Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:01:22 2013 Optimize a model with 902 rows, 67322 columns and 134562 nonzeros Presolve time: 0.10s Presolved: 902 rows, 67322 columns, 134562 nonzeros Variable types: 67240 continuous, 82 integer (82 binary) Root relaxation: objective 1.074136e+05, 3072 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 107413.568 0 7 - 107413.568 - - 0s H 0 0 116139.00000 107413.568 7.51% - 0s 0 0 107531.634 0 7 116139.000 107531.634 7.41% - 0s 0 0 107554.067 0 6 116139.000 107554.067 7.39% - 0s H 0 0 115748.00000 107554.067 7.08% - 0s 0 0 107554.352 0 6 115748.000 107554.352 7.08% - 0s 0 0 107555.144 0 6 115748.000 107555.144 7.08% - 0s H 0 0 112918.00000 107555.144 4.75% - 1s 0 0 107555.237 0 5 112918.000 107555.237 4.75% - 1s H 0 0 112830.00000 107555.237 4.67% - 1s 0 0 107555.237 0 5 112830.000 107555.237 4.67% - 1s H 0 0 112788.00000 107555.237 4.64% - 1s 0 0 107555.237 0 5 112788.000 107555.237 4.64% - 1s 0 0 107555.237 0 5 112788.000 107555.237 4.64% - 1s H 0 0 107702.00000 107555.237 0.14% - 1s 0 0 107555.237 0 5 107702.000 107555.237 0.14% - 2s 0 0 107555.901 0 5 107702.000 107555.901 0.14% - 2s 0 0 107567.774 0 5 107702.000 107567.774 0.12% - 2s 0 0 107585.303 0 4 107702.000 107585.303 0.11% - 2s 0 0 107585.457 0 4 107702.000 107585.457 0.11% - 2s 0 0 107585.457 0 4 107702.000 107585.457 0.11% - 2s 0 0 107585.457 0 4 107702.000 107585.457 0.11% - 2s 0 0 107585.457 0 4 107702.000 107585.457 0.11% - 2s 0 0 107585.457 0 4 107702.000 107585.457 0.11% - 2s 0 2 107586.039 0 4 107702.000 107586.039 0.11% - 2s Cutting planes: Implied bound: 51 Flow cover: 1 Explored 9 nodes (6116 simplex iterations) in 3.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077020000000e+05, best bound 1.076968529412e+05, gap 0.0048%