Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:27:38 2014

Optimize a model with 1954 rows, 993 columns and 4805 nonzeros
Presolve removed 31 rows and 0 columns
Presolve time: 0.06s
Presolved: 1923 rows, 993 columns, 4774 nonzeros
Variable types: 1 continuous, 992 integer (992 binary)
Found heuristic solution: objective 1.1168678
Found heuristic solution: objective 1.0606779
Found heuristic solution: objective 0.7874882

Root relaxation: objective 1.242768e-02, 1284 iterations, 0.03 seconds

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

     0     0    0.01243    0  853    0.78749    0.01243  98.4%     -    0s
H    0     0                       0.4646683    0.01243  97.3%     -    0s
     0     0    0.02717    0  379    0.46467    0.02717  94.2%     -    0s
     0     0    0.19807    0  217    0.46467    0.19807  57.4%     -    0s
H    0     0                       0.4499581    0.19807  56.0%     -    0s
     0     0    0.20228    0  229    0.44996    0.20228  55.0%     -    0s
H    0     0                       0.4043231    0.20228  50.0%     -    0s
H    0     0                       0.3984080    0.20228  49.2%     -    0s
     0     0    0.20366    0  233    0.39841    0.20366  48.9%     -    0s
H    0     0                       0.3548646    0.20366  42.6%     -    0s
     0     0    0.22372    0  147    0.35486    0.22372  37.0%     -    0s
H    0     0                       0.3151795    0.22372  29.0%     -    0s
     0     1    0.22469    0  147    0.31518    0.22469  28.7%     -    0s

Explored 1 nodes (5719 simplex iterations) in 0.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.151795316792e-01, best bound 3.151795316792e-01, gap 0.0%