Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:18 2012

Optimize a model with 1470 rows, 76 columns and 2940 nonzeros
Presolve removed 1042 rows and 0 columns
Presolve time: 0.03s
Presolved: 428 rows, 76 columns, 2805 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.146470e+01, 260 iterations, 0.01 seconds

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

     0     0   11.46470    0   71    7.00000   11.46470  63.8%     -    0s
     0     0   11.15476    0   70    7.00000   11.15476  59.4%     -    0s
     0     0   11.10634    0   73    7.00000   11.10634  58.7%     -    0s
     0     0   11.08082    0   71    7.00000   11.08082  58.3%     -    0s
     0     0   11.07326    0   72    7.00000   11.07326  58.2%     -    0s
     0     0   11.07243    0   71    7.00000   11.07243  58.2%     -    0s
     0     0   11.07229    0   71    7.00000   11.07229  58.2%     -    0s
     0     0   11.07229    0   71    7.00000   11.07229  58.2%     -    0s
     0     2   11.07113    0   71    7.00000   11.07113  58.2%     -    0s
*   35    14               4       8.0000000   10.82867  35.4%  52.3    0s

Cutting planes:
  Clique: 35
  Zero half: 6

Explored 56 nodes (3392 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%