current theta: 0.67186897256 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:42 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 17790 rows and 17790 columns Presolve time: 1.44s Presolved: 40051 rows, 40290 columns, 119910 nonzeros Variable types: 0 continuous, 40290 integer (40290 binary) Root relaxation: objective 0.000000e+00, 4870 iterations, 0.52 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 (9173 simplex iterations) in 2.75 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 [17, 19, 22, 36, 37, 40, 43, 74, 76, 80, 85, 89, 94, 124, 132, 137, 160, 170, 179, 180, 187, 217, 223, 235] edges [(110, 235), (9, 235), (59, 235), (160, 235), (116, 235), (158, 235), (202, 235), (44, 235), (23, 235), (1, 235), (150, 235), (29, 235), (46, 235), (201, 235), (179, 235), (199, 235), (236, 235), (74, 235), (19, 43), (89, 235), (20, 223), (189, 235), (211, 235), (137, 235), (17, 137), (39, 235), (57, 235), (8, 132), (172, 235), (129, 235), (194, 235), (68, 235), (25, 235), (82, 235), (174, 235), (60, 235), (88, 235), (231, 235), (139, 235), (58, 235), (190, 235), (127, 235), (40, 137), (77, 235), (4, 235), (217, 235), (103, 235), (216, 235), (119, 235), (121, 235), (18, 235), (133, 235), (167, 235), (51, 235), (63, 235), (99, 235), (196, 235), (55, 235), (188, 235), (87, 235), (100, 235), (106, 235), (84, 235), (104, 235), (233, 235), (182, 235), (98, 235), (13, 235), (146, 235), (45, 235), (124, 235), (14, 235), (138, 235), (191, 235), (71, 235), (34, 235), (205, 235), (183, 235), (131, 235), (101, 235), (234, 235), (212, 235), (93, 235), (170, 235), (226, 235), (66, 235), (122, 235), (198, 235), (117, 235), (16, 235), (54, 235), (37, 235), (148, 235), (15, 235), (96, 235), (142, 235), (62, 235), (141, 235), (162, 235), (181, 235), (185, 235), (187, 137), (193, 235), (221, 235), (220, 235), (11, 235), (31, 235), (112, 235), (85, 137), (164, 235), (32, 235), (52, 235), (26, 132), (237, 235), (111, 235), (10, 235), (175, 235), (153, 235), (92, 235), (159, 235), (2, 235), (215, 235), (49, 235), (48, 235), (140, 137), (69, 235), (47, 235), (156, 235), (207, 235), (180, 235), (152, 235), (70, 235), (107, 235), (105, 235), (90, 235), (136, 235), (5, 235), (235, 22), (239, 235), (53, 235), (230, 235), (83, 235), (86, 235), (130, 235), (169, 235), (108, 235), (43, 235), (176, 235), (197, 235), (147, 235), (72, 235), (102, 235), (64, 235), (218, 235), (27, 235), (229, 43), (38, 235), (0, 235), (171, 235), (154, 235), (75, 235), (125, 235), (200, 235), (81, 235), (192, 235), (80, 235), (213, 235), (50, 235), (126, 235), (145, 235), (3, 235), (118, 235), (144, 235), (79, 235), (166, 235), (195, 235), (149, 235), (165, 235), (24, 235), (91, 235), (61, 235), (177, 235), (209, 235), (143, 235), (208, 235), (210, 235), (22, 137), (135, 235), (206, 235), (97, 235), (113, 235), (178, 235), (95, 235), (76, 235), (33, 235), (161, 235), (157, 235), (132, 235), (232, 235), (12, 235), (6, 235), (225, 235), (224, 235), (163, 235), (35, 235), (109, 235), (223, 235), (168, 235), (120, 235), (42, 235), (204, 235), (228, 223), (94, 235), (173, 235), (56, 235), (203, 235), (227, 235), (114, 235), (238, 235), (7, 235), (67, 235), (219, 235), (151, 235), (134, 235), (186, 235), (115, 235), (21, 235), (36, 235), (30, 235), (128, 235), (214, 235), (123, 37), (28, 235), (155, 235), (41, 235), (73, 235), (78, 235), (222, 235), (184, 235), (65, 235)] current theta: 0.33593448628 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:45 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 43214 rows and 43214 columns Presolve time: 0.32s Presolved: 14627 rows, 14866 columns, 43638 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 14866 integer (14866 binary) Root relaxation: objective 0.000000e+00, 2512 iterations, 0.15 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 (5191 simplex iterations) in 0.64 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, 19, 27, 40, 79, 96, 102, 117, 118, 123, 124, 125, 138, 167, 180, 187, 208, 220, 223, 225, 226, 232, 234, 237] edges [(209, 234), (145, 226), (184, 138), (208, 124), (62, 225), (188, 226), (108, 167), (1, 96), (234, 234), (110, 138), (50, 223), (100, 237), (67, 226), (47, 138), (10, 180), (82, 102), (229, 237), (14, 234), (19, 234), (99, 208), (64, 223), (2, 225), (121, 118), (34, 223), (162, 234), (218, 237), (165, 102), (84, 138), (153, 118), (116, 79), (177, 138), (45, 79), (226, 226), (220, 234), (35, 