Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:01:23 2013 Optimize a model with 473 rows, 18533 columns and 37023 nonzeros Presolve time: 0.03s Presolved: 473 rows, 18533 columns, 37023 nonzeros Variable types: 18490 continuous, 43 integer (43 binary) Root relaxation: objective 4.567742e+04, 741 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 45677.4240 0 6 - 45677.4240 - - 0s H 0 0 46565.000000 45677.4240 1.91% - 0s 0 0 45887.4956 0 3 46565.0000 45887.4956 1.45% - 0s H 0 0 46387.458427 45887.4956 1.08% - 0s H 0 0 46230.000000 45887.4956 0.74% - 0s 0 0 45899.0583 0 2 46230.0000 45899.0583 0.72% - 0s H 0 0 46227.393258 45899.0583 0.71% - 0s 0 0 45900.2652 0 2 46227.3933 45900.2652 0.71% - 0s 0 0 45906.4356 0 3 46227.3933 45906.4356 0.69% - 0s H 0 0 46194.000000 45906.4356 0.62% - 0s 0 0 45906.9257 0 3 46194.0000 45906.9257 0.62% - 0s 0 0 45907.2080 0 2 46194.0000 45907.2080 0.62% - 0s 0 0 45927.3429 0 1 46194.0000 45927.3429 0.58% - 0s 0 0 45927.3429 0 5 46194.0000 45927.3429 0.58% - 0s H 0 0 46020.000000 45927.3429 0.20% - 0s 0 0 45927.3429 0 2 46020.0000 45927.3429 0.20% - 0s 0 0 45927.3429 0 1 46020.0000 45927.3429 0.20% - 0s 0 0 45927.3429 0 1 46020.0000 45927.3429 0.20% - 0s 0 0 45927.3429 0 2 46020.0000 45927.3429 0.20% - 0s 0 0 45927.3429 0 1 46020.0000 45927.3429 0.20% - 0s 0 0 45927.3429 0 1 46020.0000 45927.3429 0.20% - 0s 0 0 45930.1875 0 1 46020.0000 45930.1875 0.20% - 0s 0 0 45968.9948 0 1 46020.0000 45968.9948 0.11% - 0s 0 0 46008.1042 0 2 46020.0000 46008.1042 0.03% - 0s 0 0 cutoff 0 46020.0000 46020.0000 0.0% - 0s Cutting planes: Implied bound: 41 Explored 0 nodes (1764 simplex iterations) in 0.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.602000000000e+04, best bound 4.602000000000e+04, gap 0.0%