?

\[\left(x \cdot \log y + z \cdot \log \left(1 - y\right)\right) - t \]
(FPCore (x y z t)
 :precision binary64
 (- (+ (* x (log y)) (* z (log (- 1.0 y)))) t))
double code(double x, double y, double z, double t) {
	return ((x * log(y)) + (z * log((1.0 - y)))) - t;
}
real(8) function code(x, y, z, t)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8), intent (in) :: t
    code = ((x * log(y)) + (z * log((1.0d0 - y)))) - t
end function
public static double code(double x, double y, double z, double t) {
	return ((x * Math.log(y)) + (z * Math.log((1.0 - y)))) - t;
}
def code(x, y, z, t):
	return ((x * math.log(y)) + (z * math.log((1.0 - y)))) - t
function code(x, y, z, t)
	return Float64(Float64(Float64(x * log(y)) + Float64(z * log(Float64(1.0 - y)))) - t)
end
function tmp = code(x, y, z, t)
	tmp = ((x * log(y)) + (z * log((1.0 - y)))) - t;
end
code[x_, y_, z_, t_] := N[(N[(N[(x * N[Log[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Log[N[(1.0 - y), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - t), $MachinePrecision]
\left(x \cdot \log y + z \cdot \log \left(1 - y\right)\right) - t

Reproduce?

Please include this information when filing a bug report:

herbie shell --seed 2023033 
(FPCore (x y z t)
  :name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, B"
  :precision binary64

  :herbie-target
  (- (* (- z) (+ (+ (* 0.5 (* y y)) y) (* (/ 0.3333333333333333 (* 1.0 (* 1.0 1.0))) (* y (* y y))))) (- t (* x (log y))))

  (- (+ (* x (log y)) (* z (log (- 1.0 y)))) t))

Backtrace

map: contract violation expected: list? given: #<eof>LC
gen-map/usr/share/racket/collects/racket/private/map.rkt2572
run-egglog/home/nightlies/herbie/oflatt-egglog-ctx/src/egglog/run-egglog.rkt14560
run-simplify-input/home/nightlies/herbie/oflatt-egglog-ctx/src/core/simplify.rkt730
simplify-batch/home/nightlies/herbie/oflatt-egglog-ctx/src/core/simplify.rkt480
(unnamed)/usr/share/racket/collects/racket/contract/private/arrow-higher-order.rkt37933
simplify!/home/nightlies/herbie/oflatt-egglog-ctx/src/patch.rkt2460
patch-table-run/home/nightlies/herbie/oflatt-egglog-ctx/src/patch.rkt3180
(unnamed)/usr/share/racket/collects/racket/contract/private/arrow-val-first.rkt48618
run-iter!/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt2620
mutate!/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt3720
run-improve!/home/nightlies/herbie/oflatt-egglog-ctx/src/mainloop.rkt3200
run-herbie/home/nightlies/herbie/oflatt-egglog-ctx/src/sandbox.rkt570
(unnamed)/home/nightlies/herbie/oflatt-egglog-ctx/src/sandbox.rkt1336
(unnamed)/usr/share/racket/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/share/racket/pkgs/profile-lib/main.rkt90
(unnamed)/usr/share/racket/collects/racket/engine.rkt4224