[Cbc] Bug on 2.8.8

Stuart Mitchell stu at stuartmitchell.com
Tue Apr 8 01:18:00 EDT 2014


With the attached file and command line I get a segfault on cbc 64 bit
linux obtained from
https://code.google.com/p/ampl/downloads/list?q=cbc

$ src/pulp/solverdir/cbc-64 31070-pulp.mps branch solution pulp.sol
Welcome to the CBC MILP Solver
Version: 2.8.8
Build Date: Jan 27 2014

command line - src/pulp/solverdir/cbc-64 31070-pulp.mps branch solution
pulp.sol (default strategy 1)
At line 2 NAME          MODEL
At line 3 ROWS
At line 8 COLUMNS
At line 22 RHS
At line 26 BOUNDS
At line 32 ENDATA
Problem MODEL has 3 rows, 4 columns and 6 elements
Coin0008I MODEL read with 0 errors
Continuous objective value is 0 - 0.00 seconds
Cgl0004I processed model has 1 rows, 2 columns (2 integer) and 2 elements
1 infeasibilities
Problem is infeasible!
Segmentation fault (core dumped)


-- 
Stuart Mitchell
PhD Engineering Science
Extraordinary Freelance Programmer and Optimisation Guru
www.stuartmitchell.com
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