Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:48 2012

Optimize a model with 71 rows, 72 columns and 247 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 71 rows, 68 columns, 243 nonzeros
Variable types: 0 continuous, 68 integer (67 binary)
Found heuristic solution: objective 11.0000000

Root relaxation: objective 0.000000e+00, 48 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   30   11.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.35397    0   33    6.00000    0.35397  94.1%     -    0s
     0     0    0.79749    0   35    6.00000    0.79749  86.7%     -    0s
H    0     0                       5.0000000    0.79749  84.1%     -    0s
     0     0    0.82973    0   38    5.00000    0.82973  83.4%     -    0s
H    0     0                       4.0000000    0.82973  79.3%     -    0s
     0     2    0.92093    0   38    4.00000    0.92093  77.0%     -    0s
*    5     4               5       3.0000000    1.71429  42.9%  13.8    0s

Cutting planes:
  Gomory: 4
  Mod-K: 1

Explored 11 nodes (302 simplex iterations) in 0.03 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%