Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:35 2014 Optimize a model with 596 rows, 307 columns and 1445 nonzeros Found heuristic solution: objective 0.681432 Presolve removed 17 rows and 0 columns Presolve time: 0.01s Presolved: 579 rows, 307 columns, 1428 nonzeros Variable types: 1 continuous, 306 integer (306 binary) Root relaxation: objective 3.363462e-02, 415 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.03363 0 228 0.68143 0.03363 95.1% - 0s H 0 0 0.5011432 0.03363 93.3% - 0s 0 0 0.11098 0 81 0.50114 0.11098 77.9% - 0s 0 0 0.31125 0 64 0.50114 0.31125 37.9% - 0s H 0 0 0.4182973 0.31125 25.6% - 0s 0 0 0.36995 0 20 0.41830 0.36995 11.6% - 0s H 0 0 0.4119047 0.36995 10.2% - 0s H 0 0 0.3754608 0.36995 1.47% - 0s Explored 0 nodes (1826 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.754607939670e-01, best bound 3.754607939670e-01, gap 0.0%