Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:16 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 2.680737e+04, 369 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26807.3747 0 4 - 26807.3747 - - 0s H 0 0 27080.000000 26807.3747 1.01% - 0s 0 0 27024.1538 0 2 27080.0000 27024.1538 0.21% - 0s H 0 0 27062.000000 27024.1538 0.14% - 0s 0 0 27032.0565 0 2 27062.0000 27032.0565 0.11% - 0s 0 0 27047.2016 0 2 27062.0000 27047.2016 0.05% - 0s 0 0 27050.2500 0 1 27062.0000 27050.2500 0.04% - 0s Cutting planes: Implied bound: 17 Explored 0 nodes (416 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.706200000000e+04, best bound 2.706200000000e+04, gap 0.0%