7.096 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.041 * * * [progress]: [2/2] Setting up program.
0.045 * [progress]: [Phase 2 of 3] Improving.
0.045 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0)))
0.047 * * [simplify]: iteration  0 :  34  enodes  (cost  9 )
0.048 * * [simplify]: iteration  1 :  75  enodes  (cost  9 )
0.050 * * [simplify]: iteration  2 :  216  enodes  (cost  9 )
0.054 * * [simplify]: iteration  3 :  588  enodes  (cost  9 )
0.062 * * [simplify]: iteration  4 :  1351  enodes  (cost  9 )
0.084 * * [simplify]: iteration  5 :  2507  enodes  (cost  9 )
0.114 * * [simplify]: iteration  6 :  3075  enodes  (cost  9 )
0.154 * * [simplify]: iteration  7 :  3406  enodes  (cost  8 )
0.198 * * [simplify]: iteration  8 :  4023  enodes  (cost  8 )
0.254 * * [simplify]: iteration  9 :  5002  enodes  (cost  8 )
0.255 * [simplify]: Simplified to:
   (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x)
0.260 * [progress]: [Phase 3 of 3] Extracting.
0.260 * * [regime]: Finding splitpoints for: (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.260 * * * [regime-changes]: Trying 8 branch expressions: ((* a 4.0) (- (* a 4.0) aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))) aprev a dt v x)
0.260 * * * * [regimes]: Trying to branch on (* a 4.0) from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.316 * * * * [regimes]: Trying to branch on (- (* a 4.0) aprev) from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.369 * * * * [regimes]: Trying to branch on (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))) from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.426 * * * * [regimes]: Trying to branch on aprev from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.481 * * * * [regimes]: Trying to branch on a from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.534 * * * * [regimes]: Trying to branch on dt from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.589 * * * * [regimes]: Trying to branch on v from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.642 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x v dt a aprev) (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0))))> #<alt (λ (x v dt a aprev) (+ (* dt (+ (* (- (* a 4.0) aprev) (* dt (/ 1.0 6.0))) v)) x))>)
0.697 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.697 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0)))
0.698 * * [simplify]: iteration  0 :  24  enodes  (cost  9 )
0.698 * * [simplify]: iteration  1 :  24  enodes  (cost  9 )
0.698 * [simplify]: Simplified to:
   (+ (+ x (* v dt)) (* (* (* (- (* a 4.0) aprev) dt) dt) (/ 1.0 6.0)))
2.413 * [regime-testing]: End program error score: 0.17889716940027628