Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:26:43 2012 Optimize a model with 5208 rows, 812 columns and 16324 nonzeros Presolve time: 0.05s Presolved: 5208 rows, 812 columns, 22931 nonzeros Variable types: 0 continuous, 812 integer (812 binary) Found heuristic solution: objective 15.0000000 Root relaxation: objective 2.000000e+00, 1760 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 56 15.00000 2.00000 86.7% - 0s H 0 0 11.0000000 2.00000 81.8% - 0s H 0 0 7.0000000 2.00000 71.4% - 0s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 0s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 0s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 1s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 1s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 1s 0 0 2.00000 0 56 7.00000 2.00000 71.4% - 1s 0 2 2.00000 0 56 7.00000 2.00000 71.4% - 2s 37 29 5.00000 6 42 7.00000 3.00000 57.1% 541 5s 277 93 4.66667 5 85 7.00000 4.00000 42.9% 234 10s 529 156 5.50000 6 102 7.00000 5.00000 28.6% 179 15s 609 182 6.00000 12 44 7.00000 6.00000 14.3% 188 20s 630 192 6.00000 34 78 7.00000 6.00000 14.3% 211 25s 786 158 6.00000 36 99 7.00000 6.00000 14.3% 203 30s 1071 68 6.00000 36 101 7.00000 6.00000 14.3% 201 35s 1372 68 infeasible 32 7.00000 6.00000 14.3% 197 40s 1676 64 6.00000 37 94 7.00000 6.00000 14.3% 193 45s 1955 61 6.00000 39 84 7.00000 6.00000 14.3% 192 50s 2315 61 6.00000 34 77 7.00000 6.00000 14.3% 190 55s 2637 71 6.00000 35 64 7.00000 6.00000 14.3% 189 60s 2906 90 infeasible 45 7.00000 6.00000 14.3% 190 65s 3127 95 infeasible 39 7.00000 6.00000 14.3% 193 70s 3362 90 6.00000 37 134 7.00000 6.00000 14.3% 195 75s 3568 84 6.00000 34 97 7.00000 6.00000 14.3% 198 80s 3854 88 infeasible 41 7.00000 6.00000 14.3% 200 85s 4211 103 infeasible 43 7.00000 6.00000 14.3% 198 90s 4451 99 infeasible 42 7.00000 6.00000 14.3% 200 95s 4682 106 6.00000 44 60 7.00000 6.00000 14.3% 201 100s 5016 108 6.00000 35 72 7.00000 6.00000 14.3% 200 105s 5360 108 infeasible 37 7.00000 6.00000 14.3% 199 110s 5641 139 6.00000 34 81 7.00000 6.00000 14.3% 201 115s 5886 172 6.00000 36 64 7.00000 6.00000 14.3% 202 120s 6137 162 infeasible 38 7.00000 6.00000 14.3% 202 125s 6530 174 6.00000 43 78 7.00000 6.00000 14.3% 199 130s 6923 171 6.00000 39 95 7.00000 6.00000 14.3% 197 135s 7214 164 6.00000 38 65 7.00000 6.00000 14.3% 196 140s 7489 165 6.00000 35 20 7.00000 6.00000 14.3% 197 145s 7846 154 6.00000 39 22 7.00000 6.00000 14.3% 196 150s 8165 153 infeasible 40 7.00000 6.00000 14.3% 197 155s 8506 126 infeasible 44 7.00000 6.00000 14.3% 196 160s 8786 102 6.00000 45 82 7.00000 6.00000 14.3% 196 165s 9147 96 6.00000 42 49 7.00000 6.00000 14.3% 196 170s 9594 81 6.00000 35 18 7.00000 6.00000 14.3% 193 175s 9847 70 6.00000 41 71 7.00000 6.00000 14.3% 194 180s 10130 73 6.00000 33 84 7.00000 6.00000 14.3% 194 185s 10362 83 6.00000 36 78 7.00000 6.00000 14.3% 195 190s 10629 92 6.00000 41 104 7.00000 6.00000 14.3% 196 195s 10994 77 6.00000 35 20 7.00000 6.00000 14.3% 196 200s 11229 74 infeasible 39 7.00000 6.00000 14.3% 197 205s 11457 70 infeasible 37 7.00000 6.00000 14.3% 198 210s 11727 62 infeasible 38 7.00000 6.00000 14.3% 198 215s 11960 63 6.00000 40 50 7.00000 6.00000 14.3% 199 220s 12221 46 infeasible 36 7.00000 6.00000 14.3% 199 225s 12487 25 6.00000 34 84 7.00000 6.00000 14.3% 199 230s 12836 14 infeasible 37 7.00000 6.00000 14.3% 199 235s Explored 13149 nodes (2610363 simplex iterations) in 238.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%