Gurobi 5.0.1 (linux64) logging started Fri Nov 16 09:03:39 2012

Optimize a model with 14429 rows, 4290 columns and 47253 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.43s
Presolved: 14427 rows, 4288 columns, 46809 nonzeros
Variable types: 0 continuous, 4288 integer (4288 binary)
Found heuristic solution: objective 65.0000000

Root relaxation: objective 2.000000e+00, 3151 iterations, 0.12 seconds

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

     0     0    2.00000    0  130   65.00000    2.00000  96.9%     -    0s
H    0     0                      60.0000000    2.00000  96.7%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    2.66667    0  293    5.00000    2.66667  46.7%     -    3s
H    0     0                       4.0000000    2.66667  33.3%     -    3s
     0     0    2.67742    0 3721    4.00000    2.67742  33.1%     -    4s
     0     0    3.00000    0  162    4.00000    3.00000  25.0%     -    4s
     0     0    3.00000    0  167    4.00000    3.00000  25.0%     -    4s
     0     0    3.00000    0  170    4.00000    3.00000  25.0%     -    4s
     0     0 infeasible    0         4.00000    3.00001  25.0%     -    4s

Cutting planes:
  Zero half: 245

Explored 0 nodes (19645 simplex iterations) in 4.89 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%