Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:12 2013 Optimize a model with 48 rows, 96 columns and 398 nonzeros Presolve removed 22 rows and 24 columns Presolve time: 0.00s Presolved: 26 rows, 72 columns, 312 nonzeros Variable types: 62 continuous, 10 integer (10 binary) Root relaxation: objective 3.881594e+03, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3881.59364 0 3 - 3881.59364 - - 0s 0 0 3881.86365 0 3 - 3881.86365 - - 0s 0 0 3885.98037 0 3 - 3885.98037 - - 0s 0 0 3886.36117 0 4 - 3886.36117 - - 0s 0 0 3888.92874 0 3 - 3888.92874 - - 0s 0 0 3893.67048 0 1 - 3893.67048 - - 0s * 0 0 0 3893.8380717 3893.83807 0.0% - 0s Cutting planes: Implied bound: 2 Explored 0 nodes (50 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.893838071713e+03, best bound 3.893838071713e+03, gap 0.0%