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 9.684964e+05, 359 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 968496.366 0 5 - 968496.366 - - 0s H 0 0 980951.25000 968496.366 1.27% - 0s H 0 0 972394.41250 968496.366 0.40% - 0s H 0 0 971377.21250 968496.366 0.30% - 0s 0 0 968537.769 0 9 971377.212 968537.769 0.29% - 0s 0 0 968537.769 0 5 971377.212 968537.769 0.29% - 0s 0 0 968537.769 0 9 971377.212 968537.769 0.29% - 0s 0 0 968538.521 0 7 971377.212 968538.521 0.29% - 0s 0 0 968624.173 0 7 971377.212 968624.173 0.28% - 0s 0 0 968629.041 0 9 971377.212 968629.041 0.28% - 0s 0 0 969043.840 0 6 971377.212 969043.840 0.24% - 0s 0 0 969855.724 0 5 971377.212 969855.724 0.16% - 0s H 0 0 970567.75000 969855.724 0.07% - 0s 0 2 969958.422 0 5 970567.750 969958.422 0.06% - 0s Cutting planes: Gomory: 1 Explored 2 nodes (622 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.705677500000e+05, best bound 9.705183050211e+05, gap 0.0051%