current theta: 0.667866051162 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 810 rows and 810 columns Presolve time: 0.03s Presolved: 1843 rows, 1893 columns, 5475 nonzeros Variable types: 0 continuous, 1893 integer (1893 binary) Root relaxation: objective 0.000000e+00, 378 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 (739 simplex iterations) in 0.04 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, 4, 19, 27, 31, 35] edges [(38, 31), (25, 31), (1, 31), (5, 27), (42, 27), (30, 31), (43, 31), (21, 27), (46, 31), (22, 31), (11, 31), (48, 31), (18, 19), (14, 31), (15, 4), (40, 31), (16, 31), (45, 31), (47, 27), (32, 31), (36, 27), (8, 31), (37, 31), (13, 31), (50, 31), (24, 31), (0, 31), (29, 31), (12, 19), (34, 31), (10, 31), (35, 27), (39, 31), (26, 31), (2, 31), (6, 19), (31, 31), (3, 27), (7, 31), (44, 31), (19, 27), (23, 31), (49, 31), (27, 19), (28, 31), (4, 31), (41, 31), (17, 31), (20, 31), (33, 31), (9, 31)] current theta: 0.333933025581 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 1964 rows and 1964 columns Presolve time: 0.01s Presolved: 689 rows, 739 columns, 2013 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 739 integer (739 binary) Root relaxation: objective 0.000000e+00, 427 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 (427 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, 30, 31, 32, 46, 47] edges [(21, 46), (9, 46), (17, 30), (47, 47), (23, 47), (18, 32), (35, 47), (43, 31), (3, 46), (39, 32), (27, 21), (14, 46), (22, 32), (42, 47), (25, 30), (1, 30), (15, 32), (50, 32), (8, 30), (28, 32), (20, 47), (44, 46), (48, 32), (40, 31), (16, 31), (46, 46), (5, 46), (36, 21), (24, 32), (0, 46), (37, 31), (33, 21), (45, 30), (2, 30), (11, 32), (13, 30), (4, 32), (34, 31), (10, 31), (26, 46), (12, 21), (29, 32), (6, 47), (32, 32), (31, 30), (38, 30), (41, 31), (19, 21), (30, 30), (49, 30), (7, 32)] current theta: 0.166966512791 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2388 rows and 2389 columns Presolve time: 0.00s Presolved: 265 rows, 314 columns, 744 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 314 integer (313 binary) Root relaxation: cutoff, 303 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 (303 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: 0.250449769186 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2196 rows and 2196 columns Presolve time: 0.00s Presolved: 457 rows, 507 columns, 1317 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 507 integer (507 binary) Root relaxation: cutoff, 397 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 (397 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: 0.292191397383 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2094 rows and 2094 columns Presolve time: 0.01s Presolved: 559 rows, 609 columns, 1623 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 609 integer (609 binary) Root relaxation: objective 0.000000e+00, 478 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 (770 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 [16, 23, 24, 32, 36, 46] edges [(21, 46), (35, 23), (9, 46), (1, 16), (18, 32), (39, 32), (3, 23), (40, 16), (36, 36), (7, 24), (10, 16), (14, 46), (22, 32), (15, 32), (50, 32), (8, 23), (6, 23), (48, 32), (34, 24), (46, 46), (5, 46), (42, 23), (19, 36), (43, 24), (0, 46), (37, 24), (33, 46), (24, 24), (16, 16), (12, 36), (45, 16), (27, 46), (30, 16), (2, 16), (11, 32), (4, 32), (13, 16), (26, 46), (47, 23), (29, 32), (38, 16), (41, 46), (25, 16), (20, 23), (28, 46), (32, 32), (49, 16), (44, 23), (17, 16), (23, 23), (31, 16)] current theta: 0.271320583285 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2140 rows and 2140 columns Presolve time: 0.01s Presolved: 513 rows, 563 columns, 1485 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 563 integer (563 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 0.0% - 0s Explored 0 nodes (443 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 [9, 12, 16, 23, 31, 48] edges [(9, 9), (29, 48), (35, 23), (1, 16), (27, 9), (43, 31), (21, 9), (32, 48), (10, 16), (8, 23), (11, 48), (6, 23), (4, 48), (0, 9), (40, 31), (16, 31), (42, 23), (33, 9), (45, 16), (22, 48), (30, 16), (26, 23), (2, 16), (46, 9), (13, 16), (34, 31), (47, 23), (14, 9), (5, 9), (36, 12), (24, 48), (7, 48), (12, 12), (31, 31), (3, 9), (38, 16), (25, 16), (39, 12), (20, 23), (49, 16), (15, 31), (28, 9), (44, 23), (37, 48), (19, 12), (17, 31), (50, 48), (41, 9), (23, 23), (18, 12), (48, 48)] current theta: 0.260885176235 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2176 rows and 2176 columns Presolve time: 0.00s Presolved: 477 rows, 527 columns, 1377 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 527 integer (527 binary) Root relaxation: cutoff, 425 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 (425 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: 0.26610287976 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2148 rows and 2148 columns Presolve time: 0.01s Presolved: 505 rows, 555 columns, 1461 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 555 integer (555 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 [9, 12, 16, 23, 31, 48] edges [(9, 9), (29, 48), (35, 23), (1, 16), (27, 9), (43, 31), (21, 9), (32, 48), (10, 16), (8, 23), (11, 48), (6, 23), (4, 48), (0, 9), (40, 31), (16, 31), (42, 23), (33, 9), (45, 16), (22, 48), (30, 16), (26, 23), (2, 16), (46, 9), (13, 16), (34, 31), (47, 23), (14, 9), (5, 9), (36, 12), (24, 48), (7, 48), (12, 12), (31, 31), (3, 9), (38, 16), (25, 16), (39, 12), (20, 23), (49, 16), (15, 31), (28, 9), (44, 23), (37, 48), (19, 12), (17, 31), (50, 48), (41, 9), (23, 23), (18, 12), (48, 48)] current theta: 0.263494027998 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:38 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2162 rows and 2162 columns Presolve time: 0.00s Presolved: 491 rows, 541 columns, 1419 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 541 integer (541 binary) Root relaxation: objective 0.000000e+00, 455 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 (455 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 [9, 12, 16, 23, 34, 48] edges [(41, 34), (9, 9), (29, 48), (35, 23), (1, 16), (27, 9), (40, 34), (21, 9), (32, 48), (10, 16), (39, 9), (8, 23), (11, 48), (6, 23), (4, 48), (7, 34), (0, 9), (17, 34), (42, 23), (33, 9), (16, 16), (34, 34), (45, 16), (15, 34), (22, 48), (30, 16), (26, 23), (43, 34), (2, 16), (46, 9), (13, 16), (47, 23), (14, 9), (24, 34), (5, 9), (36, 12), (12, 12), (3, 9), (38, 16), (25, 16), (20, 23), (49, 16), (28, 9), (44, 23), (37, 34), (19, 12), (50, 48), (23, 23), (31, 34), (18, 12), (48, 48)] current theta: 0.262189602116 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:39 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2168 rows and 2168 columns Presolve time: 0.00s Presolved: 485 rows, 535 columns, 1401 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 535 integer (535 binary) Root relaxation: cutoff, 391 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 (391 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: 0.262841815057 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:39 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2164 rows and 2164 columns Presolve time: 0.00s Presolved: 489 rows, 539 columns, 1413 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 539 integer (539 binary) Root relaxation: cutoff, 452 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 (452 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: 0.263167921527 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:39 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2164 rows and 2164 columns Presolve time: 0.00s Presolved: 489 rows, 539 columns, 1413 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 539 integer (539 binary) Root relaxation: cutoff, 452 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 (452 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: 0.263330974762 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:39 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2164 rows and 2164 columns Presolve time: 0.00s Presolved: 489 rows, 539 columns, 1413 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 539 integer (539 binary) Root relaxation: cutoff, 452 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 (452 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: 0.26341250138 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:04:39 2012 Optimize a model with 2653 rows, 2703 columns and 7905 nonzeros Presolve removed 2162 rows and 2162 columns Presolve time: 0.01s Presolved: 491 rows, 541 columns, 1419 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 541 integer (541 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 [9, 12, 16, 23, 34, 48] edges [(41, 34), (9, 9), (29, 48), (35, 23), (1, 16), (27, 9), (40, 34), (21, 9), (32, 48), (10, 16), (39, 9), (8, 23), (11, 48), (6, 23), (4, 48), (7, 34), (0, 9), (17, 34), (42, 23), (33, 9), (16, 16), (34, 34), (45, 16), (15, 34), (22, 48), (30, 16), (26, 23), (43, 34), (2, 16), (46, 9), (13, 16), (47, 23), (14, 9), (24, 34), (5, 9), (36, 12), (12, 12), (3, 9), (38, 16), (25, 16), (20, 23), (49, 16), (28, 9), (44, 23), (37, 34), (19, 12), (50, 48), (23, 23), (31, 34), (18, 12), (48, 48)]