Error in 12.6s

Runtime

Time bar (total: 12.6s)Debug logProfile

start53.0ms

Algorithm
intervals

setup19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.3b

localize14.0ms

Local error

Found 1 expressions with local error:

14.3b
(/ x (fma x x 1))

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 15
Calls

1 calls. Slowest were:

1.0ms
(/ x (fma x x 1))

series53.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

53.0ms
(/ x (fma x x 1))

simplify86.0ms

Counts
6 → 18
Calls

6 calls. Slowest were:

30.0ms
(- (+ (/ 1 (pow x 5)) (/ 1 x)) (/ 1 (pow x 3)))
28.0ms
(- (+ (/ 1 (pow x 5)) (/ 1 x)) (/ 1 (pow x 3)))
22.0ms
(- (+ x (pow x 5)) (pow x 3))

prune157.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize26.0ms

Local error

Found 3 expressions with local error:

18.7b
(- (+ (/ 1 (pow x 5)) (/ 1 x)) (/ 1 (pow x 3)))
0.5b
(/ 1 (pow x 3))
0.4b
(/ 1 (pow x 5))

rewrite60.0ms

Algorithm
rewrite-expression-head
Counts
3 → 105
Calls

3 calls. Slowest were:

50.0ms
(- (+ (/ 1 (pow x 5)) (/ 1 x)) (/ 1 (pow x 3)))
6.0ms
(/ 1 (pow x 5))
1.0ms
(/ 1 (pow x 3))

series83.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

30.0ms
(/ 1 (pow x 5))
28.0ms
(- (+ (/ 1 (pow x 5)) (/ 1 x)) (/ 1 (pow x 3)))
25.0ms
(/ 1 (pow x 3))

simplify8.5s

Counts
97 → 114
Calls

97 calls. Slowest were:

509.0ms
(fma (- (/ 1 (pow x 3))) 1 (* (/ 1 (pow x 3)) 1))
439.0ms
(* (- (/ 1 (pow x 5)) (/ 1 x)) (pow x 3))
370.0ms
(- (* (+ (pow (/ 1 (pow x 5)) 3) (pow (/ 1 x) 3)) (pow x 3)) (* (+ (* (/ 1 (pow x 5)) (/ 1 (pow x 5))) (- (* (/ 1 x) (/ 1 x)) (* (/ 1 (pow x 5)) (/ 1 x)))) 1))

prune1.5s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes55.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (x)
  :name "x / (x^2 + 1)"

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

  (/ x (+ (* x x) 1)))

Backtrace

partition: contract violation expected: list? given: 0.009625 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