234), (173, 180), (163, 226), (17, 187), (214, 118), (27, 234), (86, 117), (78, 223), (130, 225), (29, 223), (0, 237), (79, 232), (28, 234), (97, 138), (32, 234), (176, 79), (24, 223), (171, 225), (105, 225), (182, 102), (36, 187), (205, 237), (38, 225), (40, 187), (201, 226), (109, 117), (70, 138), (94, 96), (225, 138), (181, 237), (122, 118), (7, 226), (157, 102), (81, 225), (9, 234), (166, 237), (152, 237), (83, 234), (61, 225), (161, 96), (23, 234), (227, 102), (183, 40), (235, 167), (85, 117), (26, 234), (190, 138), (170, 180), (140, 234), (106, 223), (72, 234), (159, 118), (187, 117), (92, 226), (59, 223), (8, 234), (104, 96), (25, 234), (113, 237), (167, 180), (51, 225), (75, 138), (154, 234), (114, 237), (125, 237), (126, 118), (224, 225), (68, 208), (169, 237), (56, 237), (143, 237), (222, 225), (131, 234), (41, 225), (207, 167), (117, 226), (189, 223), (233, 118), (115, 167), (219, 225), (134, 237), (139, 225), (137, 138), (63, 102), (156, 118), (149, 232), (21, 96), (232, 226), (180, 96), (112, 237), (192, 234), (118, 226), (155, 225), (191, 234), (231, 138), (96, 96), (185, 237), (39, 237), (12, 180), (172, 237), (124, 237), (53, 118), (179, 237), (141, 234), (158, 237), (80, 187), (138, 138), (65, 225), (88, 234), (42, 237), (150, 237), (127, 237), (87, 223), (102, 102), (151, 237), (164, 225), (168, 234), (4, 167), (200, 124), (217, 117), (76, 234), (221, 234), (196, 237), (238, 237), (49, 180), (186, 79), (148, 118), (77, 237), (215, 180), (30, 234), (129, 225), (58, 225), (33, 223), (6, 118), (199, 223), (119, 225), (46, 226), (178, 237), (133, 117), (101, 225), (216, 208), (239, 180), (211, 118), (202, 180), (69, 234), (193, 96), (197, 226), (198, 234), (206, 226), (107, 234), (11, 138), (212, 40), (55, 118), (135, 234), (132, 234), (5, 234), (236, 234), (136, 118), (142, 223), (74, 180), (44, 118), (228, 237), (13, 237), (71, 234), (144, 237), (43, 234), (195, 237), (73, 96), (16, 237), (91, 237), (98, 167), (31, 237), (15, 96), (230, 96), (146, 102), (60, 234), (37, 138), (123, 234), (93, 118), (160, 180), (3, 237), (66, 4), (111, 223), (54, 96), (57, 237), (237, 237), (210, 180), (89, 96), (175, 180), (90, 79), (213, 234), (22, 40), (120, 237), (48, 96), (147, 234), (52, 226), (203, 237), (95, 102), (194, 138), (223, 237), (18, 226), (103, 237), (204, 237), (20, 234), (174, 138), (128, 237)] current theta: 0.16796724314 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:46 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 53254 rows and 53261 columns Presolve time: 0.11s Presolved: 4587 rows, 4819 columns, 13511 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4819 integer (4819 binary) Root relaxation: objective 0.000000e+00, 2590 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 (4403 simplex iterations) in 0.27 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 [71, 108, 119, 123, 128, 132, 137, 139, 152, 171, 176, 178, 187, 213, 216, 222, 224, 226, 229, 231, 232, 233, 235, 239] edges [(59, 235), (183, 232), (100, 128), (218, 229), (157, 231), (25, 213), (117, 222), (29, 235), (89, 108), (141, 213), (65, 213), (172, 152), (90, 233), (71, 71), (69, 213), (194, 137), (1, 239), (101, 232), (99, 108), (171, 171), (86, 137), (189, 235), (170, 239), (5, 213), (80, 119), (204, 152), (129, 235), (73, 176), (16, 152), (208, 216), (164, 137), (14, 139), (18, 239), (62, 231), (145, 233), (160, 239), (13, 71), (17, 187), (3, 229), (224, 224), (181, 152), (49, 108), (142, 216), (23, 139), (50, 178), (114, 152), (51, 137), (231, 231), (4, 108), (45, 226), (178, 128), (55, 235), (199, 108), (122, 231), (36, 222), (103, 229), (87, 235), (84, 235), (118, 233), (188, 176), (63, 231), (40, 187), (149, 233), (211, 233), (20, 123), (219, 226), (64, 216), (232, 171), (47, 137), (146, 231), (7, 222), (105, 139), (57, 229), (15, 239), (207, 239), (155, 226), (43, 213), (176, 176), (185, 229), (212, 171), (215, 108), (66, 235), (187, 187), (234, 71), (206, 232), (37, 235), (140, 123), (148, 235), (125, 128), (133, 139), (8, 123), (144, 71), (166, 229), (126, 226), (81, 139), (151, 71), (107, 139), (11, 235), (214, 119), (88, 213), (70, 231), (233, 226), (72, 71), (97, 137), (10, 239), (179, 128), (190, 213), (33, 216), (161, 216), (96, 239), (169, 229), (68, 108), (174, 213), (180, 239), (77, 229), (104, 108), (167, 216), (119, 119), (239, 239), (156, 235), (203, 128), (209, 213), (127, 229), (138, 213), (227, 137), (48, 