Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:54 2012

Optimize a model with 261 rows, 287 columns and 937 nonzeros
Presolve removed 0 rows and 20 columns
Presolve time: 0.00s
Presolved: 261 rows, 267 columns, 917 nonzeros
Variable types: 0 continuous, 267 integer (266 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 160 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  103   43.00000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.01299    0  105   19.00000    0.01299   100%     -    0s
H    0     0                      12.0000000    0.01299   100%     -    0s
     0     0    0.68810    0  113   12.00000    0.68810  94.3%     -    0s
H    0     0                       4.0000000    0.68810  82.8%     -    0s
     0     0    0.68810    0  113    4.00000    0.68810  82.8%     -    0s
     0     2    0.71749    0  113    4.00000    0.71749  82.1%     -    0s
*   37     8               4       3.0000000    1.00000  66.7%  23.3    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 68 nodes (2297 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%