Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:00 2013

Optimize a model with 63 rows, 49 columns and 168 nonzeros
Presolve removed 21 rows and 21 columns
Presolve time: 0.00s
Presolved: 42 rows, 28 columns, 126 nonzeros
Variable types: 7 continuous, 21 integer (21 binary)
Found heuristic solution: objective 1059.0000000

Root relaxation: objective 3.420000e+02, 14 iterations, 0.00 seconds

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

     0     0  342.00000    0   10 1059.00000  342.00000  67.7%     -    0s
     0     0  429.45059    0   12 1059.00000  429.45059  59.4%     -    0s
     0     0  432.47835    0   16 1059.00000  432.47835  59.2%     -    0s
     0     0  448.74656    0   16 1059.00000  448.74656  57.6%     -    0s
     0     0  452.68783    0   15 1059.00000  452.68783  57.3%     -    0s
     0     0  452.97868    0   16 1059.00000  452.97868  57.2%     -    0s
     0     0  452.97868    0   15 1059.00000  452.97868  57.2%     -    0s
H    0     0                     721.0000000  452.97868  37.2%     -    0s
     0     2  453.50373    0   15  721.00000  453.50373  37.1%     -    0s
*   23    20              13     715.0000000  455.79951  36.3%   4.0    0s
*   25    17              12     706.0000000  455.79951  35.4%   3.7    0s
*  133    29              10     687.0000000  532.53873  22.5%   3.8    0s
*  148    25              10     670.0000000  532.53873  20.5%   3.6    0s

Cutting planes:
  Implied bound: 11
  MIR: 34

Explored 317 nodes (1143 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.700000000000e+02, best bound 6.700000000000e+02, gap 0.0%