239), (136, 235), (113, 128), (21, 108), (236, 71), (175, 239), (130, 213), (221, 71), (135, 213), (222, 171), (56, 152), (165, 137), (147, 123), (131, 71), (132, 132), (197, 235), (168, 123), (128, 128), (58, 171), (27, 132), (53, 233), (98, 108), (235, 235), (39, 229), (106, 216), (229, 229), (111, 108), (108, 108), (193, 176), (152, 152), (191, 229), (79, 233), (158, 213), (34, 178), (139, 231), (52, 232), (28, 139), (213, 213), (60, 132), (22, 187), (186, 239), (154, 71), (220, 123), (153, 239), (173, 239), (35, 71), (2, 226), (82, 171), (230, 239), (46, 226), (120, 178), (201, 119), (200, 216), (217, 187), (192, 132), (150, 152), (228, 229), (177, 235), (137, 137), (38, 231), (44, 176), (83, 123), (162, 213), (124, 128), (238, 152), (19, 123), (116, 239), (121, 239), (202, 239), (216, 216), (12, 239), (67, 233), (143, 132), (93, 233), (42, 128), (95, 224), (226, 233), (205, 229), (9, 71), (182, 222), (109, 224), (6, 235), (163, 235), (26, 123), (0, 152), (91, 128), (54, 108), (102, 139), (32, 132), (76, 213), (223, 178), (134, 152), (75, 231), (195, 128), (85, 187), (123, 123), (31, 128), (115, 235), (94, 239), (198, 213), (92, 119), (237, 152), (184, 231), (30, 123), (74, 239), (61, 231), (159, 233), (225, 231), (210, 176), (24, 178), (110, 231), (78, 235), (112, 128), (196, 152), (41, 224)] current theta: 0.08398362157 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:47 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 56214 rows and 56441 columns Presolve time: 0.05s Presolved: 1627 rows, 1639 columns, 4415 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1639 integer (1638 binary) Root relaxation: cutoff, 2041 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 (2041 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: 0.125975432355 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:47 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54946 rows and 55011 columns Presolve time: 0.07s Presolved: 2895 rows, 3069 columns, 8377 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3069 integer (3069 binary) Root relaxation: cutoff, 3509 iterations, 0.14 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 (3509 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.146971337748 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:48 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54108 rows and 54133 columns Presolve time: 0.09s Presolved: 3733 rows, 3947 columns, 10931 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3947 integer (3947 binary) Root relaxation: objective -3.552714e-15, 2974 iterations, 0.13 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 (4739 simplex iterations) in 0.27 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 [76, 83, 85, 95, 108, 113, 123, 128, 129, 137, 142, 144, 150, 153, 160, 171, 184, 213, 216, 229, 233, 235, 236, 239] edges [(52, 171), (100, 128), (218, 229), (85, 85), (215, 160), (25, 213), (56, 150), (89, 108), (187, 85), (141, 213), (90, 233), (69, 213), (196, 128), (194, 137), (2, 171), (1, 239), (99, 108), (171, 171), (86, 137), (13, 144), (189, 235), (170, 239), (5, 213), (156, 129), (208, 216), (164, 137), (221, 236), (188, 153), (118, 171), (18, 239), (145, 233), (24, 113), (168, 236), (67, 153), (3, 229), (75, 184), (122, 184), (231, 184), (49, 108), (142, 216), (34, 113), (92, 95), (30, 83), (51, 137), (14, 213), (62, 95), (4, 108), (219, 129), (225, 184), (178, 128), (55, 235), (63, 184), (147, 83), (199, 108), (126, 233), (103, 229), (87, 235), (84, 235), (44, 153), (180, 160), (149, 233), (211, 233), (65, 76), (50, 113), (161, 108), (20, 123), (236, 236), (73, 160), (64, 216), (59, 229), (232, 171), (47, 137), (21, 216), (105, 213), (57, 229), (43, 213), (185, 229), (150, 150), (66, 235), (17, 85), (37, 235), (140, 123), (148, 235), (125, 128), (8, 123), (16, 128), (166, 229), (7, 171), (36, 171), (212, 85), (114, 128), (155, 129), (83, 83), (11, 235), (38, 95), (181, 150), (23, 213), (88, 213), (42, 113), (102, 137), (129, 129), (204, 229), (15, 160), (97, 137), (115, 153), (29, 142), (10, 239), (179, 128), (190, 213), (210, 153), (33, 216), (68, 108), (174, 213), (237, 150), (46, 171), (77, 229), (104, 108), (151, 144), (71, 236), (239, 239), (203, 128), (54, 216), (234, 236), (209, 213), (127, 229), (138, 213), (227, 137), (152, 150), (207, 160), (48, 239), (135, 76), (195, 113), (96, 160), (40, 85), (175, 239), (130, 213), (134, 229), (222, 