Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:19:09 2013 Optimize a model with 858 rows, 60918 columns and 121758 nonzeros Presolve time: 0.09s Presolved: 858 rows, 60918 columns, 121758 nonzeros Variable types: 60840 continuous, 78 integer (78 binary) Root relaxation: objective 9.439575e+04, 2107 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 94395.7455 0 9 - 94395.7455 - - 0s H 0 0 102116.00000 94395.7455 7.56% - 0s 0 0 95164.8701 0 8 102116.000 95164.8701 6.81% - 0s 0 0 95263.2639 0 5 102116.000 95263.2639 6.71% - 0s H 0 0 101914.00000 95263.2639 6.53% - 0s 0 0 95296.2426 0 6 101914.000 95296.2426 6.49% - 0s H 0 0 101033.00000 95296.2426 5.68% - 0s 0 0 95311.5684 0 5 101033.000 95311.5684 5.66% - 0s 0 0 95313.0850 0 5 101033.000 95313.0850 5.66% - 1s 0 0 95313.2114 0 5 101033.000 95313.2114 5.66% - 1s H 0 0 95688.000000 95313.2114 0.39% - 1s 0 0 95313.2114 0 9 95688.0000 95313.2114 0.39% - 1s 0 0 95313.2114 0 8 95688.0000 95313.2114 0.39% - 1s 0 0 95313.2114 0 7 95688.0000 95313.2114 0.39% - 1s 0 0 95313.2114 0 5 95688.0000 95313.2114 0.39% - 1s 0 0 95313.2114 0 5 95688.0000 95313.2114 0.39% - 1s 0 0 95313.3900 0 5 95688.0000 95313.3900 0.39% - 2s 0 0 95313.3900 0 5 95688.0000 95313.3900 0.39% - 2s 0 0 95313.3900 0 5 95688.0000 95313.3900 0.39% - 2s 0 2 95326.4626 0 5 95688.0000 95326.4626 0.38% - 2s Cutting planes: Implied bound: 153 Flow cover: 5 Explored 16 nodes (5384 simplex iterations) in 2.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.568800000000e+04, best bound 9.568800000000e+04, gap 0.0%