Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:56 2014

Optimize a model with 625 rows, 601 columns and 2328 nonzeros
Presolve time: 0.01s
Presolved: 625 rows, 601 columns, 2328 nonzeros
Variable types: 1 continuous, 600 integer (600 binary)
Found heuristic solution: objective 0.8877506
Found heuristic solution: objective 0.6688644
Found heuristic solution: objective 0.6533039

Root relaxation: objective 2.314151e-01, 463 iterations, 0.01 seconds

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

     0     0    0.23142    0  187    0.65330    0.23142  64.6%     -    0s
H    0     0                       0.4973833    0.23142  53.5%     -    0s
     0     0    0.23515    0  175    0.49738    0.23515  52.7%     -    0s
     0     0    0.23515    0  191    0.49738    0.23515  52.7%     -    0s
H    0     0                       0.4284679    0.23515  45.1%     -    0s
     0     0    0.23596    0  188    0.42847    0.23596  44.9%     -    0s
H    0     0                       0.4264365    0.23596  44.7%     -    0s
H    0     0                       0.4052647    0.23596  41.8%     -    0s
     0     0    0.24967    0  101    0.40526    0.24967  38.4%     -    0s
H    0     0                       0.3669710    0.24967  32.0%     -    0s
     0     1    0.26014    0  101    0.36697    0.26014  29.1%     -    0s
H    1     1                       0.3577087    0.26014  27.3%   124    0s

Cutting planes:
  Gomory: 2

Explored 1 nodes (2103 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.577087022985e-01, best bound 3.577087022985e-01, gap 0.0%