Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:50:41 2014 Optimize a model with 12247 rows, 6163 columns and 30420 nonzeros Presolve removed 78 rows and 0 columns Presolve time: 0.14s Presolved: 12169 rows, 6163 columns, 30342 nonzeros Variable types: 1 continuous, 6162 integer (6162 binary) Found heuristic solution: objective 0.9232494 Found heuristic solution: objective 0.9163269 Found heuristic solution: objective 0.8443476 Root relaxation: objective 4.819130e-03, 7739 iterations, 0.77 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00482 0 5296 0.84435 0.00482 99.4% - 1s H 0 0 0.3691874 0.00482 98.7% - 2s H 0 0 0.3596950 0.00482 98.7% - 2s 0 0 0.01137 0 1627 0.35969 0.01137 96.8% - 3s 0 0 0.02491 0 1140 0.35969 0.02491 93.1% - 4s H 0 0 0.3584748 0.02491 93.1% - 4s 0 0 0.02544 0 1133 0.35847 0.02544 92.9% - 4s 0 0 0.02863 0 1122 0.35847 0.02863 92.0% - 4s 0 0 0.02912 0 1116 0.35847 0.02912 91.9% - 4s 0 0 0.02961 0 1096 0.35847 0.02961 91.7% - 4s 0 0 0.02989 0 1089 0.35847 0.02989 91.7% - 4s 0 0 0.02989 0 1083 0.35847 0.02989 91.7% - 5s H 0 0 0.3577415 0.02989 91.6% - 5s 0 0 0.03013 0 1062 0.35774 0.03013 91.6% - 5s H 0 0 0.3341701 0.03013 91.0% - 5s H 0 0 0.3332187 0.03013 91.0% - 5s 0 0 0.03331 0 945 0.33322 0.03331 90.0% - 5s 0 0 0.03340 0 945 0.33322 0.03340 90.0% - 5s 0 0 0.03340 0 946 0.33322 0.03340 90.0% - 5s 0 0 0.03340 0 915 0.33322 0.03340 90.0% - 5s H 0 0 0.3120733 0.03340 89.3% - 6s H 0 0 0.2817992 0.03340 88.1% - 6s 0 2 0.04926 0 608 0.28180 0.04926 82.5% - 6s H 54 54 0.2804865 0.06248 77.7% 167 7s H 81 77 0.2608742 0.06248 76.0% 142 7s H 108 77 0.2459777 0.07388 70.0% 130 7s H 135 87 0.2362654 0.07513 68.2% 121 7s * 143 85 15 0.2336841 0.07644 67.3% 117 7s * 146 76 14 0.2314876 0.07644 67.0% 115 7s * 153 75 15 0.2310859 0.09287 59.8% 116 7s * 156 71 17 0.2290376 0.09287 59.5% 114 7s Cutting planes: Gomory: 16 Implied bound: 8 MIR: 236 Explored 228 nodes (54930 simplex iterations) in 8.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.290375636725e-01, best bound 2.290375636725e-01, gap 0.0%