Main:i from

Specification

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\[\begin{array}{l} \\ \left(\left(\left(x + x\right) + x\right) + x\right) + x \end{array} \]
(FPCore (x) :precision binary64 (+ (+ (+ (+ x x) x) x) x))
double code(double x) {
	return (((x + x) + x) + x) + x;
}
real(8) function code(x)
    real(8), intent (in) :: x
    code = (((x + x) + x) + x) + x
end function
public static double code(double x) {
	return (((x + x) + x) + x) + x;
}
def code(x):
	return (((x + x) + x) + x) + x
function code(x)
	return Float64(Float64(Float64(Float64(x + x) + x) + x) + x)
end
function tmp = code(x)
	tmp = (((x + x) + x) + x) + x;
end
code[x_] := N[(N[(N[(N[(x + x), $MachinePrecision] + x), $MachinePrecision] + x), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}

\\
\left(\left(\left(x + x\right) + x\right) + x\right) + x
\end{array}

Reproduce

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herbie shell --seed 2024246 
(FPCore (x)
  :name "Main:i from "
  :precision binary64
  (+ (+ (+ (+ x x) x) x) x))

Please file a bug report with this information.

Backtrace

map: contract violation expected: list? given: '((+.f64 (+.f64 (+.f64 (+.f64 x x) x) x) x) . #hasheq((errs . (1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...LC
gen-map/usr/local/racket/collects/racket/private/map.rkt2572
actual-errors/home/nightlies/herbie/zane-concrete-values/src/core/explain.rkt350
generate-timelines/home/nightlies/herbie/zane-concrete-values/src/core/explain.rkt4930
explain!/home/nightlies/herbie/zane-concrete-values/src/core/mainloop.rkt3220
run-improve!/home/nightlies/herbie/zane-concrete-values/src/core/mainloop.rkt440
get-alternatives/report/home/nightlies/herbie/zane-concrete-values/src/api/sandbox.rkt1860
(unnamed)/home/nightlies/herbie/zane-concrete-values/src/api/sandbox.rkt2826
(unnamed)/usr/local/racket/share/pkgs/profile-lib/main.rkt4010
profile-thunk/usr/local/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/usr/local/racket/collects/racket/engine.rkt4224