Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:27:17 2014

Optimize a model with 1597 rows, 813 columns and 3920 nonzeros
Presolve removed 28 rows and 0 columns
Presolve time: 0.04s
Presolved: 1569 rows, 813 columns, 3892 nonzeros
Variable types: 1 continuous, 812 integer (812 binary)
Found heuristic solution: objective 0.9295193
Found heuristic solution: objective 0.9219604
Found heuristic solution: objective 0.6862189

Root relaxation: objective 1.736281e-02, 943 iterations, 0.02 seconds

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

     0     0    0.01736    0  591    0.68622    0.01736  97.5%     -    0s
H    0     0                       0.6157083    0.01736  97.2%     -    0s
     0     0    0.02072    0  512    0.61571    0.02072  96.6%     -    0s
     0     0    0.24537    0  213    0.61571    0.24537  60.1%     -    0s
H    0     0                       0.5291972    0.24537  53.6%     -    0s
H    0     0                       0.5094738    0.24537  51.8%     -    0s
     0     0    0.25627    0  189    0.50947    0.25627  49.7%     -    0s
H    0     0                       0.4672306    0.25627  45.2%     -    0s
H    0     0                       0.4148714    0.25627  38.2%     -    0s
     0     0    0.25728    0  170    0.41487    0.25728  38.0%     -    0s
     0     1    0.25729    0  170    0.41487    0.25729  38.0%     -    1s
H    1     1                       0.3644278    0.25729  29.4%   166    1s

Explored 3 nodes (5235 simplex iterations) in 1.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.644277685278e-01, best bound 3.644277685278e-01, gap 0.0%