Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:10 2013 Optimize a model with 2650 rows, 2600 columns and 10100 nonzeros Presolve removed 100 rows and 1 columns Presolve time: 0.01s Presolved: 2550 rows, 2599 columns, 9950 nonzeros Variable types: 2550 continuous, 49 integer (49 binary) Root relaxation: objective 8.818537e+05, 301 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 881853.716 0 7 - 881853.716 - - 0s H 0 0 905951.25000 881853.716 2.66% - 0s 0 0 900541.344 0 6 905951.250 900541.344 0.60% - 0s H 0 0 901442.72500 900541.344 0.10% - 0s 0 0 900601.608 0 4 901442.725 900601.608 0.09% - 0s 0 0 900601.608 0 4 901442.725 900601.608 0.09% - 0s H 0 0 901377.21250 900601.608 0.09% - 0s 0 0 901309.694 0 1 901377.212 901309.694 0.01% - 0s Cutting planes: Gomory: 4 MIR: 1 Explored 0 nodes (458 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.013772125000e+05, best bound 9.013096937800e+05, gap 0.0075%