current theta: 0.675127451254 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:40 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 17186 rows and 17186 columns Presolve time: 1.45s Presolved: 41621 rows, 41862 columns, 124618 nonzeros Variable types: 0 continuous, 41862 integer (41862 binary) Root relaxation: objective 0.000000e+00, 3954 iterations, 0.33 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% - 2s Explored 0 nodes (8349 simplex iterations) in 2.48 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 [3, 16, 18, 30, 37, 41, 47, 55, 66, 73, 76, 83, 90, 100, 103, 109, 113, 126, 160, 169, 197, 203, 215, 220, 227] edges [(119, 90), (42, 16), (155, 169), (184, 73), (170, 100), (116, 90), (34, 55), (22, 126), (212, 103), (215, 215), (129, 169), (83, 126), (178, 169), (149, 109), (70, 160), (209, 47), (69, 90), (58, 126), (194, 47), (51, 160), (122, 90), (235, 66), (186, 18), (175, 30), (226, 76), (31, 47), (148, 3), (5, 90), (17, 55), (236, 90), (162, 160), (140, 160), (210, 160), (82, 160), (225, 160), (71, 90), (203, 227), (98, 160), (238, 30), (91, 160), (240, 47), (97, 73), (153, 160), (219, 160), (77, 100), (57, 160), (189, 160), (26, 160), (14, 227), (220, 197), (188, 30), (102, 113), (99, 160), (213, 100), (72, 47), (106, 37), (192, 55), (161, 160), (158, 30), (105, 47), (237, 66), (127, 197), (109, 90), (180, 160), (200, 160), (160, 227), (239, 113), (151, 18), (0, 73), (23, 160), (33, 47), (182, 126), (41, 3), (32, 37), (229, 227), (95, 66), (90, 160), (86, 126), (113, 227), (138, 160), (234, 55), (206, 160), (163, 109), (143, 126), (39, 126), (144, 55), (79, 18), (12, 83), (27, 30), (176, 30), (38, 109), (80, 83), (2, 30), (191, 160), (214, 3), (52, 73), (156, 3), (60, 197), (50, 126), (48, 160), (218, 160), (179, 66), (207, 66), (223, 37), (61, 169), (8, 30), (16, 227), (25, 160), (103, 160), (28, 55), (65, 160), (63, 126), (37, 169), (185, 37), (136, 100), (55, 160), (75, 160), (199, 30), (233, 83), (40, 30), (118, 160), (130, 160), (145, 126), (96, 18), (167, 55), (67, 227), (137, 109), (121, 83), (88, 160), (177, 55), (13, 160), (131, 160), (36, 160), (35, 83), (181, 109), (49, 3), (7, 3), (217, 109), (47, 169), (139, 169), (93, 160), (141, 160), (190, 227), (221, 126), (100, 30), (198, 109), (146, 76), (76, 83), (10, 37), (204, 160), (152, 160), (87, 100), (73, 83), (126, 169), (183, 83), (11, 160), (104, 160), (78, 160), (201, 100), (15, 215), (46, 160), (24, 227), (205, 47), (123, 197), (132, 103), (94, 160), (173, 76), (231, 47), (30, 76), (1, 83), (112, 30), (68, 160), (107, 30), (19, 169), (171, 83), (134, 3), (241, 83), (92, 169), (164, 55), (222, 160), (45, 160), (133, 160), (150, 203), (197, 55), (110, 113), (6, 160), (114, 30), (29, 160), (196, 160), (142, 76), (165, 90), (21, 160), (89, 109), (84, 160), (193, 100), (43, 160), (66, 197), (4, 197), (211, 160), (230, 90), (227, 227), (208, 3), (228, 55), (128, 160), (120, 55), (115, 73), (232, 37), (159, 47), (81, 37), (166, 90), (85, 90), (169, 47), (108, 160), (54, 160), (74, 160), (202, 73), (101, 76), (44, 160), (157, 3), (64, 16), (59, 160), (18, 160), (62, 160), (117, 90), (174, 103), (124, 47), (9, 227), (135, 90), (3, 90), (111, 197), (147, 55), (154, 55), (56, 169), (53, 90), (125, 103), (172, 160), (224, 76), (195, 100), (187, 160), (168, 113), (216, 55), (20, 76)] current theta: 0.337563725627 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:43 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 43396 rows and 43396 columns Presolve time: 0.35s Presolved: 15411 rows, 15652 columns, 45988 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 15652 integer (15652 binary) Root relaxation: objective 0.000000e+00, 2658 iterations, 0.19 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 (5429 simplex iterations) in 0.76 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, 4, 16, 36, 43, 53, 54, 59, 65, 66, 73, 79, 80, 91, 95, 103, 109, 114, 124, 152, 160, 173, 180, 207, 215] edges [(66, 66), (156, 91), (226, 91), (219, 54), (38, 73), (162, 207), (184, 73), (72, 0), (16, 16), (90, 54), (121, 114), (189, 65), (116, 54), (63, 173), (210, 207), (40, 124), (144, 54), (180, 59), (109, 79), (203, 103), (48, 59), (167, 4), (59, 180), (24, 109), (211, 59), (214, 114), (31, 124), (82, 160), (101, 79), (154, 80), (26, 95), (86, 79), (145, 73), (17, 160), (177, 4), (199, 215), (62, 91), (81, 79), (45, 59), (169, 65), (75, 215), (125, 73), (54, 43), (204, 0), (128, 36), (70, 16), (208, 54), (202, 114), (158, 79), (99, 160), (105, 4), (55, 54), (166, 114), (178, 114), (91, 54), (78, 59), (11, 207), (188, 73), (88, 59), (92, 54), (123, 207), (221, 103), (12, 91), (225, 59), (130, 65), (71, 124), (113, 16), (20, 73), (153, 0), (87, 114), (151, 80), (163, 109), (152, 103), (236, 207), (93, 54), (182, 114), (195, 114), (95, 