18.225 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.038 * * * [progress]: [2/2] Setting up program. 0.041 * [progress]: [Phase 2 of 3] Improving. 0.041 * [simplify]: Simplifying: (+ (* x y) (* z t)) 0.042 * * [simplify]: Extracting # 0 : cost 0 0.042 * * [simplify]: Extracting # 1 : cost 0 0.042 * * [simplify]: Extracting # 2 : cost 0 0.042 * * [simplify]: Extracting # 3 : cost 0 0.042 * * [simplify]: Extracting # 4 : cost 0 0.042 * * [simplify]: iteration 0 : 7 enodes (cost 7 ) 0.043 * * [simplify]: Extracting # 0 : cost 0 0.043 * * [simplify]: iteration 1 : 10 enodes (cost 7 ) 0.044 * * [simplify]: Extracting # 0 : cost 0 0.044 * * [simplify]: iteration done: 10 enodes (cost 7 ) 0.044 * [simplify]: Simplified to: (+ (* x y) (* z t)) 0.044 * * [progress]: iteration 1 / 4 0.044 * * * [progress]: picking best candidate 0.046 * * * * [pick]: Picked # 0.046 * * * [progress]: localizing error 0.053 * * * [progress]: generating rewritten candidates 0.053 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.062 * * * [progress]: generating series expansions 0.062 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.062 * [backup-simplify]: Simplify (+ (* x y) (* z t)) into (+ (* t z) (* x y)) 0.062 * [approximate]: Taking taylor expansion of (+ (* t z) (* x y)) in (x y z t) around 0 0.062 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in t 0.062 * [taylor]: Taking taylor expansion of (* t z) in t 0.062 * [taylor]: Taking taylor expansion of t in t 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.062 * [taylor]: Taking taylor expansion of z in t 0.062 * [backup-simplify]: Simplify z into z 0.062 * [taylor]: Taking taylor expansion of (* x y) in t 0.062 * [taylor]: Taking taylor expansion of x in t 0.062 * [backup-simplify]: Simplify x into x 0.062 * [taylor]: Taking taylor expansion of y in t 0.062 * [backup-simplify]: Simplify y into y 0.062 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in z 0.062 * [taylor]: Taking taylor expansion of (* t z) in z 0.062 * [taylor]: Taking taylor expansion of t in z 0.062 * [backup-simplify]: Simplify t into t 0.062 * [taylor]: Taking taylor expansion of z in z 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.062 * [taylor]: Taking taylor expansion of (* x y) in z 0.062 * [taylor]: Taking taylor expansion of x in z 0.062 * [backup-simplify]: Simplify x into x 0.062 * [taylor]: Taking taylor expansion of y in z 0.062 * [backup-simplify]: Simplify y into y 0.062 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in y 0.062 * [taylor]: Taking taylor expansion of (* t z) in y 0.062 * [taylor]: Taking taylor expansion of t in y 0.062 * [backup-simplify]: Simplify t into t 0.062 * [taylor]: Taking taylor expansion of z in y 0.062 * [backup-simplify]: Simplify z into z 0.062 * [taylor]: Taking taylor expansion of (* x y) in y 0.062 * [taylor]: Taking taylor expansion of x in y 0.062 * [backup-simplify]: Simplify x into x 0.062 * [taylor]: Taking taylor expansion of y in y 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.062 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x 0.062 * [taylor]: Taking taylor expansion of (* t z) in x 0.062 * [taylor]: Taking taylor expansion of t in x 0.062 * [backup-simplify]: Simplify t into t 0.062 * [taylor]: Taking taylor expansion of z in x 0.062 * [backup-simplify]: Simplify z into z 0.062 * [taylor]: Taking taylor expansion of (* x y) in x 0.062 * [taylor]: Taking taylor expansion of x in x 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.062 * [taylor]: Taking taylor expansion of y in x 0.063 * [backup-simplify]: Simplify y into y 0.063 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x 0.063 * [taylor]: Taking taylor expansion of (* t z) in x 0.063 * [taylor]: Taking taylor expansion of t in x 0.063 * [backup-simplify]: Simplify t into t 0.063 * [taylor]: Taking taylor expansion of z in x 0.063 * [backup-simplify]: Simplify z into z 0.063 * [taylor]: Taking taylor expansion of (* x y) in x 0.063 * [taylor]: Taking taylor expansion of x in x 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify 1 into 1 0.063 * [taylor]: Taking taylor expansion of y in x 0.063 * [backup-simplify]: Simplify y into y 0.063 * [backup-simplify]: Simplify (* t z) into (* t z) 0.063 * [backup-simplify]: Simplify (* 0 y) into 0 0.063 * [backup-simplify]: Simplify (+ (* t z) 0) into (* t z) 0.063 * [taylor]: Taking taylor expansion of (* t z) in y 0.063 * [taylor]: Taking taylor expansion of t in y 0.063 * [backup-simplify]: Simplify t