Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:27 2012

Optimize a model with 93 rows, 75 columns and 305 nonzeros
Presolve time: 0.00s
Presolved: 93 rows, 75 columns, 305 nonzeros
Variable types: 0 continuous, 75 integer (75 binary)
Found heuristic solution: objective 18.0000000
Found heuristic solution: objective 12.0000000

Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds

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

     0     0    0.00000    0   29   12.00000    0.00000   100%     -    0s
     0     0    0.60345    0   30   12.00000    0.60345  95.0%     -    0s
H    0     0                      11.0000000    0.60345  94.5%     -    0s
     0     0    1.00000    0   32   11.00000    1.00000  90.9%     -    0s
     0     0    1.03045    0   33   11.00000    1.03045  90.6%     -    0s
     0     0    1.07466    0   33   11.00000    1.07466  90.2%     -    0s
     0     0    1.10935    0   34   11.00000    1.10935  89.9%     -    0s
     0     0    1.16013    0   35   11.00000    1.16013  89.5%     -    0s
     0     0    1.17886    0   36   11.00000    1.17886  89.3%     -    0s
     0     2    1.20465    0   36   11.00000    1.20465  89.0%     -    0s
*    7     7               4       7.0000000    2.58810  63.0%  23.4    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 5

Explored 28 nodes (562 simplex iterations) in 0.02 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%