207), (32, 180), (119, 54), (47, 79), (217, 114), (146, 79), (3, 80), (132, 152), (213, 207), (240, 114), (68, 207), (198, 79), (14, 103), (34, 114), (181, 114), (207, 66), (79, 79), (37, 73), (222, 43), (235, 80), (115, 79), (50, 0), (98, 103), (233, 114), (118, 59), (129, 114), (60, 80), (157, 114), (147, 53), (58, 73), (141, 59), (196, 207), (61, 114), (138, 54), (186, 109), (1, 80), (65, 79), (100, 80), (234, 80), (185, 124), (231, 73), (216, 207), (229, 59), (150, 0), (96, 65), (205, 36), (21, 54), (173, 65), (161, 54), (174, 109), (49, 114), (83, 124), (192, 0), (77, 114), (25, 43), (165, 124), (22, 124), (103, 103), (51, 43), (89, 79), (120, 54), (117, 114), (228, 54), (112, 114), (239, 103), (18, 59), (53, 114), (160, 59), (176, 73), (33, 124), (106, 79), (215, 54), (13, 36), (149, 173), (194, 114), (220, 207), (111, 54), (85, 103), (35, 124), (94, 160), (8, 73), (97, 79), (73, 109), (171, 114), (137, 79), (168, 103), (148, 114), (36, 54), (10, 124), (170, 53), (9, 109), (227, 16), (108, 59), (206, 54), (155, 124), (114, 114), (241, 124), (238, 114), (183, 215), (84, 66), (6, 160), (175, 114), (134, 207), (232, 73), (29, 160), (46, 59), (136, 114), (110, 16), (200, 59), (143, 124), (80, 114), (74, 54), (39, 124), (0, 79), (218, 54), (131, 54), (127, 207), (212, 79), (190, 0), (230, 65), (52, 79), (223, 79), (107, 207), (102, 103), (64, 103), (164, 207), (133, 207), (193, 124), (187, 36), (56, 114), (124, 124), (2, 79), (67, 16), (15, 54), (44, 160), (197, 66), (43, 95), (140, 59), (209, 36), (28, 66), (69, 79), (224, 180), (159, 54), (57, 36), (179, 53), (23, 66), (30, 173), (104, 65), (201, 114), (5, 79), (7, 114), (27, 124), (172, 16), (19, 114), (4, 4), (135, 109), (139, 160), (237, 36), (41, 207), (126, 124), (42, 103), (191, 152), (122, 207), (142, 114), (76, 103)] current theta: 0.168781862814 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:44 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 53986 rows and 53996 columns Presolve time: 0.11s Presolved: 4821 rows, 5052 columns, 14208 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5052 integer (5052 binary) Root relaxation: objective -3.552714e-15, 2873 iterations, 0.11 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 (4432 simplex iterations) in 0.26 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, 84, 100, 113, 115, 131, 139, 158, 161, 163, 178, 222, 223, 225, 229, 231, 232, 233, 234, 235, 236, 237, 238, 239, 241] edges [(43, 222), (208, 236), (202, 158), (50, 229), (32, 229), (143, 115), (41, 233), (234, 234), (12, 236), (233, 236), (218, 84), (9, 239), (201, 235), (48, 225), (197, 237), (205, 222), (40, 241), (20, 223), (142, 234), (105, 234), (93, 131), (53, 178), (238, 238), (159, 178), (23, 222), (200, 229), (194, 235), (123, 233), (56, 158), (98, 113), (78, 222), (60, 235), (38, 163), (61, 241), (86, 239), (79, 232), (15, 238), (125, 232), (29, 229), (111, 236), (55, 161), (156, 237), (207, 237), (222, 84), (174, 232), (140, 225), (66, 237), (36, 222), (214, 178), (87, 234), (30, 241), (116, 238), (90, 158), (3, 100), (236, 236), (223, 223), (27, 115), (11, 222), (75, 131), (102, 239), (62, 222), (34, 235), (190, 161), (65, 238), (1, 234), (104, 158), (107, 178), (126, 223), (118, 225), (14, 239), (196, 84), (185, 163), (209, 237), (89, 115), (57, 222), (76, 163), (45, 222), (96, 234), (26, 84), (64, 139), (192, 158), (191, 131), (227, 113), (59, 225), (19, 241), (94, 113), (153, 229), (228, 235), (241, 241), (193, 1), (157, 234), (137, 158), (115, 231), (67, 225), (203, 113), (165, 232), (99, 225), (91, 236), (199, 238), (129, 238), (28, 237), (128, 161), (204, 229), (177, 241), (213, 236), (5, 231), (188, 232), (167, 234), (212, 139), (69, 115), (6, 225), (225, 225), (224, 229), (81, 232), (134, 233), (110, 225), (77, 234), (70, 229), (135, 115), (175, 235), (226, 161), (95, 237), (186, 232), (184, 163), (47, 161), (210, 84), (221, 139), (39, 241), (239, 239), (146, 158), (109, 223), (72, 115), (46, 229), (85, 229), (173, 232), (136, 241), (138, 161), (162, 236), (17, 139), (73, 223), (44, 225), (16, 113), (147, 235), (198, 139), (8, 231), (92, 236), (164, 233), (74, 131), (235, 235), (155, 163), (7, 236), (229, 229), (182, 241), (101, 163), (119, 233), (121, 241), (154, 235), (161, 161), (52, 115), (150, 229), (31, 241), (216, 237), (80, 235), (145, 232), (176, 231), (163, 232), (58, 232), (42, 139), (178, 236), (219, 131), (71, 232), (49, 234), (82, 225), (63, 223), (166, 235), (195, 235), (18, 229), (21, 222), (130, 161), (169, 158), (2, 232), (168, 139), (160, 113), (217, 241), (206, 222), (113, 113), (170, 234), (51, 236), (68, 131), (124, 115), (24, 239), (10, 241), (148, 234), (0, 161), (84, 222), (131, 131), (103, 139), (122, 237), (179, 178), (189, 238), (220, 237), (152, 229), (25, 222), (112, 