23.989 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 1.025 * * * [progress]: [2/2] Setting up program. 1.028 * [progress]: [Phase 2 of 3] Improving. 1.028 * [simplify]: Simplifying using # : (- (/ (* x y) 2.0) (/ z 8.0)) 1.030 * * [simplify]: iteration 0 : 14 enodes (cost 4 ) 1.031 * * [simplify]: iteration 1 : 21 enodes (cost 4 ) 1.032 * * [simplify]: iteration 2 : 24 enodes (cost 4 ) 1.033 * * [simplify]: iteration 3 : 25 enodes (cost 4 ) 1.034 * * [simplify]: iteration 4 : 25 enodes (cost 4 ) 1.034 * [simplify]: Simplified to: (- (/ (* x y) 2.0) (/ z 8.0)) 1.034 * * [progress]: iteration 1 / 4 1.034 * * * [progress]: picking best candidate 1.037 * * * * [pick]: Picked # 1.037 * * * [progress]: localizing error 1.043 * * * [progress]: generating rewritten candidates 1.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 1.047 * * * [progress]: generating series expansions 1.047 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 1.048 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0 1.048 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y 1.048 * [taylor]: Taking taylor expansion of 0.5 in y 1.048 * [taylor]: Taking taylor expansion of (* x y) in y 1.048 * [taylor]: Taking taylor expansion of x in y 1.048 * [taylor]: Taking taylor expansion of y in y 1.048 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 1.048 * [taylor]: Taking taylor expansion of 0.5 in x 1.048 * [taylor]: Taking taylor expansion of (* x y) in x 1.048 * [taylor]: Taking taylor expansion of x in x 1.048 * [taylor]: Taking taylor expansion of y in x 1.048 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 1.048 * [taylor]: Taking taylor expansion of 0.5 in x 1.048 * [taylor]: Taking taylor expansion of (* x y) in x 1.048 * [taylor]: Taking taylor expansion of x in x 1.048 * [taylor]: Taking taylor expansion of y in x 1.048 * [taylor]: Taking taylor expansion of 0 in y 1.048 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.048 * [taylor]: Taking taylor expansion of 0.5 in y 1.048 * [taylor]: Taking taylor expansion of y in y 1.048 * [taylor]: Taking taylor expansion of 0 in y 1.048 * [taylor]: Taking taylor expansion of 0 in y 1.048 * [taylor]: Taking taylor expansion of 0 in y 1.049 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 1.049 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 1.049 * [taylor]: Taking taylor expansion of 0.5 in y 1.049 * [taylor]: Taking taylor expansion of (* x y) in y 1.049 * [taylor]: Taking taylor expansion of x in y 1.049 * [taylor]: Taking taylor expansion of y in y 1.049 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 1.049 * [taylor]: Taking taylor expansion of 0.5 in x 1.049 * [taylor]: Taking taylor expansion of (* x y) in x 1.049 * [taylor]: Taking taylor expansion of x in x 1.049 * [taylor]: Taking taylor expansion of y in x 1.049 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 1.049 * [taylor]: Taking taylor expansion of 0.5 in x 1.049 * [taylor]: Taking taylor expansion of (* x y) in x 1.049 * [taylor]: Taking taylor expansion of x in x 1.049 * [taylor]: Taking taylor expansion of y in x 1.049 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 1.049 * [taylor]: Taking taylor expansion of 0.5 in y 1.049 * [taylor]: Taking taylor expansion of y in y 1.049 * [taylor]: Taking taylor expansion of 0 in y 1.049 * [taylor]: Taking taylor expansion of 0 in y 1.049 * [taylor]: Taking taylor expansion of 0 in y 1.050 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 1.050 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 1.050 * [taylor]: Taking taylor expansion of 0.5 in y 1.050 * [taylor]: Taking taylor expansion of (* x y) in y 1.050 * [taylor]: Taking taylor expansion of x in y 1.050 * [taylor]: Taking taylor expansion of y in y 1.050 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 1.050 * [taylor]: Taking taylor expansion of 0.5 in x 1.050 * [taylor]: Taking taylor expansion of (* x y) in x 1.050 * [taylor]: Taking taylor expansion of x in x 1.050 * [taylor]: Taking taylor expansion of y in x 1.050 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 1.050 * [taylor]: Taking taylor expansion of 0.5 in x 1.050 * [taylor]: Taking taylor expansion of (* x y) in x 1.050 * [taylor]: Taking taylor expansion of x in x 1.050 * [taylor]: Taking taylor expansion of y in x 1.050 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 1.050 * [taylor]: Taking taylor expansion of 0.5 in y 1.050 * [taylor]: Taking taylor expansion of y in y 1.050 * [taylor]: Taking taylor expansion of 0 in y 1.050 * [taylor]: Taking taylor expansion of 0 in y 1.051 * [taylor]: Taking taylor expansion of 0 in y 1.051 * * * [progress]: simplifying candidates 1.051 * [simplify]: Simplifying using # : (- (+ (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)) (neg (* x y)) (neg 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)) 1.054 * * [simplify]: iteration 0 : 116 enodes (cost 85 ) 1.056 * * [simplify]: iteration 1 : 536 enodes (cost 70 ) 1.065 * * [simplify]: iteration 2 : 2525 enodes (cost 70 ) 1.105 * * [simplify]: iteration 3 : 5001 enodes (cost 70 ) 1.106 * [simplify]: Simplified to: (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)) (neg (* x y)) (neg 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)) 1.106 * * * [progress]: adding candidates to table 1.129 * [progress]: [Phase 3 of 3] Extracting. 1.133 * [simplify]: Simplifying using # : (- (/ (* x y) 2.0) (/ z 8.0)) 1.134 * * [simplify]: iteration 0 : 10 enodes (cost 4 ) 1.134 * * [simplify]: iteration 1 : 10 enodes (cost 4 ) 1.134 * [simplify]: Simplified to: (- (/ (* x y) 2.0) (/ z 8.0)) 2.872 * [regime-testing]: End program error score: 0.030628828603575447