Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:47:21 2012

Optimize a model with 44050 rows, 41412 columns and 172548 nonzeros
Presolve removed 22 rows and 4062 columns
Presolve time: 0.95s
Presolved: 44028 rows, 37350 columns, 168054 nonzeros
Variable types: 0 continuous, 37350 integer (37350 binary)
Found heuristic solution: objective 203.0000000

Root relaxation: objective 2.000000e+00, 26475 iterations, 2.15 seconds
Total elapsed time = 6.18s

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

     0     0    2.00000    0  344  203.00000    2.00000  99.0%     -    7s
H    0     0                     163.0000000    2.00000  98.8%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    7s

Cutting planes:
  Gomory: 2
  Zero half: 29

Explored 0 nodes (88136 simplex iterations) in 7.71 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%