234), (127, 236), (141, 229), (37, 223), (35, 161), (100, 100), (54, 236), (231, 232), (117, 234), (83, 241), (97, 231), (132, 139), (108, 225), (158, 161), (88, 131), (4, 234), (181, 241), (171, 234), (114, 235), (33, 231), (180, 225), (230, 178), (106, 139), (151, 235), (237, 237), (211, 84), (120, 237), (149, 238), (139, 139), (240, 241), (187, 131), (144, 236), (172, 139), (13, 236), (232, 232), (183, 236), (133, 222), (22, 1), (215, 178)] current theta: 0.0843909314068 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:44 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 57202 rows and 57438 columns Presolve time: 0.05s Presolved: 1605 rows, 1610 columns, 4340 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1610 integer (1609 binary) Root relaxation: cutoff, 1958 iterations, 0.02 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 (1958 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: 0.12658639711 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:45 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55820 rows and 55886 columns Presolve time: 0.08s Presolved: 2987 rows, 3162 columns, 8652 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3162 integer (3162 binary) Root relaxation: objective 7.500000e-02, 3976 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.07500 0 726 - 0.07500 - - 0s Explored 0 nodes (9358 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.147684129962 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:45 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 54970 rows and 54997 columns Presolve time: 0.09s Presolved: 3837 rows, 4051 columns, 11239 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4051 integer (4051 binary) Root relaxation: objective 7.105427e-15, 3012 iterations, 0.12 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 (5065 simplex iterations) in 0.28 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, 29, 66, 81, 83, 84, 87, 96, 100, 108, 113, 139, 146, 165, 166, 192, 197, 219, 222, 229, 231, 233, 236, 238, 241] edges [(66, 66), (143, 146), (169, 192), (50, 229), (226, 238), (190, 146), (200, 29), (1, 96), (148, 96), (215, 238), (86, 9), (128, 238), (12, 236), (233, 236), (89, 231), (218, 84), (124, 231), (170, 96), (205, 222), (40, 241), (99, 108), (238, 238), (23, 222), (33, 81), (52, 146), (114, 166), (123, 233), (79, 165), (98, 113), (78, 222), (195, 166), (155, 165), (73, 81), (223, 81), (118, 108), (15, 238), (29, 229), (41, 236), (231, 231), (37, 81), (220, 197), (149, 146), (93, 108), (77, 96), (22, 146), (35, 146), (36, 222), (0, 192), (208, 233), (72, 83), (145, 165), (90, 238), (30, 241), (116, 238), (3, 100), (236, 236), (138, 238), (202, 238), (158, 146), (192, 192), (62, 222), (174, 81), (75, 219), (197, 197), (67, 108), (65, 238), (125, 165), (237, 197), (196, 84), (6, 108), (188, 165), (57, 222), (107, 236), (45, 222), (175, 166), (26, 84), (239, 9), (64, 139), (234, 96), (227, 113), (163, 192), (84, 84), (184, 192), (156, 197), (179, 238), (19, 241), (94, 113), (219, 219), (4, 166), (153, 229), (44, 108), (241, 241), (142, 96), (97, 81), (115, 231), (80, 87), (203, 113), (194, 166), (69, 231), (70, 29), (91, 236), (199, 238), (193, 146), (204, 229), (177, 241), (222, 222), (213, 236), (5, 231), (136, 100), (212, 139), (122, 197), (38, 9), (224, 229), (134, 233), (230, 238), (110, 108), (53, 238), (147, 166), (34, 166), (214, 96), (60, 166), (207, 197), (210, 84), (221, 139), (121, 83), (82, 108), (39, 241), (137, 192), (225, 108), (46, 229), (96, 96), (27, 83), (180, 108), (235, 166), (81, 81), (173, 165), (109, 81), (32, 139), (228, 166), (16, 113), (76, 9), (198, 139), (8, 231), (92, 236), (59, 108), (164, 233), (87, 100), (146, 146), (185, 165), (7, 236), (229, 229), (108, 108), (55, 219), (74, 219), (182, 241), (191, 229), (119, 233), (165, 165), (140, 108), (11, 84), (2, 81), (150, 229), (209, 197), (31, 241), (161, 238), (56, 238), (131, 219), (176, 231), (49, 166), (42, 139), (101, 192), (154, 166), (232, 165), (105, 87), (43, 84), (151, 166), (18, 229), (21, 222), (88, 219), (168, 139), (171, 87), (160, 113), (217, 241), (206, 222), (113, 113), (51, 236), (28, 197), (10, 241), (24, 9), (157, 100), (95, 197), (14, 9), (120, 197), (129, 96), (58, 231), (189, 238), (9, 9), (167, 96), (71, 165), (152, 229), (178, 233), (25, 222), (127, 236), (201, 166), (186, 165), (141, 229), (126, 81), (104, 192), (112, 241), (100, 100), (61, 87), (54, 236), (20, 9), (83, 241), (135, 231), (47, 192), (132, 139), (102, 139), (85, 139), (216, 197), (181, 241), (187, 222), (48, 108), (162, 222), (103, 113), (106, 139), (117, 96), (211, 84), (139, 139), (240, 241), (63, 9), (111, 233), (68, 222), (144, 236), (172, 139), (13, 236), (183, 236), (133, 222), (166, 166), (159, 96), (130, 219), (17, 113)] current theta: 