Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:11 2013 Optimize a model with 2600 rows, 2550 columns and 10050 nonzeros Presolve removed 50 rows and 1 columns Presolve time: 0.01s Presolved: 2550 rows, 2549 columns, 9949 nonzeros Variable types: 2500 continuous, 49 integer (49 binary) Root relaxation: objective 1.060778e+06, 554 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060778.25 0 6 - 1060778.25 - - 0s H 0 0 1081933.6875 1060778.25 1.96% - 0s H 0 0 1068034.8750 1060778.25 0.68% - 0s 0 0 1061015.26 0 9 1068034.87 1061015.26 0.66% - 0s 0 0 1061015.26 0 6 1068034.87 1061015.26 0.66% - 0s 0 0 1061015.26 0 9 1068034.87 1061015.26 0.66% - 0s 0 0 1061282.25 0 9 1068034.87 1061282.25 0.63% - 0s 0 0 1061385.57 0 12 1068034.87 1061385.57 0.62% - 0s 0 0 1061527.54 0 8 1068034.87 1061527.54 0.61% - 0s 0 0 1061632.80 0 10 1068034.87 1061632.80 0.60% - 0s 0 0 1061657.82 0 5 1068034.87 1061657.82 0.60% - 0s 0 0 1061711.47 0 10 1068034.87 1061711.47 0.59% - 0s 0 0 1061714.99 0 14 1068034.87 1061714.99 0.59% - 0s 0 0 1061735.61 0 8 1068034.87 1061735.61 0.59% - 0s 0 0 1061736.41 0 8 1068034.87 1061736.41 0.59% - 0s H 0 0 1063356.4875 1061736.41 0.15% - 0s 0 1 1062399.71 0 5 1063356.49 1062399.71 0.09% - 0s Cutting planes: Gomory: 1 Flow cover: 6 Explored 5 nodes (1177 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063356487500e+06, best bound 1.063356487500e+06, gap 0.0%