current theta: 0.672545914171 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:50 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 5730 rows and 5730 columns Presolve time: 0.26s Presolved: 13177 rows, 13313 columns, 39391 nonzeros Variable types: 0 continuous, 13313 integer (13313 binary) Root relaxation: objective 0.000000e+00, 1034 iterations, 0.02 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 (1034 simplex iterations) in 0.29 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 [19, 41, 55, 65, 67, 69, 73, 78, 87, 109, 118, 119, 123, 135] edges [(37, 135), (69, 135), (131, 135), (118, 78), (124, 118), (57, 135), (103, 135), (38, 135), (128, 135), (97, 135), (77, 135), (86, 135), (70, 87), (54, 135), (13, 135), (50, 135), (82, 135), (109, 135), (91, 135), (123, 135), (80, 135), (110, 135), (119, 87), (36, 135), (85, 135), (126, 135), (58, 135), (90, 135), (83, 135), (99, 135), (53, 135), (61, 135), (93, 135), (42, 135), (104, 135), (26, 87), (71, 135), (66, 135), (98, 135), (79, 135), (112, 135), (74, 135), (106, 135), (41, 135), (6, 135), (127, 135), (78, 87), (43, 67), (114, 135), (14, 135), (113, 135), (48, 135), (108, 135), (45, 135), (122, 135), (46, 135), (22, 135), (111, 135), (101, 135), (62, 135), (52, 118), (117, 135), (0, 135), (35, 135), (34, 135), (8, 135), (40, 135), (92, 135), (76, 78), (136, 135), (115, 135), (2, 135), (19, 135), (11, 135), (95, 135), (16, 135), (49, 65), (10, 135), (135, 135), (25, 135), (51, 135), (3, 87), (134, 135), (31, 135), (24, 135), (56, 135), (30, 78), (23, 135), (4, 135), (21, 135), (100, 78), (59, 135), (7, 135), (39, 135), (32, 135), (64, 135), (60, 87), (121, 135), (12, 135), (44, 135), (129, 135), (125, 135), (17, 135), (15, 135), (47, 135), (88, 87), (72, 135), (20, 135), (96, 135), (81, 135), (9, 87), (120, 135), (55, 135), (18, 135), (28, 135), (27, 87), (33, 135), (65, 135), (63, 135), (130, 135), (68, 135), (132, 135), (73, 135), (87, 87), (116, 87), (5, 87), (94, 135), (107, 135), (133, 135), (67, 135), (1, 135), (29, 135), (102, 135), (84, 135), (75, 135), (89, 135), (105, 135)] current theta: 0.336272957085 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:51 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 14066 rows and 14066 columns Presolve time: 0.11s Presolved: 4841 rows, 4977 columns, 14383 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4977 integer (4977 binary) Root relaxation: objective 0.000000e+00, 1236 iterations, 0.04 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 (2799 simplex iterations) in 0.21 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 [14, 17, 43, 50, 66, 70, 82, 87, 89, 96, 116, 119, 120, 125] edges [(66, 66), (92, 82), (76, 17), (90, 87), (26, 119), (59, 82), (40, 82), (0, 66), (105, 89), (72, 87), (5, 82), (70, 87), (60, 14), (86, 120), (96, 96), (45, 89), (119, 87), (125, 96), (112, 87), (13, 82), (110, 66), (35, 119), (71, 96), (57, 82), (121, 14), (15, 82), (97, 66), (101, 14), (28, 82), (1, 66), (65, 14), (91, 89), (11, 96), (12, 66), (136, 14), (8, 116), (122, 14), (102, 14), (116, 119), (55, 87), (61, 96), (78, 87), (53, 17), (19, 14), (46, 66), (54, 82), (132, 82), (89, 96), (106, 87), (118, 82), (34, 82), (43, 17), (3, 119), (100, 50), (75, 82), (82, 43), (134, 96), (111, 96), (79, 66), (32, 89), (124, 96), (94, 82), (74, 82), (81, 96), (133, 89), (36, 14), (67, 125), (51, 14), (4, 96), (62, 14), (88, 82), (95, 89), (93, 89), (20, 66), (117, 50), (6, 14), (131, 82), (22, 82), (128, 14), (114, 82), (21, 14), (85, 66), (107, 82), (30, 82), (17, 82), (33, 70), (120, 89), (23, 66), (109, 14), (47, 14), (9, 82), (64, 89), (42, 14), (38, 82), (56, 120), (49, 89), (31, 82), (27, 66), (50, 82), (83, 14), (126, 82), (14, 66), (48, 89), (63, 