current theta: 0.590624267445 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 622 rows and 622 columns Presolve time: 0.01s Presolved: 1101 rows, 1141 columns, 3259 nonzeros Variable types: 0 continuous, 1141 integer (1141 binary) Root relaxation: objective 0.000000e+00, 307 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (513 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [23, 24, 25, 39, 40] edges [(28, 24), (4, 24), (5, 39), (22, 40), (38, 39), (12, 25), (20, 24), (3, 23), (31, 24), (8, 39), (23, 24), (6, 23), (37, 25), (24, 23), (11, 23), (21, 23), (33, 39), (10, 25), (26, 40), (35, 24), (13, 39), (27, 39), (0, 25), (34, 40), (19, 24), (29, 23), (30, 24), (32, 40), (18, 23), (17, 39), (9, 40), (1, 25), (15, 39), (2, 23), (7, 23), (36, 40), (14, 25), (39, 40), (40, 40), (25, 39), (16, 40)] current theta: 0.295312133722 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1320 rows and 1343 columns Presolve time: 0.00s Presolved: 403 rows, 420 columns, 1142 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 420 integer (420 binary) Root relaxation: cutoff, 420 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (420 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.442968200584 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 944 rows and 949 columns Presolve time: 0.01s Presolved: 779 rows, 814 columns, 2288 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 814 integer (814 binary) Root relaxation: objective 8.881784e-16, 363 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (591 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [16, 19, 35, 39, 40] edges [(1, 40), (10, 19), (22, 40), (34, 39), (30, 35), (38, 39), (40, 16), (7, 35), (13, 19), (8, 39), (26, 35), (14, 39), (39, 16), (29, 19), (18, 19), (21, 35), (37, 40), (5, 16), (35, 35), (2, 19), (24, 40), (12, 19), (3, 19), (20, 35), (28, 35), (0, 39), (11, 35), (9, 39), (17, 39), (15, 39), (23, 35), (31, 35), (32, 39), (27, 19), (36, 40), (4, 16), (19, 35), (6, 39), (25, 39), (33, 16), (16, 40)] current theta: 0.369140167153 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1146 rows and 1155 columns Presolve time: 0.01s Presolved: 577 rows, 608 columns, 1678 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 608 integer (608 binary) Root relaxation: objective 0.000000e+00, 389 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (752 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 12, 35, 39, 40] edges [(3, 2), (5, 39), (34, 39), (10, 12), (29, 2), (22, 35), (13, 35), (38, 39), (7, 35), (8, 39), (16, 39), (37, 39), (14, 39), (21, 35), (1, 39), (23, 12), (35, 35), (33, 39), (19, 2), (26, 40), (30, 12), (32, 12), (12, 12), (20, 35), (28, 35), (39, 39), (0, 39), (11, 35), (4, 40), (9, 39), (17, 39), (15, 39), (24, 35), (31, 35), (27, 12), (36, 40), (6, 39), (2, 2), (18, 12), (40, 40), (25, 39)] current theta: 0.332226150438 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1246 rows and 1259 columns Presolve time: 0.00s Presolved: 477 rows, 504 columns, 1374 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 504 integer (504 binary) Root relaxation: objective 0.000000e+00, 443 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (743 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 26, 31, 37, 38] edges [(3, 2), (14, 38), (9, 37), (17, 37), (29, 2), (30, 31), (26, 26), (25, 38), (35, 31), (11, 31), (10, 38), (18, 38), (6, 37), (36, 37), (4, 26), (5, 37), (34, 37), (19, 31), (39, 37), (0, 37), (13, 31), (22, 26), (37, 37), (32, 37), (21, 31), (40, 26), (1, 37), (27, 38), (31, 31), (7, 31), (33, 37), (24, 26), (12, 38), (23, 31), (8, 37), (16, 37), (28, 31), (15, 38), (38, 38), (2, 2), (20, 31)] current theta: 0.31376914208 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1284 rows and 1301 columns Presolve time: 0.00s Presolved: 439 rows, 462 columns, 1256 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 462 integer (462 binary) Root relaxation: objective 0.000000e+00, 435 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (435 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [1, 2, 11, 14, 26] edges [(3, 2), (0, 14), (23, 11), (29, 2), (26, 26), (27, 14), (34, 14), (38, 14), (20, 11), (36, 1), (6, 14), (13, 11), (28, 26), (4, 1), (39, 1), (37, 1), (22, 26), (19, 11), (17, 26), (33, 1), (9, 26), (40, 26), (31, 11), (7, 11), (1, 1), (32, 26), (8, 26), (18, 14), (15, 14), (24, 26), (10, 14), (14, 14), (30, 11), (21, 11), (25, 14), (16, 1), (35, 11), (11, 11), (5, 14), (2, 2), (12, 14)] current theta: 0.304540637901 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1294 rows and 1312 columns Presolve time: 0.00s Presolved: 429 rows, 451 columns, 1225 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 451 integer (451 binary) Root