Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:54:44 2012 Optimize a model with 28959 rows, 32942 columns and 118915 nonzeros Presolve removed 399 rows and 6337 columns Presolve time: 0.68s Presolved: 28560 rows, 26605 columns, 111359 nonzeros Variable types: 0 continuous, 26605 integer (26605 binary) Found heuristic solution: objective 181.0000000 Root relaxation: objective 3.000000e+00, 16277 iterations, 2.23 seconds Total elapsed time = 14.43s Total elapsed time = 15.20s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 51 181.00000 3.00000 98.3% - 15s H 0 0 3.0000000 3.00000 0.0% - 15s Explored 0 nodes (53001 simplex iterations) in 15.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%