Error in 28.5s

Runtime

Time bar (total: 28.5s)Debug logProfile

start187.0ms

Algorithm
intervals

setup22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.0b

localize17.0ms

Local error

Found 2 expressions with local error:

3.2b
(- (exp x) 1)
0.5b
(/ (exp x) (- (exp x) 1))

rewrite17.0ms

Algorithm
rewrite-expression-head
Counts
2 → 45
Calls

2 calls. Slowest were:

11.0ms
(/ (exp x) (- (exp x) 1))
6.0ms
(- (exp x) 1)

series79.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

60.0ms
(/ (exp x) (- (exp x) 1))
19.0ms
(- (exp x) 1)

simplify604.0ms

Counts
41 → 51
Calls

41 calls. Slowest were:

277.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (- (exp x) 1) (- (exp x) 1)) (- (exp x) 1)))
93.0ms
(+ x (+ (* 1/6 (pow x 3)) (* 1/2 (pow x 2))))
28.0ms
(+ (* (exp x) (exp x)) (+ (* 1 1) (* (exp x) 1)))

prune484.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.4b

localize21.0ms

Local error

Found 2 expressions with local error:

0.4b
(* 1/12 x)
0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))

rewrite14.0ms

Algorithm
rewrite-expression-head
Counts
2 → 20
Calls

2 calls. Slowest were:

13.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.0ms
(* 1/12 x)

series26.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

16.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
10.0ms
(* 1/12 x)

simplify59.0ms

Counts
7 → 26
Calls

7 calls. Slowest were:

25.0ms
(* (exp (* 1/12 x)) (exp (+ (/ 1 x) 1/2)))
12.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
9.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))

prune288.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.4b

localize35.0ms

Local error

Found 4 expressions with local error:

3.2b
(- (* (exp x) (exp x)) (* 1 1))
0.5b
(/ (exp x) (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1)))
0.4b
(/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1))
0.0b
(* (exp x) (exp x))

rewrite65.0ms

Algorithm
rewrite-expression-head
Counts
4 → 159
Calls

4 calls. Slowest were:

25.0ms
(/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1))
19.0ms
(/ (exp x) (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1)))
10.0ms
(- (* (exp x) (exp x)) (* 1 1))

series115.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

47.0ms
(/ (exp x) (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1)))
31.0ms
(/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1))
27.0ms
(- (* (exp x) (exp x)) (* 1 1))

simplify15.5s

Counts
196 → 171
Calls

196 calls. Slowest were:

855.0ms
(/ 1 (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (pow (exp x) 3) (pow 1 3))))
623.0ms
(/ (* (* (- (* (exp x) (exp x)) (* 1 1)) (- (* (exp x) (exp x)) (* 1 1))) (- (* (exp x) (exp x)) (* 1 1))) (* (* (+ (exp x) 1) (+ (exp x) 1)) (+ (exp x) 1)))
615.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1)) (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1))) (/ (- (* (exp x) (exp x)) (* 1 1)) (+ (exp x) 1))))

prune1.8s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 4 expressions with local error:

3.2b
(- (exp x) 1)
3.2b
(- (exp x) 1)
3.2b
(- (exp x) 1)
0.5b
(/ (exp x) (- (exp x) 1))

rewrite20.0ms

Algorithm
rewrite-expression-head
Counts
4 → 69
Calls

4 calls. Slowest were:

10.0ms
(/ (exp x) (- (exp x) 1))
3.0ms
(- (exp x) 1)
3.0ms
(- (exp x) 1)

series78.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

25.0ms
(/ (exp x) (- (exp x) 1))
19.0ms
(- (exp x) 1)
18.0ms
(- (exp x) 1)

simplify1.2s

Counts
49 → 81
Calls

49 calls. Slowest were:

677.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (- (exp x) 1) (- (exp x) 1)) (- (exp x) 1)))
108.0ms
(+ x (+ (* 1/6 (pow x 3)) (* 1/2 (pow x 2))))
85.0ms
(+ x (+ (* 1/6 (pow x 3)) (* 1/2 (pow x 2))))

prune830.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.4b

regimes153.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 
(FPCore (x)
  :name "expq2 (section 3.11)"

  :herbie-target
  (/ 1 (- 1 (exp (- x))))

  (/ (exp x) (- (exp x) 1)))

Backtrace

partition: contract violation expected: list? given: 0.5766252764686377 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