Gurobi 5.6.3 (linux64) logging started Wed Oct  8 04:25:59 2014

Optimize a model with 50176 rows, 49953 columns and 199139 nonzeros
Presolve time: 1.38s
Presolved: 50176 rows, 49953 columns, 199139 nonzeros
Variable types: 1 continuous, 49952 integer (49952 binary)
Found heuristic solution: objective 0.8880034
Found heuristic solution: objective 0.8855710
Found heuristic solution: objective 0.8311692

Root relaxation: objective 8.115670e-02, 11754 iterations, 4.18 seconds

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

     0     0    0.08116    0 1965    0.83117    0.08116  90.2%     -    7s
H    0     0                       0.1301166    0.08116  37.6%     -   11s
     0     0    0.09356    0 1067    0.13012    0.09356  28.1%     -   18s
H    0     0                       0.1300785    0.09356  28.1%     -   19s
     0     0    0.09534    0  961    0.13008    0.09534  26.7%     -   20s
     0     0    0.09611    0 1047    0.13008    0.09611  26.1%     -   20s
     0     0    0.09808    0  951    0.13008    0.09808  24.6%     -   20s
     0     0    0.09925    0 1085    0.13008    0.09925  23.7%     -   20s
     0     0    0.10231    0  935    0.13008    0.10231  21.3%     -   21s
     0     0    0.10254    0  975    0.13008    0.10254  21.2%     -   21s
     0     0    0.10313    0  974    0.13008    0.10313  20.7%     -   21s
     0     0    0.10326    0  954    0.13008    0.10326  20.6%     -   21s
     0     0    0.10326    0  948    0.13008    0.10326  20.6%     -   21s
     0     0    0.10334    0 1070    0.13008    0.10334  20.6%     -   21s
H    0     0                       0.1296838    0.10334  20.3%     -   21s
     0     0    0.10836    0  830    0.12968    0.10836  16.4%     -   21s
H    0     0                       0.1294167    0.10836  16.3%     -   21s
H    0     0                       0.1290145    0.10836  16.0%     -   21s
     0     0    0.11401    0  858    0.12901    0.11401  11.6%     -   21s
     0     0    0.11422    0  972    0.12901    0.11422  11.5%     -   22s
     0     0    0.11422    0  972    0.12901    0.11422  11.5%     -   22s
     0     0    0.11422    0  734    0.12901    0.11422  11.5%     -   22s
     0     0    0.11422    0  818    0.12901    0.11422  11.5%     -   22s
     0     0    0.11422    0  818    0.12901    0.11422  11.5%     -   22s
     0     2    0.11422    0  818    0.12901    0.11422  11.5%     -   22s

Cutting planes:
  Gomory: 1
  Implied bound: 3
  MIR: 48
  Zero half: 9

Explored 94 nodes (57526 simplex iterations) in 23.46 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.290145074887e-01, best bound 1.290145074887e-01, gap 0.0%