0.137135263536 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:46 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55394 rows and 55432 columns Presolve time: 0.09s Presolved: 3413 rows, 3616 columns, 9958 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3616 integer (3616 binary) Root relaxation: objective 7.105427e-15, 3644 iterations, 0.17 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 (9230 simplex iterations) in 0.41 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, 66, 74, 84, 86, 108, 113, 120, 129, 130, 134, 135, 139, 143, 152, 155, 157, 171, 174, 222, 234, 235, 238, 241] edges [(66, 66), (190, 155), (226, 238), (35, 155), (220, 134), (164, 134), (109, 2), (215, 238), (128, 238), (234, 234), (232, 174), (218, 84), (201, 235), (233, 12), (197, 120), (20, 2), (205, 222), (40, 241), (99, 108), (142, 234), (137, 155), (86, 86), (178, 12), (141, 152), (122, 134), (238, 238), (163, 155), (50, 152), (194, 235), (236, 12), (98, 113), (213, 134), (37, 174), (29, 152), (80, 234), (60, 235), (229, 152), (61, 241), (118, 108), (4, 235), (188, 2), (15, 238), (28, 120), (75, 74), (12, 12), (65, 130), (79, 2), (222, 84), (93, 108), (36, 222), (5, 143), (209, 120), (237, 120), (90, 238), (130, 130), (55, 130), (87, 234), (30, 241), (116, 238), (202, 238), (211, 222), (11, 222), (52, 143), (62, 222), (34, 235), (157, 171), (67, 108), (183, 134), (123, 134), (196, 84), (6, 108), (125, 174), (214, 129), (149, 129), (231, 135), (45, 222), (76, 86), (96, 234), (26, 84), (64, 139), (2, 2), (119, 134), (107, 12), (92, 134), (69, 143), (1, 129), (227, 113), (78, 84), (74, 74), (145, 155), (57, 84), (179, 238), (19, 241), (94, 113), (13, 74), (44, 108), (228, 235), (241, 241), (41, 134), (105, 171), (203, 113), (184, 86), (154, 234), (199, 238), (129, 129), (95, 120), (177, 241), (167, 234), (212, 139), (156, 134), (230, 238), (77, 234), (110, 108), (53, 238), (208, 134), (175, 235), (151, 234), (70, 152), (49, 235), (223, 2), (210, 84), (97, 174), (221, 139), (82, 108), (39, 241), (138, 130), (23, 84), (136, 157), (225, 108), (148, 129), (193, 129), (165, 174), (192, 155), (180, 108), (14, 86), (121, 129), (88, 74), (16, 113), (127, 134), (46, 152), (191, 130), (158, 155), (198, 139), (71, 155), (59, 108), (235, 235), (101, 130), (54, 74), (120, 120), (219, 74), (104, 155), (38, 155), (108, 108), (182, 241), (152, 152), (134, 134), (162, 74), (0, 155), (114, 234), (140, 108), (63, 2), (31, 241), (161, 238), (3, 157), (51, 74), (216, 120), (56, 238), (33, 174), (147, 234), (42, 139), (239, 86), (43, 84), (24, 86), (166, 235), (195, 235), (21, 222), (150, 152), (168, 139), (160, 113), (217, 241), (206, 222), (113, 113), (170, 234), (72, 143), (111, 12), (115, 135), (10, 241), (174, 2), (84, 222), (153, 130), (27, 143), (124, 143), (207, 120), (143, 143), (189, 238), (89, 143), (58, 174), (22, 129), (204, 130), (73, 174), (25, 222), (91, 74), (112, 241), (131, 74), (81, 2), (185, 155), (169, 155), (117, 234), (83, 241), (8, 135), (200, 152), (132, 139), (102, 139), (126, 174), (85, 139), (159, 12), (181, 241), (176, 143), (187, 222), (171, 234), (48, 108), (146, 143), (103, 113), (100, 157), (106, 139), (7, 134), (32, 152), (47, 155), (186, 2), (139, 139), (240, 241), (9, 86), (224, 130), (173, 143), (68, 222), (172, 139), (135, 135), (144, 74), (155, 155), (133, 222), (18, 152), (17, 113)] current theta: 0.131860830323 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:46 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55610 rows and 55661 columns Presolve time: 0.08s Presolved: 3197 rows, 3387 columns, 9297 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3387 integer (3387 binary) Root relaxation: objective 0.000000e+00, 3846 iterations, 0.20 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 (5750 simplex iterations) in 0.37 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 [24, 27, 28, 48, 66, 73, 78, 103, 113, 131, 137, 140, 142, 144, 152, 157, 164, 188, 191, 195, 198, 226, 230, 231, 240] edges [(66, 66), (217, 240), (153, 191), (195, 195), (108, 48), (116, 226), (1, 142), (196, 78), (42, 198), (202, 226), (89, 231), (82, 48), (214, 230), (199, 226), (27, 27), (124, 231), (35, 226), (228, 164), (123, 164), (107, 144), (237, 28), (110, 48), (126, 73), (13, 144), (44, 140), (151, 142), (149, 142), (182, 240), (141, 152), (95, 28), (50, 152), (185, 137), (129, 142), (188, 188), (99, 140), (98, 113), (173, 231), (7, 164), (226, 226), (29, 152), (229, 152), (204, 191), (121, 27), (198, 198), (190, 226), (97, 73), (102, 198), (163, 188), (20, 188), (87, 157), (172, 198), (63, 188), (231, 231), (90, 226), (36, 78), (38, 188), (168, 198), (138, 226), (175, 195), (132, 198), (53, 230), (210, 78), (130, 191), (145, 188), (161, 226), (75, 131), (79, 188), (47, 137), (194, 195), (179, 230), (76, 