Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:47 2012

Optimize a model with 299 rows, 303 columns and 1048 nonzeros
Presolve removed 0 rows and 23 columns
Presolve time: 0.00s
Presolved: 299 rows, 280 columns, 1025 nonzeros
Variable types: 0 continuous, 280 integer (279 binary)
Found heuristic solution: objective 51.0000000

Root relaxation: objective 0.000000e+00, 182 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  120   51.00000    0.00000   100%     -    0s
H    0     0                      47.0000000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.30656    0  121   25.00000    0.30656  98.8%     -    0s
H    0     0                      22.0000000    0.30656  98.6%     -    0s
     0     0    1.00000    0  123   22.00000    1.00000  95.5%     -    0s
H    0     0                      19.0000000    1.00000  94.7%     -    0s
     0     0    1.00000    0  124   19.00000    1.00000  94.7%     -    0s
     0     0    1.00000    0  124   19.00000    1.00000  94.7%     -    0s
H    0     0                      17.0000000    1.00000  94.1%     -    0s
H    0     0                      13.0000000    1.00000  92.3%     -    0s
H    0     0                      12.0000000    1.00000  91.7%     -    0s
     0     2    1.00000    0  120   12.00000    1.00000  91.7%     -    0s
*   37    21              23       8.0000000    1.83333  77.1%  21.8    0s

Cutting planes:
  Gomory: 2
  Zero half: 2

Explored 238 nodes (3841 simplex iterations) in 0.16 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%