Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:22 2014 Optimize a model with 111 rows, 110 columns and 310 nonzeros Found heuristic solution: objective 3.03827 Presolve removed 111 rows and 110 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.019324557304e+00, best bound 3.019324557304e+00, gap 0.0%