7.973 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: Extracting # 3 : cost  0
0.030 * * [simplify]: Extracting # 4 : cost  0
0.030 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.034 * * [simplify]: Extracting # 1 : cost  0
0.034 * * [simplify]: Extracting # 2 : cost  0
0.034 * * [simplify]: iteration  2 :  25  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: Extracting # 3 : cost  0
0.043 * * [simplify]: iteration  3 :  38  enodes  (cost  7 )
0.064 * * [simplify]: Extracting # 0 : cost  0
0.064 * * [simplify]: Extracting # 1 : cost  0
0.064 * * [simplify]: Extracting # 2 : cost  0
0.064 * * [simplify]: iteration  4 :  49  enodes  (cost  7 )
0.080 * * [simplify]: Extracting # 0 : cost  0
0.080 * * [simplify]: Extracting # 1 : cost  0
0.081 * * [simplify]: Extracting # 2 : cost  0
0.081 * * [simplify]: iteration  5 :  71  enodes  (cost  7 )
0.102 * * [simplify]: Extracting # 0 : cost  0
0.102 * * [simplify]: Extracting # 1 : cost  0
0.102 * * [simplify]: Extracting # 2 : cost  0
0.102 * * [simplify]: iteration  6 :  273  enodes  (cost  7 )
0.191 * * [simplify]: Extracting # 0 : cost  0
0.192 * * [simplify]: Extracting # 1 : cost  0
0.193 * * [simplify]: Extracting # 2 : cost  0
0.193 * * [simplify]: iteration  7 :  919  enodes  (cost  7 )
1.568 * * [simplify]: Extracting # 0 : cost  0
1.574 * * [simplify]: Extracting # 1 : cost  0
1.582 * * [simplify]: Extracting # 2 : cost  0
1.590 * * [simplify]: iteration  8 :  4694  enodes  (cost  7 )
5.129 * * [simplify]: Extracting # 0 : cost  0
5.134 * * [simplify]: Extracting # 1 : cost  0
5.138 * * [simplify]: Extracting # 2 : cost  0
5.143 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
5.143 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
5.143 * * [progress]: iteration 1 / 4
5.143 * * * [progress]: picking best candidate
5.145 * * * * [pick]: Picked  #<alt (λ (x y) (- (+ x y) (* x y)))>
5.145 * * * [progress]: localizing error
5.158 * * * [progress]: generating rewritten candidates
5.158 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.206 * * * [progress]: generating series expansions
5.207 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.207 * [backup-simplify]: Simplify (- (+ x y) (* x y)) into (- (+ x y) (* x y))
5.207 * [approximate]: Taking taylor expansion of (- (+ x y) (* x y)) in (x y) around 0
5.207 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in y
5.207 * [taylor]: Taking taylor expansion of (+ x y) in y
5.207 * [taylor]: Taking taylor expansion of x in y
5.207 * [backup-simplify]: Simplify x into x
5.207 * [taylor]: Taking taylor expansion of y in y
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of (* x y) in y
5.207 * [taylor]: Taking taylor expansion of x in y
5.207 * [backup-simplify]: Simplify x into x
5.207 * [taylor]: Taking taylor expansion of y in y
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
5.207 * [taylor]: Taking taylor expansion of (+ x y) in x
5.207 * [taylor]: Taking taylor expansion of x in x
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of y in x
5.207 * [backup-simplify]: Simplify y into y
5.207 * [taylor]: Taking taylor expansion of (* x y) in x
5.207 * [taylor]: Taking taylor expansion of x in x
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of y in x
5.207 * [backup-simplify]: Simplify y into y
5.207 * [taylor]: Taking taylor expansion of (- (+ x y) (* x y)) in x
5.207 * [taylor]: Taking taylor expansion of (+ x y) in x
5.207 * [taylor]: Taking taylor expansion of x in x
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of y in x
5.207 * [backup-simplify]: Simplify y into y
5.207 * [taylor]: Taking taylor expansion of (* x y) in x
5.207 * [taylor]: Taking taylor expansion of x in x
5.207 * [backup-simplify]: Simplify 0 into 0
5.207 * [backup-simplify]: Simplify 1 into 1
5.207 * [taylor]: Taking taylor expansion of y in x
5.207 * [backup-simplify]: Simplify y into y
5.207 * [backup-simplify]: Simplify (+ 0 y) into y
5.207 * [backup-simplify]: Simplify (* 0 y) into 0
5.208 * [backup-simplify]: Simplify (- 0) into 0
5.208 * [backup-simplify]: Simplify (+ y 0) into y
