Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:16 2013 Optimize a model with 308 rows, 7868 columns and 15708 nonzeros Presolve time: 0.01s Presolved: 308 rows, 7868 columns, 15708 nonzeros Variable types: 7840 continuous, 28 integer (28 binary) Root relaxation: objective 2.646554e+04, 312 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26465.5390 0 5 - 26465.5390 - - 0s H 0 0 26810.000000 26465.5390 1.28% - 0s H 0 0 26806.000000 26465.5390 1.27% - 0s 0 0 26760.2002 0 4 26806.0000 26760.2002 0.17% - 0s 0 0 26783.0400 0 2 26806.0000 26783.0400 0.09% - 0s 0 0 26784.0000 0 1 26806.0000 26784.0000 0.08% - 0s 0 0 26784.0000 0 5 26806.0000 26784.0000 0.08% - 0s 0 0 26784.0000 0 4 26806.0000 26784.0000 0.08% - 0s 0 0 26784.0000 0 2 26806.0000 26784.0000 0.08% - 0s 0 0 26784.0000 0 1 26806.0000 26784.0000 0.08% - 0s 0 0 26785.7901 0 2 26806.0000 26785.7901 0.08% - 0s 0 0 cutoff 0 26806.0000 26806.0000 0.0% - 0s Cutting planes: Implied bound: 37 Explored 0 nodes (704 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.680600000000e+04, best bound 2.680600000000e+04, gap 0.0%