6.565 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.033 * * * [progress]: [2/2] Setting up program. 0.036 * [progress]: [Phase 2 of 3] Improving. 0.036 * [simplify]: Simplifying: (/ (* x y) 2.0) 0.036 * * [simplify]: Extracting # 0 : cost 0 0.036 * * [simplify]: Extracting # 1 : cost 0 0.037 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: Extracting # 3 : cost 0 0.037 * * [simplify]: Extracting # 4 : cost 0 0.037 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 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 1 : 8 enodes (cost 5 ) 0.042 * * [simplify]: Extracting # 0 : cost 0 0.042 * * [simplify]: Extracting # 1 : cost 0 0.042 * * [simplify]: Extracting # 2 : cost 0 0.042 * * [simplify]: iteration 2 : 12 enodes (cost 5 ) 0.047 * * [simplify]: Extracting # 0 : cost 0 0.047 * * [simplify]: Extracting # 1 : cost 0 0.047 * * [simplify]: Extracting # 2 : cost 0 0.047 * * [simplify]: iteration 3 : 15 enodes (cost 5 ) 0.052 * * [simplify]: Extracting # 0 : cost 0 0.052 * * [simplify]: iteration 4 : 16 enodes (cost 5 ) 0.058 * * [simplify]: Extracting # 0 : cost 0 0.058 * * [simplify]: iteration done: 16 enodes (cost 5 ) 0.058 * [simplify]: Simplified to: (/ (* x y) 2.0) 0.058 * * [progress]: iteration 1 / 4 0.058 * * * [progress]: picking best candidate 0.060 * * * * [pick]: Picked # 0.060 * * * [progress]: localizing error 0.069 * * * [progress]: generating rewritten candidates 0.069 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.093 * * * [progress]: generating series expansions 0.093 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.093 * [backup-simplify]: Simplify (/ (* x y) 2.0) into (* 0.5 (* x y)) 0.093 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0 0.093 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y 0.093 * [taylor]: Taking taylor expansion of 0.5 in y 0.094 * [backup-simplify]: Simplify 0.5 into 0.5 0.094 * [taylor]: Taking taylor expansion of (* x y) in y 0.094 * [taylor]: Taking taylor expansion of x in y 0.094 * [backup-simplify]: Simplify x into x 0.094 * [taylor]: Taking taylor expansion of y in y 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.094 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.094 * [taylor]: Taking taylor expansion of 0.5 in x 0.094 * [backup-simplify]: Simplify 0.5 into 0.5 0.094 * [taylor]: Taking taylor expansion of (* x y) in x 0.094 * [taylor]: Taking taylor expansion of x in x 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.094 * [taylor]: Taking taylor expansion of y in x 0.094 * [backup-simplify]: Simplify y into y 0.094 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.094 * [taylor]: Taking taylor expansion of 0.5 in x 0.094 * [backup-simplify]: Simplify 0.5 into 0.5 0.094 * [taylor]: Taking taylor expansion of (* x y) in x 0.094 * [taylor]: Taking taylor expansion of x in x 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.094 * [taylor]: Taking taylor expansion of y in x 0.094 * [backup-simplify]: Simplify y into y 0.094 * [backup-simplify]: Simplify (* 0 y) into 0 0.095 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.095 * [taylor]: Taking taylor expansion of 0 in y 0.095 * [backup-simplify]: Simplify 0 into 0 0.095 * [backup-simplify]: Simplify 0 into 0 0.096 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.096 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y) 0.096 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.096 * [taylor]: Taking taylor expansion of 0.5 in y 0.096 * [backup-simplify]: Simplify 0.5 into 0.5 0.096 * [taylor]: Taking taylor expansion of y in y 0.096 * [backup-simplify]: Simplify 0 into 0 0.096 * [backup-simplify]: Simplify 1 into 1 0.097 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.097 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify 0 into 0 0.098 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.099 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 y) (* 0 0))) into 0 0.099 * [taylor]: Taking taylor expansion of 0 in y 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.100 * [backup-simplify]: Simplify 0.5 into 0.5 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))) into 0 0.101 * [taylor]: Taking taylor expansion of 0 in y 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 (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.102 * [backup-simplify]: Simplify 0 into 0 0.102 * [backup-simplify]: Simplify 0 into 0 0.103 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0 0.104 * [taylor]: Taking taylor expansion of 0 in y 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify (* 0.5 (* y x)) into (* 0.5 (* x y)) 0.104 * [backup-simplify]: Simplify (/ (* (/ 1 x) (/ 1 y)) 2.0) into (/ 0.5 (* x y)) 0.104 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.104 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.104 * [taylor]: Taking taylor expansion of 0.5 in y 0.104 * [backup-simplify]: Simplify 0.5 into 0.5 0.104 * [taylor]: Taking taylor expansion of (* x y) in y 0.104 * [taylor]: Taking taylor expansion of x in y 0.104 * [backup-simplify]: Simplify x into x 0.104 * [taylor]: Taking taylor expansion of y in y 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify 1 into 1 0.104 * [backup-simplify]: Simplify (* x 0) into 0 0.104 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.104 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x) 0.104 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.104 * [taylor]: Taking taylor expansion of 0.5 in x 0.104 * [backup-simplify]: Simplify 0.5 into 0.5 0.104 * [taylor]: Taking taylor expansion of (* x y) in x 0.104 * [taylor]: Taking taylor expansion of x in x 0.104 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify 1 into 1 0.104 * [taylor]: Taking taylor expansion of y in x 0.104 * [backup-simplify]: Simplify y into y 0.105 * [backup-simplify]: Simplify (* 0 y) into 0 0.105 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.105 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.105 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.105 * [taylor]: Taking taylor expansion of 0.5 in x 0.105 * [backup-simplify]: Simplify 0.5 into 0.5 0.105 * [taylor]: Taking taylor expansion of (* x y) in x 0.105 * [taylor]: Taking taylor expansion of x in x 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify 1 into 1 0.105 * [taylor]: Taking taylor expansion of y in x 0.105 * [backup-simplify]: Simplify y into y 0.105 * [backup-simplify]: Simplify (* 0 y) into 0 0.105 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.105 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.105 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.105 * [taylor]: Taking taylor expansion of 0.5 in y 0.105 * [backup-simplify]: Simplify 0.5 into 0.5 0.106 * [taylor]: Taking taylor expansion of y in y 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [backup-simplify]: Simplify 1 into 1 0.106 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5 0.106 * [backup-simplify]: Simplify 0.5 into 0.5 0.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.107 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0 0.107 * [taylor]: Taking taylor expansion of 0 in y 0.107 * [backup-simplify]: Simplify 0 into 0 0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0 0.107 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.108 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.108 * [taylor]: Taking taylor expansion of 0 in y 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify 0 into 0 0.109 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.109 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.110 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.110 * [taylor]: Taking taylor expansion of 0 in y 0.110 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify 0 into 0 0.111 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.111 * [backup-simplify]: Simplify 0 into 0 0.111 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* x y)) 0.111 * [backup-simplify]: Simplify (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) into (/ 0.5 (* x y)) 0.111 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.111 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.111 * [taylor]: Taking taylor expansion of 0.5 in y 0.111 * [backup-simplify]: Simplify 0.5 into 0.5 0.111 * [taylor]: Taking taylor expansion of (* x y) in y 0.111 * [taylor]: Taking taylor expansion of x in y 0.111 * [backup-simplify]: Simplify x into x 0.111 * [taylor]: Taking taylor expansion of y in y 0.111 * [backup-simplify]: Simplify 0 into 0 0.111 * [backup-simplify]: Simplify 1 into 1 0.111 * [backup-simplify]: Simplify (* x 0) into 0 0.111 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.111 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x) 0.111 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.111 * [taylor]: Taking taylor expansion of 0.5 in x 0.111 * [backup-simplify]: Simplify 0.5 into 0.5 0.111 * [taylor]: Taking taylor expansion of (* x y) in x 0.111 * [taylor]: Taking taylor expansion of x in x 0.111 * [backup-simplify]: Simplify 0 into 0 0.111 * [backup-simplify]: Simplify 1 into 1 0.112 * [taylor]: Taking taylor expansion of y in x 0.112 * [backup-simplify]: Simplify y into y 0.112 * [backup-simplify]: Simplify (* 0 y) into 0 0.112 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.112 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.112 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.112 * [taylor]: Taking taylor expansion of 0.5 in x 0.112 * [backup-simplify]: Simplify 0.5 into 0.5 0.112 * [taylor]: Taking taylor expansion of (* x y) in x 0.112 * [taylor]: Taking taylor expansion of x in x 0.112 * [backup-simplify]: Simplify 0 into 0 0.112 * [backup-simplify]: Simplify 1 into 1 0.112 * [taylor]: Taking taylor expansion of y in x 0.112 * [backup-simplify]: Simplify y into y 0.112 * [backup-simplify]: Simplify (* 0 y) into 0 0.112 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.112 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.112 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.112 * [taylor]: Taking taylor expansion of 0.5 in y 0.112 * [backup-simplify]: Simplify 0.5 into 0.5 0.113 * [taylor]: Taking taylor expansion of y in y 0.113 * [backup-simplify]: Simplify 0 into 0 0.113 * [backup-simplify]: Simplify 1 into 1 0.113 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5 