Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:40 2013 Optimize a model with 946 rows, 74046 columns and 148006 nonzeros Presolve time: 0.12s Presolved: 946 rows, 74046 columns, 148006 nonzeros Variable types: 73960 continuous, 86 integer (86 binary) Root relaxation: objective 1.029353e+05, 2876 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 102935.343 0 8 - 102935.343 - - 0s H 0 0 108795.00000 102935.343 5.39% - 0s H 0 0 104589.00000 102935.343 1.58% - 0s 0 0 103163.272 0 4 104589.000 103163.272 1.36% - 0s 0 0 103177.778 0 5 104589.000 103177.778 1.35% - 0s 0 0 103183.497 0 5 104589.000 103183.497 1.34% - 0s 0 0 103193.129 0 3 104589.000 103193.129 1.33% - 1s 0 0 103193.129 0 3 104589.000 103193.129 1.33% - 1s 0 0 103193.401 0 5 104589.000 103193.401 1.33% - 1s 0 0 103193.672 0 4 104589.000 103193.672 1.33% - 1s 0 0 103193.672 0 4 104589.000 103193.672 1.33% - 1s H 0 0 103258.00000 103193.672 0.06% - 1s 0 0 103193.672 0 4 103258.000 103193.672 0.06% - 2s 0 0 103234.271 0 3 103258.000 103234.271 0.02% - 2s 0 0 103240.579 0 3 103258.000 103240.579 0.02% - 2s 0 0 103242.213 0 2 103258.000 103242.213 0.02% - 2s 0 0 103242.213 0 2 103258.000 103242.213 0.02% - 2s 0 0 103242.213 0 2 103258.000 103242.213 0.02% - 2s 0 0 103242.213 0 2 103258.000 103242.213 0.02% - 2s 0 0 103244.567 0 1 103258.000 103244.567 0.01% - 2s Cutting planes: Implied bound: 25 Flow cover: 4 Explored 0 nodes (5257 simplex iterations) in 2.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.032580000000e+05, best bound 1.032580000000e+05, gap 0.0%