Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:30 2013

Optimize a model with 1016 rows, 2013 columns and 7025 nonzeros
Presolve removed 13 rows and 62 columns
Presolve time: 0.06s
Presolved: 1003 rows, 1951 columns, 5852 nonzeros
Variable types: 1000 continuous, 951 integer (951 binary)
Found heuristic solution: objective 2148.8203230

Root relaxation: objective 2.139957e+03, 6 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 2139.95739    0    2 2148.82032 2139.95739  0.41%     -    0s
     0     0 2140.21472    0    2 2148.82032 2140.21472  0.40%     -    0s
     0     0 2140.46972    0    2 2148.82032 2140.46972  0.39%     -    0s
     0     2 2140.46972    0    2 2148.82032 2140.46972  0.39%     -    0s

Explored 36 nodes (672 simplex iterations) in 0.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.148820323028e+03, best bound 2.148626362513e+03, gap 0.0090%