplify x into x 5.241 * [backup-simplify]: Simplify (* z 0) into 0 5.242 * [backup-simplify]: Simplify (- x) into (- x) 5.242 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.242 * [backup-simplify]: Simplify (* t z) into (* t z) 5.242 * [backup-simplify]: Simplify (- x) into (- x) 5.242 * [backup-simplify]: Simplify (+ (* t z) (- x)) into (- (* t z) x) 5.242 * [backup-simplify]: Simplify (/ (- x) (- (* t z) x)) into (* -1 (/ x (- (* t z) x))) 5.242 * [taylor]: Taking taylor expansion of (/ (- (* z y) x) (- (* t z) x)) in y 5.242 * [taylor]: Taking taylor expansion of (- (* z y) x) in y 5.242 * [taylor]: Taking taylor expansion of (* z y) in y 5.242 * [taylor]: Taking taylor expansion of z in y 5.242 * [backup-simplify]: Simplify z into z 5.242 * [taylor]: Taking taylor expansion of y in y 5.242 * [backup-simplify]: Simplify 0 into 0 5.242 * [backup-simplify]: Simplify 1 into 1 5.242 * [taylor]: Taking taylor expansion of x in y 5.242 * [backup-simplify]: Simplify x into x 5.242 * [taylor]: Taking taylor expansion of (- (* t z) x) in y 5.242 * [taylor]: Taking taylor expansion of (* t z) in y 5.242 * [taylor]: Taking taylor expansion of t in y 5.242 * [backup-simplify]: Simplify t into t 5.242 * [taylor]: Taking taylor expansion of z in y 5.242 * [backup-simplify]: Simplify z into z 5.242 * [taylor]: Taking taylor expansion of x in y 5.242 * [backup-simplify]: Simplify x into x 5.242 * [backup-simplify]: Simplify (* z 0) into 0 5.242 * [backup-simplify]: Simplify (- x) into (- x) 5.243 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.243 * [backup-simplify]: Simplify (* t z) into (* t z) 5.243 * [backup-simplify]: Simplify (- x) into (- x) 5.243 * [backup-simplify]: Simplify (+ (* t z) (- x)) into (- (* t z) x) 5.243 * [backup-simplify]: Simplify (/ (- x) (- (* t z) x)) into (* -1 (/ x (- (* t z) x))) 5.243 * [taylor]: Taking taylor expansion of (* -1 (/ x (- (* t z) x))) in z 5.243 * [taylor]: Taking taylor expansion of -1 in z 5.243 * [backup-simplify]: Simplify -1 into -1 5.243 * [taylor]: Taking taylor expansion of (/ x (- (* t z) x)) in z 5.243 * [taylor]: Taking taylor expansion of x in z 5.243 * [backup-simplify]: Simplify x into x 5.243 * [taylor]: Taking taylor expansion of (- (* t z) x) in z 5.243 * [taylor]: Taking taylor expansion of (* t z) in z 5.243 * [taylor]: Taking taylor expansion of t in z 5.243 * [backup-simplify]: Simplify t into t 5.243 * [taylor]: Taking taylor expansion of z in z 5.243 * [backup-simplify]: Simplify 0 into 0 5.243 * [backup-simplify]: Simplify 1 into 1 5.243 * [taylor]: Taking taylor expansion of x in z 5.243 * [backup-simplify]: Simplify x into x 5.243 * [backup-simplify]: Simplify (* t 0) into 0 5.243 * [backup-simplify]: Simplify (- x) into (- x) 5.244 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.244 * [backup-simplify]: Simplify (/ x (- x)) into -1 5.244 * [backup-simplify]: Simplify (* -1 -1) into 1 5.244 * [taylor]: Taking taylor expansion of 1 in x 5.244 * [backup-simplify]: Simplify 1 into 1 5.244 * [taylor]: Taking taylor expansion of 1 in t 5.244 * [backup-simplify]: Simplify 1 into 1 5.244 * [backup-simplify]: Simplify 1 into 1 5.245 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 5.245 * [backup-simplify]: Simplify (- 0) into 0 5.245 * [backup-simplify]: Simplify (+ z 0) into z 5.245 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 5.246 * [backup-simplify]: Simplify (- 0) into 0 5.246 * [backup-simplify]: Simplify (+ 0 0) into 0 5.246 * [backup-simplify]: Simplify (- (/ z (- (* t z) x)) (+ (* (* -1 (/ x (- (* t z) x))) (/ 0 (- (* t