Gurobi 5.0.1 (linux64) logging started Mon Feb 4 20:36:44 2013 Optimize a model with 682800 rows, 25600 columns and 2060800 nonzeros Presolve removed 17973 rows and 12822 columns (presolve time = 5s) ... Presolve removed 19057 rows and 12827 columns Presolve time: 9.94s Presolved: 663743 rows, 12773 columns, 2005823 nonzeros Variable types: 93 continuous, 12680 integer (12680 binary) Found heuristic solution: objective 512808.00000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7242 2.7528223e+05 0.000000e+00 4.632685e+08 5s 14484 2.7600798e+05 0.000000e+00 1.185292e+09 10s 21726 2.7690170e+05 0.000000e+00 1.671291e+09 15s 28968 2.7826846e+05 0.000000e+00 4.109044e+08 20s 37417 2.7992268e+05 0.000000e+00 1.082676e+09 25s 45866 2.8329988e+05 0.000000e+00 4.889000e+09 30s 54315 2.8437439e+05 0.000000e+00 9.360803e+08 35s 61557 2.8478186e+05 0.000000e+00 5.647141e+08 40s 68799 2.8550695e+05 0.000000e+00 6.981001e+08 46s 76041 2.8596863e+05 0.000000e+00 1.013657e+09 51s 84541 2.8657893e+05 0.000000e+00 2.238993e+09 56s 92990 2.9197672e+05 0.000000e+00 1.423801e+10 61s 100232 2.9316920e+05 0.000000e+00 7.252383e+08 65s 108681 2.9576279e+05 0.000000e+00 1.638806e+09 71s 115923 2.9617443e+05 0.000000e+00 5.750076e+08 75s 124430 2.9774831e+05 0.000000e+00 6.127466e+08 80s 132879 2.9842393e+05 0.000000e+00 1.301659e+09 85s 141328 2.9851388e+05 0.000000e+00 1.702427e+08 90s 148570 2.9873862e+05 0.000000e+00 7.608440e+08 96s 157044 2.9968807e+05 0.000000e+00 1.846419e+09 100s 164286 3.0076209e+05 0.000000e+00 1.143222e+09 105s 172735 3.0222519e+05 0.000000e+00 1.442726e+09 110s 183784 3.0344696e+05 0.000000e+00 1.854667e+08 115s 193460 3.0511836e+05 0.000000e+00 4.898571e+08 120s 204371 3.0784258e+05 0.000000e+00 9.627504e+08 125s 214278 3.1000945e+05 0.000000e+00 4.057006e+08 130s 226384 3.1225707e+05 0.000000e+00 6.167358e+08 135s 237273 3.1381188e+05 0.000000e+00 6.884037e+08 141s 248208 3.1674566e+05 0.000000e+00 9.248045e+08 145s 259115 3.1819196e+05 0.000000e+00 1.123260e+09 150s 268833 3.2100667e+05 0.000000e+00 2.491969e+08 155s 279731 3.2313060e+05 0.000000e+00 4.031947e+08 160s 293053 3.2612910e+05 0.000000e+00 2.531769e+09 165s 302710 3.2945133e+05 0.000000e+00 9.762085e+08 170s 312376 3.3120274e+05 0.000000e+00 3.045052e+09 175s 322032 3.3238045e+05 0.000000e+00 2.096545e+08 181s 334126 3.3739018e+05 0.000000e+00 9.161042e+07 185s 347414 3.4340531e+05 0.000000e+00 2.914238e+07 190s 359497 3.5136552e+05 0.000000e+00 2.754664e+06 195s 364037 3.5376875e+05 0.000000e+00 0.000000e+00 200s 364037 3.5376875e+05 0.000000e+00 0.000000e+00 200s Root relaxation: objective 3.537688e+05, 364037 iterations, 199.68 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 353768.750 0 26 512808.000 353768.750 31.0% - 214s H 0 0 353785.00000 353768.750 0.00% - 214s Explored 0 nodes (364399 simplex iterations) in 214.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.537850000000e+05, best bound 3.537690000000e+05, gap 0.0045%