Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:17 2013

Optimize a model with 396 rows, 12996 columns and 25956 nonzeros
Presolve time: 0.02s
Presolved: 396 rows, 12996 columns, 25956 nonzeros
Variable types: 12960 continuous, 36 integer (36 binary)

Root relaxation: objective 3.739107e+04, 555 iterations, 0.01 seconds

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

     0     0 37391.0702    0    6          - 37391.0702     -      -    0s
H    0     0                    37916.000000 37391.0702  1.38%     -    0s
H    0     0                    37542.000000 37391.0702  0.40%     -    0s
     0     0 37525.0408    0    3 37542.0000 37525.0408  0.05%     -    0s
     0     0 37527.8820    0    4 37542.0000 37527.8820  0.04%     -    0s
     0     0 37527.8820    0    6 37542.0000 37527.8820  0.04%     -    0s
     0     0 37527.8820    0    3 37542.0000 37527.8820  0.04%     -    0s
     0     0 37527.9125    0    4 37542.0000 37527.9125  0.04%     -    0s
     0     0 37528.3394    0    3 37542.0000 37528.3394  0.04%     -    0s
     0     0 37528.3394    0    3 37542.0000 37528.3394  0.04%     -    0s
     0     0 37536.9338    0    2 37542.0000 37536.9338  0.01%     -    0s
     0     0     cutoff    0      37542.0000 37542.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 28
  Flow cover: 7

Explored 0 nodes (1098 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.754200000000e+04, best bound 3.754200000000e+04, gap 0.0%