Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:28 2013

Optimize a model with 18102 rows, 17682 columns and 70602 nonzeros
Presolve removed 938 rows and 0 columns
Presolve time: 0.10s
Presolved: 17164 rows, 17682 columns, 68726 nonzeros
Variable types: 17640 continuous, 42 integer (42 binary)

Root relaxation: objective 4.598707e+04, 2746 iterations, 0.20 seconds

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

     0     0 45987.0690    0    2          - 45987.0690     -      -    0s
H    0     0                    46432.000000 45987.0690  0.96%     -    0s
     0     0 45987.4460    0    3 46432.0000 45987.4460  0.96%     -    0s
H    0     0                    46057.000000 45987.4460  0.15%     -    0s
     0     0 45987.4460    0    3 46057.0000 45987.4460  0.15%     -    0s
     0     0 46007.1111    0    2 46057.0000 46007.1111  0.11%     -    0s
     0     0 46007.1111    0    2 46057.0000 46007.1111  0.11%     -    0s
     0     0 46007.1111    0    2 46057.0000 46007.1111  0.11%     -    0s
     0     0 46007.8052    0    3 46057.0000 46007.8052  0.11%     -    0s
     0     0 46041.3375    0    3 46057.0000 46041.3375  0.03%     -    1s
     0     0     cutoff    0      46057.0000 46057.0000   0.0%     -    1s

Cutting planes:
  Gomory: 1

Explored 0 nodes (3736 simplex iterations) in 1.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.605700000000e+04, best bound 4.605700000000e+04, gap 0.0%