Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:27 2012

Optimize a model with 1598 rows, 1560 columns and 6160 nonzeros
Presolve removed 6 rows and 158 columns
Presolve time: 0.08s
Presolved: 1592 rows, 1402 columns, 5922 nonzeros
Variable types: 0 continuous, 1402 integer (1402 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 2.000000e+00, 1043 iterations, 0.01 seconds

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

     0     0    2.00000    0   70   39.00000    2.00000  94.9%     -    0s
H    0     0                      22.0000000    2.00000  90.9%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s

Cutting planes:
  Zero half: 1

Explored 0 nodes (3012 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%