Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:24 2013 Optimize a model with 360 rows, 1430 columns and 3450 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.01s Presolved: 350 rows, 1420 columns, 3240 nonzeros Variable types: 1220 continuous, 200 integer (200 binary) Root relaxation: objective 1.836170e+04, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18361.7044 0 2 - 18361.7044 - - 0s H 0 0 18423.142900 18361.7044 0.33% - 0s 0 0 18374.7852 0 4 18423.1429 18374.7852 0.26% - 0s 0 0 18381.0859 0 7 18423.1429 18381.0859 0.23% - 0s 0 0 18386.9159 0 5 18423.1429 18386.9159 0.20% - 0s 0 0 18387.1588 0 5 18423.1429 18387.1588 0.20% - 0s 0 0 18390.3315 0 6 18423.1429 18390.3315 0.18% - 0s 0 0 18393.9892 0 8 18423.1429 18393.9892 0.16% - 0s 0 0 18399.8208 0 6 18423.1429 18399.8208 0.13% - 0s 0 0 18403.1739 0 6 18423.1429 18403.1739 0.11% - 0s 0 0 18405.7692 0 6 18423.1429 18405.7692 0.09% - 0s 0 0 18407.5335 0 6 18423.1429 18407.5335 0.08% - 0s 0 0 18409.0501 0 6 18423.1429 18409.0501 0.08% - 0s 0 0 18409.9265 0 4 18423.1429 18409.9265 0.07% - 0s 0 0 18410.7422 0 4 18423.1429 18410.7422 0.07% - 0s 0 0 18411.7459 0 4 18423.1429 18411.7459 0.06% - 0s 0 0 18412.2085 0 4 18423.1429 18412.2085 0.06% - 0s 0 0 18413.0309 0 4 18423.1429 18413.0309 0.05% - 0s 0 0 18413.7568 0 4 18423.1429 18413.7568 0.05% - 0s 0 0 18414.1623 0 4 18423.1429 18414.1623 0.05% - 0s 0 0 18414.8843 0 4 18423.1429 18414.8843 0.04% - 0s 0 0 18415.4077 0 4 18423.1429 18415.4077 0.04% - 0s 0 0 18415.5562 0 4 18423.1429 18415.5562 0.04% - 0s 0 0 18415.9087 0 4 18423.1429 18415.9087 0.04% - 0s 0 0 18416.0571 0 4 18423.1429 18416.0571 0.04% - 0s 0 0 18416.2365 0 4 18423.1429 18416.2365 0.04% - 0s 0 0 18416.5426 0 4 18423.1429 18416.5426 0.04% - 0s 0 0 18416.6444 0 4 18423.1429 18416.6444 0.04% - 0s 0 0 18416.8296 0 4 18423.1429 18416.8296 0.03% - 0s 0 0 18417.0997 0 4 18423.1429 18417.0997 0.03% - 0s 0 0 18417.1803 0 4 18423.1429 18417.1803 0.03% - 0s 0 0 18417.3547 0 4 18423.1429 18417.3547 0.03% - 0s 0 0 18417.5960 0 2 18423.1429 18417.5960 0.03% - 0s 0 0 18417.5960 0 2 18423.1429 18417.5960 0.03% - 0s H 0 0 18418.387270 18417.5960 0.00% - 0s Cutting planes: Implied bound: 18 Explored 0 nodes (913 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.841838726966e+04, best bound 1.841759600687e+04, gap 0.0043%