[Clp-tickets] [COIN-OR Linear Programming Solver] #54: HotStart problem with stable/1.14

[COIN-OR Linear Programming Solver]

#54: HotStart problem with stable/1.14
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 Reporter:  fmargot     |      Owner:  somebody
     Type:  defect      |     Status:  new
 Priority:  major       |  Milestone:
Component:  component1  |    Version:
 Keywords:              |
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 The attached code
 reads an LP file,
 initialSolve(),
 markHotStart(),
 change both bounds of variable 11 to 3,
 solveFromHotStart(),
 change both bounds of variable 11 to 2,
 solveFromHotStart().

 When printing the status of the optimization, when bounds are 3, the
 problem is not solved to optimality and iterationLimit is reached, which
 is quite odd for such a small problem. If the input file is modified,
 setting the lower bound of var 11 to 3 in the lp file, the three problems
 are solved to optimality (they all have an optimal value of 49).

 It also seems that getIterationCount() always returns 0 when using
 solveFromHotstart().

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Ticket URL: <https://projects.coin-or.org/ticket/54>
COIN-OR Linear Programming Solver <http://projects.coin-or.org/Clp>
A linear programming solver.