Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:25 2014

Optimize a model with 157 rows, 156 columns and 444 nonzeros
Found heuristic solution: objective 4.74559
Presolve time: 0.00s
Presolved: 157 rows, 156 columns, 444 nonzeros
Variable types: 0 continuous, 156 integer (156 binary)

Root relaxation: objective 2.473744e+00, 85 iterations, 0.00 seconds

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

*    0     0               0       2.4737435    2.47374  0.00%     -    0s

Explored 0 nodes (85 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.473743518508e+00, best bound 2.473743518508e+00, gap 0.0%