Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:08 2013 Optimize a model with 1350 rows, 1300 columns and 5050 nonzeros Presolve removed 75 rows and 1 columns Presolve time: 0.01s Presolved: 1275 rows, 1299 columns, 4925 nonzeros Variable types: 1275 continuous, 24 integer (24 binary) Root relaxation: objective 1.013088e+06, 241 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1013088.06 0 13 - 1013088.06 - - 0s H 0 0 1129933.5875 1013088.06 10.3% - 0s 0 0 1067469.48 0 5 1129933.59 1067469.48 5.53% - 0s H 0 0 1124223.2682 1067469.48 5.05% - 0s H 0 0 1069369.5250 1067469.48 0.18% - 0s 0 0 1069300.97 0 1 1069369.52 1069300.97 0.01% - 0s Cutting planes: Implied bound: 12 Explored 0 nodes (389 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069369525000e+06, best bound 1.069300973271e+06, gap 0.0064%