Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:29 2013

Optimize a model with 1016 rows, 2013 columns and 7025 nonzeros
Presolve removed 13 rows and 59 columns
Presolve time: 0.06s
Presolved: 1003 rows, 1954 columns, 5861 nonzeros
Variable types: 1000 continuous, 954 integer (954 binary)
Found heuristic solution: objective 3292.3314523

Root relaxation: objective 3.283962e+03, 8 iterations, 0.00 seconds

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

     0     0 3283.96194    0    2 3292.33145 3283.96194  0.25%     -    0s
     0     0 3284.23928    0    2 3292.33145 3284.23928  0.25%     -    0s
     0     0 3284.51404    0    2 3292.33145 3284.51404  0.24%     -    0s
     0     1 3284.58902    0    2 3292.33145 3284.58902  0.24%     -    0s

Explored 32 nodes (204 simplex iterations) in 0.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.292331452299e+03, best bound 3.292015607485e+03, gap 0.0096%