171), (238, 128), (165, 137), (220, 236), (216, 108), (162, 236), (163, 153), (197, 235), (128, 128), (22, 85), (193, 153), (58, 171), (169, 142), (53, 233), (98, 108), (235, 235), (176, 239), (39, 229), (106, 216), (172, 229), (132, 236), (229, 229), (111, 108), (214, 85), (108, 108), (117, 95), (153, 153), (191, 229), (79, 233), (35, 236), (160, 160), (27, 236), (213, 213), (186, 239), (173, 239), (82, 171), (183, 171), (101, 171), (119, 95), (230, 239), (120, 229), (12, 160), (136, 129), (167, 108), (72, 144), (131, 236), (228, 229), (110, 129), (233, 233), (177, 235), (137, 137), (113, 113), (70, 184), (158, 144), (124, 128), (200, 113), (146, 184), (19, 123), (116, 239), (157, 184), (0, 128), (121, 239), (202, 239), (61, 184), (31, 113), (223, 128), (93, 233), (9, 236), (41, 95), (205, 229), (182, 95), (139, 137), (133, 137), (6, 235), (60, 144), (26, 123), (32, 213), (154, 236), (206, 233), (91, 128), (226, 171), (144, 144), (76, 213), (143, 144), (107, 83), (81, 137), (224, 95), (28, 213), (217, 85), (45, 129), (95, 95), (184, 184), (123, 123), (109, 95), (94, 239), (192, 236), (198, 213), (201, 85), (74, 239), (159, 233), (78, 235), (112, 128), (80, 171)] current theta: 0.136473385051 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:48 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54540 rows and 54580 columns Presolve time: 0.08s Presolved: 3301 rows, 3500 columns, 9620 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3500 integer (3500 binary) Root relaxation: objective -7.105427e-15, 3525 iterations, 0.15 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 (5423 simplex iterations) in 0.30 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 [26, 45, 52, 56, 73, 78, 83, 89, 95, 113, 137, 144, 145, 153, 172, 173, 184, 187, 190, 203, 206, 216, 229, 236] edges [(82, 52), (178, 113), (219, 45), (170, 173), (94, 173), (235, 78), (5, 190), (234, 144), (194, 137), (105, 190), (86, 137), (13, 144), (58, 52), (37, 78), (97, 184), (164, 137), (88, 190), (189, 89), (221, 236), (210, 73), (188, 153), (228, 172), (25, 190), (24, 113), (6, 45), (142, 89), (29, 89), (168, 236), (17, 187), (152, 56), (43, 190), (75, 184), (198, 190), (122, 184), (231, 184), (69, 190), (34, 113), (92, 95), (120, 172), (209, 144), (30, 83), (203, 203), (62, 95), (89, 89), (36, 52), (19, 26), (225, 184), (63, 184), (147, 83), (103, 229), (167, 73), (226, 45), (44, 153), (28, 190), (79, 145), (40, 187), (50, 113), (11, 78), (236, 236), (64, 216), (47, 137), (21, 216), (20, 26), (111, 216), (51, 184), (186, 173), (220, 26), (57, 229), (185, 229), (208, 113), (60, 236), (187, 187), (18, 145), (26, 26), (173, 173), (136, 45), (166, 229), (179, 203), (140, 26), (73, 73), (214, 187), (8, 26), (93, 45), (53, 145), (199, 216), (131, 144), (39, 172), (101, 52), (233, 145), (83, 83), (181, 56), (38, 95), (135, 190), (190, 190), (100, 56), (42, 113), (102, 137), (239, 173), (218, 172), (112, 56), (52, 52), (175, 145), (104, 216), (121, 145), (125, 56), (41, 187), (156, 45), (33, 216), (161, 216), (202, 173), (232, 52), (91, 203), (124, 203), (174, 190), (183, 52), (149, 45), (77, 229), (211, 45), (123, 26), (68, 216), (151, 144), (222, 52), (201, 187), (71, 236), (99, 216), (177, 229), (204, 172), (54, 216), (114, 113), (127, 229), (10, 173), (227, 137), (229, 172), (180, 173), (153, 73), (195, 113), (27, 83), (134, 229), (165, 137), (223, 172), (49, 73), (162, 236), (163, 153), (16, 113), (48, 173), (159, 145), (116, 145), (176, 73), (172, 229), (171, 52), (132, 236), (4, 89), (213, 190), (117, 95), (191, 229), (35, 236), (74, 173), (106, 113), (22, 187), (207, 73), (138, 190), (2, 45), (67, 145), (119, 95), (193, 73), (217, 187), (137, 137), (78, 78), (113, 113), (70, 184), (14, 190), (98, 89), (87, 78), (108, 216), (45, 45), (158, 144), (200, 113), (146, 184), (84, 78), (76, 190), (215, 73), (157, 184), (61, 184), (230, 173), (237, 56), (216, 216), (141, 190), (23, 190), (31, 113), (197, 153), (126, 45), (7, 52), (9, 236), (205, 229), (182, 95), (59, 78), (118, 45), (139, 137), (72, 236), (133, 137), (150, 56), (55, 78), (212, 187), (196, 203), (12, 173), (107, 137), (154, 236), (96, 173), (145, 145), (144, 144), (80, 52), (66, 78), (143, 144), (3, 172), (81, 137), (224, 95), (148, 45), (155, 45), (238, 56), (95, 95), (85, 187), (184, 184), (129, 45), (0, 203), (206, 206), (109, 95), (192, 236), (15, 73), (128, 113), (169, 172), (110, 184), (130, 190), (90, 