current theta: 0.631663705435 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:38 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 750 rows and 750 columns Presolve time: 0.02s Presolved: 1413 rows, 1458 columns, 4190 nonzeros Variable types: 0 continuous, 1458 integer (1458 binary) Root relaxation: objective 0.000000e+00, 406 iterations, 0.01 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 0.0% - 0s Explored 0 nodes (819 simplex iterations) in 0.03 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 [0, 21, 24, 44, 45] edges [(17, 44), (2, 45), (30, 45), (24, 44), (20, 24), (7, 45), (34, 45), (38, 45), (31, 44), (39, 45), (0, 45), (40, 24), (36, 44), (4, 45), (12, 44), (45, 45), (9, 44), (42, 44), (32, 45), (25, 45), (14, 44), (18, 45), (5, 24), (19, 44), (43, 45), (6, 21), (27, 24), (16, 44), (1, 44), (37, 45), (13, 45), (15, 45), (21, 21), (33, 44), (28, 21), (35, 21), (41, 24), (22, 45), (10, 45), (3, 21), (29, 45), (8, 44), (26, 44), (23, 44), (11, 44), (44, 44)] current theta: 0.315831852717 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1640 rows and 1640 columns Presolve time: 0.01s Presolved: 523 rows, 568 columns, 1520 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 568 integer (568 binary) Root relaxation: objective 0.000000e+00, 297 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 0.0% - 0s Explored 0 nodes (297 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 [21, 25, 26, 29, 34] edges [(7, 25), (40, 29), (41, 34), (32, 29), (26, 26), (15, 25), (44, 26), (28, 25), (4, 25), (45, 25), (5, 26), (12, 26), (43, 25), (13, 25), (38, 29), (17, 34), (11, 25), (39, 26), (36, 21), (18, 25), (20, 26), (31, 29), (16, 34), (29, 34), (23, 26), (14, 26), (2, 25), (6, 21), (33, 26), (9, 26), (24, 34), (8, 26), (37, 29), (21, 21), (0, 26), (35, 21), (25, 25), (30, 25), (27, 26), (3, 21), (1, 34), (34, 29), (22, 25), (10, 29), (19, 26), (42, 26)] current theta: 0.157915926359 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1954 rows and 1954 columns Presolve time: 0.00s Presolved: 209 rows, 254 columns, 580 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 254 integer (254 binary) Root relaxation: cutoff, 246 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 (246 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.236873889538 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1820 rows and 1820 columns Presolve time: 0.00s Presolved: 343 rows, 388 columns, 980 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 388 integer (388 binary) Root relaxation: cutoff, 378 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 (378 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.276352871128 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1724 rows and 1724 columns Presolve time: 0.00s Presolved: 439 rows, 484 columns, 1268 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 484 integer (484 binary) Root relaxation: cutoff, 441 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 (441 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.296092361923 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1692 rows and 1692 columns Presolve time: 0.00s Presolved: 471 rows, 516 columns, 1364 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 516 integer (516 binary) Root relaxation: cutoff, 483 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 (483 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.30596210732 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1672 rows and 1672 columns Presolve time: 0.00s Presolved: 491 rows, 536 columns, 1424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 536 integer (536 binary) Root relaxation: cutoff, 523 iterations, 0.01 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 (523 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.310896980019 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1658 rows and 1658 columns Presolve time: 0.01s Presolved: 505 rows, 550 columns, 1466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 550 integer (550 binary) Root relaxation: objective 0.000000e+00, 505 iterations, 0.01 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 0.0% - 0s Explored 0 nodes (784 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 [21, 25, 26, 31, 34] edges [(7, 25), (41, 34), (38, 31), (25, 31), (26, 26), (32, 34), (44, 26), (28, 25), (22, 31), (4, 25), (5, 26), (12, 26), (43, 25), (13, 25), (40, 31), (17, 34), (45, 31), (11, 25), (36, 21), (20, 26), (16, 34), (29, 34), (34, 34), (23, 26), (14, 26), (6, 21), (33, 26), (9, 26), (10, 31), (39, 31), (24, 34), (8, 26), (2, 31), (21, 21), (0, 26), (35, 21), (30, 25), (27, 26), (3, 21), (15, 31), (1, 34), (37, 34), (19, 26), (42, 26), (18, 21), (31, 25)] current theta: 0.308429543669 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1668 rows and 1668 columns Presolve time: 0.01s Presolved: 495 rows, 540 columns, 1436 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 540 integer (540 binary) Root relaxation: objective 0.000000e+00, 387 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 0.0% - 0s Explored 0 nodes (387 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, 15, 21, 26, 32] edges [(31, 15), (7, 15), (17, 1), (26, 26), (39, 32), (24, 1), (16, 32), (44, 26), (1, 32), (37, 32), (4, 15), (5, 26), (12, 26), (34, 1), (36, 21), (2, 15), (20, 26), (30, 15), (43, 15), (23, 26), (14, 26), (6, 21), (33, 26), (15, 15), (11, 32), (9, 26), (28, 15), (40, 15), (45, 15), (38, 32), (8, 26), (21, 21), (13, 15), (29, 32), (0, 26), (35, 21), (25, 15), (41, 1), (32, 32), (27, 26), (3, 21), (22, 15), (10, 15), (19, 26), (42, 26), (18, 21)] current theta: 0.307195825495 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1668 rows and 1668 columns Presolve time: 0.00s Presolved: 495 rows, 540 columns, 1436 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 540 integer (540 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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, 15, 21, 26, 32] edges [(31, 15), (7, 15), (17, 1), (26, 26), (39, 32), (24, 1), (16, 32), (44, 26), (1, 32), (37, 32), (4, 15), (5, 26), (12, 26), (34, 1), (36, 21), (2, 15), (20, 26), (30, 15), (43, 15), (23, 26), (14, 26), (6, 21), (33, 26), (15, 15), (11, 32), (9, 26), (28, 15), (40, 15), (45, 15), (38, 32), (8, 26), (21, 21), (13, 15), (29, 32), (0, 26), (35, 21), (25, 15), (41, 1), (32, 32), (27, 26), (3, 21), (22, 15), (10, 15), (19, 26), (42, 26), (18, 21)] current theta: 0.306578966407 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1668 rows and 1668 columns Presolve time: 0.00s Presolved: 495 rows, 540 columns, 1436 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 540 integer (540 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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, 15, 21, 26, 32] edges [(31, 15), (7, 15), (17, 1), (26, 26), (39, 32), (24, 1), (16, 32), (44, 26), (1, 32), (37, 32), (4, 15), (5, 26), (12, 26), (34, 1), (36, 21), (2, 15), (20, 26), (30, 15), (43, 15), (23, 26), (14, 26), (6, 21), (33, 26), (15, 15), (11, 32), (9, 26), (28, 15), (40, 15), (45, 15), (38, 32), (8, 26), (21, 21), (13, 15), (29, 32), (0, 26), (35, 21), (25, 15), (41, 1), (32, 32), (27, 26), (3, 21), (22, 15), (10, 15), (19, 26), (42, 26), (18, 21)] current theta: 0.306270536864 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1672 rows and 1672 columns Presolve time: 0.00s Presolved: 491 rows, 536 columns, 1424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 536 integer (536 binary) Root relaxation: cutoff, 523 iterations, 0.01 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 (523 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.306424751635 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1670 rows and 1670 columns Presolve time: 0.00s Presolved: 493 rows, 538 columns, 1430 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 538 integer (538 binary) Root relaxation: cutoff, 504 iterations, 0.01 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 (504 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.306501859021 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:58:39 2012 Optimize a model with 2163 rows, 2208 columns and 6440 nonzeros Presolve removed 1670 rows and 1670 columns Presolve time: 0.00s Presolved: 493 rows, 538 columns, 1430 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 538 integer (538 binary) Root relaxation: cutoff, 504 iterations, 0.01 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 (504 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap -