Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:31 2013 Optimize a model with 2752 rows, 2592 columns and 10272 nonzeros Presolve removed 16 rows and 0 columns Presolve time: 0.01s Presolved: 2736 rows, 2592 columns, 10256 nonzeros Variable types: 2576 continuous, 16 integer (16 binary) Root relaxation: objective 1.370540e+04, 276 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 13705.4031 0 9 - 13705.4031 - - 0s H 0 0 14391.000000 13705.4031 4.76% - 0s 0 0 14096.2500 0 1 14391.0000 14096.2500 2.05% - 0s H 0 0 14329.000000 14096.2500 1.62% - 0s H 0 0 14102.000000 14096.2500 0.04% - 0s Cutting planes: Implied bound: 8 Explored 0 nodes (331 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.410200000000e+04, best bound 1.410200000000e+04, gap 0.0%