4.674 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.040 * * * [progress]: [2/2] Setting up program. 0.045 * [progress]: [Phase 2 of 3] Improving. 0.045 * [simplify]: Simplifying: (+ x (* y (/ (- z t) (- z a)))) 0.045 * * [simplify]: Extracting # 0 : cost 0 0.045 * * [simplify]: Extracting # 1 : cost 0 0.045 * * [simplify]: Extracting # 2 : cost 0 0.046 * * [simplify]: Extracting # 3 : cost 0 0.046 * * [simplify]: Extracting # 4 : cost 0 0.046 * * [simplify]: Extracting # 5 : cost 0 0.046 * * [simplify]: Extracting # 6 : cost 0 0.046 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.048 * * [simplify]: Extracting # 0 : cost 0 0.048 * * [simplify]: Extracting # 1 : cost 0 0.049 * * [simplify]: Extracting # 2 : cost 0 0.049 * * [simplify]: iteration 1 : 21 enodes (cost 11 ) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 2 : 35 enodes (cost 11 ) 0.067 * * [simplify]: Extracting # 0 : cost 0 0.068 * * [simplify]: Extracting # 1 : cost 0 0.068 * * [simplify]: Extracting # 2 : cost 0 0.068 * * [simplify]: iteration 3 : 56 enodes (cost 11 ) 0.082 * * [simplify]: Extracting # 0 : cost 0 0.082 * * [simplify]: Extracting # 1 : cost 0 0.082 * * [simplify]: Extracting # 2 : cost 0 0.083 * * [simplify]: iteration 4 : 94 enodes (cost 11 ) 0.101 * * [simplify]: Extracting # 0 : cost 0 0.101 * * [simplify]: Extracting # 1 : cost 0 0.101 * * [simplify]: Extracting # 2 : cost 0 0.101 * * [simplify]: iteration 5 : 140 enodes (cost 11 ) 0.123 * * [simplify]: Extracting # 0 : cost 0 0.124 * * [simplify]: Extracting # 1 : cost 0 0.124 * * [simplify]: Extracting # 2 : cost 0 0.128 * * [simplify]: iteration 6 : 167 enodes (cost 11 ) 0.172 * * [simplify]: Extracting # 0 : cost 0 0.173 * * [simplify]: Extracting # 1 : cost 0 0.173 * * [simplify]: Extracting # 2 : cost 0 0.173 * * [simplify]: iteration 7 : 183 enodes (cost 11 ) 0.216 * * [simplify]: Extracting # 0 : cost 0 0.216 * * [simplify]: Extracting # 1 : cost 0 0.216 * * [simplify]: Extracting # 2 : cost 0 0.216 * * [simplify]: iteration 8 : 206 enodes (cost 11 ) 0.278 * * [simplify]: Extracting # 0 : cost 0 0.279 * * [simplify]: Extracting # 1 : cost 0 0.280 * * [simplify]: Extracting # 2 : cost 0 0.280 * * [simplify]: iteration 9 : 239 enodes (cost 11 ) 0.347 * * [simplify]: Extracting # 0 : cost 0 0.348 * * [simplify]: Extracting # 1 : cost 0 0.348 * * [simplify]: Extracting # 2 : cost 0 0.349 * * [simplify]: iteration 10 : 296 enodes (cost 11 ) 0.449 * * [simplify]: Extracting # 0 : cost 0 0.450 * * [simplify]: Extracting # 1 : cost 0 0.451 * * [simplify]: Extracting # 2 : cost 0 0.451 * * [simplify]: iteration 11 : 328 enodes (cost 11 ) 0.558 * * [simplify]: Extracting # 0 : cost 0 0.558 * * [simplify]: Extracting # 1 : cost 0 0.559 * * [simplify]: Extracting # 2 : cost 0 0.559 * * [simplify]: iteration 12 : 370 enodes (cost 11 ) 0.743 * * [simplify]: Extracting # 0 : cost 0 0.744 * * [simplify]: Extracting # 1 : cost 0 0.744 * * [simplify]: Extracting # 2 : cost 0 0.745 * * [simplify]: iteration 13 : 405 enodes (cost 11 ) 0.929 * * [simplify]: Extracting # 0 : cost 0 0.930 * * [simplify]: Extracting # 1 : cost 0 0.931 * * [simplify]: iteration 14 : 417 enodes (cost 11 ) 1.066 * * [simplify]: Extracting # 0 : cost 0 1.067 * * [simplify]: iteration done: 417 enodes (cost 11 ) 1.067 * [simplify]: Simplified to: (+ x (* y (/ (- z t) (- z a)))) 1.067 * * [progress]: iteration 1 / 4 1.067 * * * [progress]: picking best candidate 1.069 * * * * [pick]: Picked # 1.069 * * * [progress]: localizing error 1.089 * * * [progress]: generating rewritten candidates 1.089 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2) 1.142 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2) 1.190 * * * [progress]: generating series expansions 1.190 * * * * [progress]: [ 1 / 2 ] generating series at (2 2) 1.191 * [backup-simplify]: Simplify (* y (/ (- z t) (- z a))) into (/ (* y (- z t)) (- z a)) 1.191 * [approximate]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in (y z t a) around 0 1.191 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in a 1.191 * [taylor]: Taking taylor