Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:34:09 2012

Optimize a model with 8579 rows, 1122 columns and 26695 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.10s
Presolved: 8610 rows, 1120 columns, 30127 nonzeros
Variable types: 0 continuous, 1120 integer (1120 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.512195e+00, 9454 iterations, 0.76 seconds

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

     0     0    3.51220    0  934   33.00000    3.51220  89.4%     -    1s
H    0     0                      28.0000000    3.51220  87.5%     -    2s
     0     0    6.00000    0   52   28.00000    6.00000  78.6%     -    2s
H    0     0                      14.0000000    6.00000  57.1%     -    2s
     0     0    6.00000    0   56   14.00000    6.00000  57.1%     -    3s
     0     0    7.00000    0   50   14.00000    7.00000  50.0%     -    4s
H    0     0                      11.0000000    7.00000  36.4%     -    4s
H    0     0                       9.0000000    7.00000  22.2%     -    4s
     0     0    7.00000    0  108    9.00000    7.00000  22.2%     -    4s
H    0     0                       8.0000000    7.00000  12.5%     -    4s
H    0     0                       7.0000000    7.00000   0.0%     -    4s

Cutting planes:
  Clique: 6
  Zero half: 1

Explored 0 nodes (23247 simplex iterations) in 4.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%