Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:35 2013

Optimize a model with 108 rows, 81 columns and 288 nonzeros
Presolve removed 36 rows and 36 columns
Presolve time: 0.00s
Presolved: 72 rows, 45 columns, 216 nonzeros
Variable types: 9 continuous, 36 integer (36 binary)
Found heuristic solution: objective 2065.0000000

Root relaxation: objective 3.510000e+02, 28 iterations, 0.00 seconds

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

     0     0  351.00000    0   23 2065.00000  351.00000  83.0%     -    0s
H    0     0                    2060.0000000  351.00000  83.0%     -    0s
     0     0  560.06043    0   18 2060.00000  560.06043  72.8%     -    0s
     0     0  570.92741    0   19 2060.00000  570.92741  72.3%     -    0s
     0     0  570.92741    0   19 2060.00000  570.92741  72.3%     -    0s
H    0     0                    1449.0000000  570.92741  60.6%     -    0s
     0     2  571.66241    0   19 1449.00000  571.66241  60.5%     -    0s
H   54    41                    1338.0000000  610.02785  54.4%   4.0    0s
H  236   138                    1302.0000000  765.56743  41.2%   3.3    0s
*  346   165              11    1298.0000000  805.05882  38.0%   3.4    0s
*  348   163              10    1290.0000000  805.05882  37.6%   3.4    0s
H  613   213                    1285.0000000  878.30020  31.6%   3.2    0s
H  846   203                    1275.0000000  878.30020  31.1%   4.1    0s
H 1607   184                    1270.0000000  878.30020  30.8%   3.8    0s

Cutting planes:
  Gomory: 11
  Implied bound: 3
  MIR: 12

Explored 3567 nodes (10743 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.270000000000e+03, best bound 1.270000000000e+03, gap 0.0%