into t 0.063 * [taylor]: Taking taylor expansion of z in y 0.063 * [backup-simplify]: Simplify z into z 0.063 * [backup-simplify]: Simplify (* t z) into (* t z) 0.063 * [taylor]: Taking taylor expansion of (* t z) in z 0.063 * [taylor]: Taking taylor expansion of t in z 0.063 * [backup-simplify]: Simplify t into t 0.063 * [taylor]: Taking taylor expansion of z in z 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify 1 into 1 0.063 * [backup-simplify]: Simplify (* t 0) into 0 0.063 * [taylor]: Taking taylor expansion of 0 in t 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.064 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.064 * [backup-simplify]: Simplify (+ 0 y) into y 0.064 * [taylor]: Taking taylor expansion of y in y 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify 1 into 1 0.064 * [taylor]: Taking taylor expansion of 0 in z 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [taylor]: Taking taylor expansion of 0 in t 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.064 * [taylor]: Taking taylor expansion of 0 in z 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [taylor]: Taking taylor expansion of 0 in t 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.079 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.079 * [taylor]: Taking taylor expansion of t in t 0.079 * [backup-simplify]: Simplify 0 into 0 0.079 * [backup-simplify]: Simplify 1 into 1 0.079 * [backup-simplify]: Simplify 0 into 0 0.080 * [backup-simplify]: Simplify 0 into 0 0.080 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 0.081 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.082 * [backup-simplify]: Simplify (+ 0 0) into 0 0.082 * [taylor]: Taking taylor expansion of 0 in y 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [taylor]: Taking taylor expansion of 0 in z 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [taylor]: Taking taylor expansion of 0 in t 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 y)) (* (/ 1 z) (/ 1 t))) into (+ (/ 1 (* t z)) (/ 1 (* x y))) 0.082 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0 0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t 0.082 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t 0.082 * [taylor]: Taking taylor expansion of (* t z) in t 0.082 * [taylor]: Taking taylor expansion of t in t 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify 1 into 1 0.083 * [taylor]: Taking taylor expansion of z in t 0.083 * [backup-simplify]: Simplify z into z 0.083 * [backup-simplify]: Simplify (* 0 z) into 0 0.083 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 z)) into z 0.083 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.083 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t 0.083 * [taylor]: Taking taylor expansion of (* x y) in t 0.083 * [taylor]: Taking taylor expansion of x in t 0.083 * [backup-simplify]: Simplify x into x 0.083 * [taylor]: Taking taylor expansion of y in t 0.083 * [backup-simplify]: Simplify y into y 0.083 * [backup-simplify]: Simplify (* x y) into (* x y) 0.083 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y)) 0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z 0.084 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z 0.084 * [taylor]: Taking taylor expansion of (* t z) in z 0.084 * [taylor]: Taking taylor expansion of t in z 0.084 * [backup-simplify]: Simplify t into t 0.084 * [taylor]: Taking taylor expansion of z in z 0.084 * [backup-simplify]: Simplify 0 into 0 0.084 * [backup-simplify]: Simplify 1 into 1 0.084 * [backup-simplify]: Simplify (* t 0) into 0 0.084 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.084 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t) 0.084 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z 0.084 * [taylor]: Taking taylor expansion of (* x y) in z 0.084 * [taylor]: Taking taylor expansion of x in z 0.084 * [backup-simplify]: Simplify x into x 0.084 * [taylor]: Taking taylor expansion of y in z 0.084 * [backup-simplify]: Simplify y into y 0.084 * [backup-simplify]: Simplify (* x y) into (* x y) 0.085 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y)) 0.