Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:36:36 2012

Optimize a model with 30099 rows, 30800 columns and 120223 nonzeros
Presolve removed 24 rows and 3852 columns
Presolve time: 0.63s
Presolved: 30075 rows, 26948 columns, 116029 nonzeros
Variable types: 0 continuous, 26948 integer (26948 binary)
Found heuristic solution: objective 175.0000000

Root relaxation: objective 2.000000e+00, 19071 iterations, 1.19 seconds

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

     0     0    2.00000    0  262  175.00000    2.00000  98.9%     -    3s
H    0     0                     124.0000000    2.00000  98.4%     -    4s
H    0     0                       4.0000000    2.00000  50.0%     -    4s
H    0     0                       3.0000000    2.00000  33.3%     -    4s

Cutting planes:
  Zero half: 2

Explored 0 nodes (62353 simplex iterations) in 4.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%