145), (46, 52), (160, 173), (56, 56), (65, 190), (32, 144), (1, 173), (115, 89)] current theta: 0.131224408703 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:49 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54758 rows and 54813 columns Presolve time: 0.07s Presolved: 3083 rows, 3267 columns, 8951 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3267 integer (3267 binary) Root relaxation: objective 1.421085e-14, 3215 iterations, 0.10 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 (4921 simplex iterations) in 0.22 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 [20, 30, 42, 53, 73, 85, 87, 95, 101, 127, 137, 144, 156, 159, 190, 193, 199, 203, 208, 223, 225, 230, 234, 237] edges [(199, 199), (186, 230), (85, 85), (15, 193), (229, 127), (5, 190), (148, 156), (187, 85), (234, 144), (194, 137), (111, 199), (123, 20), (105, 190), (13, 144), (78, 87), (120, 223), (171, 101), (221, 144), (162, 234), (170, 230), (134, 223), (0, 223), (195, 42), (127, 127), (164, 137), (88, 190), (84, 87), (210, 73), (206, 159), (35, 234), (25, 190), (43, 190), (180, 230), (198, 190), (18, 53), (69, 190), (75, 225), (92, 95), (144, 234), (97, 225), (192, 30), (36, 101), (159, 159), (209, 144), (99, 199), (77, 127), (203, 203), (62, 95), (208, 208), (2, 101), (113, 208), (37, 156), (31, 208), (172, 223), (167, 73), (28, 190), (181, 237), (21, 199), (223, 223), (53, 53), (9, 234), (41, 85), (47, 137), (61, 225), (7, 101), (68, 199), (196, 223), (222, 101), (17, 85), (160, 230), (72, 234), (89, 199), (64, 208), (4, 199), (103, 127), (83, 30), (228, 127), (27, 30), (179, 203), (48, 230), (157, 225), (73, 73), (54, 199), (66, 87), (131, 144), (212, 85), (67, 53), (200, 208), (51, 225), (154, 234), (1, 230), (184, 225), (38, 95), (135, 190), (190, 190), (165, 225), (102, 137), (50, 208), (163, 193), (96, 230), (216, 199), (207, 230), (42, 42), (204, 223), (56, 237), (3, 127), (30, 30), (232, 101), (225, 225), (114, 223), (110, 225), (166, 127), (34, 208), (91, 203), (71, 144), (174, 190), (86, 225), (188, 193), (151, 144), (16, 223), (90, 159), (108, 199), (175, 53), (230, 230), (227, 137), (98, 193), (40, 85), (106, 208), (149, 53), (79, 159), (219, 156), (145, 159), (218, 127), (161, 199), (49, 73), (197, 193), (93, 53), (10, 230), (150, 237), (142, 199), (22, 85), (63, 225), (94, 230), (58, 101), (39, 223), (213, 190), (214, 85), (33, 199), (19, 20), (168, 20), (117, 95), (169, 223), (115, 193), (189, 87), (183, 101), (20, 20), (100, 203), (29, 87), (178, 223), (112, 203), (173, 230), (46, 101), (138, 190), (231, 225), (239, 230), (74, 230), (107, 30), (185, 127), (235, 87), (119, 95), (226, 101), (124, 42), (193, 73), (80, 101), (87, 87), (26, 20), (104, 199), (24, 42), (137, 137), (155, 156), (57, 223), (14, 190), (55, 156), (156, 156), (122, 225), (125, 203), (129, 156), (158, 144), (177, 87), (59, 87), (116, 53), (76, 190), (132, 234), (238, 203), (215, 73), (220, 20), (8, 20), (236, 234), (205, 223), (141, 190), (23, 190), (202, 230), (211, 101), (182, 95), (82, 101), (146, 225), (139, 137), (176, 193), (133, 137), (101, 101), (118, 156), (128, 203), (70, 190), (6, 156), (60, 234), (140, 20), (153, 193), (12, 73), (143, 144), (81, 137), (224, 95), (121, 53), (11, 87), (217, 85), (95, 95), (191, 127), (237, 237), (44, 156), (109, 95), (201, 85), (136, 156), (52, 101), (45, 156), (126, 156), (152, 223), (233, 159), (130, 190), (147, 30), (65, 190), (32, 144)] current theta: 0.128599920529 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:49 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54842 rows and 54900 columns Presolve time: 0.07s Presolved: 2999 rows, 3180 columns, 8696 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3180 integer (3180 binary) Root relaxation: objective 0.000000e+00, 3087 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 (4950 simplex iterations) in 0.24 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, 30, 84, 85, 95, 98, 101, 111, 116, 127, 140, 144, 150, 155, 159, 170, 190, 193, 194, 203, 207, 223, 225, 236] edges [(202, 170), (31, 24), (85, 85), (15, 193), (229, 127), (5, 190), (56, 150), (187, 85), (55, 155), (170, 170), (67, 116), (105, 190), (13, 144), (189, 98), (42, 24), (120, 223), (171, 101), (53, 116), (133, 194), (134, 223), (0, 223), (116, 116), (127, 127), (88, 190), (221, 236), (206, 159), (25, 190), (168, 236), (43, 190), (10, 207), (198, 190), (69, 190), (93, 155), (75, 