Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:15 2013 Optimize a model with 308 rows, 7868 columns and 15708 nonzeros Presolve time: 0.01s Presolved: 308 rows, 7868 columns, 15708 nonzeros Variable types: 7840 continuous, 28 integer (28 binary) Root relaxation: objective 3.288550e+04, 510 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 32885.4956 0 5 - 32885.4956 - - 0s H 0 0 33304.000000 32885.4956 1.26% - 0s H 0 0 33240.000000 32885.4956 1.07% - 0s 0 0 33141.0399 0 2 33240.0000 33141.0399 0.30% - 0s * 0 0 0 33151.000000 33151.0000 0.0% - 0s Cutting planes: Implied bound: 51 Explored 0 nodes (579 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.315100000000e+04, best bound 3.315100000000e+04, gap 0.0%