expansion of (* y (- z t)) in a 1.191 * [taylor]: Taking taylor expansion of y in a 1.191 * [backup-simplify]: Simplify y into y 1.191 * [taylor]: Taking taylor expansion of (- z t) in a 1.191 * [taylor]: Taking taylor expansion of z in a 1.191 * [backup-simplify]: Simplify z into z 1.191 * [taylor]: Taking taylor expansion of t in a 1.191 * [backup-simplify]: Simplify t into t 1.191 * [taylor]: Taking taylor expansion of (- z a) in a 1.191 * [taylor]: Taking taylor expansion of z in a 1.191 * [backup-simplify]: Simplify z into z 1.191 * [taylor]: Taking taylor expansion of a in a 1.191 * [backup-simplify]: Simplify 0 into 0 1.191 * [backup-simplify]: Simplify 1 into 1 1.191 * [backup-simplify]: Simplify (- t) into (- t) 1.191 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.191 * [backup-simplify]: Simplify (* y (- z t)) into (* y (- z t)) 1.192 * [backup-simplify]: Simplify (- 0) into 0 1.192 * [backup-simplify]: Simplify (+ z 0) into z 1.192 * [backup-simplify]: Simplify (/ (* y (- z t)) z) into (/ (* y (- z t)) z) 1.192 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in t 1.192 * [taylor]: Taking taylor expansion of (* y (- z t)) in t 1.192 * [taylor]: Taking taylor expansion of y in t 1.192 * [backup-simplify]: Simplify y into y 1.192 * [taylor]: Taking taylor expansion of (- z t) in t 1.192 * [taylor]: Taking taylor expansion of z in t 1.192 * [backup-simplify]: Simplify z into z 1.192 * [taylor]: Taking taylor expansion of t in t 1.192 * [backup-simplify]: Simplify 0 into 0 1.192 * [backup-simplify]: Simplify 1 into 1 1.192 * [taylor]: Taking taylor expansion of (- z a) in t 1.192 * [taylor]: Taking taylor expansion of z in t 1.192 * [backup-simplify]: Simplify z into z 1.192 * [taylor]: Taking taylor expansion of a in t 1.192 * [backup-simplify]: Simplify a into a 1.192 * [backup-simplify]: Simplify (- 0) into 0 1.192 * [backup-simplify]: Simplify (+ z 0) into z 1.192 * [backup-simplify]: Simplify (* y z) into (* z y) 1.192 * [backup-simplify]: Simplify (- a) into (- a) 1.192 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.193 * [backup-simplify]: Simplify (/ (* z y) (- z a)) into (/ (* z y) (- z a)) 1.193 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in z 1.193 * [taylor]: Taking taylor expansion of (* y (- z t)) in z 1.193 * [taylor]: Taking taylor expansion of y in z 1.193 * [backup-simplify]: Simplify y into y 1.193 * [taylor]: Taking taylor expansion of (- z t) in z 1.193 * [taylor]: Taking taylor expansion of z in z 1.193 * [backup-simplify]: Simplify 0 into 0 1.193 * [backup-simplify]: Simplify 1 into 1 1.193 * [taylor]: Taking taylor expansion of t in z 1.193 * [backup-simplify]: Simplify t into t 1.193 * [taylor]: Taking taylor expansion of (- z a) in z 1.193 * [taylor]: Taking taylor expansion of z in z 1.193 * [backup-simplify]: Simplify 0 into 0 1.193 * [backup-simplify]: Simplify 1 into 1 1.193 * [taylor]: Taking taylor expansion of a in z 1.193 * [backup-simplify]: Simplify a into a 1.193 * [backup-simplify]: Simplify (- t) into (- t) 1.193 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.193 * [backup-simplify]: Simplify (* y (- t)) into (* -1 (* t y)) 1.193 * [backup-simplify]: Simplify (- a) into (- a) 1.193 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.193 * [backup-simplify]: Simplify (/ (* -1 (* t y)) (- a)) into (/ (* t y) a) 1.193 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in y 1.193 * [taylor]: Taking taylor expansion of (* y (- z t)) in y 1.193 * [taylor]: Taking taylor expansion of y in y 1.193 * [backup-simplify]: Simplify 0 into 0 1.193 * [backup-simplify]: Simplify 1 into 1 1.193 * [taylor]: Taking taylor expansion of (- z t) in y 1.193 * [taylor]: Taking taylor expansion of z in y 1.193 * [backup-simplify]: Simplify z into z 1.193 * [taylor]: Taking taylor expansion of t in y 1.193 * [backup-simplify]: Simplify t into t 1.193 * [taylor]: Taking taylor expansion of (- z a) in y 1.193 * [taylor]: Taking taylor expansion of z in y 1.193 * [backup-simplify]: Simplify z into z 1.193 * [taylor]: Taking taylor expansion of a in y 1.193 * [backup-simplify]: Simplify a into a 1.193 * [backup-simplify]: Simplify (- t) into (- t) 1.193 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.193 * [backup-simplify]: Simplify (* 0 (- z t)) into 0 1.194 * [backup-simplify]: Simplify (- 0) into 0 1.194 * [backup-simplify]: Simplify (+ 0 0) into 0 1.194 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- z t))) into (- z t) 1.194 * [backup-simplify]: Simplify (- a) into (- a) 1.194 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.194 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a)) 1.194 * [taylor]: Taking taylor expansion of (/ (* y (- z t)) (- z a)) in y 1.194 * [taylor]: Taking taylor expansion of (* y (- z t)) in y 1.194 * [taylor]: Taking taylor expansion of y in y 1.194 * [backup-simplify]: Simplify 0 into 0 1.194 * [backup-simplify]: Simplify 1 into 1 1.194 * [taylor]: Taking taylor expansion of (- z t) in y 1.194 * [taylor]: Taking taylor expansion of z in y 1.194 * [backup-simplify]: Simplify z into z 1.194 * [taylor]: Taking taylor expansion of t in y 1.194 * [backup-simplify]: Simplify t into t 1.194 * [taylor]: Taking taylor expansion of (- z a) in y 1.194 * [taylor]: Taking taylor expansion of z in y 1.194 * [backup-simplify]: Simplify z into z 1.194 * [taylor]: Taking taylor expansion of a in y 1.194 * [backup-simplify]: Simplify a into a 1.195 * [backup-simplify]: Simplify (- t) into (- t) 1.195 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.195 * [backup-simplify]: Simplify (* 0 (- z t)) into 0 1.195 * [backup-simplify]: Simplify (- 0) into 0 1.195 * [backup-simplify]: Simplify (+ 0 0) into 0 1.195 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- z t))) into (- z t) 1.195 * [backup-simplify]: Simplify (- a) into (- a) 1.195 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.196 * [backup-simplify]: Simplify (/ (- z t) (- z a)) into (/ (- z t) (- z a)) 1.196 * [taylor]: Taking taylor expansion of (/ (- z t) (- z a)) in z 1.196 * [taylor]: Taking taylor expansion of (- z t) in z 1.196 * [taylor]: Taking taylor expansion of z in z 1.196 * [backup-simplify]: Simplify 0 into 0 1.196 * [backup-simplify]: Simplify 1 into 1 1.196 * [taylor]: Taking taylor expansion of t in z 1.196 * [backup-simplify]: Simplify t into t 1.196 * [taylor]: Taking taylor expansion of (- z a) in z 1.196 * [taylor]: Taking taylor expansion of z in z 1.196 * [backup-simplify]: Simplify 0 into 0 1.196 * [backup-simplify]: Simplify 1 into 1 1.196 * [taylor]: Taking taylor expansion of a in z 1.196 * [backup-simplify]: Simplify a into a 1.196 * [backup-simplify]: Simplify (- t) into (- t) 1.196 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.196 * [backup-simplify]: Simplify (- a) into (- a) 1.196 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.196 * [backup-simplify]: Simplify (/ (- t) (- a)) into (/ t a) 1.196 * [taylor]: Taking taylor expansion of (/ t a) in t 1.196 * [taylor]: Taking taylor expansion of t in t 1.196 * [backup-simplify]: Simplify 0 into 0 1.196 * [backup-simplify]: Simplify 1 into 1 1.196 * [taylor]: Taking taylor expansion of a in t 1.196 * [backup-simplify]: Simplify a into a 1.196 * [backup-simplify]: Simplify (/ 1 a) into (/ 1 a) 1.196 * [backup-simplify]: Simplify (- 0) into 0 1.197 * [backup-simplify]: Simplify (+ 0 0) into 0 1.197 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- z t)))) into 0 1.197 * [backup-simplify]: Simplify (- 0) into 0 1.198 * [backup-simplify]: Simplify (+ 0 0) into 0 1.198 * [backup-simplify]: Simplify (- (/ 0 (- z a)) (+ (* (/ (- z t) (- z a)) (/ 0 (- z a))))) into 0 1.198 * [taylor]: Taking taylor expansion of 0 in z 1.198 * [backup-simplify]: Simplify 0 into 0 1.198 * [taylor]: Taking taylor expansion of 0 in t 1.198 * [backup-simplify]: Simplify 0 into 0 1.198 * [taylor]: Taking taylor expansion of 0 in a 1.198 * [backup-simplify]: Simplify 0 into 0 1.198 * [backup-simplify]: Simplify 0 into 0 1.199 * [backup-simplify]: Simplify (- 0) into 0 1.199 * [backup-simplify]: Simplify (+ 1 0) into 1 1.199 * [backup-simplify]: Simplify (- 0) into 0 1.199 * [backup-simplify]: Simplify (+ 1 0) into 1