Gurobi 5.6.3 (linux64) logging started Wed Oct  8 03:06:58 2014

Optimize a model with 43264 rows, 43057 columns and 171603 nonzeros
Presolve time: 1.19s
Presolved: 43264 rows, 43057 columns, 171603 nonzeros
Variable types: 1 continuous, 43056 integer (43056 binary)
Found heuristic solution: objective 0.9399270
Found heuristic solution: objective 0.9337221
Found heuristic solution: objective 0.8124551

Root relaxation: objective 8.652955e-02, 11472 iterations, 4.84 seconds

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

     0     0    0.08653    0 1919    0.81246    0.08653  89.3%     -    7s
H    0     0                       0.1489229    0.08653  41.9%     -   14s
     0     0    0.08861    0 1579    0.14892    0.08861  40.5%     -   18s
     0     0    0.08861    0 1570    0.14892    0.08861  40.5%     -   19s
     0     0    0.09014    0 1567    0.14892    0.09014  39.5%     -   19s
     0     0    0.09032    0 1559    0.14892    0.09032  39.4%     -   19s
     0     0    0.09085    0 1566    0.14892    0.09085  39.0%     -   20s
     0     0    0.09090    0 1581    0.14892    0.09090  39.0%     -   20s
     0     0    0.09090    0 1586    0.14892    0.09090  39.0%     -   20s
     0     0    0.09090    0 1504    0.14892    0.09090  39.0%     -   20s
     0     2    0.09091    0 1503    0.14892    0.09091  39.0%     -   21s
H   27    27                       0.1461049    0.09153  37.4%   569   23s
*   35    28              20       0.1432575    0.09153  36.1%   544   23s
*   71    54              21       0.1425650    0.09215  35.4%   391   24s
*   78    55               8       0.1424605    0.09215  35.3%   387   24s
   100    56    0.12225    6  732    0.14246    0.09227  35.2%   374   25s
*  128    65              17       0.1417370    0.09227  34.9%   313   25s
*  129    64              17       0.1416261    0.09227  34.8%   311   25s
H  136    62                       0.1415015    0.09248  34.6%   313   25s
*  153    60               9       0.1398701    0.09249  33.9%   305   25s
*  154    56               9       0.1385550    0.09249  33.2%   303   25s

Cutting planes:
  Gomory: 5
  MIR: 8
  Zero half: 1

Explored 216 nodes (95944 simplex iterations) in 27.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.385550431502e-01, best bound 1.385550431502e-01, gap 0.0%