Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:02:35 2013 Optimize a model with 231 rows, 121 columns and 726 nonzeros Presolve removed 93 rows and 63 columns Presolve time: 0.00s Presolved: 138 rows, 58 columns, 469 nonzeros Variable types: 7 continuous, 51 integer (51 binary) Found heuristic solution: objective 1364.0000000 Root relaxation: objective 1.197750e+03, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1197.75000 0 4 1364.00000 1197.75000 12.2% - 0s H 0 0 1201.0000000 1197.75000 0.27% - 0s 0 0 1198.97840 0 6 1201.00000 1198.97840 0.17% - 0s 0 0 1198.97840 0 3 1201.00000 1198.97840 0.17% - 0s Explored 0 nodes (41 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.201000000000e+03, best bound 1.201000000000e+03, gap 0.0%