Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:35:12 2014

Optimize a model with 3600 rows, 3541 columns and 13983 nonzeros
Presolve time: 0.09s
Presolved: 3600 rows, 3541 columns, 13983 nonzeros
Variable types: 1 continuous, 3540 integer (3540 binary)
Found heuristic solution: objective 1.0210160
Found heuristic solution: objective 0.9439109
Found heuristic solution: objective 0.7089660

Root relaxation: objective 1.633208e-01, 1942 iterations, 0.09 seconds

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

     0     0    0.16332    0  542    0.70897    0.16332  77.0%     -    0s
H    0     0                       0.4840067    0.16332  66.3%     -    0s
     0     0    0.16903    0  347    0.48401    0.16903  65.1%     -    0s
     0     0    0.16903    0  542    0.48401    0.16903  65.1%     -    0s
H    0     0                       0.4105302    0.16903  58.8%     -    0s
     0     0    0.16903    0  363    0.41053    0.16903  58.8%     -    0s
H    0     0                       0.3689769    0.16903  54.2%     -    0s
     0     0    0.17281    0  351    0.36898    0.17281  53.2%     -    1s
H    0     0                       0.3438687    0.17281  49.7%     -    1s
     0     2    0.17351    0  351    0.34387    0.17351  49.5%     -    2s
H    1     2                       0.2780597    0.17351  37.6%   629    2s
H    3     2                       0.2649987    0.24701  6.79%   210    2s
H    3     2                       0.2644194    0.24701  6.58%   210    2s
*    4     2              10       0.2625597    0.26256  0.00%   157    2s

Cutting planes:
  Gomory: 1
  MIR: 2

Explored 5 nodes (13853 simplex iterations) in 2.46 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.625596949031e-01, best bound 2.625596949031e-01, gap 0.0%