198), (43, 78), (11, 140), (155, 137), (65, 226), (227, 113), (71, 137), (80, 195), (127, 164), (73, 73), (94, 113), (223, 73), (4, 195), (48, 48), (232, 188), (115, 231), (203, 113), (104, 137), (211, 78), (69, 231), (37, 73), (41, 144), (96, 230), (2, 188), (5, 231), (83, 240), (181, 240), (218, 78), (54, 144), (183, 164), (70, 152), (51, 144), (166, 195), (128, 226), (136, 157), (191, 191), (224, 152), (10, 240), (119, 164), (15, 226), (230, 230), (22, 27), (103, 103), (180, 140), (56, 226), (216, 28), (148, 230), (16, 113), (46, 152), (59, 140), (189, 226), (8, 231), (72, 240), (52, 27), (186, 188), (67, 48), (74, 131), (156, 28), (207, 28), (241, 240), (215, 230), (12, 230), (159, 230), (81, 73), (205, 131), (109, 73), (152, 152), (212, 198), (164, 164), (233, 144), (24, 24), (146, 27), (17, 103), (19, 240), (3, 157), (14, 24), (176, 231), (167, 142), (240, 240), (158, 226), (201, 195), (114, 195), (21, 131), (77, 142), (219, 131), (118, 140), (234, 142), (239, 24), (125, 231), (26, 78), (170, 142), (150, 152), (140, 140), (55, 191), (220, 28), (171, 157), (64, 198), (137, 137), (78, 78), (160, 113), (91, 144), (113, 113), (93, 140), (68, 131), (57, 78), (157, 157), (39, 240), (165, 188), (208, 144), (6, 48), (139, 198), (111, 164), (117, 142), (147, 195), (84, 78), (238, 230), (131, 131), (25, 140), (106, 198), (225, 140), (143, 27), (40, 240), (23, 78), (206, 140), (58, 231), (85, 152), (213, 144), (45, 140), (105, 195), (28, 28), (62, 140), (120, 28), (154, 195), (178, 230), (134, 164), (192, 137), (112, 142), (135, 231), (200, 152), (197, 28), (61, 142), (144, 144), (88, 131), (33, 73), (222, 78), (60, 195), (86, 24), (193, 27), (31, 240), (100, 157), (236, 144), (32, 152), (9, 24), (101, 137), (169, 137), (18, 131), (187, 131), (92, 28), (162, 144), (49, 195), (221, 198), (184, 188), (235, 195), (177, 240), (209, 28), (133, 78), (122, 28), (142, 142), (30, 240), (174, 188), (34, 164), (0, 137)] current theta: 0.129223613717 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:47 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55732 rows and 55794 columns Presolve time: 0.08s Presolved: 3075 rows, 3254 columns, 8920 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3254 integer (3254 binary) Root relaxation: objective 5.684342e-14, 3635 iterations, 0.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 308 - 0.00000 - - 0s 0 0 0.00000 0 467 - 0.00000 - - 0s 0 0 0.00000 0 214 - 0.00000 - - 0s 0 0 0.00000 0 146 - 0.00000 - - 1s * 0 0 0 0.0000000 0.00000 0.00% - 1s Cutting planes: Gomory: 1 Zero half: 9 Explored 0 nodes (21666 simplex iterations) in 1.07 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 [4, 8, 9, 10, 28, 54, 55, 66, 67, 78, 113, 116, 123, 140, 142, 146, 152, 157, 168, 169, 174, 178, 205, 212, 223] edges [(66, 66), (56, 146), (6, 140), (174, 223), (181, 10), (155, 169), (41, 28), (188, 223), (86, 9), (137, 169), (1, 142), (196, 78), (193, 10), (232, 174), (19, 10), (204, 55), (237, 28), (166, 4), (111, 123), (144, 54), (44, 140), (20, 223), (149, 142), (141, 152), (167, 4), (53, 178), (128, 55), (95, 28), (12, 178), (159, 178), (74, 205), (50, 152), (52, 146), (116, 116), (129, 142), (139, 168), (29, 152), (173, 8), (229, 152), (199, 116), (22, 10), (127, 123), (83, 10), (54, 54), (27, 10), (231, 8), (130, 55), (87, 157), (98, 67), (235, 4), (5, 8), (36, 78), (169, 169), (105, 4), (101, 169), (214, 178), (91, 54), (210, 78), (223, 223), (145, 174), (121, 10), (161, 55), (147, 4), (212, 212), (183, 123), (236, 54), (191, 55), (148, 142), (107, 178), (132, 212), (69, 8), (238, 116), (90, 55), (125, 174), (43, 78), (11, 140), (239, 9), (80, 4), (227, 113), (189, 55), (175, 4), (94, 113), (154, 4), (49, 4), (64, 212), (203, 113), (198, 212), (211, 78), (143, 8), (164, 123), (162, 205), (153, 55), (48, 67), (38, 9), (77, 4), (218, 78), (119, 123), (228, 178), (225, 67), (79, 9), (70, 152), (97, 174), (114, 4), (136, 157), (177, 10), (224, 152), (106, 212), (21, 140), (109, 223), (42, 168), (165, 174), (102, 212), (30, 10), (151, 4), (40, 10), (47, 169), (180, 140), (240, 10), (163, 9), (34, 123), (73, 223), (216, 28), (16, 113), (46, 152), (59, 140), (35, 116), (192, 169), (226, 116), (184, 9), (72, 10), (156, 28), (71, 169), (241, 10), (207, 28), (7, 123), (108, 140), (146, 146), (221, 212), (134, 123), (152, 152), (76, 212), (82, 67), (10, 10), (202, 116), (213, 123), (3, 157), (31, 10), (168, 168), (194, 4), (39, 157), (33, 174), (115, 8), (0, 169), (96, 142), (190, 169), (118, 140), (138, 55), (89, 8), (26, 78), (67, 67), (150, 152), (140, 140), (220, 28), (171, 157), (78, 78), (160, 113), (113, 113), (93, 140), (58, 8), (219, 55), (57, 78), (157, 157), (131, 205), (117, 4), (24, 9), (186, 9), (205, 205), (84, 78), (112, 10), (110, 67), (23, 78), (179, 178), (206, 140), (85, 