Error in 12.2s

Runtime

Time bar (total: 12.2s)Debug log

start367.0ms

Algorithm
intervals

setup44.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize577.0ms

Local error

Found 1 expressions with local error:

0.0b
(log (- (/ 1 x) 1))

rewrite6.0ms

Algorithm
rewrite-expression-head
Counts
1 → 17
Calls

1 calls. Slowest were:

4.0ms
(log (- (/ 1 x) 1))

series39.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

38.0ms
(log (- (/ 1 x) 1))

simplify597.0ms

Counts
10 → 20
Calls

10 calls. Slowest were:

206.0ms
(- (+ x (+ (* 1/2 (pow x 2)) (log x))))
113.0ms
(- (log -1) (+ (/ 1 x) (* 1/2 (/ 1 (pow x 2)))))
105.0ms
(- (log -1) (+ (/ 1 x) (* 1/2 (/ 1 (pow x 2)))))

prune183.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (/ 1 x) 1))
0.1b
(sqrt (- (/ 1 x) 1))
0.0b
(log (sqrt (- (/ 1 x) 1)))
0.0b
(log (sqrt (- (/ 1 x) 1)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Counts
4 → 76
Calls

4 calls. Slowest were:

4.0ms
(sqrt (- (/ 1 x) 1))
3.0ms
(sqrt (- (/ 1 x) 1))
2.0ms
(log (sqrt (- (/ 1 x) 1)))

series129.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

44.0ms
(log (sqrt (- (/ 1 x) 1)))
36.0ms
(log (sqrt (- (/ 1 x) 1)))
28.0ms
(sqrt (- (/ 1 x) 1))

simplify3.3s

Counts
46 → 88
Calls

46 calls. Slowest were:

498.0ms
(- (+ (log (sqrt -1)) (* 1/2 (/ 1 (* x (pow (sqrt -1) 2))))) (* 1/4 (/ 1 (* (pow x 2) (pow (sqrt -1) 4)))))
438.0ms
(- (+ (log (sqrt -1)) (* 1/2 (/ 1 (* x (pow (sqrt -1) 2))))) (* 1/4 (/ 1 (* (pow x 2) (pow (sqrt -1) 4)))))
388.0ms
(- (+ (log (sqrt -1)) (* 1/2 (/ 1 (* x (pow (sqrt -1) 2))))) (* 1/4 (/ 1 (* (pow x 2) (pow (sqrt -1) 4)))))

prune1.0s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes148.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x)
  :name "neg log"
  (- (log (- (/ 1 x) 1))))

Backtrace

partition: contract violation expected: list? given: 0.020984439658824353 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