Gurobi 5.6.3 (linux64) logging started Wed Oct  8 00:19:51 2014

Optimize a model with 26244 rows, 26083 columns and 103845 nonzeros
Presolve time: 0.62s
Presolved: 26244 rows, 26083 columns, 103845 nonzeros
Variable types: 1 continuous, 26082 integer (26082 binary)
Found heuristic solution: objective 1.0686139
Found heuristic solution: objective 0.9979048
Found heuristic solution: objective 0.8978152

Root relaxation: objective 9.690769e-02, 7561 iterations, 2.12 seconds

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

     0     0    0.09691    0 1500    0.89782    0.09691  89.2%     -    3s
H    0     0                       0.2805468    0.09691  65.5%     -    3s
     0     0    0.09692    0 1513    0.28055    0.09692  65.5%     -    5s
     0     0    0.09692    0 1506    0.28055    0.09692  65.5%     -    6s
H    0     0                       0.2796853    0.09692  65.3%     -    6s
     0     0    0.09692    0 1525    0.27969    0.09692  65.3%     -    6s
     0     0    0.09706    0 1419    0.27969    0.09706  65.3%     -    7s
H    0     0                       0.2298385    0.09706  57.8%     -    7s
     0     0    0.09713    0 1491    0.22984    0.09713  57.7%     -    7s
     0     2    0.09714    0 1491    0.22984    0.09714  57.7%     -   39s
H    1     2                       0.1618538    0.09714  40.0%   888   41s
    12    10    0.11260    0 1015    0.16185    0.11260  30.4%  74.0   45s
H   13     9                       0.1611858    0.11260  30.1%  68.3   45s
H   41    27                       0.1604341    0.11502  28.3%   596   46s
*   65    39              27       0.1599318    0.11506  28.1%   445   46s
H  122    73                       0.1571082    0.11874  24.4%   317   47s
*  147    72              25       0.1570649    0.12186  22.4%   296   48s
*  170    76              42       0.1568173    0.12186  22.3%   261   48s
*  290    67              21       0.1561218    0.12968  16.9%   197   49s

Cutting planes:
  Gomory: 3
  MIR: 45
  Zero half: 4
  Mod-K: 1

Explored 373 nodes (84819 simplex iterations) in 49.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.561218266035e-01, best bound 1.561218266035e-01, gap 0.0%