Error in 36.5s

Runtime

Time bar (total: 36.5s) Debug log

Please include this information when filing a bug report:

herbie --seed '#(3042209127 2022729764 3313166321 4075783413 705100875 65069737)'
(FPCore (a b c)
  :name "Area of a triangle"
  :pre (and (< 0 a) (< 0 b) (< 0 c))
  (sqrt (* (* (* (/ (+ (+ a b) c) 2) (- (/ (+ (+ a b) c) 2) a)) (- (/ (+ (+ a b) c) 2) b)) (- (/ (+ (+ a b) c) 2) c))))

Backtrace

sample-points: Cannot sample enough valid points. See <http://herbie.uwplse.org/doc/1.1/faq.html#sample-valid-points> for more.LC
run-improve58/home/pavpan/herbie/src/mainloop.rkt2440
(unnamed)/opt/racket-6.3/collects/racket/private/more-scheme.rkt26128