0.113 * [backup-simplify]: Simplify 0.5 into 0.5 0.113 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.113 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0 0.114 * [taylor]: Taking taylor expansion of 0 in y 0.114 * [backup-simplify]: Simplify 0 into 0 0.114 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0 0.114 * [backup-simplify]: Simplify 0 into 0 0.115 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.115 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.115 * [taylor]: Taking taylor expansion of 0 in y 0.115 * [backup-simplify]: Simplify 0 into 0 0.115 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.116 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.117 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in y 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.118 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* x y)) 0.118 * * * [progress]: simplifying candidates 0.118 * [simplify]: Simplifying: (expm1 (/ (* x y) 2.0)) (log1p (/ (* x y) 2.0)) (- (+ (log x) (log y)) (log 2.0)) (- (log (* x y)) (log 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (/ (* (* (* x x) x) (* (* y y) y)) (* (* 2.0 2.0) 2.0)) (/ (* (* (* x y) (* x y)) (* x y)) (* (* 2.0 2.0) 2.0)) (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0))) (cbrt (/ (* x y) 2.0)) (* (* (/ (* x y) 2.0) (/ (* x y) 2.0)) (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (- (* x y)) (- 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) (/ x 1) (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (/ (* x y) (* (cbrt 2.0) (cbrt 2.0))) (/ (* x y) (sqrt 2.0)) (/ (* x y) 1) (/ 2.0 y) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 0.119 * * [simplify]: Extracting # 0 : cost 0 0.119 * * [simplify]: Extracting # 1 : cost 0 0.119 * * [simplify]: Extracting # 2 : cost 0 0.119 * * [simplify]: Extracting # 3 : cost 0 0.119 * * [simplify]: Extracting # 4 : cost 0 0.119 * * [simplify]: Extracting # 5 : cost 0 0.119 * * [simplify]: Extracting # 6 : cost 0 0.119 * * [simplify]: iteration 0 : 52 enodes (cost 198 ) 0.141 * * [simplify]: Extracting # 0 : cost 0 0.141 * * [simplify]: Extracting # 1 : cost 0 0.141 * * [simplify]: Extracting # 2 : cost 0 0.142 * * [simplify]: iteration 1 : 117 enodes (cost 191 ) 0.221 * * [simplify]: Extracting # 0 : cost 0 0.222 * * [simplify]: Extracting # 1 : cost 0 0.223 * * [simplify]: Extracting # 2 : cost 0 0.224 * * [simplify]: Extracting # 3 : cost 0 0.225 * * [simplify]: Extracting # 4 : cost 0 0.225 * * [simplify]: iteration 2 : 404 enodes (cost 161 ) 0.776 * * [simplify]: Extracting # 0 : cost 0 0.778 * * [simplify]: Extracting # 1 : cost 0 0.781 * * [simplify]: Extracting # 2 : cost 0 0.783 * * [simplify]: Extracting # 3 : cost 0 0.785 * * [simplify]: Extracting # 4 : cost 0 0.787 * * [simplify]: iteration 3 : 1814 enodes (cost 161 ) 3.856 * * [simplify]: Extracting # 0 : cost 0 3.867 * * [simplify]: Extracting # 1 : cost 0 3.876 * * [simplify]: Extracting # 2 : cost 0 3.885 * * [simplify]: Extracting # 3 : cost 0 3.898 * * [simplify]: Extracting # 4 : cost 0 3.906 * * [simplify]: Extracting # 5 : cost 0 3.914 * * [simplify]: iteration done: 5000 enodes (cost 161 ) 3.914 * [simplify]: Simplified to: (expm1 (/ (* x y) 2.0)) (log1p (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (pow (/ (* x y) 2.0) 3) (pow (/ (* x y) 2.0) 3) (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0))) (cbrt (/ (* x y) 2.0)) (pow (/ (* x y) 2.0) 3) (sqrt (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (- (* x y)) (- 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) x (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (/ (* x y) (* (cbrt 2.0) (cbrt 2.0))) (/ (* x y) (sqrt 2.0)) (* x y) (/ 2.0 y) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 3.915 * * * [progress]: adding candidates to table 3.976 * * [progress]: iteration 2 / 4 3.976 * * * [progress]: picking best candidate 3.978 * * * * [pick]: Picked # 3.978 * * * [progress]: localizing error 3.985 * * * [progress]: generating rewritten candidates 3.985 * * * [progress]: generating series expansions 3.985 * * * [progress]: simplifying candidates 3.985 * [simplify]: Simplifying: 3.985 * * [simplify]: Extracting # 0 : cost 0 3.985 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 3.985 * * [simplify]: Extracting # 0 : cost 0 3.985 * * [simplify]: iteration done: 0 enodes (cost 0 ) 3.985 * [simplify]: Simplified to: 3.985 * * * [progress]: adding candidates to table 3.985 * [progress]: [Phase 3 of 3] Extracting. 3.987 * [simplify]: Simplifying: (* x (/ y 2.0)) 3.987 * * [simplify]: Extracting # 0 : cost 0 3.987 * * [simplify]: Extracting # 1 : cost 0 3.987 * * [simplify]: Extracting # 2 : cost 0 3.987 * * [simplify]: Extracting # 3 : cost 0 3.987 * * [simplify]: Extracting # 4 : cost 0 3.987 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 3.988 * * [simplify]: Extracting # 0 : cost 0 3.988 * * [simplify]: iteration 1 : 6 enodes (cost 5 ) 3.988 * * [simplify]: Extracting # 0 : cost 0 3.988 * * [simplify]: iteration done: 6 enodes (cost 5 ) 3.988 * [simplify]: Simplified to: (* x (/ y 2.0)) 4.693 * [regime-testing]: End program error score: 0