Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:15 2013

Optimize a model with 84 rows, 64 columns and 224 nonzeros
Presolve removed 28 rows and 28 columns
Presolve time: 0.00s
Presolved: 56 rows, 36 columns, 168 nonzeros
Variable types: 8 continuous, 28 integer (28 binary)
Found heuristic solution: objective 1770.0000000

Root relaxation: objective 2.450000e+02, 23 iterations, 0.00 seconds

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

     0     0  245.00000    0   17 1770.00000  245.00000  86.2%     -    0s
     0     0  398.22672    0    7 1770.00000  398.22672  77.5%     -    0s
     0     0  412.33604    0   11 1770.00000  412.33604  76.7%     -    0s
     0     0  414.46386    0   11 1770.00000  414.46386  76.6%     -    0s
     0     0  421.17485    0   11 1770.00000  421.17485  76.2%     -    0s
     0     0  421.27149    0   11 1770.00000  421.27149  76.2%     -    0s
     0     0  421.27149    0   11 1770.00000  421.27149  76.2%     -    0s
H    0     0                     730.0000000  421.27149  42.3%     -    0s
     0     2  433.57387    0   11  730.00000  433.57387  40.6%     -    0s

Cutting planes:
  Implied bound: 13
  MIR: 39

Explored 226 nodes (945 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.299999999995e+02, best bound 7.299999999995e+02, gap 0.0%