5.208 * [taylor]: Taking taylor expansion of y in y
5.208 * [backup-simplify]: Simplify 0 into 0
5.208 * [backup-simplify]: Simplify 1 into 1
5.208 * [backup-simplify]: Simplify 0 into 0
5.208 * [backup-simplify]: Simplify (+ 1 0) into 1
5.209 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.209 * [backup-simplify]: Simplify (- y) into (- y)
5.209 * [backup-simplify]: Simplify (+ 1 (- y)) into (- 1 y)
5.209 * [taylor]: Taking taylor expansion of (- 1 y) in y
5.209 * [taylor]: Taking taylor expansion of 1 in y
5.209 * [backup-simplify]: Simplify 1 into 1
5.209 * [taylor]: Taking taylor expansion of y in y
5.209 * [backup-simplify]: Simplify 0 into 0
5.209 * [backup-simplify]: Simplify 1 into 1
5.209 * [backup-simplify]: Simplify (- 0) into 0
5.210 * [backup-simplify]: Simplify (+ 1 0) into 1
5.210 * [backup-simplify]: Simplify 1 into 1
5.210 * [backup-simplify]: Simplify 1 into 1
5.210 * [backup-simplify]: Simplify (+ 0 0) into 0
5.211 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.211 * [backup-simplify]: Simplify (- 0) into 0
5.212 * [backup-simplify]: Simplify (+ 0 0) into 0
5.212 * [taylor]: Taking taylor expansion of 0 in y
5.212 * [backup-simplify]: Simplify 0 into 0
5.212 * [backup-simplify]: Simplify 0 into 0
5.212 * [backup-simplify]: Simplify (- 1) into -1
5.213 * [backup-simplify]: Simplify (+ 0 -1) into -1
5.213 * [backup-simplify]: Simplify -1 into -1
5.213 * [backup-simplify]: Simplify (+ (* -1 (* y x)) (+ (* 1 (* y 1)) (* 1 (* 1 x)))) into (- (+ x y) (* x y))
5.213 * [backup-simplify]: Simplify (- (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) (/ 1 y))) into (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y)))
5.213 * [approximate]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in (x y) around 0
5.213 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in y
5.213 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
5.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.213 * [taylor]: Taking taylor expansion of y in y
5.213 * [backup-simplify]: Simplify 0 into 0
5.213 * [backup-simplify]: Simplify 1 into 1
5.214 * [backup-simplify]: Simplify (/ 1 1) into 1
5.214 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.214 * [taylor]: Taking taylor expansion of x in y
5.214 * [backup-simplify]: Simplify x into x
5.214 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.214 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
5.214 * [taylor]: Taking taylor expansion of (* x y) in y
5.214 * [taylor]: Taking taylor expansion of x in y
5.214 * [backup-simplify]: Simplify x into x
5.214 * [taylor]: Taking taylor expansion of y in y
5.214 * [backup-simplify]: Simplify 0 into 0
5.214 * [backup-simplify]: Simplify 1 into 1
5.214 * [backup-simplify]: Simplify (* x 0) into 0
5.215 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
5.215 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.215 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
5.215 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.215 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.215 * [taylor]: Taking taylor expansion of y in x
5.215 * [backup-simplify]: Simplify y into y
5.215 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.215 * [taylor]: Taking taylor expansion of x in x
5.215 * [backup-simplify]: Simplify 0 into 0
5.215 * [backup-simplify]: Simplify 1 into 1
5.215 * [backup-simplify]: Simplify (/ 1 1) into 1
5.215 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.215 * [taylor]: Taking taylor expansion of (* x y) in x
5.215 * [taylor]: Taking taylor expansion of x in x
5.216 * [backup-simplify]: Simplify 0 into 0
5.216 * [backup-simplify]: Simplify 1 into 1
5.216 * [taylor]: Taking taylor expansion of y in x
5.216 * [backup-simplify]: Simplify y into y
5.216 * [backup-simplify]: Simplify (* 0 y) into 0
5.216 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.216 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.216 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x)) (/ 1 (* x y))) in x
