Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:51:28 2014 Optimize a model with 12562 rows, 6321 columns and 31205 nonzeros Presolve removed 79 rows and 0 columns Presolve time: 0.12s Presolved: 12483 rows, 6321 columns, 31126 nonzeros Variable types: 1 continuous, 6320 integer (6320 binary) Found heuristic solution: objective 1.0024565 Found heuristic solution: objective 0.9730532 Found heuristic solution: objective 0.9453455 Root relaxation: objective 4.601076e-03, 8317 iterations, 0.70 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00460 0 5849 0.94535 0.00460 100% - 1s H 0 0 0.3926623 0.00460 98.8% - 2s 0 0 0.01067 0 1905 0.39266 0.01067 97.3% - 4s 0 0 0.02050 0 1450 0.39266 0.02050 94.8% - 5s H 0 0 0.3721891 0.02050 94.5% - 5s 0 0 0.02164 0 1374 0.37219 0.02164 94.2% - 5s 0 0 0.02672 0 1393 0.37219 0.02672 92.8% - 5s 0 0 0.02713 0 1375 0.37219 0.02713 92.7% - 5s 0 0 0.02755 0 1373 0.37219 0.02755 92.6% - 5s 0 0 0.02795 0 1368 0.37219 0.02795 92.5% - 5s H 0 0 0.3584277 0.02795 92.2% - 5s 0 0 0.02987 0 1162 0.35843 0.02987 91.7% - 5s 0 0 0.02991 0 1236 0.35843 0.02991 91.7% - 6s 0 0 0.02991 0 1107 0.35843 0.02991 91.7% - 6s H 0 0 0.3394713 0.02991 91.2% - 7s 0 2 0.03395 0 882 0.33947 0.03395 90.0% - 8s H 27 26 0.3217210 0.05253 83.7% 278 8s H 81 78 0.3204400 0.07441 76.8% 166 9s * 100 64 92 0.2932170 0.07441 74.6% 145 9s H 108 58 0.2848962 0.07765 72.7% 140 9s * 127 75 61 0.2837844 0.07765 72.6% 132 9s * 130 74 64 0.2815187 0.07765 72.4% 130 9s * 132 70 64 0.2749613 0.07765 71.8% 128 9s * 135 65 62 0.2742874 0.07765 71.7% 125 9s * 146 61 41 0.2562979 0.08156 68.2% 125 9s * 151 57 44 0.2554448 0.10462 59.0% 125 9s * 152 52 43 0.2517006 0.10462 58.4% 124 9s H 163 51 0.2446180 0.14303 41.5% 131 9s * 164 50 10 0.2430886 0.14303 41.2% 131 9s * 179 56 17 0.2420809 0.14303 40.9% 124 9s * 183 52 20 0.2299496 0.14303 37.8% 122 9s H 195 38 0.2244975 0.14757 34.3% 116 9s 219 16 infeasible 10 0.22450 0.19707 12.2% 125 10s Cutting planes: Gomory: 46 Implied bound: 19 MIR: 361 Explored 236 nodes (66209 simplex iterations) in 10.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.244974924078e-01, best bound 2.244974924078e-01, gap 0.0%