Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:29:33 2014

Optimize a model with 1936 rows, 1893 columns and 7439 nonzeros
Presolve time: 0.04s
Presolved: 1936 rows, 1893 columns, 7439 nonzeros
Variable types: 1 continuous, 1892 integer (1892 binary)
Found heuristic solution: objective 0.6669500
Found heuristic solution: objective 0.6596660
Found heuristic solution: objective 0.6114608

Root relaxation: objective 1.873189e-01, 1097 iterations, 0.03 seconds

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

     0     0    0.18732    0  342    0.61146    0.18732  69.4%     -    0s
H    0     0                       0.4446441    0.18732  57.9%     -    0s
H    0     0                       0.4035623    0.18732  53.6%     -    0s
     0     0    0.19787    0  337    0.40356    0.19787  51.0%     -    0s
     0     0    0.19787    0  344    0.40356    0.19787  51.0%     -    0s
     0     0    0.19868    0  333    0.40356    0.19868  50.8%     -    0s
H    0     0                       0.3456590    0.19868  42.5%     -    0s
     0     0    0.21150    0  209    0.34566    0.21150  38.8%     -    0s
H    0     0                       0.3264032    0.21150  35.2%     -    0s
     0     1    0.21634    0  209    0.32640    0.21634  33.7%     -    0s
H    1     1                       0.3132509    0.21634  30.9%   292    0s
H    1     1                       0.3083217    0.21634  29.8%   292    0s

Cutting planes:
  Gomory: 2
  MIR: 2

Explored 1 nodes (5769 simplex iterations) in 0.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.083217019540e-01, best bound 3.083217019540e-01, gap 0.0%