Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:10:51 2013

Optimize a model with 10 rows, 100 columns and 1000 nonzeros
Presolve time: 0.00s
Presolved: 10 rows, 100 columns, 1000 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 38172.000000

Root relaxation: objective 4.171264e+04, 30 iterations, 0.00 seconds

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

     0     0 41712.6360    0    9 38172.0000 41712.6360  9.28%     -    0s
H    0     0                    40835.000000 41712.6360  2.15%     -    0s
     0     0 41700.7067    0   13 40835.0000 41700.7067  2.12%     -    0s
     0     0 41692.8615    0   12 40835.0000 41692.8615  2.10%     -    0s
     0     0 41690.0808    0   13 40835.0000 41690.0808  2.09%     -    0s
     0     0 41689.5765    0   13 40835.0000 41689.5765  2.09%     -    0s
H    0     0                    41094.000000 41689.5765  1.45%     -    0s
     0     2 41689.4485    0   13 41094.0000 41689.4485  1.45%     -    0s
H   27    27                    41163.000000 41675.8264  1.25%   3.9    0s
H  293   237                    41229.000000 41671.8002  1.07%   3.4    0s
H  337   255                    41309.000000 41671.5411  0.88%   3.2    0s
H  518   370                    41320.000000 41661.6524  0.83%   3.2    0s
H 3775  2214                    41327.000000 41628.2573  0.73%   3.5    0s
H 8000  4273                    41395.000000 41603.4817  0.50%   3.6    0s
 75912 19266 41475.8508   22   10 41395.0000 41503.3824  0.26%   3.7    5s

Cutting planes:
  Gomory: 6
  Cover: 3
  MIR: 3

Explored 164974 nodes (575867 simplex iterations) in 9.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.139500000000e+04, best bound 4.139900000000e+04, gap 0.0097%