Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:54:21 2013

Optimize a model with 18472 rows, 2304 columns and 56448 nonzeros
Presolve removed 3354 rows and 1212 columns
Presolve time: 0.13s
Presolved: 15118 rows, 1092 columns, 46024 nonzeros
Variable types: 15 continuous, 1077 integer (1077 binary)
Found heuristic solution: objective 46328.000000

Root relaxation: objective 3.499143e+04, 2890 iterations, 0.14 seconds

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

     0     0 34991.4262    0    8 46328.0000 34991.4262  24.5%     -    0s
H    0     0                    35012.000000 34991.4262  0.06%     -    0s
H    0     0                    35004.000000 34991.4262  0.04%     -    0s
     0     0 34994.2194    0   19 35004.0000 34994.2194  0.03%     -    0s
     0     0 34994.2194    0    8 35004.0000 34994.2194  0.03%     -    0s
     0     0 34994.2194    0   19 35004.0000 34994.2194  0.03%     -    0s
H    0     0                    34997.000000 34994.2194  0.01%     -    0s

Cutting planes:
  Gomory: 1
  MIR: 7

Explored 0 nodes (3035 simplex iterations) in 0.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.499700000000e+04, best bound 3.499500000000e+04, gap 0.0057%