Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:10 2013 Optimize a model with 429 rows, 15249 columns and 30459 nonzeros Presolve time: 0.02s Presolved: 429 rows, 15249 columns, 30459 nonzeros Variable types: 15210 continuous, 39 integer (39 binary) Root relaxation: objective 3.523969e+04, 597 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35239.6888 0 10 - 35239.6888 - - 0s H 0 0 36937.000000 35239.6888 4.60% - 0s H 0 0 35897.000000 35239.6888 1.83% - 0s 0 0 35713.3232 0 9 35897.0000 35713.3232 0.51% - 0s 0 0 35726.3818 0 6 35897.0000 35726.3818 0.48% - 0s 0 0 35727.5556 0 6 35897.0000 35727.5556 0.47% - 0s 0 0 35728.7940 0 6 35897.0000 35728.7940 0.47% - 0s 0 0 35729.5593 0 5 35897.0000 35729.5593 0.47% - 0s 0 0 35729.5595 0 4 35897.0000 35729.5595 0.47% - 0s H 0 0 35803.000000 35729.5595 0.21% - 0s 0 0 35729.5595 0 7 35803.0000 35729.5595 0.21% - 0s 0 0 35729.5595 0 6 35803.0000 35729.5595 0.21% - 0s 0 0 35729.5595 0 3 35803.0000 35729.5595 0.21% - 0s 0 0 35731.5898 0 3 35803.0000 35731.5898 0.20% - 0s 0 0 35731.5898 0 3 35803.0000 35731.5898 0.20% - 0s 0 0 35736.3044 0 4 35803.0000 35736.3044 0.19% - 0s 0 0 35738.5080 0 3 35803.0000 35738.5080 0.18% - 0s 0 0 35738.6212 0 3 35803.0000 35738.6212 0.18% - 0s 0 0 35743.1732 0 3 35803.0000 35743.1732 0.17% - 0s 0 0 35755.0256 0 1 35803.0000 35755.0256 0.13% - 0s 0 2 35762.0000 0 1 35803.0000 35762.0000 0.11% - 0s Cutting planes: Implied bound: 61 Flow cover: 3 Explored 6 nodes (1631 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.580300000000e+04, best bound 3.580300000000e+04, gap 0.0%