[Cmpl] CBC solver not working

Ainara Aguirre Arcelus ainara at post.harvard.edu
Wed Jun 8 19:59:26 EDT 2016


Hi,

I installed version 1.10.0 for Windows 64 today.  GLPK works great for a
test.cmpl model in a desktop folder.  I can't get CBC to solve, however.
Has anyone else gotten this error and knows what I'm missing?  Please see
code below.

Thanks very much,

Ainara


The command file output is

Cmpl: cmpl /Users/Ainara/Desktop/e2e/apple/cmpl/test.cmpl

CMPL model generation - running

CMPL version: 1.10.0
Authors: Thomas Schleiff, Mike Steglich
Distributed under the GPLv3

create model instance ...
write model instance ...
CMPL model generation - finished

Solver - running

Welcome to the CBC MILP Solver
Version: 2.8.8
Build Date: Dec 21 2013
Revision Number: 1998

command line - C:\Program Files (x86)\Cmpl\bin\..\Thirdparty\CBC\cbc
/Users/Ainara/Desktop/e2e/apple/cmpl/test.mps max solve gsolu
/Users/Ainara/Desktop/e2e/apple/cmpl/test.gsol (default strategy 1)
Unable to open file .\/Users/Ainara/Desktop/e2e/apple/cmpl/test.mps
**Current model not valid
** Current model not valid

No match for /Users/Ainara/Desktop/e2e/apple/cmpl/test.gsol - ? for list of
commands
Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00

Error(interfaces): Can't open GLPK Solution file:
/Users/Ainara/Desktop/e2e/apple/cmpl/test.gsol



The test.cmpl model file is
parameters:
c[] := (1,2,3);
b[] := (15,20);
A[,] := ((5.6, 7.7, 10.5),
(9.8, 4.2, 11.1));

variables:
x[defset(c[])] : real[0..];

objectives:
c[]T * x[] -> max;
constraints:
A[,] * x[] <= b[];
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