Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:25 2013 Optimize a model with 165 rows, 2265 columns and 4515 nonzeros Presolve time: 0.00s Presolved: 165 rows, 2265 columns, 4515 nonzeros Variable types: 2250 continuous, 15 integer (15 binary) Root relaxation: objective 1.808651e+04, 151 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18086.5050 0 2 - 18086.5050 - - 0s H 0 0 18169.000000 18086.5050 0.45% - 0s 0 0 cutoff 0 18169.0000 18169.0000 0.0% - 0s Cutting planes: Implied bound: 28 Flow cover: 2 Explored 0 nodes (155 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.816900000000e+04, best bound 1.816900000000e+04, gap 0.0%