Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:58 2013

Optimize a model with 16480 rows, 16080 columns and 64080 nonzeros
Presolve removed 40 rows and 0 columns
Presolve time: 0.07s
Presolved: 16440 rows, 16080 columns, 64040 nonzeros
Variable types: 16040 continuous, 40 integer (40 binary)

Root relaxation: objective 3.812421e+04, 2393 iterations, 0.53 seconds

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

     0     0 38124.2143    0   36          - 38124.2143     -      -    0s
H    0     0                    46145.000000 38124.2143  17.4%     -    0s
     0     0 43516.8381    0    5 46145.0000 43516.8381  5.70%     -    1s
H    0     0                    44680.377663 43516.8381  2.60%     -    1s
H    0     0                    43982.000000 43516.8381  1.06%     -    1s
     0     0 43517.4218    0    3 43982.0000 43517.4218  1.06%     -    1s
H    0     0                    43890.129549 43517.4218  0.85%     -    1s
H    0     0                    43746.000000 43517.4218  0.52%     -    1s
     0     0 43529.5444    0    3 43746.0000 43529.5444  0.49%     -    1s
     0     0 43533.4958    0    2 43746.0000 43533.4958  0.49%     -    1s
     0     2 43536.5441    0    2 43746.0000 43536.5441  0.48%     -    1s
H    1     1                    43643.000000 43536.5441  0.24%   0.0    1s
H    2     2                    43633.615385 43536.5441  0.22%   2.5    1s
H    4     2                    43624.930693 43536.5441  0.20%  46.5    1s
*    5     2               4    43566.000000 43536.5441  0.07%  42.2    1s

Cutting planes:
  Gomory: 2
  Implied bound: 34

Explored 8 nodes (3860 simplex iterations) in 1.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.356600000000e+04, best bound 4.356600000000e+04, gap 0.0%