Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:10:42 2013 Optimize a model with 847 rows, 59367 columns and 118657 nonzeros Presolve time: 0.09s Presolved: 847 rows, 59367 columns, 118657 nonzeros Variable types: 59290 continuous, 77 integer (77 binary) Root relaxation: objective 9.409851e+04, 2493 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 94098.5133 0 5 - 94098.5133 - - 0s H 0 0 97910.000000 94098.5133 3.89% - 0s H 0 0 95483.000000 94098.5133 1.45% - 0s 0 0 94343.2538 0 4 95483.0000 94343.2538 1.19% - 0s 0 0 94366.7771 0 3 95483.0000 94366.7771 1.17% - 0s 0 0 94374.4303 0 3 95483.0000 94374.4303 1.16% - 0s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 0s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 0s 0 0 94377.1576 0 5 95483.0000 94377.1576 1.16% - 1s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 1s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 1s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 1s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 1s 0 0 94377.1576 0 3 95483.0000 94377.1576 1.16% - 1s H 0 0 94729.000000 94377.1576 0.37% - 2s 0 2 94379.9632 0 3 94729.0000 94379.9632 0.37% - 2s * 25 3 4 94709.000000 94572.8205 0.14% 65.4 2s Cutting planes: Implied bound: 94 Flow cover: 2 Explored 32 nodes (8107 simplex iterations) in 2.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.470900000000e+04, best bound 9.470900000000e+04, gap 0.0%