225), (92, 95), (97, 225), (192, 30), (36, 101), (159, 159), (209, 144), (77, 127), (203, 203), (8, 140), (62, 95), (102, 225), (2, 101), (50, 24), (175, 116), (172, 223), (74, 170), (160, 207), (94, 170), (142, 111), (113, 24), (239, 170), (28, 190), (68, 111), (193, 98), (48, 207), (236, 236), (223, 223), (104, 111), (41, 85), (186, 116), (115, 98), (61, 225), (7, 101), (81, 194), (196, 223), (222, 101), (60, 236), (150, 150), (17, 85), (99, 111), (106, 111), (103, 127), (78, 84), (83, 30), (228, 127), (27, 30), (179, 203), (84, 84), (216, 111), (1, 207), (167, 98), (157, 225), (135, 127), (212, 85), (51, 225), (184, 225), (38, 95), (181, 150), (190, 190), (136, 155), (165, 225), (47, 194), (163, 193), (37, 84), (108, 111), (89, 98), (173, 207), (204, 223), (220, 140), (3, 127), (30, 30), (232, 101), (225, 225), (114, 223), (235, 84), (110, 225), (166, 127), (237, 150), (91, 203), (199, 111), (124, 203), (87, 84), (161, 111), (18, 116), (71, 144), (174, 190), (86, 225), (188, 193), (151, 144), (16, 223), (90, 159), (26, 140), (45, 155), (234, 236), (29, 98), (12, 207), (59, 84), (98, 193), (40, 85), (79, 159), (118, 155), (145, 159), (177, 84), (218, 127), (6, 155), (162, 236), (197, 193), (22, 85), (63, 225), (121, 116), (58, 101), (132, 236), (54, 111), (39, 223), (213, 190), (214, 85), (66, 84), (117, 95), (169, 223), (156, 155), (183, 101), (35, 236), (100, 203), (11, 84), (24, 24), (139, 194), (4, 98), (178, 223), (112, 203), (126, 155), (46, 101), (138, 190), (231, 225), (49, 207), (33, 111), (107, 30), (123, 140), (185, 127), (119, 95), (226, 101), (19, 140), (73, 207), (80, 101), (194, 194), (200, 24), (164, 194), (140, 140), (72, 144), (131, 236), (20, 140), (195, 24), (44, 155), (215, 207), (207, 207), (57, 223), (14, 190), (180, 207), (122, 225), (125, 203), (158, 144), (219, 155), (64, 111), (76, 190), (238, 203), (96, 207), (227, 194), (205, 223), (141, 190), (23, 190), (9, 236), (211, 101), (182, 95), (82, 101), (146, 225), (176, 193), (208, 24), (148, 84), (101, 101), (128, 203), (70, 190), (154, 236), (153, 193), (111, 111), (144, 144), (143, 144), (224, 95), (217, 85), (95, 95), (191, 127), (109, 95), (201, 85), (52, 101), (129, 155), (34, 24), (210, 193), (155, 155), (152, 223), (233, 159), (21, 98), (130, 190), (137, 194), (230, 170), (147, 30), (149, 155), (65, 190), (32, 144)] current theta: 0.127287676442 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:50 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54890 rows and 54952 columns Presolve time: 0.07s Presolved: 2951 rows, 3128 columns, 8548 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 3128 integer (3128 binary) Root relaxation: cutoff, 63 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 (63 simplex iterations) in 0.08 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, 30, 84, 85, 95, 98, 101, 111, 116, 127, 140, 144, 150, 155, 159, 170, 190, 193, 194, 203, 207, 223, 225, 236] edges [(202, 170), (31, 24), (85, 85), (15, 193), (229, 127), (5, 190), (56, 150), (187, 85), (55, 155), (170, 170), (67, 116), (105, 190), (13, 144), (189, 98), (42, 24), (120, 223), (171, 101), (53, 116), (133, 194), (134, 223), (0, 223), (116, 116), (127, 127), (88, 190), (221, 236), (206, 159), (25, 190), (168, 236), (43, 190), (10, 207), (198, 190), (69, 190), (93, 155), (75, 225), (92, 95), (97, 225), (192, 30), (36, 101), (159, 159), (209, 144), (77, 127), (203, 203), (8, 140), (62, 95), (102, 225), (2, 101), (50, 24), (175, 116), (172, 223), (74, 170), (160, 207), (94, 170), (142, 111), (113, 24), (239, 170), (28, 190), (68, 111), (193, 98), (48, 207), (236, 236), (223, 223), (104, 111), (41, 85), (186, 116), (115, 98), (61, 225), (7, 101), (81, 194), (196, 223), (222, 101), (60, 236), (150, 150), (17, 85), (99, 111), (106, 111), (103, 127), (78, 84), (83, 30), (228, 127), (27, 30), (179, 203), (84, 84), (216, 111), (1, 207), (167, 98), (157, 225), (135, 127), (212, 85), (51, 225), (184, 225), (38, 95), (181, 150), (190, 190), (136, 155), (165, 225), (47, 194), (163, 193), (37, 84), (108, 111), (89, 98), (173, 207), (204, 223), (220, 140), (3, 127), (30, 30), (232, 101), (225, 225), (114, 223), (235, 84), (110, 225), (166, 127), (237, 150), (91, 203), (199, 111), (124, 203), (87, 84), (161, 111), (18, 116), (71, 144), (174, 190), (86, 225), (188, 193), (151, 144), (16, 223), (90, 159), (26, 140), (45, 155), (234, 236), (29, 98), (12, 207), (59, 84), (98, 