Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:34 2013 Optimize a model with 187 rows, 2907 columns and 5797 nonzeros Presolve time: 0.00s Presolved: 187 rows, 2907 columns, 5797 nonzeros Variable types: 2890 continuous, 17 integer (17 binary) Root relaxation: objective 2.382104e+04, 255 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23821.0427 0 3 - 23821.0427 - - 0s H 0 0 23991.000000 23821.0427 0.71% - 0s 0 0 23969.9362 0 1 23991.0000 23969.9362 0.09% - 0s H 0 0 23971.000000 23969.9362 0.00% - 0s Cutting planes: Implied bound: 17 Explored 0 nodes (292 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.397100000000e+04, best bound 2.396993617021e+04, gap 0.0044%