152), (9, 9), (45, 140), (60, 4), (63, 174), (185, 169), (233, 178), (28, 28), (62, 140), (195, 4), (68, 205), (81, 223), (37, 223), (120, 28), (2, 223), (200, 152), (208, 28), (197, 28), (61, 142), (126, 174), (104, 169), (170, 4), (222, 78), (172, 168), (124, 8), (14, 212), (51, 54), (230, 178), (100, 157), (201, 4), (123, 123), (99, 67), (32, 152), (176, 8), (15, 116), (178, 178), (55, 55), (92, 28), (25, 205), (158, 169), (13, 54), (182, 10), (65, 55), (88, 205), (103, 168), (217, 10), (209, 28), (133, 78), (122, 28), (4, 4), (142, 142), (187, 205), (8, 8), (18, 152), (135, 8), (75, 54), (17, 113), (215, 178), (234, 4)] current theta: 0.127905005413 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:48 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55774 rows and 55839 columns Presolve time: 0.08s Presolved: 3033 rows, 3209 columns, 8791 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3209 integer (3209 binary) Root relaxation: objective 7.105427e-14, 3865 iterations, 0.20 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 (10250 simplex iterations) in 0.45 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 [8, 9, 10, 28, 55, 66, 67, 78, 90, 91, 113, 123, 140, 142, 146, 152, 157, 169, 172, 174, 178, 195, 205, 212, 223] edges [(66, 66), (56, 146), (6, 140), (195, 195), (174, 223), (54, 91), (155, 169), (41, 28), (116, 90), (188, 223), (86, 9), (137, 169), (1, 142), (196, 78), (193, 10), (232, 174), (19, 10), (55, 90), (204, 55), (237, 28), (44, 140), (151, 142), (20, 223), (149, 142), (141, 152), (53, 178), (144, 91), (95, 28), (12, 178), (159, 178), (50, 152), (52, 146), (129, 142), (99, 140), (29, 152), (173, 8), (229, 152), (22, 10), (83, 10), (217, 142), (27, 10), (231, 8), (87, 157), (98, 67), (183, 178), (5, 8), (35, 146), (36, 78), (169, 169), (175, 195), (101, 169), (214, 178), (210, 78), (223, 223), (145, 174), (121, 10), (161, 55), (168, 172), (212, 212), (194, 195), (191, 55), (148, 142), (107, 178), (132, 212), (69, 8), (90, 55), (125, 174), (43, 78), (42, 172), (11, 140), (239, 9), (227, 113), (80, 195), (189, 55), (94, 113), (236, 91), (64, 212), (4, 195), (228, 123), (203, 113), (211, 78), (143, 8), (164, 123), (162, 205), (153, 55), (48, 67), (128, 90), (40, 142), (38, 9), (218, 78), (74, 91), (119, 123), (225, 67), (70, 152), (31, 142), (97, 174), (166, 195), (136, 157), (177, 10), (224, 152), (106, 212), (79, 174), (21, 140), (109, 223), (165, 174), (238, 90), (102, 212), (30, 10), (47, 169), (51, 91), (180, 140), (240, 10), (163, 9), (34, 123), (71, 146), (216, 28), (16, 113), (139, 172), (130, 90), (46, 152), (59, 140), (192, 169), (184, 9), (72, 10), (156, 28), (241, 10), (207, 28), (7, 123), (108, 140), (146, 146), (221, 212), (134, 123), (152, 152), (76, 212), (82, 67), (10, 10), (198, 172), (213, 123), (3, 157), (39, 157), (167, 142), (33, 174), (201, 195), (115, 8), (114, 195), (0, 169), (138, 90), (96, 142), (77, 142), (190, 169), (118, 140), (234, 142), (89, 8), (26, 78), (67, 67), (170, 142), (150, 152), (140, 140), (220, 28), (171, 157), (91, 91), (78, 78), (160, 113), (113, 113), (226, 90), (93, 140), (58, 8), (219, 55), (103, 172), (57, 78), (157, 157), (131, 205), (127, 178), (2, 174), (75, 91), (24, 9), (117, 142), (186, 9), (147, 195), (205, 205), (84, 78), (25, 140), (110, 67), (23, 78), (179, 178), (206, 140), (85, 152), (9, 9), (45, 140), (105, 195), (63, 174), (65, 90), (185, 169), (73, 174), (233, 178), (28, 28), (62, 140), (68, 205), (81, 223), (37, 223), (120, 28), (172, 172), (15, 90), (154, 195), (112, 142), (200, 152), (208, 28), (197, 28), (61, 142), (126, 174), (104, 169), (222, 78), (199, 90), (124, 8), (60, 195), (14, 212), (230, 178), (100, 157), (123, 123), (32, 152), (176, 8), (13, 91), (178, 178), (92, 28), (158, 169), (49, 195), (181, 142), (111, 178), (235, 195), (182, 10), (202, 90), (88, 205), (209, 28), (133, 78), (122, 28), (142, 142), (187, 205), (8, 8), (18, 152), (135, 8), (17, 113), (215, 178)] current theta: 0.127245701262 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:49 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55804 rows and 55870 columns Presolve time: 0.08s Presolved: 3003 rows, 3178 columns, 8700 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3178 integer (3178 binary) Root relaxation: objective -4.263256e-14, 3821 iterations, 0.21 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 (6008 simplex iterations) in 0.40 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 [8, 9, 10, 27, 28, 42, 55, 66, 67, 78, 91, 113, 119, 140, 142, 152, 157, 169, 174, 178, 195, 199, 205, 212, 223] edges [(66, 66), (199, 199), (6, 140), (195, 195), (174, 223), (181, 10), (189, 199), (54, 91), (155, 169), (41, 28), (188, 223), (86, 9), (137, 169), (1, 142), (196, 78), (123, 119), (232, 174), (19, 10), (168, 