70), (113, 82), (73, 14), (103, 82), (129, 14), (115, 82), (104, 14), (25, 89), (98, 96), (16, 96), (127, 96), (10, 89), (39, 66), (99, 14), (123, 82), (135, 14), (87, 87), (52, 50), (41, 82), (24, 96), (58, 82), (80, 66), (2, 17), (130, 96), (69, 14), (29, 96), (7, 82), (108, 89), (18, 66), (68, 17), (44, 14), (77, 82), (37, 43), (84, 66)] current theta: 0.168136478543 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:51 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17306 rows and 17356 columns Presolve time: 0.03s Presolved: 1601 rows, 1687 columns, 4615 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1687 integer (1687 binary) Root relaxation: cutoff, 1877 iterations, 0.04 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 (1877 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.252204717814 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:51 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 15780 rows and 15783 columns Presolve time: 0.06s Presolved: 3127 rows, 3260 columns, 9238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3260 integer (3260 binary) Root relaxation: objective 0.000000e+00, 1263 iterations, 0.04 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 (2612 simplex iterations) in 0.14 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 [38, 65, 74, 78, 80, 83, 84, 87, 88, 90, 93, 101, 126, 134] edges [(111, 93), (18, 84), (34, 93), (42, 101), (89, 134), (59, 126), (54, 38), (51, 84), (65, 65), (4, 93), (122, 83), (70, 87), (128, 84), (115, 126), (119, 87), (85, 84), (48, 126), (16, 134), (22, 38), (112, 87), (41, 38), (71, 134), (118, 74), (98, 134), (91, 93), (58, 90), (67, 38), (83, 101), (61, 134), (93, 134), (82, 74), (105, 134), (39, 65), (35, 87), (8, 88), (127, 93), (38, 38), (6, 101), (55, 87), (130, 93), (100, 126), (44, 84), (74, 126), (95, 134), (14, 80), (124, 93), (94, 38), (108, 134), (40, 126), (31, 126), (133, 93), (17, 74), (7, 126), (86, 84), (117, 126), (20, 101), (80, 84), (13, 38), (73, 101), (21, 80), (68, 93), (50, 126), (96, 93), (90, 90), (60, 84), (5, 88), (62, 84), (23, 84), (92, 38), (101, 101), (47, 83), (12, 84), (43, 126), (107, 38), (102, 101), (84, 80), (28, 126), (97, 80), (109, 101), (120, 134), (99, 80), (134, 134), (53, 126), (57, 38), (24, 134), (32, 93), (106, 78), (123, 90), (3, 87), (11, 84), (0, 84), (36, 101), (64, 134), (63, 90), (1, 93), (76, 74), (66, 80), (26, 88), (103, 88), (9, 78), (25, 93), (77, 126), (56, 65), (19, 83), (52, 126), (27, 80), (46, 78), (88, 88), (2, 126), (79, 84), (113, 126), (75, 78), (125, 134), (135, 84), (49, 93), (131, 126), (129, 83), (114, 90), (69, 83), (87, 87), (116, 87), (30, 126), (72, 78), (33, 90), (37, 126), (132, 38), (110, 84), (136, 83), (104, 65), (126, 74), (121, 83), (45, 93), (78, 78), (81, 134), (15, 38), (29, 134), (10, 93)] current theta: 0.210170598178 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:51 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 16616 rows and 16630 columns Presolve time: 0.04s Presolved: 2291 rows, 2413 columns, 6719 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2413 integer (2413 binary) Root relaxation: objective 0.000000e+00, 1710 iterations, 0.05 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 (2921 simplex iterations) in 0.12 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 [11, 52, 63, 69, 74, 78, 79, 83, 87, 91, 132, 133, 134, 136] edges [(91, 133), (89, 134), (45, 91), (53, 52), (20, 136), (123, 132), (132, 132), (113, 74), (122, 83), (37, 52), (18, 11), (95, 11), (119, 87), (36, 83), (16, 134), (117, 74), (112, 87), (71, 134), (84, 136), (118, 74), (100, 52), (109, 83), (98, 134), (58, 132), (6, 83), (128, 136), (19, 69), (61, 134), (111, 91), (82, 