9.985 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.045 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.049 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt))
0.053 * * [simplify]: iteration  0 :  36  enodes  (cost  10 )
0.054 * * [simplify]: iteration  1 :  69  enodes  (cost  9 )
0.056 * * [simplify]: iteration  2 :  153  enodes  (cost  9 )
0.059 * * [simplify]: iteration  3 :  449  enodes  (cost  9 )
0.066 * * [simplify]: iteration  4 :  955  enodes  (cost  9 )
0.077 * * [simplify]: iteration  5 :  1398  enodes  (cost  9 )
0.093 * * [simplify]: iteration  6 :  1662  enodes  (cost  9 )
0.114 * * [simplify]: iteration  7 :  2002  enodes  (cost  9 )
0.140 * * [simplify]: iteration  8 :  2556  enodes  (cost  9 )
0.194 * * [simplify]: iteration  9 :  3645  enodes  (cost  9 )
0.240 * * [simplify]: iteration  10 :  5001  enodes  (cost  9 )
0.240 * [simplify]: Simplified to:
   (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x)
0.245 * [progress]: [Phase 3 of 3] Extracting.
0.245 * * [regime]: Finding splitpoints for: (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.246 * * * [regime-changes]: Trying 9 branch expressions: ((* a_prev (/ 1.0 6.0)) (* a (/ 2.0 3.0)) (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)) a_prev a dt v x)
0.246 * * * * [regimes]: Trying to branch on (* a_prev (/ 1.0 6.0)) from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.303 * * * * [regimes]: Trying to branch on (* a (/ 2.0 3.0)) from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.359 * * * * [regimes]: Trying to branch on (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.415 * * * * [regimes]: Trying to branch on (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)) from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.473 * * * * [regimes]: Trying to branch on a_prev from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.528 * * * * [regimes]: Trying to branch on a from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.581 * * * * [regimes]: Trying to branch on dt from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.635 * * * * [regimes]: Trying to branch on v from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.688 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x v dt a a_prev) (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt)))> #<alt (λ (x v dt a a_prev) (+ (* dt (+ v (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt))) x))>)
0.743 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.743 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt))
0.744 * * [simplify]: iteration  0 :  26  enodes  (cost  10 )
0.744 * * [simplify]: iteration  1 :  26  enodes  (cost  10 )
0.744 * [simplify]: Simplified to:
   (+ (+ x (* v dt)) (* (* (- (* a (/ 2.0 3.0)) (* a_prev (/ 1.0 6.0))) dt) dt))
2.530 * [regime-testing]: End program error score: 0.12253424267619473