Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:54 2013 Optimize a model with 18144 rows, 17724 columns and 70644 nonzeros Presolve removed 42 rows and 0 columns Presolve time: 0.08s Presolved: 18102 rows, 17724 columns, 70602 nonzeros Variable types: 17682 continuous, 42 integer (42 binary) Root relaxation: objective 3.652800e+04, 2150 iterations, 0.38 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36527.9975 0 36 - 36527.9975 - - 0s H 0 0 46094.000000 36527.9975 20.8% - 0s 0 0 40259.3333 0 2 46094.0000 40259.3333 12.7% - 1s H 0 0 40874.023810 40259.3333 1.50% - 1s H 0 0 40595.000000 40259.3333 0.83% - 1s H 0 0 40376.000000 40259.3333 0.29% - 1s 0 0 40281.0112 0 2 40376.0000 40281.0112 0.24% - 1s 0 0 40350.4390 0 2 40376.0000 40350.4390 0.06% - 1s H 0 0 40369.000000 40350.4390 0.05% - 1s 0 2 40350.8571 0 2 40369.0000 40350.8571 0.04% - 1s Cutting planes: Gomory: 1 Implied bound: 32 Explored 5 nodes (3480 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.036900000000e+04, best bound 4.036900000000e+04, gap 0.0%