Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:33 2012

Optimize a model with 243 rows, 271 columns and 876 nonzeros
Presolve removed 0 rows and 33 columns
Presolve time: 0.00s
Presolved: 243 rows, 238 columns, 843 nonzeros
Variable types: 0 continuous, 238 integer (237 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 177 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  105   33.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.16359    0  107   24.00000    0.16359  99.3%     -    0s
H    0     0                      17.0000000    0.16359  99.0%     -    0s
H    0     0                       8.0000000    0.16359  98.0%     -    0s
     0     0    0.77350    0  110    8.00000    0.77350  90.3%     -    0s
H    0     0                       6.0000000    0.77350  87.1%     -    0s
     0     0    0.77350    0  110    6.00000    0.77350  87.1%     -    0s
     0     2    0.78727    0  110    6.00000    0.78727  86.9%     -    0s
H   27    27                       5.0000000    1.23783  75.2%  26.6    0s
*   38    12              26       4.0000000    1.23783  69.1%  26.4    0s

Cutting planes:
  Gomory: 4

Explored 101 nodes (2871 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%