Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:31:22 2014

Optimize a model with 2500 rows, 2451 columns and 9653 nonzeros
Presolve time: 0.05s
Presolved: 2500 rows, 2451 columns, 9653 nonzeros
Variable types: 1 continuous, 2450 integer (2450 binary)
Found heuristic solution: objective 1.1110475
Found heuristic solution: objective 1.0726238
Found heuristic solution: objective 0.7656846

Root relaxation: objective 1.813040e-01, 1442 iterations, 0.06 seconds

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

     0     0    0.18130    0  396    0.76568    0.18130  76.3%     -    0s
H    0     0                       0.4083733    0.18130  55.6%     -    0s
     0     0    0.18487    0  377    0.40837    0.18487  54.7%     -    0s
     0     0    0.18487    0  427    0.40837    0.18487  54.7%     -    0s
H    0     0                       0.3832533    0.18487  51.8%     -    0s
     0     0    0.18567    0  406    0.38325    0.18567  51.6%     -    0s
H    0     0                       0.3597260    0.18567  48.4%     -    0s
     0     0    0.19655    0  262    0.35973    0.19655  45.4%     -    0s
H    0     0                       0.3316297    0.19655  40.7%     -    0s
H    0     0                       0.3125691    0.19655  37.1%     -    0s
     0     0    0.24096    0  111    0.31257    0.24096  22.9%     -    0s
     0     2    0.27288    0  111    0.31257    0.27288  12.7%     -    0s
H    3     3                       0.2728804    0.27288  0.00%  90.0    0s

Explored 3 nodes (7906 simplex iterations) in 0.69 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.728804101342e-01, best bound 2.728804101342e-01, gap 0.0%