74), (105, 134), (35, 87), (93, 133), (38, 132), (31, 74), (77, 74), (99, 136), (55, 87), (40, 52), (7, 52), (54, 132), (63, 63), (28, 74), (101, 83), (70, 63), (108, 134), (74, 74), (130, 91), (80, 83), (56, 11), (43, 52), (27, 132), (69, 69), (25, 91), (8, 132), (88, 78), (0, 79), (57, 91), (124, 133), (22, 132), (44, 136), (1, 91), (127, 91), (47, 83), (114, 78), (73, 83), (17, 52), (30, 74), (39, 136), (86, 79), (48, 133), (11, 11), (3, 78), (62, 136), (32, 91), (14, 136), (115, 74), (96, 134), (79, 79), (102, 83), (4, 133), (120, 134), (83, 83), (134, 134), (24, 134), (106, 78), (131, 133), (23, 136), (2, 52), (46, 132), (136, 136), (60, 132), (68, 91), (64, 134), (15, 133), (10, 133), (33, 63), (76, 74), (9, 78), (52, 52), (42, 83), (103, 78), (21, 136), (51, 136), (107, 91), (90, 78), (85, 79), (97, 136), (135, 132), (92, 91), (110, 11), (94, 91), (5, 78), (13, 91), (125, 134), (66, 136), (65, 79), (12, 79), (129, 83), (67, 133), (26, 78), (87, 87), (116, 87), (72, 78), (34, 133), (41, 132), (104, 83), (133, 133), (75, 132), (59, 52), (126, 74), (121, 83), (78, 78), (49, 134), (81, 134), (29, 134), (50, 74)] current theta: 0.189153538361 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:51 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 16958 rows and 16983 columns Presolve time: 0.03s Presolved: 1949 rows, 2060 columns, 5682 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2060 integer (2060 binary) Root relaxation: objective 0.000000e+00, 1727 iterations, 0.05 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 (2956 simplex iterations) in 0.11 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 [6, 13, 28, 33, 51, 52, 65, 72, 82, 87, 127, 131, 133, 134] edges [(12, 65), (49, 133), (11, 65), (19, 6), (75, 13), (54, 13), (113, 28), (80, 33), (115, 52), (60, 13), (130, 127), (65, 65), (5, 82), (70, 87), (26, 72), (50, 52), (129, 6), (119, 87), (16, 134), (118, 52), (71, 134), (37, 131), (66, 51), (100, 52), (98, 134), (36, 6), (61, 134), (88, 28), (125, 133), (105, 134), (35, 87), (107, 13), (93, 133), (53, 131), (55, 87), (3, 72), (33, 33), (51, 65), (132, 13), (79, 65), (108, 134), (110, 127), (112, 72), (20, 65), (123, 13), (40, 131), (28, 28), (47, 6), (42, 6), (23, 33), (43, 131), (89, 133), (74, 28), (128, 65), (124, 133), (136, 51), (117, 82), (135, 127), (94, 82), (83, 6), (92, 127), (17, 52), (99, 33), (48, 133), (39, 127), (32, 131), (73, 6), (96, 134), (15, 131), (46, 13), (102, 6), (4, 133), (120, 134), (134, 134), (91, 127), (24, 134), (131, 133), (9, 72), (64, 134), (85, 65), (21, 33), (69, 6), (111, 51), (27, 33), (2, 131), (63, 33), (52, 52), (72, 72), (8, 72), (58, 72), (86, 65), (31, 82), (56, 65), (38, 127), (10, 131), (95, 127), (57, 13), (97, 33), (114, 72), (59, 131), (1, 13), (18, 65), (126, 82), (68, 133), (22, 13), (45, 133), (7, 131), (30, 28), (13, 127), (103, 28), (0, 65), (25, 133), (6, 6), (67, 133), (121, 6), (106, 72), (101, 6), (87, 87), (41, 82), (78, 72), (116, 87), (34, 133), (62, 65), (14, 6), (127, 127), (77, 28), (90, 72), (82, 82), (44, 13), (133, 133), (109, 6), (122, 6), (104, 65), (84, 65), (81, 134), (29, 134), (76, 52)] current theta: 0.178645008452 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17120 rows and 17156 columns Presolve time: 0.03s Presolved: 1787 rows, 1887 columns, 5185 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1887 integer (1887 binary) Root relaxation: objective 7.105427e-15, 1895 iterations, 0.05 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 (2820 simplex iterations) in 0.11 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 [28, 33, 36, 43, 46, 50, 66, 83, 85, 87, 98, 106, 130, 133] edges [(66, 66), (49, 133), (51, 85), (113, 28), (80, 33), (71, 133), (96, 