193), (40, 85), (79, 159), (118, 155), (145, 159), (177, 84), (218, 127), (6, 155), (162, 236), (197, 193), (22, 85), (63, 225), (121, 116), (58, 101), (132, 236), (54, 111), (39, 223), (213, 190), (214, 85), (66, 84), (117, 95), (169, 223), (156, 155), (183, 101), (35, 236), (100, 203), (11, 84), (24, 24), (139, 194), (4, 98), (178, 223), (112, 203), (126, 155), (46, 101), (138, 190), (231, 225), (49, 207), (33, 111), (107, 30), (123, 140), (185, 127), (119, 95), (226, 101), (19, 140), (73, 207), (80, 101), (194, 194), (200, 24), (164, 194), (140, 140), (72, 144), (131, 236), (20, 140), (195, 24), (44, 155), (215, 207), (207, 207), (57, 223), (14, 190), (180, 207), (122, 225), (125, 203), (158, 144), (219, 155), (64, 111), (76, 190), (238, 203), (96, 207), (227, 194), (205, 223), (141, 190), (23, 190), (9, 236), (211, 101), (182, 95), (82, 101), (146, 225), (176, 193), (208, 24), (148, 84), (101, 101), (128, 203), (70, 190), (154, 236), (153, 193), (111, 111), (144, 144), (143, 144), (224, 95), (217, 85), (95, 95), (191, 127), (109, 95), (201, 85), (52, 101), (129, 155), (34, 24), (210, 193), (155, 155), (152, 223), (233, 159), (21, 98), (130, 190), (137, 194), (230, 170), (147, 30), (149, 155), (65, 190), (32, 144)] current theta: 0.126631554399 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:50 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54928 rows and 54993 columns Presolve time: 0.07s Presolved: 2913 rows, 3087 columns, 8431 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3087 integer (3087 binary) Root relaxation: cutoff, 3589 iterations, 0.13 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 (3589 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.12695961542 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:50 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54904 rows and 54966 columns Presolve time: 0.07s Presolved: 2937 rows, 3114 columns, 8506 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3114 integer (3114 binary) Root relaxation: objective 0.000000e+00, 3277 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 (5080 simplex iterations) in 0.25 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, 26, 30, 84, 85, 90, 95, 98, 101, 111, 116, 127, 144, 150, 155, 170, 188, 190, 194, 203, 207, 223, 225, 234] edges [(31, 24), (85, 85), (229, 127), (234, 234), (5, 190), (56, 150), (187, 85), (170, 170), (67, 116), (145, 116), (105, 190), (13, 144), (189, 98), (42, 24), (120, 223), (171, 101), (162, 234), (53, 116), (133, 194), (134, 223), (0, 223), (116, 116), (188, 188), (127, 127), (88, 190), (35, 234), (25, 190), (94, 116), (43, 190), (10, 207), (198, 190), (69, 190), (93, 155), (75, 225), (92, 95), (163, 188), (97, 225), (192, 30), (36, 101), (210, 98), (209, 144), (77, 127), (203, 203), (62, 95), (19, 26), (168, 26), (102, 225), (2, 101), (98, 98), (50, 24), (175, 116), (172, 223), (74, 170), (160, 207), (142, 111), (113, 24), (239, 170), (38, 225), (28, 190), (68, 111), (193, 98), (48, 207), (223, 223), (104, 111), (9, 234), (41, 85), (186, 116), (115, 98), (20, 26), (61, 225), (220, 26), (7, 101), (81, 194), (196, 223), (222, 101), (150, 150), (26, 26), (17, 85), (99, 111), (106, 111), (103, 127), (78, 84), (83, 30), (228, 127), (27, 30), (179, 203), (84, 84), (216, 111), (1, 207), (167, 98), (157, 225), (140, 26), (8, 26), (135, 127), (212, 85), (51, 225), (154, 234), (184, 225), (181, 150), (190, 190), (136, 155), (165, 225), (47, 194), (37, 84), (108, 111), (89, 98), (173, 170), (204, 223), (131, 234), (3, 127), (30, 30), (232, 101), (225, 225), (114, 223), (235, 84), (110, 225), (166, 127), (237, 150), (91, 203), (199, 111), (124, 203), (87, 84), (161, 111), (18, 116), (71, 144), (174, 190), (86, 225), (123, 26), (151, 144), (16, 223), (45, 155), (29, 98), (12, 207), (59, 84), (40, 85), (118, 155), (55, 84), (177, 84), (218, 127), (6, 155), (22, 85), (63, 225), (121, 116), (15, 188), (176, 116), (58, 101), (54, 111), (206, 90), (39, 223), (213, 190), (214, 85), (66, 84), (117, 95), (169, 223), (221, 234), (156, 155), (183, 101), (100, 203), (11, 84), (24, 24), (139, 194), (202, 116), (4, 98), (178, 223), (112, 203), (153, 188), (126, 155), (46, 101), (138, 190), (231, 225), (49, 207), (33, 111), (107, 30), (185, 127), (119, 95), (226, 101), (73, 207), (80, 101), (194, 194), (159, 90), (200, 24), (164, 194), (72, 144), (195, 24), (44, 155), (215, 207), (197, 188), (207, 207), (57, 