z) x))))) into (/ z (- (* t z) x)) 5.246 * [taylor]: Taking taylor expansion of (/ z (- (* t z) x)) in z 5.246 * [taylor]: Taking taylor expansion of z in z 5.246 * [backup-simplify]: Simplify 0 into 0 5.247 * [backup-simplify]: Simplify 1 into 1 5.247 * [taylor]: Taking taylor expansion of (- (* t z) x) in z 5.247 * [taylor]: Taking taylor expansion of (* t z) in z 5.247 * [taylor]: Taking taylor expansion of t in z 5.247 * [backup-simplify]: Simplify t into t 5.247 * [taylor]: Taking taylor expansion of z in z 5.247 * [backup-simplify]: Simplify 0 into 0 5.247 * [backup-simplify]: Simplify 1 into 1 5.247 * [taylor]: Taking taylor expansion of x in z 5.247 * [backup-simplify]: Simplify x into x 5.247 * [backup-simplify]: Simplify (* t 0) into 0 5.247 * [backup-simplify]: Simplify (- x) into (- x) 5.247 * [backup-simplify]: Simplify (+ 0 (- x)) into (- x) 5.247 * [backup-simplify]: Simplify (/ 1 (- x)) into (/ -1 x) 5.247 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 5.248 * [backup-simplify]: Simplify (- 0) into 0 5.248 * [backup-simplify]: Simplify (+ t 0) into t 5.248 * [backup-simplify]: Simplify (- (/ 0 (- x)) (+ (* -1 (/ t (- x))))) into (- (/ t x)) 5.249 * [backup-simplify]: Simplify (+ (* -1 (- (/ t x))) (* 0 -1)) into (/ t x) 5.249 * [taylor]: Taking taylor expansion of (/ t x) in x 5.249 * [taylor]: Taking taylor expansion of t in x 5.249 * [backup-simplify]: Simplify t into t 5.249 * [taylor]: Taking taylor expansion of x in x 5.249 * [backup-simplify]: Simplify 0 into 0 5.249 * [backup-simplify]: Simplify 1 into 1 5.249 * [backup-simplify]: Simplify (/ t 1) into t 5.249 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* t (/ 0 1)))) into 0 5.249 * [taylor]: Taking taylor expansion of 0 in t 5.249 * [backup-simplify]: Simplify 0 into 0 5.249 * [backup-simplify]: Simplify 0 into 0 5.249 * [taylor]: Taking taylor expansion of 0 in t 5.249 * [backup-simplify]: Simplify 0 into 0 5.249 * [backup-simplify]: Simplify 0 into 0 5.250 * [backup-simplify]: Simplify 0 into 0 5.250 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0 5.250 * [backup-simplify]: Simplify (- 0) into 0 5.251 * [backup-simplify]: Simplify (+ 0 0) into 0 5.251 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 5.251 * [backup-simplify]: Simplify (- 0) into 0 5.251 * [backup-simplify]: Simplify (+ 0 0) into 0 5.252 * [backup-simplify]: Simplify (- (/ 0 (- (* t z) x)) (+ (* (* -1 (/ x (- (* t z) x))) (/ 0 (- (* t z) x))) (* (/ z (- (* t z) x)) (/ 0 (- (* t z) x))))) into 0 5.252 * [taylor]: Taking taylor expansion of 0 in z 5.252 * [backup-simplify]: Simplify 0 into 0 5.252 * [taylor]: Taking taylor expansion of 0 in x 5.252 * [backup-simplify]: Simplify 0 into 0 5.252 * [taylor]: Taking taylor expansion of 0 in t 5.252 * [backup-simplify]: Simplify 0 into 0 5.252 * [backup-simplify]: Simplify 0 into 0 5.252 * [taylor]: Taking taylor expansion of (/ -1 x) in x 5.252 * [taylor]: Taking taylor expansion of -1 in x 5.252 * [backup-simplify]: Simplify -1 into -1 5.252 * [taylor]: Taking taylor expansion of x in x 5.252 * [backup-simplify]: Simplify 0 into 0 5.252 * [backup-simplify]: Simplify 1 into 1 5.252 * [backup-simplify]: Simplify (/ -1 1) into -1 5.253 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0 5.253 * [taylor]: Taking taylor expansion of 0 in t 5.253 * [backup-simplify]: Simplify 0 into 0 5.253 * [backup-simplify]: Simplify 0 into 0 5.253 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 0))) into 0 5.254 * [backup-simplify]: Simplify (- 0) into 0 5.254 * [backup-simplify]: Simplify (+ 0 0) into 0