Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:44 2013 Optimize a model with 209 rows, 3629 columns and 7239 nonzeros Presolve time: 0.00s Presolved: 209 rows, 3629 columns, 7239 nonzeros Variable types: 3610 continuous, 19 integer (19 binary) Root relaxation: objective 1.756375e+04, 153 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17563.7454 0 6 - 17563.7454 - - 0s H 0 0 17719.000000 17563.7454 0.88% - 0s H 0 0 17673.000000 17563.7454 0.62% - 0s 0 0 17658.9672 0 2 17673.0000 17658.9672 0.08% - 0s 0 0 17659.0000 0 1 17673.0000 17659.0000 0.08% - 0s * 0 0 0 17668.000000 17668.0000 0.0% - 0s Cutting planes: Implied bound: 14 Flow cover: 2 Explored 0 nodes (197 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.766800000000e+04, best bound 1.766800000000e+04, gap 0.0%