Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:03 2013 Optimize a model with 11286 rows, 10956 columns and 43626 nonzeros Presolve removed 33 rows and 0 columns Presolve time: 0.05s Presolved: 11253 rows, 10956 columns, 43593 nonzeros Variable types: 10923 continuous, 33 integer (33 binary) Root relaxation: objective 2.942471e+04, 1541 iterations, 0.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 29424.7082 0 26 - 29424.7082 - - 0s H 0 0 32595.000000 29424.7082 9.73% - 0s 0 0 32032.8333 0 1 32595.0000 32032.8333 1.72% - 0s H 0 0 32293.666667 32032.8333 0.81% - 0s H 0 0 32193.000000 32032.8333 0.50% - 0s H 0 0 32054.000000 32032.8333 0.07% - 0s 0 0 32051.6471 0 2 32054.0000 32051.6471 0.01% - 0s Cutting planes: Implied bound: 24 Explored 0 nodes (2102 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.205400000000e+04, best bound 3.205164705882e+04, gap 0.0073%