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y 0.085 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y 0.085 * [taylor]: Taking taylor expansion of (* t z) in y 0.085 * [taylor]: Taking taylor expansion of t in y 0.085 * [backup-simplify]: Simplify t into t 0.085 * [taylor]: Taking taylor expansion of z in y 0.085 * [backup-simplify]: Simplify z into z 0.085 * [backup-simplify]: Simplify (* t z) into (* t z) 0.085 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.085 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.085 * [taylor]: Taking taylor expansion of (* x y) in y 0.085 * [taylor]: Taking taylor expansion of x in y 0.085 * [backup-simplify]: Simplify x into x 0.085 * [taylor]: Taking taylor expansion of y in y 0.085 * [backup-simplify]: Simplify 0 into 0 0.085 * [backup-simplify]: Simplify 1 into 1 0.085 * [backup-simplify]: Simplify (* x 0) into 0 0.086 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.086 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x 0.086 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x 0.086 * [taylor]: Taking taylor expansion of (* t z) in x 0.086 * [taylor]: Taking taylor expansion of t in x 0.086 * [backup-simplify]: Simplify t into t 0.086 * [taylor]: Taking taylor expansion of z in x 0.086 * [backup-simplify]: Simplify z into z 0.086 * [backup-simplify]: Simplify (* t z) into (* t z) 0.086 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.086 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.086 * [taylor]: Taking taylor expansion of (* x y) in x 0.086 * [taylor]: Taking taylor expansion of x in x 0.086 * [backup-simplify]: Simplify 0 into 0 0.086 * [backup-simplify]: Simplify 1 into 1 0.086 * [taylor]: Taking taylor expansion of y in x 0.086 * [backup-simplify]: Simplify y into y 0.086 * [backup-simplify]: Simplify (* 0 y) into 0 0.087 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.087 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.087 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x 0.087 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x 0.087 * [taylor]: Taking taylor expansion of (* t z) in x 0.087 * [taylor]: Taking taylor expansion of t in x 0.087 * [backup-simplify]: Simplify t into t 0.087 * [taylor]: Taking taylor expansion of z in x 0.087 * [backup-simplify]: Simplify z into z 0.087 * [backup-simplify]: Simplify (* t z) into (* t z) 0.087 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.087 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.087 * [taylor]: Taking taylor expansion of (* x y) in x 0.087 * [taylor]: Taking taylor expansion of x in x 0.087 * [backup-simplify]: Simplify 0 into 0 0.087 * [backup-simplify]: Simplify 1 into 1 0.087 * [taylor]: Taking taylor expansion of y in x 0.087 * [backup-simplify]: Simplify y into y 0.087 * [backup-simplify]: Simplify (* 0 y) into 0 0.088 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.088 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.088 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y) 0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.088 * [taylor]: Taking taylor expansion of y in y 0.088 * [backup-simplify]: Simplify 0 into 0 0.088 * [backup-simplify]: Simplify 1 into 1 0.089 * [backup-simplify]: Simplify (/ 1 1) into 1 0.089 * [taylor]: Taking taylor expansion of 1 in z 0.089 * [backup-simplify]: Simplify 1 into 1 0.090 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.090 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.090 * [backup-simplify]: Simplify (+ (/ 1 (* t z)) 0) into (/ 1 (* t z)) 0.091 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y 0.091 * [taylor]: Taking taylor expansion of (* t z) in y 0.091 * [taylor]: Taking taylor expansion of t in y 0.091 * [backup-simplify]: Simplify t into t 0.091 * [taylor]: Taking taylor expansion of z in y 0.091 * [backup-simplify]: Simplify z into z 0.091 * [backup-simplify]: Simplify (* t z) into (* t z) 0.091 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.092 * [taylor]: Taking taylor expansion of 0 in z 0.092 * [backup-simplify]: Simplify 0 into 0 0.092 * [taylor]: Taking taylor expansion of 1 in t 0.092 * [backup-simplify]: Simplify 1 into 1 0.092 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0 0.093 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.094 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.094 * [backup-simplify]: Simplify (+ 0 0) into 0 0.094 * [taylor]: Taking taylor expansion of 0 in y 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z 0.094 * [taylor]: Taking taylor expansion of (* t z) in z 0.094 * [taylor]: Taking taylor expansion of t in z 0.094 * [backup-simplify]: Simplify t into t 0.094 * [taylor]: Taking taylor expansion of z in z 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.094 * [backup-simplify]: Simplify (* t 0) into 0 0.095 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.095 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t) 0.095 * [taylor]: Taking taylor expansion of (/ 1 t) in t 0.095 * [taylor]: Taking taylor expansion of t in t 0.095 * [backup-simplify]: Simplify 0 into 0 0.095 * [backup-simplify]: Simplify 1 into 1 0.095 * [backup-simplify]: Simplify (/ 1 1) into 1 0.095 * [backup-simplify]: Simplify 1 into 1 0.