Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:15 2013

Optimize a model with 594 rows, 29214 columns and 58374 nonzeros
Presolve time: 0.04s
Presolved: 594 rows, 29214 columns, 58374 nonzeros
Variable types: 29160 continuous, 54 integer (54 binary)

Root relaxation: objective 4.574476e+04, 879 iterations, 0.02 seconds

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

     0     0 45744.7599    0   11          - 45744.7599     -      -    0s
H    0     0                    49889.000000 45744.7599  8.31%     -    0s
H    0     0                    46766.000000 45744.7599  2.18%     -    0s
     0     0 46485.4099    0    6 46766.0000 46485.4099  0.60%     -    0s
     0     0 46580.5073    0    7 46766.0000 46580.5073  0.40%     -    0s
     0     0 46589.7132    0    6 46766.0000 46589.7132  0.38%     -    0s
     0     0 46589.9138    0    6 46766.0000 46589.9138  0.38%     -    0s
     0     0 46589.9445    0    6 46766.0000 46589.9445  0.38%     -    0s
     0     0 46589.9445    0    6 46766.0000 46589.9445  0.38%     -    0s
     0     0 46604.3450    0    5 46766.0000 46604.3450  0.35%     -    0s
H    0     0                    46699.000000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0   10 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    5 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    8 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    5 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    5 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    5 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.3450    0    5 46699.0000 46604.3450  0.20%     -    0s
     0     0 46604.4994    0    4 46699.0000 46604.4994  0.20%     -    0s
     0     0 46604.6032    0    5 46699.0000 46604.6032  0.20%     -    0s
     0     0 46614.5841    0    4 46699.0000 46614.5841  0.18%     -    0s
     0     2 46615.4446    0    4 46699.0000 46615.4446  0.18%     -    1s

Cutting planes:
  Implied bound: 67
  Flow cover: 10

Explored 9 nodes (2406 simplex iterations) in 1.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.669900000000e+04, best bound 4.669900000000e+04, gap 0.0%