Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:43 2012

Optimize a model with 2879 rows, 2352 columns and 10750 nonzeros
Presolve removed 6 rows and 194 columns
Presolve time: 0.11s
Presolved: 2873 rows, 2158 columns, 10438 nonzeros
Variable types: 0 continuous, 2158 integer (2158 binary)
Found heuristic solution: objective 48.0000000

Root relaxation: objective 2.000000e+00, 1642 iterations, 0.03 seconds

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

     0     0    2.00000    0   88   48.00000    2.00000  95.8%     -    0s
H    0     0                      44.0000000    2.00000  95.5%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 19

Explored 0 nodes (5044 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%