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.096 * [taylor]: Taking taylor expansion of 0 in z 0.096 * [backup-simplify]: Simplify 0 into 0 0.096 * [taylor]: Taking taylor expansion of 0 in t 0.097 * [backup-simplify]: Simplify 0 into 0 0.097 * [taylor]: Taking taylor expansion of 0 in t 0.097 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify 1 into 1 0.097 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 0.098 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.098 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.099 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.099 * [backup-simplify]: Simplify (+ 0 0) into 0 0.099 * [taylor]: Taking taylor expansion of 0 in y 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [taylor]: Taking taylor expansion of 0 in z 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.099 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0 0.099 * [taylor]: Taking taylor expansion of 0 in z 0.099 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.100 * [taylor]: Taking taylor expansion of 0 in z 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 0))) into 0 0.100 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)))) into 0 0.100 * [taylor]: Taking taylor expansion of 0 in t 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [taylor]: Taking taylor expansion of 0 in t 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [taylor]: Taking taylor expansion of 0 in t 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [taylor]: Taking taylor expansion of 0 in t 0.100 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify 0 into 0 0.102 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0 0.102 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.103 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0 0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.104 * [backup-simplify]: Simplify (+ 0 0) into 0 0.104 * [taylor]: Taking taylor expansion of 0 in y 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [taylor]: Taking taylor expansion of 0 in z 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [taylor]: Taking taylor expansion of 0 in z 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.104 * [taylor]: Taking taylor expansion of 0 in z 0.104 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.105 * [taylor]: Taking taylor expansion of 0 in z 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [taylor]: Taking taylor expansion of 0 in t 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [taylor]: Taking taylor expansion of 0 in t 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [taylor]: Taking taylor expansion of 0 in t 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)) (* 0 (/ 0 t)))) into 0 0.106 * [taylor]: Taking taylor expansion of 0 in t 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [taylor]: Taking taylor expansion of 0 in t 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [taylor]: Taking taylor expansion of 0 in t 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [taylor]: Taking taylor expansion of 0 in t 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) (* 1 (* (/ 1 (/ 1 t)) (* (/ 1 (/ 1 z)) (* 1 1))))) into (+ (* t z) (* x y)) 0.106 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- z)) (/ 1 (- t)))) into (+ (/ 1 (* t z)) (/ 1 (* x y))) 0.106 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0 0.106 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t 0.107 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t 0.107 * [taylor]: Taking taylor expansion of (* t z) in t 0.107 * [taylor]: Taking taylor expansion of t in t 0.107 * [backup-simplify]: Simplify 0 into 0 0.107 * [backup-simplify]: Simplify 1 into 1 0.107 * [taylor]: Taking taylor expansion of z in t 0.107 * [backup-simplify]: Simplify z into z 0.107 * [backup-simplify]: Simplify (* 0 z) into 0 0.107 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 z)) into z 0.107 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.107 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t 0.107 * [taylor]: Taking taylor expansion of (* x y) in t 0.107 * [taylor]: Taking taylor expansion of x