Error in 1.8m

Runtime

Time bar (total: 1.8m)Debug logProfile

Please include this information when filing a bug report:

herbie shell --seed 2020178 +o rules:numerics
(FPCore (n)
  :name "logs (example 3.8)"
  :pre (> n 6.8e+15)

  :herbie-target
  (- (log (+ n 1)) (- (/ 1 (* 2 n)) (- (/ 1 (* 3 (* n n))) (/ 4 (pow n 3)))))

  (- (- (* (+ n 1) (log (+ n 1))) (* n (log n))) 1))

Backtrace

nan?: contract violation expected: real? given: 0+1iLC
has-nan?/data/pavpan/nightlies/herbie/remove-backup-simplify/src/core/simplify.rkt920
ormap/opt/racket-7.5/collects/racket/private/map.rkt14113
loop/opt/racket-7.5/collects/racket/private/map.rkt14923
ormap/opt/racket-7.5/collects/racket/private/map.rkt14113
(unnamed)/data/pavpan/nightlies/herbie/remove-backup-simplify/src/core/simplify.rkt770
unpack24/data/pavpan/nightlies/herbie/remove-backup-simplify/src/core/simplify.rkt430
(unnamed)/opt/racket-7.5/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-improve41/data/pavpan/nightlies/herbie/remove-backup-simplify/src/mainloop.rkt2340
(unnamed)/opt/racket-7.5/collects/racket/private/more-scheme.rkt26128
run/opt/racket-7.5/share/pkgs/profile-lib/main.rkt392
profile-thunk16/opt/racket-7.5/share/pkgs/profile-lib/main.rkt90
(unnamed)/opt/racket-7.5/collects/racket/private/more-scheme.rkt26128