\[1 \leq a \land a \leq 2 \land 2 \leq b \land b \leq 4 \land 4 \leq c \land c \leq 8 \land 8 \leq d \land d \leq 16 \land 16 \leq e \land e \leq 32\]
\[\]

Reproduce

Please include this information when filing a bug report:

herbie shell --seed 2020271 
(FPCore (a b c d e)
  :name "Expression 1, p15"
  :precision binary64
  :pre (<= 1.0 a 2.0 b 4.0 c 8.0 d 16.0 e 32.0)

  :herbie-target
  (+ (+ d (+ c (+ a b))) e)

  (+ (+ (+ (+ e d) c) b) a))

Backtrace

match: no matching clause for 'realLC
match:error/opt/racket-7.8/collects/racket/match/runtime.rkt240
f391unknown
munge/data/pavpan/nightlies/herbie/egg-taylor/src/programs.rkt1492
for-loop/data/pavpan/nightlies/herbie/egg-taylor/src/programs.rkt16815
f391unknown
munge/data/pavpan/nightlies/herbie/egg-taylor/src/programs.rkt1492
for-loop/data/pavpan/nightlies/herbie/egg-taylor/src/programs.rkt1794
batch-eval-progs/data/pavpan/nightlies/herbie/egg-taylor/src/programs.rkt1250
batch-errors/data/pavpan/nightlies/herbie/egg-taylor/src/points.rkt1690
atab-add-altns/data/pavpan/nightlies/herbie/egg-taylor/src/core/alt-table.rkt1940
(unnamed)/opt/racket-7.8/collects/racket/contract/private/arrow-val-first.rkt48618
finalize-iter!/data/pavpan/nightlies/herbie/egg-taylor/src/mainloop.rkt2850
run-iter!/data/pavpan/nightlies/herbie/egg-taylor/src/mainloop.rkt3530
run-improve/data/pavpan/nightlies/herbie/egg-taylor/src/mainloop.rkt3720
(unnamed)/data/pavpan/nightlies/herbie/egg-taylor/src/sandbox.rkt726
run/opt/racket-7.8/share/pkgs/profile-lib/main.rkt392
profile-thunk/opt/racket-7.8/share/pkgs/profile-lib/main.rkt90
(unnamed)/opt/racket-7.8/collects/racket/engine.rkt4224

Reproduce

herbie shell --seed 2020271 
(FPCore (a b c d e)
  :name "Expression 1, p15"
  :precision binary64
  :pre (<= 1.0 a 2.0 b 4.0 c 8.0 d 16.0 e 32.0)

  :herbie-target
  (+ (+ d (+ c (+ a b))) e)

  (+ (+ (+ (+ e d) c) b) a))