5.216 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.216 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.216 * [taylor]: Taking taylor expansion of y in x
5.216 * [backup-simplify]: Simplify y into y
5.216 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.216 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.216 * [taylor]: Taking taylor expansion of x in x
5.216 * [backup-simplify]: Simplify 0 into 0
5.216 * [backup-simplify]: Simplify 1 into 1
5.217 * [backup-simplify]: Simplify (/ 1 1) into 1
5.217 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.217 * [taylor]: Taking taylor expansion of (* x y) in x
5.217 * [taylor]: Taking taylor expansion of x in x
5.217 * [backup-simplify]: Simplify 0 into 0
5.217 * [backup-simplify]: Simplify 1 into 1
5.217 * [taylor]: Taking taylor expansion of y in x
5.217 * [backup-simplify]: Simplify y into y
5.217 * [backup-simplify]: Simplify (* 0 y) into 0
5.217 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.218 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.218 * [backup-simplify]: Simplify (+ 0 1) into 1
5.218 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
5.218 * [backup-simplify]: Simplify (+ 1 (- (/ 1 y))) into (- 1 (/ 1 y))
5.218 * [taylor]: Taking taylor expansion of (- 1 (/ 1 y)) in y
5.218 * [taylor]: Taking taylor expansion of 1 in y
5.218 * [backup-simplify]: Simplify 1 into 1
5.218 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.218 * [taylor]: Taking taylor expansion of y in y
5.218 * [backup-simplify]: Simplify 0 into 0
5.218 * [backup-simplify]: Simplify 1 into 1
5.219 * [backup-simplify]: Simplify (/ 1 1) into 1
5.219 * [backup-simplify]: Simplify (- 1) into -1
5.220 * [backup-simplify]: Simplify (+ 0 -1) into -1
5.220 * [backup-simplify]: Simplify -1 into -1
5.220 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.220 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.221 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.221 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.222 * [backup-simplify]: Simplify (- 0) into 0
5.222 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.222 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.222 * [taylor]: Taking taylor expansion of y in y
5.222 * [backup-simplify]: Simplify 0 into 0
5.222 * [backup-simplify]: Simplify 1 into 1
5.222 * [backup-simplify]: Simplify (/ 1 1) into 1
5.222 * [backup-simplify]: Simplify 1 into 1
5.223 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.223 * [backup-simplify]: Simplify (- 0) into 0
5.224 * [backup-simplify]: Simplify (+ 1 0) into 1
5.224 * [backup-simplify]: Simplify 1 into 1
5.224 * [backup-simplify]: Simplify (+ (* 1 (* 1 (/ 1 (/ 1 x)))) (+ (* 1 (* (/ 1 (/ 1 y)) 1)) (* -1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) into (- (+ x y) (* x y))
5.225 * [backup-simplify]: Simplify (- (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) (/ 1 (- y)))) into (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))))
5.225 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
5.225 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in y
5.225 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in y
5.225 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
5.225 * [taylor]: Taking taylor expansion of (* x y) in y
5.225 * [taylor]: Taking taylor expansion of x in y
5.225 * [backup-simplify]: Simplify x into x
5.225 * [taylor]: Taking taylor expansion of y in y
5.225 * [backup-simplify]: Simplify 0 into 0
5.225 * [backup-simplify]: Simplify 1 into 1
5.225 * [backup-simplify]: Simplify (* x 0) into 0
5.226 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
5.226 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.226 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
5.226 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.226 * [taylor]: Taking taylor expansion of y in y
5.226 * [backup-simplify]: Simplify 0 into 0
5.226 * [backup-simplify]: Simplify 1 into 1
5.226 * [backup-simplify]: Simplify (/ 1 1) into 1
5.226 * [taylor]: Taking taylor expansion of (/ 1 x) in y
5.226 * [taylor]: Taking taylor expansion of x in y
5.226 * [backup-simplify]: Simplify x into x
