Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:28:09 2014 Optimize a model with 2486 rows, 1261 columns and 6125 nonzeros Presolve removed 35 rows and 0 columns Presolve time: 0.10s Presolved: 2451 rows, 1261 columns, 6090 nonzeros Variable types: 1 continuous, 1260 integer (1260 binary) Found heuristic solution: objective 0.9896860 Found heuristic solution: objective 0.9876609 Found heuristic solution: objective 0.7534735 Root relaxation: objective 1.144620e-02, 1563 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.01145 0 1062 0.75347 0.01145 98.5% - 0s H 0 0 0.4656091 0.01145 97.5% - 0s 0 0 0.02202 0 541 0.46561 0.02202 95.3% - 0s 0 0 0.20793 0 240 0.46561 0.20793 55.3% - 0s H 0 0 0.4337453 0.20793 52.1% - 0s 0 0 0.21647 0 209 0.43375 0.21647 50.1% - 0s H 0 0 0.4077246 0.21647 46.9% - 0s 0 0 0.22453 0 191 0.40772 0.22453 44.9% - 0s H 0 0 0.3423509 0.22453 34.4% - 0s 0 0 0.23124 0 163 0.34235 0.23124 32.5% - 0s H 0 0 0.3305268 0.23124 30.0% - 0s 0 1 0.23124 0 163 0.33053 0.23124 30.0% - 1s H 1 1 0.3115457 0.23124 25.8% 165 1s H 3 2 0.3079186 0.27013 12.3% 55.0 1s * 5 3 14 0.3035627 0.30356 0.00% 33.0 1s Cutting planes: Gomory: 3 Implied bound: 3 MIR: 3 Explored 5 nodes (9150 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.035627151847e-01, best bound 3.035627151847e-01, gap 0.0%