Error in 6.7s

Runtime

Time bar (total: 6.7s)Debug logProfile

start74.0ms

Algorithm
intervals

setup10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize22.0ms

Local error

Found 2 expressions with local error:

0.3b
(- (log x) (log (log x)))
0.0b
(log (log x))

rewrite8.0ms

Algorithm
rewrite-expression-head
Counts
2 → 49
Calls

2 calls. Slowest were:

5.0ms
(- (log x) (log (log x)))
2.0ms
(log (log x))

series767.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

473.0ms
(- (log x) (log (log x)))
294.0ms
(log (log x))

simplify1.1s

Counts
44 → 55
Calls

44 calls. Slowest were:

267.0ms
(- (log -1) (+ (log (- (log -1) (log (/ -1 x)))) (log (/ -1 x))))
59.0ms
(fma (sqrt (log x)) (sqrt (log x)) (- (* (log (log x)) 1)))
53.0ms
(fma 1 (log x) (- (* (log (log x)) 1)))

prune446.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ x (log x))
0.0b
(log (/ x (log x)))

rewrite3.0ms

Algorithm
rewrite-expression-head
Counts
2 → 31
Calls

2 calls. Slowest were:

2.0ms
(log (/ x (log x)))
1.0ms
(/ x (log x))

series575.0ms

Counts
2 → 6
Calls

2 calls. Slowest were:

313.0ms
(log (/ x (log x)))
262.0ms
(/ x (log x))

simplify847.0ms

Counts
15 → 37
Calls

15 calls. Slowest were:

670.0ms
(- (log (/ -1 (- (log -1) (log (/ -1 x))))) (log (/ -1 x)))
50.0ms
(/ x (- (log -1) (log (/ -1 x))))
42.0ms
(- (log (/ -1 (log (/ 1 x)))) (log (/ 1 x)))

prune329.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes72.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (x)
  :name "Jmat.Real.lambertw, estimator"
  (- (log x) (log (log x))))

Backtrace

partition: contract violation expected: list? given: 0.00425 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