[Cbc] Solution file format

[Bjørn Sigurd Johansen (Spider Solutions AS)]

Hi,



Normally, I get solution file having format like:

Stopped on time - objective value 127.80312680

    190 S435                   1               -136.8498

    192 S437                   1                   120.6

    705 M0           0.074734827                       0

    706 M1             0.2417554                       0

   1084 B1102                  1                       0

2. column are variables defined by me, and 3. column are the solution values for my variables



However, now I get solution file having format like:

Optimal (within gap tolerance) - objective value 1052.83430000

    114 x114                   2                  15.744

    180 x180                   3                  5.0475

    202 x202                  19                41.58125

    211 x211                   1                  45.604

    324 x324                   8                   3.645

    403 x403                   2                   14.22

    438 x438                   1                     100



Where do the "x" prefixes some from?  (I do not have any variables in my model prefixed with an "x").  Looks like I get a solution, but none of my variables are included in the solution file.







Regards,

Bjorn
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