in t 0.107 * [backup-simplify]: Simplify x into x 0.107 * [taylor]: Taking taylor expansion of y in t 0.107 * [backup-simplify]: Simplify y into y 0.107 * [backup-simplify]: Simplify (* x y) into (* x y) 0.107 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y)) 0.107 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z 0.107 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z 0.107 * [taylor]: Taking taylor expansion of (* t z) in z 0.107 * [taylor]: Taking taylor expansion of t in z 0.107 * [backup-simplify]: Simplify t into t 0.107 * [taylor]: Taking taylor expansion of z in z 0.107 * [backup-simplify]: Simplify 0 into 0 0.107 * [backup-simplify]: Simplify 1 into 1 0.107 * [backup-simplify]: Simplify (* t 0) into 0 0.108 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.108 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t) 0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z 0.108 * [taylor]: Taking taylor expansion of (* x y) in z 0.108 * [taylor]: Taking taylor expansion of x in z 0.108 * [backup-simplify]: Simplify x into x 0.108 * [taylor]: Taking taylor expansion of y in z 0.108 * [backup-simplify]: Simplify y into y 0.108 * [backup-simplify]: Simplify (* x y) into (* x y) 0.108 * [backup-simplify]: Simplify (/ 1 (* x y)) into (/ 1 (* x y)) 0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y 0.108 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y 0.108 * [taylor]: Taking taylor expansion of (* t z) in y 0.108 * [taylor]: Taking taylor expansion of t in y 0.108 * [backup-simplify]: Simplify t into t 0.108 * [taylor]: Taking taylor expansion of z in y 0.108 * [backup-simplify]: Simplify z into z 0.108 * [backup-simplify]: Simplify (* t z) into (* t z) 0.108 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.108 * [taylor]: Taking taylor expansion of (* x y) in y 0.108 * [taylor]: Taking taylor expansion of x in y 0.108 * [backup-simplify]: Simplify x into x 0.108 * [taylor]: Taking taylor expansion of y in y 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify 1 into 1 0.108 * [backup-simplify]: Simplify (* x 0) into 0 0.108 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.108 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x 0.109 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x 0.109 * [taylor]: Taking taylor expansion of (* t z) in x 0.109 * [taylor]: Taking taylor expansion of t in x 0.109 * [backup-simplify]: Simplify t into t 0.109 * [taylor]: Taking taylor expansion of z in x 0.109 * [backup-simplify]: Simplify z into z 0.109 * [backup-simplify]: Simplify (* t z) into (* t z) 0.109 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.109 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.109 * [taylor]: Taking taylor expansion of (* x y) in x 0.109 * [taylor]: Taking taylor expansion of x in x 0.109 * [backup-simplify]: Simplify 0 into 0 0.109 * [backup-simplify]: Simplify 1 into 1 0.109 * [taylor]: Taking taylor expansion of y in x 0.109 * [backup-simplify]: Simplify y into y 0.109 * [backup-simplify]: Simplify (* 0 y) into 0 0.109 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.109 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.109 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x 0.109 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x 0.109 * [taylor]: Taking taylor expansion of (* t z) in x 0.109 * [taylor]: Taking taylor expansion of t in x 0.109 * [backup-simplify]: Simplify t into t 0.109 * [taylor]: Taking taylor expansion of z in x 0.109 * [backup-simplify]: Simplify z into z 0.109 * [backup-simplify]: Simplify (* t z) into (* t z) 0.109 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.109 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.109 * [taylor]: Taking taylor expansion of (* x y) in x 0.109 * [taylor]: Taking taylor expansion of x in x 0.109 * [backup-simplify]: Simplify 0 into 0 0.109 * [backup-simplify]: Simplify 1 into 1 0.109 * [taylor]: Taking taylor expansion of y in x 0.109 * [backup-simplify]: Simplify y into y 0.109 * [backup-simplify]: Simplify (* 0 y) into 0 0.110 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.110 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.110 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y) 0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.110 * [taylor]: Taking taylor expansion of y in y 0.110 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify 1 into 1 0.110 * [backup-simplify]: Simplify (/ 1 1) into 1 0.110 * [taylor]: Taking taylor expansion