5.226 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
5.226 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
5.226 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
5.226 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.226 * [taylor]: Taking taylor expansion of (* x y) in x
5.226 * [taylor]: Taking taylor expansion of x in x
5.227 * [backup-simplify]: Simplify 0 into 0
5.227 * [backup-simplify]: Simplify 1 into 1
5.227 * [taylor]: Taking taylor expansion of y in x
5.227 * [backup-simplify]: Simplify y into y
5.227 * [backup-simplify]: Simplify (* 0 y) into 0
5.227 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.227 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.227 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.227 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.227 * [taylor]: Taking taylor expansion of y in x
5.227 * [backup-simplify]: Simplify y into y
5.227 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.227 * [taylor]: Taking taylor expansion of x in x
5.227 * [backup-simplify]: Simplify 0 into 0
5.227 * [backup-simplify]: Simplify 1 into 1
5.228 * [backup-simplify]: Simplify (/ 1 1) into 1
5.228 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x)))) in x
5.228 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (/ 1 y) (/ 1 x))) in x
5.228 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
5.228 * [taylor]: Taking taylor expansion of (* x y) in x
5.228 * [taylor]: Taking taylor expansion of x in x
5.228 * [backup-simplify]: Simplify 0 into 0
5.228 * [backup-simplify]: Simplify 1 into 1
5.228 * [taylor]: Taking taylor expansion of y in x
5.228 * [backup-simplify]: Simplify y into y
5.228 * [backup-simplify]: Simplify (* 0 y) into 0
5.229 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
5.229 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.229 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
5.229 * [taylor]: Taking taylor expansion of (/ 1 y) in x
5.229 * [taylor]: Taking taylor expansion of y in x
5.229 * [backup-simplify]: Simplify y into y
5.229 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
5.229 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.229 * [taylor]: Taking taylor expansion of x in x
5.229 * [backup-simplify]: Simplify 0 into 0
5.229 * [backup-simplify]: Simplify 1 into 1
5.229 * [backup-simplify]: Simplify (/ 1 1) into 1
5.230 * [backup-simplify]: Simplify (+ 0 1) into 1
5.230 * [backup-simplify]: Simplify (+ (/ 1 y) 1) into (+ (/ 1 y) 1)
5.230 * [backup-simplify]: Simplify (- (+ (/ 1 y) 1)) into (- (+ (/ 1 y) 1))
5.230 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) 1)) in y
5.230 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1) in y
5.230 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.230 * [taylor]: Taking taylor expansion of y in y
5.230 * [backup-simplify]: Simplify 0 into 0
5.230 * [backup-simplify]: Simplify 1 into 1
5.231 * [backup-simplify]: Simplify (/ 1 1) into 1
5.231 * [taylor]: Taking taylor expansion of 1 in y
5.231 * [backup-simplify]: Simplify 1 into 1
5.231 * [backup-simplify]: Simplify (+ 1 0) into 1
5.232 * [backup-simplify]: Simplify (- 1) into -1
5.232 * [backup-simplify]: Simplify -1 into -1
5.232 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
5.233 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
5.233 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.233 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
5.234 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
5.234 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
5.234 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
5.234 * [taylor]: Taking taylor expansion of (/ 1 y) in y
5.234 * [taylor]: Taking taylor expansion of y in y
5.234 * [backup-simplify]: Simplify 0 into 0
5.234 * [backup-simplify]: Simplify 1 into 1
5.234 * [backup-simplify]: Simplify (/ 1 1) into 1
5.234 * [backup-simplify]: Simplify (- 1) into -1
5.235 * [backup-simplify]: Simplify -1 into -1
5.235 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
5.236 * [backup-simplify]: Simplify (+ 0 1) into 1
