[Cbc-tickets] [COIN-OR Branch-and-Cut MIP Solver] #44: Assertion/crash in Cbc

COIN-OR Branch-and-Cut MIP Solver coin-trac at coin-or.org
Mon Feb 25 09:09:06 EST 2008


#44: Assertion/crash in Cbc
------------------------+---------------------------------------------------
 Reporter:  esben       |       Owner:  somebody
     Type:  defect      |      Status:  new     
 Priority:  major       |   Milestone:          
Component:  component1  |     Version:          
 Keywords:              |  
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 The attached problem crashes Cbc build from trunk 2008-02-08:

 Except:

 Cbc0038I Before mini branch and bound, 61 integers at bound fixed and 17
 continuous
 Cbc0038I Mini branch and bound did not improve solution (0.07 seconds)
 Cbc0038I After 0.07 seconds - Feasibility pump exiting with objective of 2
 - took 0.06 seconds
 Cbc0012I Integer solution of 2.36662e+06 found by feasibility pump after 0
 iterations and 0 nodes (0.07 seconds)
 cbc: OsiClpSolverInterface.cpp:3360: void
 OsiClpSolverInterface::freeCachedResults1() const: Assertion
 `clpMatrix->getNumCols()==modelPtr_->getNumCols()' failed

-- 
Ticket URL: <https://projects.coin-or.org/Cbc/ticket/44>
COIN-OR Branch-and-Cut MIP Solver <http://projects.coin-or.org/Cbc>
An LP-based branch-and-cut MIP solver.



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