Gurobi 5.0.1 (linux64) logging started Fri Nov 16 07:20:55 2012

Optimize a model with 10430 rows, 3782 columns and 34768 nonzeros
Presolve removed 3 rows and 63 columns
Presolve time: 0.26s
Presolved: 10427 rows, 3719 columns, 34365 nonzeros
Variable types: 0 continuous, 3719 integer (3719 binary)
Found heuristic solution: objective 61.0000000

Root relaxation: objective 2.000000e+00, 2488 iterations, 0.07 seconds

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

     0     0    2.00000    0  120   61.00000    2.00000  96.7%     -    0s
H    0     0                      51.0000000    2.00000  96.1%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    2.66667    0 2742    5.00000    2.66667  46.7%     -    1s
     0     0    2.66667    0  147    5.00000    2.66667  46.7%     -    4s
H    0     0                       4.0000000    2.66667  33.3%     -    5s
     0     2    2.66667    0  146    4.00000    2.66667  33.3%     -    6s

Cutting planes:
  Gomory: 1
  Clique: 53

Explored 31 nodes (41484 simplex iterations) in 9.75 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%