Gurobi 5.6.3 (linux64) logging started Tue Oct  7 22:31:45 2014

Optimize a model with 15501 rows, 15500 columns and 46252 nonzeros
Presolve time: 0.30s
Presolved: 15501 rows, 15500 columns, 46252 nonzeros
Variable types: 0 continuous, 15500 integer (15500 binary)
Found heuristic solution: objective 15.9950316

Root relaxation: objective 1.102810e+01, 1713 iterations, 0.14 seconds

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

     0     0   11.02810    0  203   15.99503   11.02810  31.1%     -    0s
H    0     0                      11.0455005   11.02810  0.16%     -    0s
H    0     0                      11.0361021   11.02810  0.07%     -    0s
     0     0     cutoff    0        11.03610   11.03610  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 9

Explored 0 nodes (1729 simplex iterations) in 0.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.103610212773e+01, best bound 1.103610212773e+01, gap 0.0%