9.698 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.039 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x))
0.045 * * [simplify]: iteration  0 :  29  enodes  (cost  8 )
0.047 * * [simplify]: iteration  1 :  62  enodes  (cost  6 )
0.049 * * [simplify]: iteration  2 :  106  enodes  (cost  6 )
0.051 * * [simplify]: iteration  3 :  130  enodes  (cost  6 )
0.053 * * [simplify]: iteration  4 :  139  enodes  (cost  6 )
0.056 * * [simplify]: iteration  5 :  168  enodes  (cost  6 )
0.059 * * [simplify]: iteration  6 :  257  enodes  (cost  6 )
0.065 * * [simplify]: iteration  7 :  789  enodes  (cost  6 )
0.086 * * [simplify]: iteration  8 :  2459  enodes  (cost  6 )
0.172 * * [simplify]: iteration  9 :  5001  enodes  (cost  6 )
0.172 * [simplify]: Simplified to:
   (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x)))))
0.177 * [progress]: [Phase 3 of 3] Extracting.
0.177 * * [regime]: Finding splitpoints for: (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.178 * * * [regime-changes]: Trying 7 branch expressions: ((+ a0 a1x) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)) a3 x a2 a1x a0)
0.178 * * * * [regimes]: Trying to branch on (+ a0 a1x) from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.233 * * * * [regimes]: Trying to branch on (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)) from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.288 * * * * [regimes]: Trying to branch on a3 from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.342 * * * * [regimes]: Trying to branch on x from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.396 * * * * [regimes]: Trying to branch on a2 from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.450 * * * * [regimes]: Trying to branch on a1x from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.503 * * * * [regimes]: Trying to branch on a0 from (#<alt (λ (a0 a1x a2 x a3) (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x)))> #<alt (λ (a0 a1x a2 x a3) (+ a1x (+ a0 (* (* x x) (+ a2 (* a3 x))))))>)
0.557 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.557 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x))
0.558 * * [simplify]: iteration  0 :  21  enodes  (cost  8 )
0.558 * * [simplify]: iteration  1 :  21  enodes  (cost  8 )
0.559 * [simplify]: Simplified to:
   (+ (+ (+ a0 a1x) (* (* a2 x) x)) (* (* (* a3 x) x) x))
2.220 * [regime-testing]: End program error score: 0.0690110701348486