Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:46 2014

Optimize a model with 904 rows, 463 columns and 2205 nonzeros
Presolve removed 21 rows and 0 columns
Presolve time: 0.01s
Presolved: 883 rows, 463 columns, 2184 nonzeros
Variable types: 1 continuous, 462 integer (462 binary)
Found heuristic solution: objective 0.7700507
Found heuristic solution: objective 0.7506366
Found heuristic solution: objective 0.6975225

Root relaxation: objective 2.210424e-02, 517 iterations, 0.01 seconds

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

     0     0    0.02210    0  349    0.69752    0.02210  96.8%     -    0s
H    0     0                       0.6828852    0.02210  96.8%     -    0s
     0     0    0.02560    0  336    0.68289    0.02560  96.3%     -    0s
H    0     0                       0.4322372    0.02560  94.1%     -    0s
     0     0    0.12787    0   74    0.43224    0.12787  70.4%     -    0s
     0     0    0.27283    0   61    0.43224    0.27283  36.9%     -    0s
H    0     0                       0.4033706    0.27283  32.4%     -    0s
     0     0    0.28342    0   74    0.40337    0.28342  29.7%     -    0s
H    0     0                       0.3615008    0.28342  21.6%     -    0s
H    0     0                       0.2921880    0.28342  3.00%     -    0s
*    0     0               0       0.2881220    0.28812  0.00%     -    0s

Cutting planes:
  Gomory: 4
  Implied bound: 1
  MIR: 3

Explored 0 nodes (2138 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.881219944826e-01, best bound 2.881219944826e-01, gap 0.0%