Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:49 2013 Optimize a model with 140 rows, 1130 columns and 2340 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 130 rows, 1120 columns, 2230 nonzeros Variable types: 1120 continuous, 0 integer (0 binary) Root relaxation: objective 1.791602e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17916.0191 0 3 - 17916.0191 - - 0s H 0 0 17999.520498 17916.0191 0.46% - 0s 0 2 17916.0191 0 3 17999.5205 17916.0191 0.46% - 0s * 12 2 6 17984.059480 17983.5580 0.00% 1.4 0s Explored 13 nodes (130 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.798405947960e+04, best bound 1.798355800305e+04, gap 0.0028%