98), (85, 85), (122, 83), (70, 87), (19, 36), (44, 66), (40, 43), (101, 36), (53, 50), (119, 87), (36, 83), (12, 36), (34, 130), (126, 50), (105, 98), (50, 50), (108, 98), (6, 83), (3, 106), (132, 46), (61, 98), (14, 83), (76, 50), (88, 28), (60, 66), (22, 130), (125, 133), (35, 87), (64, 98), (120, 98), (55, 87), (75, 46), (33, 33), (8, 46), (42, 36), (104, 36), (74, 50), (134, 98), (93, 130), (28, 28), (100, 50), (15, 43), (89, 133), (84, 85), (124, 133), (86, 85), (56, 85), (128, 66), (41, 46), (47, 83), (127, 130), (62, 85), (99, 33), (48, 133), (136, 66), (7, 50), (17, 43), (102, 83), (1, 130), (4, 133), (83, 83), (43, 43), (117, 50), (97, 46), (69, 36), (11, 85), (111, 130), (46, 46), (131, 133), (81, 98), (32, 133), (123, 46), (94, 46), (135, 66), (27, 46), (23, 66), (21, 33), (10, 133), (25, 130), (130, 130), (31, 50), (78, 106), (63, 33), (9, 106), (90, 106), (13, 130), (0, 85), (92, 130), (29, 98), (79, 85), (73, 36), (54, 46), (98, 98), (106, 106), (65, 85), (68, 133), (45, 133), (30, 28), (112, 106), (103, 28), (2, 43), (114, 106), (26, 106), (129, 83), (67, 133), (109, 36), (39, 66), (82, 28), (107, 130), (87, 87), (57, 130), (52, 50), (116, 87), (72, 106), (16, 98), (77, 28), (118, 50), (58, 46), (133, 133), (20, 85), (38, 130), (121, 83), (95, 85), (18, 66), (115, 50), (24, 98), (110, 85), (37, 43), (59, 43), (5, 28), (91, 130)] current theta: 0.173390743497 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17222 rows and 17268 columns Presolve time: 0.03s Presolved: 1685 rows, 1775 columns, 4869 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1775 integer (1775 binary) Root relaxation: objective 0.000000e+00, 1845 iterations, 0.05 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 (3126 simplex iterations) in 0.10 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 [5, 6, 33, 45, 52, 54, 66, 72, 86, 87, 104, 111, 126, 134] edges [(66, 66), (19, 6), (131, 45), (14, 104), (102, 104), (92, 54), (85, 86), (4, 45), (70, 87), (26, 72), (101, 104), (115, 126), (44, 66), (129, 6), (119, 87), (28, 5), (18, 111), (57, 54), (118, 52), (71, 134), (100, 52), (15, 45), (98, 134), (97, 66), (61, 134), (60, 66), (58, 54), (35, 87), (5, 5), (49, 45), (55, 87), (40, 52), (3, 72), (7, 52), (33, 33), (34, 45), (86, 86), (74, 126), (108, 134), (31, 126), (132, 54), (82, 126), (112, 72), (25, 45), (47, 6), (67, 45), (42, 6), (88, 5), (23, 33), (51, 66), (117, 126), (111, 111), (50, 126), (93, 45), (8, 54), (128, 66), (133, 45), (56, 86), (83, 6), (43, 126), (45, 45), (17, 52), (130, 111), (123, 54), (99, 33), (136, 66), (79, 104), (73, 6), (68, 45), (96, 134), (104, 104), (105, 111), (120, 134), (134, 134), (53, 126), (41, 54), (24, 134), (36, 104), (9, 72), (95, 86), (135, 66), (54, 54), (64, 134), (16, 86), (21, 33), (65, 104), (103, 5), (69, 6), (124, 45), (38, 54), (27, 33), (63, 33), (52, 52), (11, 86), (72, 72), (22, 54), (10, 45), (127, 111), (77, 5), (94, 54), (114, 72), (20, 104), (2, 126), (126, 126), (62, 66), (89, 45), (125, 134), (13, 54), (1, 111), (0, 86), (113, 5), (32, 45), (6, 6), (110, 86), (39, 66), (121, 6), (46, 54), (106, 72), (87, 87), (78, 72), (116, 87), (30, 126), (37, 45), (107, 54), (80, 66), (90, 72), (109, 6), (91, 111), (122, 6), (59, 52), (48, 45), (81, 134), (12, 104), (29, 134), (75, 54), (76, 52), (84, 66)] current theta: 0.17076361102 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17266 rows and 17313 columns Presolve time: 0.03s Presolved: 1641 rows, 1730 columns, 4738 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1730 integer (1730 binary) Root relaxation: cutoff, 1643 iterations, 0.04 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 (1643 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.172077177259 