Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:05 2013 Optimize a model with 105 rows, 873 columns and 1737 nonzeros Presolve time: 0.00s Presolved: 105 rows, 873 columns, 1737 nonzeros Variable types: 864 continuous, 9 integer (9 binary) Root relaxation: objective 1.802233e+04, 94 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18022.3333 0 2 - 18022.3333 - - 0s H 0 0 18110.000000 18022.3333 0.48% - 0s 0 0 18091.0000 0 1 18110.0000 18091.0000 0.10% - 0s 0 0 18093.2093 0 1 18110.0000 18093.2093 0.09% - 0s 0 0 18098.2647 0 1 18110.0000 18098.2647 0.06% - 0s Cutting planes: Implied bound: 12 Explored 0 nodes (119 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.811000000000e+04, best bound 1.811000000000e+04, gap 0.0%