[Clp] Clp_initialPrimalSolve claims infeasibility where it should not

John Forrest jjhforrest at gmail.com
Mon Dec 4 12:12:55 EST 2023


Unable to reproduce - either on stable or master.

The exact driver used and log file would be useful.

John Forrest
On 04/12/2023 15:40, Henning Thielemann wrote:
>
> My automated randomized QuickCheck tests fail occasionally when 
> running initialPrimalSolve. Attached is one such example. The problem 
> can be solved when I call a solver other than initialPrimalSolve 
> (initialSolve, initialDualSolve) or when I replace Maximize by 
> Minimize or when I use a solver from another LP project, e.g. glpksol 
> or highs.
>
> See attached example.
>
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