Error in 1.4s

Runtime

Time bar (total: 1.4s)Debug logProfile

Please include this information when filing a bug report:

herbie shell --seed 2018195 +o rules:numerics
(FPCore (x)
  :name "Hyperbolic arc-(co)secant"
  (log (+ (/ 1 x) (/ (sqrt (- 1 (* x x))) x))))

Backtrace

nan?: contract violation expected: real? given: 0+1/8iLC
has-nan?/data/pavpan/nightlies/herbie/remove-backup-simplify/src/core/simplify.rkt920
ormap/usr/share/racket/collects/racket/private/map.rkt10513
loop/usr/share/racket/collects/racket/private/map.rkt11223
loop/usr/share/racket/collects/racket/private/map.rkt11223
(unnamed)/usr/share/racket/collects/racket/private/norm-define.rkt5383
core22/usr/share/racket/collects/racket/private/norm-define.rkt5383
(unnamed)/usr/share/racket/collects/racket/private/more-scheme.rkt26128
for-loop/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt1596
simplify!/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt1550
run-iter!/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt2150
for-loop/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt24910
run-improve50/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt2340
(unnamed)/usr/share/racket/collects/racket/private/more-scheme.rkt26128
run/usr/share/racket/pkgs/profile-lib/main.rkt392
profile-thunk16/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/private/more-scheme.rkt26128