Error in 23.8s

Runtime

Time bar (total: 23.8s)Debug logProfile

start89.0ms

Algorithm
intervals

setup23.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.8b

localize23.0ms

Local error

Found 3 expressions with local error:

3.3b
(- (cbrt (+ 1 x)) (cbrt x))
0.6b
(cbrt x)
0.3b
(cbrt (+ 1 x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
3 → 66
Calls

3 calls. Slowest were:

8.0ms
(- (cbrt (+ 1 x)) (cbrt x))
1.0ms
(cbrt (+ 1 x))
0.0ms
(cbrt x)

series460.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

297.0ms
(cbrt x)
111.0ms
(- (cbrt (+ 1 x)) (cbrt x))
52.0ms
(cbrt (+ 1 x))

simplify2.1s

Counts
61 → 75
Calls

61 calls. Slowest were:

468.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
337.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
258.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))

prune894.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 14.5b

localize16.0ms

Local error

Found 4 expressions with local error:

3.3b
(- (cbrt (+ 1 x)) (cbrt x))
3.3b
(- (cbrt (+ 1 x)) (cbrt x))
3.3b
(- (cbrt (+ 1 x)) (cbrt x))
0.6b
(cbrt x)

rewrite42.0ms

Algorithm
rewrite-expression-head
Counts
4 → 133
Calls

4 calls. Slowest were:

13.0ms
(- (cbrt (+ 1 x)) (cbrt x))
13.0ms
(- (cbrt (+ 1 x)) (cbrt x))
12.0ms
(- (cbrt (+ 1 x)) (cbrt x))

series713.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

365.0ms
(cbrt x)
131.0ms
(- (cbrt (+ 1 x)) (cbrt x))
112.0ms
(- (cbrt (+ 1 x)) (cbrt x))

simplify4.9s

Counts
153 → 145
Calls

153 calls. Slowest were:

474.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
409.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))
407.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (+ (* (pow (* x -1) 1/3) (cbrt -1)) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2)))))

prune2.0s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 14.5b

localize30.0ms

Local error

Found 4 expressions with local error:

30.9b
(fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))
0.6b
(cbrt x)
0.3b
(cbrt (+ 1 x))
0.3b
(cbrt (+ 1 x))

rewrite4.0ms

Algorithm
rewrite-expression-head
Counts
4 → 50
Calls

4 calls. Slowest were:

1.0ms
(cbrt (+ 1 x))
1.0ms
(cbrt (+ 1 x))
0.0ms
(cbrt x)

series500.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

279.0ms
(cbrt x)
128.0ms
(fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))
52.0ms
(cbrt (+ 1 x))

simplify2.2s

Counts
22 → 62
Calls

22 calls. Slowest were:

645.0ms
(- (+ (* 1/3 (pow (/ 1 (pow x 2)) 1/3)) (pow x 1/3)) (+ (pow (/ 1 x) -1/3) (* 1/9 (pow (/ 1 (pow x 5)) 1/3))))
419.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
296.0ms
(- (+ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (* 1/3 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) x))) (* 1/9 (/ (exp (* 1/3 (- (log -1) (log (/ -1 x))))) (pow x 2))))

prune873.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 14.5b

localize8.0ms

Local error

Found 4 expressions with local error:

30.9b
(fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))
8.9b
(log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x))))
0.6b
(cbrt x)
0.4b
(exp (log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Counts
4 → 51
Calls

4 calls. Slowest were:

2.0ms
(exp (log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))))
1.0ms
(log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x))))
0.0ms
(fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))

series681.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

294.0ms
(cbrt x)
134.0ms
(exp (log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x)))))
127.0ms
(log (fma (cbrt (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (cbrt (+ 1 x))) (- (cbrt x))))

simplify2.6s

Counts
24 → 63
Calls

24 calls. Slowest were:

529.0ms
(- (+ (log (- (pow x 1/3) (pow (/ 1 x) -1/3))) (* 1/3 (* (pow (/ 1 (pow x 2)) 1/3) (/ 1 (- (pow x 1/3) (pow (/ 1 x) -1/3)))))) (+ (* 1/18 (* (pow (/ 1 (pow x 4)) 1/3) (/ 1 (pow (- (pow x 1/3) (pow (/ 1 x) -1/3)) 2)))) (* 1/9 (* (pow (/ 1 (pow x 5)) 1/3) (/ 1 (- (pow x 1/3) (pow (/ 1 x) -1/3)))))))
350.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))
342.0ms
(- (+ (* 1/3 x) 1) (+ (* 1/9 (pow x 2)) (pow x 1/3)))

prune1.0s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 14.5b

regimes104.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (x)
  :name "2cbrt (problem 3.3.4)"
  (- (cbrt (+ x 1)) (cbrt x)))

Backtrace

partition: contract violation expected: list? given: 15.754475945890094 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128