Error in 10.4s

Runtime

Time bar (total: 10.4s)Debug log

start79.0ms

Algorithm
intervals

setup32.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 1 expressions with local error:

0.0b
(expm1 (* a x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 11
Calls

1 calls. Slowest were:

0.0ms
(expm1 (* a x))

series40.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

39.0ms
(expm1 (* a x))

simplify164.0ms

Counts
4 → 14
Calls

4 calls. Slowest were:

148.0ms
(+ (* 1/2 (* (pow a 2) (pow x 2))) (+ (* a x) (* 1/6 (* (pow a 3) (pow x 3)))))
6.0ms
(- (exp (* a x)) 1)
6.0ms
(- (exp (* a x)) 1)

prune135.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 4 expressions with local error:

11.3b
(cbrt (expm1 (* a x)))
11.3b
(cbrt (expm1 (* a x)))
11.3b
(cbrt (expm1 (* a x)))
0.4b
(* (cbrt (expm1 (* a x))) (cbrt (expm1 (* a x))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

5.0ms
(* (cbrt (expm1 (* a x))) (cbrt (expm1 (* a x))))
2.0ms
(cbrt (expm1 (* a x)))
1.0ms
(cbrt (expm1 (* a x)))

series532.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

148.0ms
(cbrt (expm1 (* a x)))
145.0ms
(cbrt (expm1 (* a x)))
138.0ms
(* (cbrt (expm1 (* a x))) (cbrt (expm1 (* a x))))

simplify1.3s

Counts
41 → 81
Calls

41 calls. Slowest were:

362.0ms
(+ (exp (* 1/3 (+ (* 2 (log a)) (* 2 (log x))))) (+ (* 1/3 (* a (* x (exp (* 1/3 (+ (* 2 (log a)) (* 2 (log x)))))))) (* 1/12 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (* 2 (log a)) (* 2 (log x))))))))))
297.0ms
(+ (* 1/6 (* a (* x (exp (* 1/3 (+ (log a) (log x))))))) (+ (exp (* 1/3 (+ (log a) (log x)))) (* 1/36 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (log a) (log x)))))))))
264.0ms
(+ (* 1/6 (* a (* x (exp (* 1/3 (+ (log a) (log x))))))) (+ (exp (* 1/3 (+ (log a) (log x)))) (* 1/36 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (log a) (log x)))))))))

prune795.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

11.3b
(cbrt (expm1 (* a x)))
11.3b
(cbrt (expm1 (* a x)))
11.3b
(cbrt (expm1 (* a x)))
11.3b
(cbrt (expm1 (* a x)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
4 → 52
Calls

4 calls. Slowest were:

1.0ms
(cbrt (expm1 (* a x)))
1.0ms
(cbrt (expm1 (* a x)))
0.0ms
(cbrt (expm1 (* a x)))

series459.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

138.0ms
(cbrt (expm1 (* a x)))
110.0ms
(cbrt (expm1 (* a x)))
109.0ms
(cbrt (expm1 (* a x)))

simplify1.3s

Counts
24 → 64
Calls

24 calls. Slowest were:

344.0ms
(+ (* 1/6 (* a (* x (exp (* 1/3 (+ (log a) (log x))))))) (+ (exp (* 1/3 (+ (log a) (log x)))) (* 1/36 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (log a) (log x)))))))))
282.0ms
(+ (* 1/6 (* a (* x (exp (* 1/3 (+ (log a) (log x))))))) (+ (exp (* 1/3 (+ (log a) (log x)))) (* 1/36 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (log a) (log x)))))))))
281.0ms
(+ (* 1/6 (* a (* x (exp (* 1/3 (+ (log a) (log x))))))) (+ (exp (* 1/3 (+ (log a) (log x)))) (* 1/36 (* (pow a 2) (* (pow x 2) (exp (* 1/3 (+ (log a) (log x)))))))))

prune680.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes84.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (a x)
  :name "expax (section 3.5)"

  :herbie-target
  (if (< (fabs (* a x)) 1/10) (* (* a x) (+ 1 (+ (/ (* a x) 2) (/ (pow (* a x) 2) 6)))) (- (exp (* a x)) 1))

  (- (exp (* a x)) 1))

Backtrace

partition: contract violation expected: list? given: 0.021481042132474967 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