Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:27:30 2014

Optimize a model with 961 rows, 931 columns and 3630 nonzeros
Presolve time: 0.01s
Presolved: 961 rows, 931 columns, 3630 nonzeros
Variable types: 1 continuous, 930 integer (930 binary)
Found heuristic solution: objective 1.1677278
Found heuristic solution: objective 0.8722935
Found heuristic solution: objective 0.8554823

Root relaxation: objective 2.603891e-01, 797 iterations, 0.02 seconds

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

     0     0    0.26039    0  277    0.85548    0.26039  69.6%     -    0s
H    0     0                       0.6614643    0.26039  60.6%     -    0s
H    0     0                       0.4860718    0.26039  46.4%     -    0s
     0     0    0.28010    0  164    0.48607    0.28010  42.4%     -    0s
     0     0    0.28010    0  149    0.48607    0.28010  42.4%     -    0s
H    0     0                       0.4347038    0.28010  35.6%     -    0s
H    0     0                       0.4141409    0.28010  32.4%     -    0s
     0     0     cutoff    0         0.41414    0.41414  0.00%     -    0s

Cutting planes:
  Gomory: 3
  MIR: 12
  Zero half: 4

Explored 0 nodes (3436 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.141409005601e-01, best bound 4.141409005601e-01, gap 0.0%