Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:15 2012

Optimize a model with 463 rows, 44 columns and 926 nonzeros
Presolve removed 327 rows and 0 columns
Presolve time: 0.00s
Presolved: 136 rows, 44 columns, 738 nonzeros
Variable types: 0 continuous, 44 integer (44 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 8.656250e+00, 75 iterations, 0.00 seconds

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

     0     0    8.65625    0   35    5.00000    8.65625  73.1%     -    0s
H    0     0                       7.0000000    8.65625  23.7%     -    0s
     0     0    8.00000    0   33    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   33    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   34    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   32    7.00000    8.00000  14.3%     -    0s
     0     2    8.00000    0   25    7.00000    8.00000  14.3%     -    0s

Explored 3 nodes (456 simplex iterations) in 0.04 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%