Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:20 2013 Optimize a model with 8176 rows, 7896 columns and 31416 nonzeros Presolve removed 28 rows and 0 columns Presolve time: 0.04s Presolved: 8148 rows, 7896 columns, 31388 nonzeros Variable types: 7868 continuous, 28 integer (28 binary) Root relaxation: objective 2.289987e+04, 859 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22899.8693 0 17 - 22899.8693 - - 0s H 0 0 24525.000000 22899.8693 6.63% - 0s 0 0 23513.7043 0 4 24525.0000 23513.7043 4.12% - 0s H 0 0 24287.652439 23513.7043 3.19% - 0s H 0 0 24083.000000 23513.7043 2.36% - 0s 0 0 23518.3684 0 3 24083.0000 23518.3684 2.34% - 0s H 0 0 24002.000000 23518.3684 2.01% - 0s 0 0 23523.6471 0 1 24002.0000 23523.6471 1.99% - 0s H 0 0 23742.000000 23523.6471 0.92% - 0s H 0 0 23628.000000 23523.6471 0.44% - 0s 0 0 23525.0250 0 1 23628.0000 23525.0250 0.44% - 0s H 0 0 23600.000000 23525.0250 0.32% - 0s 0 2 23525.1524 0 1 23600.0000 23525.1524 0.32% - 0s * 7 2 6 23588.000000 23580.2899 0.03% 45.0 0s Cutting planes: Gomory: 1 Implied bound: 19 Explored 9 nodes (1642 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.358800000000e+04, best bound 2.358800000000e+04, gap 0.0%