Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:47 2013 Optimize a model with 260 rows, 1230 columns and 2750 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 240 rows, 1210 columns, 2680 nonzeros Variable types: 1120 continuous, 90 integer (90 binary) Root relaxation: objective 1.836170e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18361.7044 0 1 - 18361.7044 - - 0s 0 0 18367.2801 0 1 - 18367.2801 - - 0s 0 0 18372.3592 0 1 - 18372.3592 - - 0s 0 0 18372.3592 0 1 - 18372.3592 - - 0s H 0 0 18422.415846 18372.3592 0.27% - 0s 0 2 18373.5313 0 1 18422.4158 18373.5313 0.27% - 0s * 4 1 3 18420.379720 18417.6393 0.01% 13.2 0s * 5 0 2 18417.639282 18417.6393 0.0% 14.0 0s Cutting planes: Gomory: 2 Explored 6 nodes (225 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.841763928198e+04, best bound 1.841763928198e+04, gap 0.0%