5.236 * [backup-simplify]: Simplify (- 1) into -1
5.236 * [backup-simplify]: Simplify -1 into -1
5.237 * [backup-simplify]: Simplify (+ (* -1 (* 1 (/ 1 (/ 1 (- x))))) (+ (* -1 (* (/ 1 (/ 1 (- y))) 1)) (* -1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) into (- (+ x y) (* x y))
5.237 * * * [progress]: simplifying candidates
5.237 * [simplify]: Simplifying:
  (/ (* (exp x) (exp y)) (exp (* x y)))
  (/ (exp (+ x y)) (exp (* x y)))
  (log (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (* (cbrt (- (+ x y) (* x y))) (cbrt (- (+ x y) (* x y))))
  (cbrt (- (+ x y) (* x y)))
  (* (* (- (+ x y) (* x y)) (- (+ x y) (* x y))) (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (- (pow (+ x y) 3) (pow (* x y) 3))
  (+ (* (+ x y) (+ x y)) (+ (* (* x y) (* x y)) (* (+ x y) (* x y))))
  (- (* x y))
  (- (* (+ x y) (+ x y)) (* (* x y) (* x y)))
  (+ (+ x y) (* x y))
  (- y (* x y))
  (- (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
5.238 * * [simplify]: Extracting # 0 : cost  0
5.238 * * [simplify]: Extracting # 1 : cost  0
5.238 * * [simplify]: Extracting # 2 : cost  0
5.238 * * [simplify]: Extracting # 3 : cost  0
5.238 * * [simplify]: Extracting # 4 : cost  0
5.239 * * [simplify]: Extracting # 5 : cost  0
5.239 * * [simplify]: Extracting # 6 : cost  0
5.239 * * [simplify]: iteration  0 :  32  enodes  (cost  189 )
5.252 * * [simplify]: Extracting # 0 : cost  0
5.253 * * [simplify]: Extracting # 1 : cost  0
5.253 * * [simplify]: Extracting # 2 : cost  0
5.253 * * [simplify]: Extracting # 3 : cost  0
5.253 * * [simplify]: iteration  1 :  88  enodes  (cost  182 )
5.286 * * [simplify]: Extracting # 0 : cost  0
5.286 * * [simplify]: Extracting # 1 : cost  0
5.286 * * [simplify]: Extracting # 2 : cost  0
5.287 * * [simplify]: Extracting # 3 : cost  0
5.287 * * [simplify]: Extracting # 4 : cost  0
5.287 * * [simplify]: Extracting # 5 : cost  0
5.287 * * [simplify]: iteration  2 :  314  enodes  (cost  168 )
5.491 * * [simplify]: Extracting # 0 : cost  0
5.493 * * [simplify]: Extracting # 1 : cost  0
5.494 * * [simplify]: Extracting # 2 : cost  0
5.496 * * [simplify]: Extracting # 3 : cost  0
5.497 * * [simplify]: Extracting # 4 : cost  0
5.498 * * [simplify]: iteration  3 :  1416  enodes  (cost  168 )
6.084 * * [simplify]: Extracting # 0 : cost  0
6.092 * * [simplify]: Extracting # 1 : cost  0
6.100 * * [simplify]: Extracting # 2 : cost  0
6.110 * * [simplify]: Extracting # 3 : cost  0
6.116 * * [simplify]: Extracting # 4 : cost  0
6.125 * * [simplify]: iteration done:  5001  enodes  (cost  168 )
6.126 * [simplify]: Simplified to:
  (exp (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (log (- (+ x y) (* x y)))
  (exp (- (+ x y) (* x y)))
  (* (cbrt (- (+ x y) (* x y))) (cbrt (- (+ x y) (* x y))))
  (cbrt (- (+ x y) (* x y)))
  (pow (- (+ x y) (* x y)) 3)
  (sqrt (- (+ x y) (* x y)))
  (sqrt (- (+ x y) (* x y)))
  (- (pow (+ x y) 3) (pow (* x y) 3))
  (+ (* (+ x y) (+ x y)) (* (* x y) (+ (+ x y) (* x y))))
  (- (* x y))
  (- (* (+ x y) (+ x y)) (* (* x y) (* x y)))
  (+ (+ x y) (* x y))
  (- y (* x y))
  (- (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
  (- (+ x y) (* x y))
6.126 * * * [progress]: adding candidates to table
6.170 * [progress]: [Phase 3 of 3] Extracting.
6.172 * [simplify]: Simplifying:
  (- (+ x y) (* x y))
6.172 * * [simplify]: Extracting # 0 : cost  0
6.172 * * [simplify]: Extracting # 1 : cost  0
6.172 * * [simplify]: Extracting # 2 : cost  0
6.172 * * [simplify]: Extracting # 3 : cost  0
6.172 * * [simplify]: Extracting # 4 : cost  0
6.172 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
6.173 * * [simplify]: Extracting # 0 : cost  0
6.173 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
6.173 * * [simplify]: Extracting # 0 : cost  0
6.173 * * [simplify]: iteration done:  7  enodes  (cost  7 )
6.173 * [simplify]: Simplified to:
  (- (+ x y) (* x y))
6.898 * [regime-testing]: Baseline error score: 0.009074254594414447
6.901 * [regime-testing]: Oracle error score: 0.009074254594414447
6.901 * [regime-testing]: End program error score: 0.009074254594414447