Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:33 2013

Optimize a model with 462 rows, 17682 columns and 35322 nonzeros
Presolve time: 0.03s
Presolved: 462 rows, 17682 columns, 35322 nonzeros
Variable types: 17640 continuous, 42 integer (42 binary)

Root relaxation: objective 4.536364e+04, 707 iterations, 0.01 seconds

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

     0     0 45363.6393    0    7          - 45363.6393     -      -    0s
H    0     0                    46323.000000 45363.6393  2.07%     -    0s
     0     0 45649.3684    0    2 46323.0000 45649.3684  1.45%     -    0s
     0     0 45657.2573    0    2 46323.0000 45657.2573  1.44%     -    0s
     0     0 45657.4748    0    4 46323.0000 45657.4748  1.44%     -    0s
H    0     0                    46289.000000 45657.4748  1.36%     -    0s
H    0     0                    45728.000000 45657.4748  0.15%     -    0s
     0     0 45659.2941    0    3 45728.0000 45659.2941  0.15%     -    0s
     0     0 45659.2941    0    7 45728.0000 45659.2941  0.15%     -    0s
     0     0 45659.2941    0    2 45728.0000 45659.2941  0.15%     -    0s
     0     0 45659.2941    0    2 45728.0000 45659.2941  0.15%     -    0s
     0     0 45659.2941    0    3 45728.0000 45659.2941  0.15%     -    0s
     0     0 45660.3212    0    2 45728.0000 45660.3212  0.15%     -    0s
     0     2 45666.4615    0    2 45728.0000 45666.4615  0.13%     -    0s
*    2     2               2    45704.000000 45692.2456  0.03%  26.0    0s
*    4     1               3    45694.000000 45694.0000   0.0%  14.2    0s

Cutting planes:
  Implied bound: 37
  Flow cover: 3

Explored 5 nodes (1660 simplex iterations) in 0.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.569400000000e+04, best bound 4.569400000000e+04, gap 0.0%