Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:53:13 2013 Optimize a model with 1300 rows, 27950 columns and 71100 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.11s Presolved: 1250 rows, 27900 columns, 68550 nonzeros Variable types: 27600 continuous, 300 integer (300 binary) Root relaxation: objective 1.626233e+05, 2237 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 162623.326 0 15 - 162623.326 - - 0s 0 0 162658.939 0 15 - 162658.939 - - 0s 0 0 162670.093 0 18 - 162670.093 - - 0s 0 0 162672.564 0 18 - 162672.564 - - 0s 0 0 162672.713 0 15 - 162672.713 - - 0s 0 0 162672.990 0 18 - 162672.990 - - 0s 0 0 162673.259 0 18 - 162673.259 - - 0s 0 0 162674.073 0 18 - 162674.073 - - 0s 0 0 162674.213 0 18 - 162674.213 - - 0s 0 0 162675.186 0 18 - 162675.186 - - 1s 0 0 162675.839 0 18 - 162675.839 - - 1s 0 0 162676.265 0 18 - 162676.265 - - 1s 0 0 162676.300 0 18 - 162676.300 - - 1s 0 0 162676.395 0 18 - 162676.395 - - 1s 0 0 162676.762 0 18 - 162676.762 - - 1s 0 0 162676.762 0 18 - 162676.762 - - 1s H 0 0 163975.23107 162676.762 0.79% - 1s 0 2 162679.042 0 12 163975.231 162679.042 0.79% - 1s * 27 8 25 162918.06266 162783.070 0.08% 20.3 2s Cutting planes: Flow cover: 16 Explored 52 nodes (4618 simplex iterations) in 2.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.629180626645e+05, best bound 1.629081287475e+05, gap 0.0061%