Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:12 2013

Optimize a model with 5 rows, 100 columns and 500 nonzeros
Presolve time: 0.00s
Presolved: 5 rows, 100 columns, 500 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 36948.000000

Root relaxation: objective 4.270670e+04, 13 iterations, 0.00 seconds

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

     0     0 42706.7021    0    5 36948.0000 42706.7021  15.6%     -    0s
H    0     0                    42385.000000 42706.7021  0.76%     -    0s
     0     0 42696.8225    0    8 42385.0000 42696.8225  0.74%     -    0s
     0     0 42695.6876    0    8 42385.0000 42695.6876  0.73%     -    0s
     0     0 42690.6398    0   10 42385.0000 42690.6398  0.72%     -    0s
     0     0 42688.7646    0   11 42385.0000 42688.7646  0.72%     -    0s
     0     0 42687.7242    0   12 42385.0000 42687.7242  0.71%     -    0s
     0     2 42686.9684    0   12 42385.0000 42686.9684  0.71%     -    0s
H  264   141                    42545.000000 42674.4755  0.30%   2.2    0s

Cutting planes:
  Gomory: 2
  Cover: 2
  MIR: 3
  Zero half: 1

Explored 10200 nodes (22613 simplex iterations) in 0.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.254500000000e+04, best bound 4.254900000000e+04, gap 0.0094%