42), (204, 55), (226, 199), (237, 28), (44, 140), (151, 142), (20, 223), (149, 142), (141, 152), (89, 27), (53, 178), (144, 91), (128, 55), (95, 28), (12, 178), (159, 178), (116, 199), (74, 205), (50, 152), (129, 142), (99, 140), (29, 152), (173, 8), (229, 152), (22, 10), (121, 27), (83, 10), (27, 10), (231, 8), (130, 55), (87, 157), (98, 67), (183, 178), (5, 8), (103, 42), (233, 119), (36, 78), (169, 169), (175, 195), (101, 169), (214, 178), (210, 78), (223, 223), (145, 174), (172, 42), (212, 212), (194, 195), (191, 55), (148, 142), (107, 178), (132, 212), (69, 8), (125, 174), (43, 78), (11, 140), (164, 119), (239, 9), (227, 113), (80, 195), (94, 113), (236, 91), (4, 195), (182, 27), (203, 113), (198, 212), (211, 78), (143, 8), (162, 205), (42, 42), (153, 55), (48, 67), (38, 9), (218, 78), (228, 178), (225, 67), (79, 9), (70, 152), (31, 142), (97, 174), (119, 119), (166, 195), (136, 157), (177, 10), (15, 199), (224, 152), (106, 212), (21, 140), (109, 223), (165, 174), (7, 178), (102, 212), (35, 199), (40, 10), (47, 169), (51, 91), (180, 140), (213, 119), (240, 10), (163, 9), (161, 199), (73, 223), (216, 28), (16, 113), (56, 199), (46, 152), (59, 140), (192, 169), (52, 27), (184, 9), (34, 119), (72, 10), (156, 28), (71, 169), (241, 10), (207, 28), (108, 140), (221, 212), (152, 152), (76, 212), (82, 67), (202, 199), (146, 27), (30, 27), (3, 157), (39, 157), (167, 142), (33, 174), (201, 195), (139, 42), (115, 8), (114, 195), (0, 169), (96, 142), (77, 142), (190, 169), (118, 140), (234, 142), (90, 199), (63, 223), (138, 55), (26, 78), (67, 67), (170, 142), (150, 152), (140, 140), (220, 28), (171, 157), (91, 91), (134, 119), (78, 78), (160, 113), (113, 113), (93, 140), (58, 8), (219, 55), (57, 78), (157, 157), (238, 199), (131, 205), (127, 178), (10, 27), (75, 91), (24, 9), (117, 142), (186, 9), (147, 195), (205, 205), (84, 78), (25, 140), (110, 67), (23, 78), (179, 178), (206, 140), (85, 152), (9, 9), (45, 140), (105, 195), (185, 169), (28, 28), (62, 140), (68, 205), (81, 223), (37, 223), (120, 28), (154, 195), (112, 142), (2, 223), (200, 152), (208, 28), (197, 28), (61, 142), (126, 174), (104, 169), (222, 78), (124, 8), (60, 195), (14, 212), (64, 42), (193, 27), (230, 178), (100, 157), (32, 152), (176, 8), (13, 91), (178, 178), (55, 55), (92, 28), (111, 119), (158, 169), (49, 195), (235, 195), (65, 55), (88, 205), (217, 10), (209, 28), (133, 78), (122, 28), (142, 142), (187, 205), (8, 8), (18, 152), (135, 8), (17, 113), (215, 178)] current theta: 0.126916049186 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:50 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55812 rows and 55878 columns Presolve time: 0.08s Presolved: 2995 rows, 3170 columns, 8676 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 3170 integer (3170 binary) Root relaxation: cutoff, 67 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 (67 simplex iterations) in 0.09 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 [8, 9, 10, 27, 28, 42, 55, 66, 67, 78, 91, 113, 119, 140, 142, 152, 157, 169, 174, 178, 195, 199, 205, 212, 223] edges [(66, 66), (199, 199), (6, 140), (195, 195), (174, 223), (181, 10), (189, 199), (54, 91), (155, 169), (41, 28), (188, 223), (86, 9), (137, 169), (1, 142), (196, 78), (123, 119), (232, 174), (19, 10), (168, 42), (204, 55), (226, 199), (237, 28), (44, 140), (151, 142), (20, 223), (149, 142), (141, 152), (89, 27), (53, 178), (144, 91), (128, 55), (95, 28), (12, 178), (159, 178), (116, 199), (74, 205), (50, 152), (129, 142), (99, 140), (29, 152), (173, 8), (229, 152), (22, 10), (121, 27), (83, 10), (27, 10), (231, 8), (130, 55), (87, 157), (98, 67), (183, 178), (5, 8), (103, 42), (233, 119), (36, 78), (169, 169), (175, 195), (101, 169), (214, 178), (210, 78), (223, 223), (145, 174), (172, 42), (212, 212), (194, 195), (191, 55), (148, 142), (107, 178), (132, 212), (69, 8), (125, 174), (43, 78), (11, 140), (164, 119), (239, 9), (227, 113), (80, 195), (94, 113), (236, 91), (4, 195), (182, 27), (203, 113), (198, 212), (211, 78), (143, 8), (162, 205), (42, 42), (153, 55), (48, 67), (38, 9), (218, 78), (228, 178), (225, 67), (79, 9), (70, 152), (31, 142), (97, 174), (119, 119), (166, 195), (136, 157), (177, 10), (15, 199), (224, 152), (106, 212), (21, 140), (109, 223), (165, 174), (7, 178), (102, 212), (35, 199), (40, 10), (47, 169), (51, 91), (180, 140), (213, 119), (240, 10), (163, 9), (161, 199), (73, 223), (216, 28), (16, 113), (56, 199), (46, 152), (59, 140), (192, 169), (52, 27), (184, 9), (34, 119), (72, 10), (156, 28), (71, 169), (241, 10), (207, 28), (108, 140), (221, 212), (152, 152), (76, 212), (82, 67), (202, 199), (146, 27), (30, 27), (3, 157), (39, 157), (167, 142), (33, 174), (201, 195), (139, 42), (115, 8), (114, 195), (0, 169), (96, 142), (77, 142), (190, 169), (118, 140), (234, 142), (90, 