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Remove misleading warning in compute_conflict #335

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Merged
odow merged 1 commit into from
Jul 28, 2026
Merged

Remove misleading warning in compute_conflict #335

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11 changes: 3 additions & 8 deletions src/MOI/MOI_wrapper.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -4310,14 +4310,9 @@ function _getfirstiis(model::Optimizer)
_check(model, ret)
if status_code[] == 1 # The problem is actually feasible.
return IISData(status_code[], 0, 0, Cint[], Cint[], UInt8[], UInt8[])
elseif 2 <= status_code[] <= 3 # 2 = error, 3 = timeout
if model.moi_warnings
@warn(
"Xpress can't find IIS with invalid bounds, the constraints " *
"that keep the model infeasible can't be found, only the " *
"infeasible bounds will be available",
)
end
elseif status_code[] in (2, 3) # 2 = error, 3 = timeout
# Something went wrong computing the IIS. As a fallback, check for
# infeasible variable bounds.
nvars = length(model.variable_info)
lbs, ubs = zeros(Cdouble, nvars), zeros(Cdouble, nvars)
ret = XPRSgetlb(model, lbs, Cint(0), Cint(nvars - 1))
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