Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:30 2014 Optimize a model with 256 rows, 241 columns and 915 nonzeros Found heuristic solution: objective 1.00785 Presolve time: 0.00s Presolved: 256 rows, 241 columns, 915 nonzeros Variable types: 1 continuous, 240 integer (240 binary) Root relaxation: objective 2.657471e-01, 214 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.26575 0 79 1.00785 0.26575 73.6% - 0s H 0 0 0.7255513 0.26575 63.4% - 0s H 0 0 0.4933750 0.26575 46.1% - 0s H 0 0 0.3806431 0.26575 30.2% - 0s 0 0 cutoff 0 0.38064 0.38064 0.00% - 0s Explored 0 nodes (374 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.806431206481e-01, best bound 3.806431206481e-01, gap 0.0%