Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:51:41 2012

Optimize a model with 10625 rows, 15750 columns and 47125 nonzeros
Presolve removed 30 rows and 3750 columns
Presolve time: 0.18s
Presolved: 10595 rows, 12000 columns, 43375 nonzeros
Variable types: 0 continuous, 12000 integer (12000 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 2.000000e+00, 8844 iterations, 0.28 seconds

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

     0     0    2.00000    0   84   41.00000    2.00000  95.1%     -    1s
H    0     0                       4.0000000    2.00000  50.0%     -    1s
     0     0    2.00000    0  283    4.00000    2.00000  50.0%     -    3s
H    0     0                       3.0000000    2.00000  33.3%     -    3s
     0     0    2.00000    0   84    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0  186    3.00000    2.00000  33.3%     -   11s
     0     0    2.00000    0  235    3.00000    2.00000  33.3%     -   15s
     0     0    2.00000    0   84    3.00000    2.00000  33.3%     -   23s
     0     0    2.00000    0  180    3.00000    2.00000  33.3%     -   30s
     0     0    2.00000    0  192    3.00000    2.00000  33.3%     -   36s
     0     0    2.00000    0  182    3.00000    2.00000  33.3%     -   39s
     0     2    2.00000    0  182    3.00000    2.00000  33.3%     -   43s
     2     3    2.00000    1  182    3.00000    2.00000  33.3%  7289   45s
     5     5    2.00000    1  186    3.00000    2.00000  33.3%  2916   53s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 6 nodes (270037 simplex iterations) in 53.58 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%