Error in 21.6s

Runtime

Time bar (total: 21.6s)Debug log

start680.0ms

Algorithm
intervals

setup150.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ (exp x) 1))
0.0b
(+ (exp x) 1)

rewrite16.0ms

Algorithm
rewrite-expression-head
Counts
2 → 31
Calls

2 calls. Slowest were:

8.0ms
(sqrt (+ (exp x) 1))
5.0ms
(+ (exp x) 1)

series56.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

45.0ms
(sqrt (+ (exp x) 1))
11.0ms
(+ (exp x) 1)

simplify400.0ms

Counts
14 → 37
Calls

14 calls. Slowest were:

214.0ms
(- (+ (sqrt 2) (+ (* 1/4 (/ (pow x 2) (sqrt 2))) (* 1/2 (/ x (sqrt 2))))) (* 1/8 (/ (pow x 2) (pow (sqrt 2) 3))))
77.0ms
(sqrt (- (* (exp x) (exp x)) (* 1 1)))
56.0ms
(+ x (+ (* 1/2 (pow x 2)) 2))

prune318.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (cbrt (exp x)) (cbrt (exp x)))
0.0b
(sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))
0.0b
(cbrt (exp x))
0.0b
(cbrt (exp x))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
4 → 70
Calls

4 calls. Slowest were:

5.0ms
(* (cbrt (exp x)) (cbrt (exp x)))
1.0ms
(sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))
1.0ms
(cbrt (exp x))

series817.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

341.0ms
(sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))
183.0ms
(* (cbrt (exp x)) (cbrt (exp x)))
157.0ms
(cbrt (exp x))

simplify520.0ms

Counts
42 → 82
Calls

42 calls. Slowest were:

199.0ms
(- (+ (sqrt 2) (+ (* 1/4 (/ (pow x 2) (sqrt 2))) (* 1/2 (/ x (sqrt 2))))) (* 1/8 (/ (pow x 2) (pow (sqrt 2) 3))))
70.0ms
(+ (* 2/3 x) (+ (* 2/9 (pow x 2)) 1))
60.0ms
(+ (* 1/3 x) (+ (* 1/18 (pow x 2)) 1))

prune839.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(* (sqrt (sqrt (+ (exp x) 1))) (sqrt (sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))))
0.0b
(* (cbrt (exp x)) (cbrt (exp x)))
0.0b
(sqrt (+ (exp x) 1))
0.0b
(sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))

rewrite39.0ms

Algorithm
rewrite-expression-head
Counts
4 → 95
Calls

4 calls. Slowest were:

19.0ms
(* (sqrt (sqrt (+ (exp x) 1))) (sqrt (sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))))
10.0ms
(* (cbrt (exp x)) (cbrt (exp x)))
6.0ms
(sqrt (+ (exp x) 1))

series989.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

476.0ms
(* (sqrt (sqrt (+ (exp x) 1))) (sqrt (sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))))
346.0ms
(sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1))
147.0ms
(* (cbrt (exp x)) (cbrt (exp x)))

simplify2.2s

Counts
66 → 107
Calls

66 calls. Slowest were:

467.0ms
(+ (* 3/32 (* (pow x 2) (pow 4 1/4))) (+ (* 1/4 (* x (pow 4 1/4))) (pow 4 1/4)))
373.0ms
(pow (* (+ (exp x) 1) (+ (* (pow (pow (exp x) 2) 1/3) (exp (* 1/3 x))) 1)) 1/4)
335.0ms
(pow (* (+ (exp x) 1) (+ (* (pow (pow (exp x) 2) 1/3) (exp (* 1/3 x))) 1)) 1/4)

prune1.5s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes28.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x)
  :name "sqrtexp (problem 3.4.4)"
  (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1))))

Backtrace

partition: contract violation expected: list? given: 0.029788987910975197 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