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[Bug-glpk] [Fwd: Some unsuccessful runs (Windows, 4.55, 4.56, 4.59, 4.59


From: Andrew Makhorin
Subject: [Bug-glpk] [Fwd: Some unsuccessful runs (Windows, 4.55, 4.56, 4.59, 4.59.2)]
Date: Sat, 26 Mar 2016 10:50:43 +0300

-------- Forwarded Message --------
From: Anton Voropaev <address@hidden>
To: bug-glpk <address@hidden>
Subject: Some unsuccessful runs (Windows, 4.55, 4.56, 4.59, 4.59.2)
Date: Sat, 26 Mar 2016 08:45:14 +0300

There are ten inputs originally collected for GLPK 4.55.
Three of them do not confuse GLPK since 4.56, at least for one
hour horizon. Another two invariably force the solver to fail.

>From 4.55, 4.56 to 4.59, 4.59.2, the set of errors has changed.
Now it includes, besides locking in dual simplex,
   Assertion failed: tcol[csa->p] != 0.0
   Error detected in file ..\src\simplex\spydual.c at line ...
and
   glp_intopt: cannot solve current LP relaxation.

Details may be found in fails3.zip.

Attachment: readme.txt
Description: Text document


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