199), (63, 223), (138, 55), (26, 78), (67, 67), (170, 142), (150, 152), (140, 140), (220, 28), (171, 157), (91, 91), (134, 119), (78, 78), (160, 113), (113, 113), (93, 140), (58, 8), (219, 55), (57, 78), (157, 157), (238, 199), (131, 205), (127, 178), (10, 27), (75, 91), (24, 9), (117, 142), (186, 9), (147, 195), (205, 205), (84, 78), (25, 140), (110, 67), (23, 78), (179, 178), (206, 140), (85, 152), (9, 9), (45, 140), (105, 195), (185, 169), (28, 28), (62, 140), (68, 205), (81, 223), (37, 223), (120, 28), (154, 195), (112, 142), (2, 223), (200, 152), (208, 28), (197, 28), (61, 142), (126, 174), (104, 169), (222, 78), (124, 8), (60, 195), (14, 212), (64, 42), (193, 27), (230, 178), (100, 157), (32, 152), (176, 8), (13, 91), (178, 178), (55, 55), (92, 28), (111, 119), (158, 169), (49, 195), (235, 195), (65, 55), (88, 205), (217, 10), (209, 28), (133, 78), (122, 28), (142, 142), (187, 205), (8, 8), (18, 152), (135, 8), (17, 113), (215, 178)] current theta: 0.126751223148 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:50 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55818 rows and 55884 columns Presolve time: 0.08s Presolved: 2989 rows, 3164 columns, 8658 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3164 integer (3164 binary) Root relaxation: objective 5.555556e-02, 3919 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.05556 0 701 - 0.05556 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (8826 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.126833636167 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:34:51 2014 Optimize a model with 58807 rows, 59048 columns and 176176 nonzeros Presolve removed 55812 rows and 55878 columns Presolve time: 0.08s Presolved: 2995 rows, 3170 columns, 8676 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 3170 integer (3170 binary) Root relaxation: cutoff, 67 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 (67 simplex iterations) in 0.09 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 [8, 9, 10, 27, 28, 42, 55, 66, 67, 78, 91, 113, 119, 140, 142, 152, 157, 169, 174, 178, 195, 199, 205, 212, 223] edges [(66, 66), (199, 199), (6, 140), (195, 195), (174, 223), (181, 10), (189, 199), (54, 91), (155, 169), (41, 28), (188, 223), (86, 9), (137, 169), (1, 142), (196, 78), (123, 119), (232, 174), (19, 10), (168, 42), (204, 55), (226, 199), (237, 28), (44, 140), (151, 142), (20, 223), (149, 142), (141, 152), (89, 27), (53, 178), (144, 91), (128, 55), (95, 28), (12, 178), (159, 178), (116, 199), (74, 205), (50, 152), (129, 142), (99, 140), (29, 152), (173, 8), (229, 152), (22, 10), (121, 27), (83, 10), (27, 10), (231, 8), (130, 55), (87, 157), (98, 67), (183, 178), (5, 8), (103, 42), (233, 119), (36, 78), (169, 169), (175, 195), (101, 169), (214, 178), (210, 78), (223, 223), (145, 174), (172, 42), (212, 212), (194, 195), (191, 55), (148, 142), (107, 178), (132, 212), (69, 8), (125, 174), (43, 78), (11, 140), (164, 119), (239, 9), (227, 113), (80, 195), (94, 113), (236, 91), (4, 195), (182, 27), (203, 113), (198, 212), (211, 78), (143, 8), (162, 205), (42, 42), (153, 55), (48, 67), (38, 9), (218, 78), (228, 178), (225, 67), (79, 9), (70, 152), (31, 142), (97, 174), (119, 119), (166, 195), (136, 157), (177, 10), (15, 199), (224, 152), (106, 212), (21, 140), (109, 223), (165, 174), (7, 178), (102, 212), (35, 199), (40, 10), (47, 169), (51, 91), (180, 140), (213, 119), (240, 10), (163, 9), (161, 199), (73, 223), (216, 28), (16, 113), (56, 199), (46, 152), (59, 140), (192, 169), (52, 27), (184, 9), (34, 119), (72, 10), (156, 28), (71, 169), (241, 10), (207, 28), (108, 140), (221, 212), (152, 152), (76, 212), (82, 67), (202, 199), (146, 27), (30, 27), (3, 157), (39, 157), (167, 142), (33, 174), (201, 195), (139, 42), (115, 8), (114, 195), (0, 169), (96, 142), (77, 142), (190, 169), (118, 140), (234, 142), (90, 199), (63, 223), (138, 55), (26, 78), (67, 67), (170, 142), (150, 152), (140, 140), (220, 28), (171, 157), (91, 91), (134, 119), (78, 78), (160, 113), (113, 113), (93, 140), (58, 8), (219, 55), (57, 78), (157, 157), (238, 199), (131, 205), (127, 178), (10, 27), (75, 91), (24, 9), (117, 142), (186, 9), (147, 195), (205, 205), (84, 78), (25, 140), (110, 67), (23, 78), (179, 178), (206, 140), (85, 152), (9, 9), (45, 140), (105, 195), (185, 169), (28, 28), (62, 140), (68, 205), (81, 223), (37, 223), (120, 28), (154, 195), (112, 142), (2, 223), (200, 152), (208, 28), (197, 28), (61, 142), (126, 174), (104, 169), (222, 78), (124, 8), (60, 195), (14, 212), (64, 42), (193, 27), (230, 178), (100, 157), (32, 152), (176, 8), (13, 91), (178, 178), (55, 55), (92, 28), (111, 119), (158, 169), (49, 195), (235, 195), (65, 55), (88, 205), (217, 10), (209, 28), (133, 78), (122, 28), (142, 142), (187, 205), (8, 8), (18, 152), (135, 8), (17, 113), (215, 178)]