relaxation: objective 0.000000e+00, 420 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (420 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 5, 23, 28, 36] edges [(21, 28), (4, 36), (3, 2), (24, 28), (0, 5), (10, 5), (35, 28), (29, 2), (14, 5), (15, 5), (33, 5), (36, 36), (19, 23), (8, 5), (22, 28), (11, 23), (40, 36), (9, 5), (28, 28), (20, 28), (32, 23), (31, 28), (17, 5), (18, 23), (16, 36), (34, 5), (1, 36), (38, 5), (39, 5), (26, 28), (27, 5), (37, 5), (13, 28), (6, 5), (7, 23), (25, 5), (23, 23), (5, 5), (30, 23), (2, 2), (12, 23)] current theta: 0.299926385812 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1310 rows and 1330 columns Presolve time: 0.00s Presolved: 413 rows, 433 columns, 1175 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 433 integer (433 binary) Root relaxation: cutoff, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (21 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 5, 23, 28, 36] edges [(21, 28), (4, 36), (3, 2), (24, 28), (0, 5), (10, 5), (35, 28), (29, 2), (14, 5), (15, 5), (33, 5), (36, 36), (19, 23), (8, 5), (22, 28), (11, 23), (40, 36), (9, 5), (28, 28), (20, 28), (32, 23), (31, 28), (17, 5), (18, 23), (16, 36), (34, 5), (1, 36), (38, 5), (39, 5), (26, 28), (27, 5), (37, 5), (13, 28), (6, 5), (7, 23), (25, 5), (23, 23), (5, 5), (30, 23), (2, 2), (12, 23)] current theta: 0.297619259767 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1312 rows and 1333 columns Presolve time: 0.00s Presolved: 411 rows, 430 columns, 1168 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 430 integer (430 binary) Root relaxation: cutoff, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (22 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 5, 23, 28, 36] edges [(21, 28), (4, 36), (3, 2), (24, 28), (0, 5), (10, 5), (35, 28), (29, 2), (14, 5), (15, 5), (33, 5), (36, 36), (19, 23), (8, 5), (22, 28), (11, 23), (40, 36), (9, 5), (28, 28), (20, 28), (32, 23), (31, 28), (17, 5), (18, 23), (16, 36), (34, 5), (1, 36), (38, 5), (39, 5), (26, 28), (27, 5), (37, 5), (13, 28), (6, 5), (7, 23), (25, 5), (23, 23), (5, 5), (30, 23), (2, 2), (12, 23)] current theta: 0.296465696745 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:09 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1318 rows and 1341 columns Presolve time: 0.00s Presolved: 405 rows, 422 columns, 1148 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 422 integer (422 binary) Root relaxation: cutoff, 440 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (440 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.297042478256 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:09 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1314 rows and 1336 columns Presolve time: 0.00s Presolved: 409 rows, 427 columns, 1161 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 427 integer (427 binary) Root relaxation: cutoff, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (23 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 5, 23, 28, 36] edges [(21, 28), (4, 36), (3, 2), (24, 28), (0, 5), (10, 5), (35, 28), (29, 2), (14, 5), (15, 5), (33, 5), (36, 36), (19, 23), (8, 5), (22, 28), (11, 23), (40, 36), (9, 5), (28, 28), (20, 28), (32, 23), (31, 28), (17, 5), (18, 23), (16, 36), (34, 5), (1, 36), (38, 5), (39, 5), (26, 28), (27, 5), (37, 5), (13, 28), (6, 5), (7, 23), (25, 5), (23, 23), (5, 5), (30, 23), (2, 2), (12, 23)] current theta: 0.2967540875 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:09 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1318 rows and 1341 columns Presolve time: 0.00s Presolved: 405 rows, 422 columns, 1148 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 422 integer (422 binary) Root relaxation: cutoff, 440 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (440 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.296898282878 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:09 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1316 rows and 1338 columns Presolve time: 0.00s Presolved: 407 rows, 425 columns, 1155 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 425 integer (425 binary) Root relaxation: cutoff, 421 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (421 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.296970380567 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:09 2014 Optimize a model with 1723 rows, 1763 columns and 5125 nonzeros Presolve removed 1316 rows and 1338 columns Presolve time: 0.00s Presolved: 407 rows, 425 columns, 1155 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 425 integer (425 binary) Root relaxation: cutoff, 421 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (421 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -