Solvers cannot get a feasible solution for a feasible model

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feifan
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Solvers cannot get a feasible solution for a feasible model

Post by feifan »

Dear All,

When I tried to solve a feasible MISOCP model, the solvers cannot return a feasible solution even after 10 hours. The model is feasible for sure because it returns a solution when I fix some variables.

I attached my model and data below, could someone help me figure out what was happening?

In my model, when I fix *roh.fx(bus,time) = 0.1, it return a solution. However, once I delete it, the solvers cannot get a feasible solution even after 10 hours solving time.
Untitled_319.gms
main program
(11.81 KiB) Downloaded 286 times
Thanks in advance.
data file.txt
data file, please paste the data to inc. file
(165.16 KiB) Downloaded 283 times
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