223), (14, 190), (180, 207), (122, 225), (125, 203), (158, 144), (233, 90), (219, 155), (64, 111), (76, 190), (132, 234), (238, 203), (96, 207), (236, 234), (227, 194), (205, 223), (141, 190), (23, 190), (211, 101), (79, 90), (182, 95), (82, 101), (146, 225), (208, 24), (148, 84), (101, 101), (128, 203), (90, 90), (70, 190), (60, 234), (111, 111), (144, 144), (143, 144), (224, 95), (217, 85), (95, 95), (191, 127), (109, 95), (201, 85), (52, 101), (129, 155), (34, 24), (155, 155), (152, 223), (21, 98), (130, 190), (137, 194), (230, 170), (147, 30), (149, 155), (65, 190), (32, 144)] current theta: 0.126795584909 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:51 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54920 rows and 54985 columns Presolve time: 0.07s Presolved: 2921 rows, 3095 columns, 8455 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3095 integer (3095 binary) Root relaxation: objective 0.000000e+00, 2998 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 (2998 simplex iterations) in 0.19 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 [20, 24, 30, 84, 85, 90, 95, 98, 101, 111, 127, 137, 144, 150, 153, 155, 170, 175, 184, 190, 203, 207, 223, 234] edges [(31, 24), (85, 85), (229, 127), (234, 234), (5, 190), (56, 150), (187, 85), (170, 170), (194, 137), (123, 20), (105, 190), (86, 137), (13, 144), (189, 98), (42, 24), (120, 223), (171, 101), (162, 234), (134, 223), (0, 223), (127, 127), (97, 184), (164, 137), (88, 190), (175, 175), (188, 153), (35, 234), (25, 190), (67, 153), (43, 190), (10, 207), (75, 184), (198, 190), (122, 184), (231, 184), (69, 190), (93, 155), (92, 95), (192, 30), (36, 101), (209, 144), (77, 127), (203, 203), (186, 175), (62, 95), (2, 101), (98, 98), (225, 184), (50, 24), (176, 153), (63, 184), (172, 223), (74, 170), (160, 207), (94, 170), (142, 111), (113, 24), (239, 170), (28, 190), (68, 111), (48, 207), (223, 223), (104, 111), (139, 184), (9, 234), (41, 85), (47, 137), (115, 98), (51, 184), (7, 101), (196, 223), (222, 101), (148, 155), (150, 150), (17, 85), (99, 111), (106, 111), (103, 127), (78, 84), (83, 30), (228, 127), (27, 30), (179, 203), (84, 84), (202, 175), (216, 111), (1, 207), (167, 98), (212, 85), (154, 234), (38, 95), (135, 190), (181, 150), (190, 190), (136, 155), (102, 137), (37, 84), (108, 111), (116, 175), (89, 98), (173, 170), (204, 223), (131, 234), (3, 127), (30, 30), (232, 101), (210, 153), (114, 223), (235, 84), (166, 127), (237, 150), (91, 203), (199, 111), (124, 203), (87, 84), (161, 111), (71, 144), (174, 190), (151, 144), (16, 223), (45, 155), (29, 98), (12, 207), (227, 137), (59, 84), (40, 85), (18, 175), (118, 155), (55, 84), (165, 137), (177, 84), (218, 127), (6, 155), (163, 153), (22, 85), (193, 153), (58, 101), (54, 111), (206, 90), (39, 223), (213, 190), (214, 85), (66, 84), (19, 20), (168, 20), (117, 95), (169, 223), (153, 153), (221, 234), (156, 155), (183, 101), (20, 20), (100, 203), (11, 84), (24, 24), (15, 153), (4, 98), (178, 223), (112, 203), (126, 155), (46, 101), (138, 190), (49, 207), (33, 111), (107, 30), (145, 175), (185, 127), (119, 95), (226, 101), (73, 207), (80, 101), (159, 90), (200, 24), (72, 144), (26, 20), (195, 24), (137, 137), (44, 155), (215, 207), (207, 207), (57, 223), (70, 184), (14, 190), (21, 111), (180, 207), (125, 203), (158, 144), (233, 90), (219, 155), (146, 184), (64, 111), (76, 190), (132, 234), (238, 203), (96, 207), (157, 184), (220, 20), (8, 20), (236, 234), (61, 184), (205, 223), (141, 190), (23, 190), (197, 153), (211, 101), (79, 90), (182, 95), (82, 101), (121, 175), (208, 24), (133, 137), (101, 101), (128, 203), (90, 90), (60, 234), (140, 20), (53, 175), (111, 111), (144, 144), (143, 144), (81, 137), (224, 95), (217, 85), (95, 95), (184, 184), (191, 127), (109, 95), (201, 85), (52, 101), (129, 155), (34, 24), (155, 155), (152, 223), (110, 184), (130, 190), (230, 170), (147, 30), (149, 155), (65, 190), (32, 144)] current theta: 0.126713569654 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:19:51 2014 Optimize a model with 57841 rows, 58080 columns and 173280 nonzeros Presolve removed 54924 rows and 54989 columns Presolve time: 0.07s Presolved: 2917 rows, 3091 columns, 8443 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3091 integer (3091 binary) Root relaxation: cutoff, 3385 iterations, 0.11 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 (3385 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -