Gurobi 5.0.1 (linux64) logging started Fri Nov 16 04:28:34 2012

Optimize a model with 7292 rows, 2652 columns and 24274 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.13s
Presolved: 7341 rows, 2650 columns, 26589 nonzeros
Variable types: 0 continuous, 2650 integer (2650 binary)
Found heuristic solution: objective 51.0000000

Root relaxation: objective 2.000000e+00, 2130 iterations, 0.06 seconds

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

     0     0    2.00000    0  102   51.00000    2.00000  96.1%     -    0s
H    0     0                      45.0000000    2.00000  95.6%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    2.66667    0  124    5.00000    2.66667  46.7%     -    0s
H    0     0                       4.0000000    2.66667  33.3%     -    0s
     0     0    2.67123    0 2198    4.00000    2.67123  33.2%     -    1s
     0     0    2.67123    0 2185    4.00000    2.67123  33.2%     -    1s
     0     0    2.67123    0 2186    4.00000    2.67123  33.2%     -    2s
     0     0    2.67123    0 2038    4.00000    2.67123  33.2%     -    3s
     0     0    2.67123    0 2039    4.00000    2.67123  33.2%     -    4s
     0     0    2.67123    0 1989    4.00000    2.67123  33.2%     -    4s
     0     0    2.67123    0 1858    4.00000    2.67123  33.2%     -    5s
     0     0    2.67123    0 1855    4.00000    2.67123  33.2%     -    5s
     0     0    2.67123    0 1898    4.00000    2.67123  33.2%     -    6s
     0     0    2.67123    0 1887    4.00000    2.67123  33.2%     -    7s
     0     0    2.67123    0 1939    4.00000    2.67123  33.2%     -    7s
     0     0    2.67123    0 1948    4.00000    2.67123  33.2%     -    8s
     0     0    2.67123    0 1900    4.00000    2.67123  33.2%     -    8s
     0     2    3.00000    0 1900    4.00000    3.00000  25.0%     -    9s
     2     4    3.00000    2  100    4.00000    3.00000  25.0%   749   10s

Cutting planes:
  Clique: 56
  Zero half: 13

Explored 17 nodes (36711 simplex iterations) in 10.12 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%