of 1 in z 0.110 * [backup-simplify]: Simplify 1 into 1 0.111 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.111 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.111 * [backup-simplify]: Simplify (+ (/ 1 (* t z)) 0) into (/ 1 (* t z)) 0.111 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y 0.111 * [taylor]: Taking taylor expansion of (* t z) in y 0.111 * [taylor]: Taking taylor expansion of t in y 0.111 * [backup-simplify]: Simplify t into t 0.111 * [taylor]: Taking taylor expansion of z in y 0.111 * [backup-simplify]: Simplify z into z 0.111 * [backup-simplify]: Simplify (* t z) into (* t z) 0.111 * [backup-simplify]: Simplify (/ 1 (* t z)) into (/ 1 (* t z)) 0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.112 * [taylor]: Taking taylor expansion of 0 in z 0.112 * [backup-simplify]: Simplify 0 into 0 0.112 * [taylor]: Taking taylor expansion of 1 in t 0.112 * [backup-simplify]: Simplify 1 into 1 0.112 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.112 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0 0.113 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.113 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.113 * [backup-simplify]: Simplify (+ 0 0) into 0 0.113 * [taylor]: Taking taylor expansion of 0 in y 0.113 * [backup-simplify]: Simplify 0 into 0 0.113 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z 0.113 * [taylor]: Taking taylor expansion of (* t z) in z 0.113 * [taylor]: Taking taylor expansion of t in z 0.113 * [backup-simplify]: Simplify t into t 0.113 * [taylor]: Taking taylor expansion of z in z 0.113 * [backup-simplify]: Simplify 0 into 0 0.113 * [backup-simplify]: Simplify 1 into 1 0.113 * [backup-simplify]: Simplify (* t 0) into 0 0.114 * [backup-simplify]: Simplify (+ (* t 1) (* 0 0)) into t 0.114 * [backup-simplify]: Simplify (/ 1 t) into (/ 1 t) 0.114 * [taylor]: Taking taylor expansion of (/ 1 t) in t 0.114 * [taylor]: Taking taylor expansion of t in t 0.114 * [backup-simplify]: Simplify 0 into 0 0.114 * [backup-simplify]: Simplify 1 into 1 0.114 * [backup-simplify]: Simplify (/ 1 1) into 1 0.114 * [backup-simplify]: Simplify 1 into 1 0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.115 * [taylor]: Taking taylor expansion of 0 in z 0.115 * [backup-simplify]: Simplify 0 into 0 0.115 * [taylor]: Taking taylor expansion of 0 in t 0.115 * [backup-simplify]: Simplify 0 into 0 0.115 * [taylor]: Taking taylor expansion of 0 in t 0.115 * [backup-simplify]: Simplify 0 into 0 0.115 * [backup-simplify]: Simplify 1 into 1 0.115 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 0.115 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.116 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.117 * [backup-simplify]: Simplify (+ 0 0) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in y 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [taylor]: Taking taylor expansion of 0 in z 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify (+ (* t 0) (* 0 z)) into 0 0.117 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))))) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in z 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in z 0.117 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 1) (* 0 0))) into 0 0.118 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)))) into 0 0.118 * [taylor]: Taking taylor expansion of 0 in t 0.118 * [backup-simplify]: Simplify 0 into 0 0.118 * [taylor]: Taking taylor expansion of 0 in t 0.118 * [backup-simplify]: Simplify 0 into 0 0.118 * [taylor]: Taking taylor expansion of 0 in t 0.118 * [backup-simplify]: Simplify 0 into 0 0.118 * [taylor]: Taking taylor expansion of 0 in t 0.118 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0 0.119 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0 0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.121 * [backup-simplify]: Simplify (+ 0 0) into 0 0.121 * [taylor]: Taking taylor expansion of 0 in y 0.121 * [backup-simplify]: Simplify 0 into 0 0.121 * [taylor]: Taking taylor expansion of 0 in z 0.121 * [backup-simplify]: Simplify 0 into 0 0.121 * [taylor]: Taking taylor expansion of 0 in z 0.121 * [backup-simplify]: Simplify 0 into 0 0.122 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (* 0 z))) into 0 0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* t z)) (/ 0 (* t z))) (* 0 (/ 0 (* t z))))) into 0 0.122 * [taylor]: Taking taylor expansion of 0 in z 0.122 * [backup-simplify]: Simplify 0 into 0 0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.122 * [taylor]: Taking taylor expansion of 0 in z 0.122 * [backup-simplify]: Simplify 0 into 0 0.122 * [taylor]: Taking taylor expansion of 0 in t 0.122 * [backup-simplify]: Simplify 0 into 0 0.123 * [taylor]: Taking taylor expansion of 0 in t 0.123 * [backup-simplify]: Simplify 0 into 0 0.123 * [taylor]: Taking taylor expansion of 0 in t 0.123 * [backup-simplify]: Simplify 0 into 0 0.123 * [backup-simplify]: Simplify (+ (* t 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 t) (/ 0 t)) (* 0 (/ 0 t)))) into 0 0.123 * [taylor]: Taking taylor expansion of 0 in t 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [taylor]: Taking taylor expansion of 0 in t 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [taylor]: Taking taylor expansion of 0 in t 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [taylor]: Taking taylor expansion of 0 in t 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) (* 1 (* (/ 1 (/ 1 (- t))) (* (/ 1 (/ 1 (- z))) (* 1 1))))) into (+ (* t z) (* x y)) 0.124 * * * [progress]: simplifying candidates 0.125 * [simplify]: Simplifying: (* (exp (* x y)) (exp (* z t))) (log (+ (* x y) (* z t))) (exp (+ (* x y) (* z t))) (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t)))) (cbrt (+ (* x y) (* z t))) (* (* (+ (* x y) (* z t)) (+ (* x y) (* z t))) (+ (* x y) (* z t))) (sqrt (+ (* x y) (* z t))) (sqrt (+ (* x y) (* z t))) (+ (pow (* x y) 3) (pow (* z t) 3)) (+ (* (* x y) (* x y)) (- (* (* z t) (* z t)) (* (* x y) (* z t)))) (- (* (* x y) (* x y)) (* (* z t) (* z t))) (- (* x y) (* z t)) 0 (+ (* t z) (* x y)) (+ (* t z) (* x y)) 0.125 * * [simplify]: Extracting # 0 : cost 0 0.125 * * [simplify]: Extracting # 1 : cost 0 0.125 * * [simplify]: Extracting # 2 : cost 0 0.125 * * [simplify]: Extracting # 3 : cost 0 0.125 * * [simplify]: Extracting # 4 : cost 0 0.125 * * [simplify]: Extracting # 5 : cost 0 0.126 * * [simplify]: iteration 0 : 31 enodes (cost 160 ) 0.139 * * [simplify]: Extracting # 0 : cost 0 0.139 * * [simplify]: Extracting # 1 : cost 0 0.140 * * [simplify]: Extracting # 2 : cost 0 0.140 * * [simplify]: Extracting # 3 : cost 0 0.140 * * [simplify]: iteration 1 : 101 enodes (cost 155 ) 0.197 * * [simplify]: Extracting # 0 : cost 0 0.198 * * [simplify]: Extracting # 1 : cost 0 0.199 * * [simplify]: Extracting # 2 : cost 0 0.200 * * [simplify]: Extracting # 3 : cost 0 0.201 * * [simplify]: Extracting # 4 : cost 0 0.201 * * [simplify]: Extracting # 5 : cost 0 0.202 * * [simplify]: Extracting # 6 : cost 0 0.203 * * [simplify]: iteration 2 : 343 enodes (cost 141 ) 0.391 * * [simplify]: Extracting # 0 : cost 0 0.394 * * [simplify]: Extracting # 1 : cost 0 0.395 * * [simplify]: Extracting # 2 : cost 0 0.397 * * [simplify]: Extracting # 3 : cost 0 0.399 * * [simplify]: Extracting # 4 : cost 0 0.400 * * [simplify]: iteration 3 : 931 enodes (cost 141 ) 1.245 * * [simplify]: Extracting # 0 : cost 0 1.248 * * [simplify]: Extracting # 1 : cost 0 1.251 * * [simplify]: Extracting # 2 : cost 0 1.253 * * [simplify]: Extracting # 3 : cost 0 1.255 * * [simplify]: Extracting # 4 : cost 0 1.258 * * [simplify]: iteration 4 : 2526 enodes (cost 141 ) 3.081 * * [simplify]: Extracting # 0 : cost 0 3.087 * * [simplify]: Extracting # 1 : cost 0 3.093 * * [simplify]: Extracting # 2 : cost 0 3.100 * * [simplify]: Extracting # 3 : cost 0 3.111 * * [simplify]: Extracting # 4 : cost 0 3.126 * * [simplify]: iteration done: 5000 enodes (cost 141 ) 3.126 * [simplify]: Simplified to: (exp (+ (* x y) (* z t))) (log (+ (* x y) (* z t))) (exp (+ (* x y) (* z t))) (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t)))) (cbrt (+ (* x y) (* z t))) (pow (+ (* t z) (* x y)) 3) (sqrt (+ (* x y) (* z t))) (sqrt (+ (* x y) (* z t))) (+ (pow (* x y) 3) (pow (* z t) 3)) (+ (* (* x y) (* x y)) (* (* t z) (- (* t z) (* x y)))) (- (* (* x y) (* x y)) (* (* z t) (* z t))) (- (* x y) (* z t)) 0 (+ (* t z) (* x y)) (+ (* t z) (* x y)) 3.126 * * * [progress]: adding candidates to table 3.189 * * [progress]: iteration 2 / 4 3.189 * * * [progress]: picking best candidate 3.192 * * * * [pick]: Picked # 3.192 * * * [progress]: localizing error 3.214 * * * [progress]: generating rewritten candidates 3.214 * * * * [progress]: [ 1 / 4 ] rewriting at (2) 3.322 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 2) 3.367 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1) 3.386 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2) 3.433 * * * [progress]: generating series expansions 3.433 * * * * [progress]: [ 1 / 4 ] generating series at (2)