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17244 rows and 17291 columns Presolve time: 0.03s Presolved: 1663 rows, 1752 columns, 4802 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1752 integer (1752 binary) Root relaxation: cutoff, 1895 iterations, 0.05 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 (1895 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.172733960378 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17232 rows and 17278 columns Presolve time: 0.03s Presolved: 1675 rows, 1765 columns, 4839 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1765 integer (1765 binary) Root relaxation: objective 0.000000e+00, 1755 iterations, 0.04 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 (1755 simplex iterations) in 0.07 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 [6, 28, 33, 45, 52, 54, 66, 72, 86, 87, 98, 104, 117, 130] edges [(66, 66), (19, 6), (131, 45), (14, 104), (77, 117), (102, 104), (53, 52), (85, 86), (115, 52), (96, 98), (4, 45), (70, 87), (26, 72), (101, 104), (50, 52), (44, 66), (129, 6), (119, 87), (113, 117), (34, 130), (118, 52), (117, 117), (105, 98), (100, 52), (15, 45), (108, 98), (97, 66), (61, 98), (126, 117), (88, 28), (60, 66), (22, 130), (68, 130), (71, 98), (58, 54), (35, 87), (64, 98), (49, 45), (120, 98), (55, 87), (40, 52), (3, 72), (7, 52), (33, 33), (86, 86), (132, 54), (134, 98), (112, 72), (93, 130), (28, 28), (47, 6), (67, 45), (43, 52), (42, 6), (23, 33), (51, 66), (8, 54), (128, 66), (133, 45), (56, 86), (127, 130), (83, 6), (45, 45), (17, 52), (123, 54), (99, 33), (136, 66), (32, 130), (79, 104), (73, 6), (104, 104), (1, 130), (41, 54), (111, 130), (36, 104), (2, 52), (81, 98), (9, 72), (74, 117), (95, 86), (135, 66), (54, 54), (31, 117), (16, 86), (21, 33), (65, 104), (69, 6), (25, 130), (124, 45), (130, 130), (27, 33), (63, 33), (52, 52), (11, 86), (72, 72), (10, 45), (13, 130), (92, 130), (82, 117), (29, 98), (94, 54), (114, 72), (98, 98), (20, 104), (62, 66), (30, 28), (89, 45), (103, 28), (0, 86), (6, 6), (110, 86), (39, 66), (121, 6), (46, 54), (107, 130), (106, 72), (87, 87), (57, 130), (78, 72), (116, 87), (37, 45), (80, 66), (90, 72), (109, 6), (122, 6), (59, 52), (125, 45), (38, 130), (18, 66), (48, 45), (24, 98), (12, 104), (5, 28), (75, 54), (91, 130), (76, 52), (84, 66)] current theta: 0.172405568818 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:52 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17236 rows and 17282 columns Presolve time: 0.03s Presolved: 1671 rows, 1761 columns, 4827 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1761 integer (1761 binary) Root relaxation: cutoff, 1973 iterations, 0.05 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 (1973 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.172569764598 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:53 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17234 rows and 17280 columns Presolve time: 0.03s Presolved: 1673 rows, 1763 columns, 4833 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1763 integer (1763 binary) Root relaxation: cutoff, 1796 iterations, 0.05 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 (1796 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.172651862488 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:18:53 2014 Optimize a model with 18907 rows, 19043 columns and 56581 nonzeros Presolve removed 17234 rows and 17280 columns Presolve time: 0.03s Presolved: 1673 rows, 1763 columns, 4833 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1763 integer (1763 binary) Root relaxation: cutoff, 1796 iterations, 0.05 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 (1796 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -