Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:52 2013

Optimize a model with 45 rows, 36 columns and 120 nonzeros
Presolve removed 15 rows and 15 columns
Presolve time: 0.00s
Presolved: 30 rows, 21 columns, 90 nonzeros
Variable types: 6 continuous, 15 integer (15 binary)

Root relaxation: objective 3.440000e+02, 13 iterations, 0.00 seconds

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

     0     0  344.00000    0    6          -  344.00000     -      -    0s
H    0     0                     489.0000000  344.00000  29.7%     -    0s
H    0     0                     488.0000000  344.00000  29.5%     -    0s
     0     0  394.60829    0    3  488.00000  394.60829  19.1%     -    0s
     0     0  405.00000    0    3  488.00000  405.00000  17.0%     -    0s
     0     0  405.33233    0    6  488.00000  405.33233  16.9%     -    0s
     0     0  405.33233    0    5  488.00000  405.33233  16.9%     -    0s
     0     2  405.49513    0    5  488.00000  405.49513  16.9%     -    0s
*    5     4               4     475.0000000  415.78125  12.5%   2.6    0s
*    6     3               4     433.0000000  415.78125  3.98%   2.3    0s

Cutting planes:
  MIR: 14

Explored 12 nodes (61 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.330000000000e+02, best bound 4.330000000000e+02, gap 0.0%