current theta: 0.681266946957 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:03 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 16180 rows and 16180 columns Presolve time: 1.11s Presolved: 33773 rows, 33995 columns, 101093 nonzeros Variable types: 0 continuous, 33995 integer (33995 binary) Root relaxation: objective 0.000000e+00, 4014 iterations, 0.39 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% - 1s Explored 0 nodes (7981 simplex iterations) in 1.94 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, 16, 19, 24, 27, 54, 68, 74, 79, 87, 91, 110, 113, 122, 123, 135, 136, 163, 165, 168, 177, 179, 193] edges [(219, 19), (89, 19), (97, 135), (7, 79), (76, 54), (9, 123), (161, 135), (38, 136), (110, 122), (151, 122), (106, 165), (28, 79), (173, 16), (47, 122), (53, 19), (98, 168), (159, 136), (114, 135), (35, 19), (15, 68), (88, 135), (203, 4), (194, 135), (145, 19), (196, 136), (34, 110), (2, 54), (8, 136), (109, 193), (120, 87), (113, 123), (54, 54), (49, 177), (42, 54), (18, 123), (12, 135), (118, 79), (90, 179), (1, 177), (137, 135), (14, 110), (201, 110), (30, 87), (193, 110), (163, 68), (40, 113), (127, 4), (195, 177), (148, 54), (166, 87), (155, 177), (220, 110), (101, 4), (104, 74), (105, 19), (124, 110), (210, 54), (144, 79), (48, 4), (189, 68), (156, 113), (198, 87), (36, 136), (160, 163), (87, 68), (221, 68), (6, 79), (204, 122), (154, 168), (222, 68), (100, 122), (123, 68), (31, 165), (197, 163), (79, 136), (212, 19), (22, 135), (207, 135), (11, 122), (43, 19), (25, 122), (126, 168), (5, 165), (37, 110), (185, 168), (213, 54), (13, 135), (73, 110), (150, 135), (102, 168), (115, 163), (153, 135), (63, 122), (119, 123), (82, 87), (128, 135), (142, 136), (91, 177), (143, 136), (171, 135), (170, 122), (75, 135), (184, 136), (41, 123), (107, 135), (93, 168), (192, 135), (50, 110), (62, 68), (56, 74), (86, 123), (51, 87), (64, 136), (65, 122), (199, 168), (129, 4), (131, 16), (188, 54), (183, 91), (174, 113), (176, 177), (94, 68), (134, 19), (191, 87), (147, 168), (175, 123), (178, 68), (103, 19), (74, 177), (168, 123), (17, 193), (45, 135), (4, 122), (180, 136), (66, 110), (125, 79), (26, 122), (67, 122), (84, 4), (116, 136), (132, 123), (0, 123), (149, 136), (61, 79), (29, 177), (202, 27), (3, 122), (72, 19), (85, 136), (68, 68), (108, 179), (27, 179), (140, 54), (122, 19), (179, 19), (96, 135), (111, 136), (95, 177), (99, 68), (218, 79), (81, 165), (158, 123), (44, 68), (205, 87), (80, 122), (146, 19), (169, 79), (162, 136), (190, 24), (172, 163), (23, 87), (200, 135), (60, 54), (20, 79), (32, 136), (46, 113), (59, 87), (217, 54), (215, 135), (78, 136), (165, 123), (164, 4), (16, 163), (141, 79), (186, 68), (77, 163), (121, 16), (206, 87), (177, 179), (39, 87), (69, 168), (138, 87), (117, 179), (112, 135), (211, 135), (70, 122), (187, 177), (167, 123), (33, 136), (58, 79), (92, 4), (209, 110), (57, 123), (133, 54), (19, 135), (182, 87), (152, 113), (71, 87), (214, 163), (208, 74), (52, 54), (55, 135), (10, 16), (157, 27), (83, 19), (135, 135), (24, 87), (181, 135), (216, 135), (130, 68), (136, 79), (139, 4), (21, 19)] current theta: 0.340633473479 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:05 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 37222 rows and 37222 columns Presolve time: 0.28s Presolved: 12731 rows, 12953 columns, 37967 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 12953 integer (12953 binary) Root relaxation: objective 0.000000e+00, 2338 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 (4496 simplex iterations) in 0.58 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, 14, 16, 37, 54, 59, 62, 87, 91, 109, 113, 115, 118, 145, 163, 165, 171, 177, 193, 194, 201, 212, 219] edges [(53, 219), (52, 171), (48, 194), (134, 194), (16, 16), (119, 59), (58, 193), (106, 165), (62, 0), (85, 118), (151, 219), (125, 37), (92, 219), (171, 171), (170, 212), (84, 219), (157, 193), (30, 219), (110, 212), (154, 113), (99, 0), (140, 118), (145, 194), (107, 59), (20, 219), (199, 193), (216, 194), (34, 219), (75, 115), (130, 59), (71, 219), (180, 118), (214, 118), (176, 219), (66, 212), (141, 219), (98, 16), (202, 118), (161, 59), (212, 219), (158, 219), (33, 118), (206, 219), (68, 54), (109, 212), (93, 113), (179, 212), (112, 59), (178, 118), (104, 212), (123, 171), (137, 59), (70, 171), (135, 171), (172, 219), (43, 219), (221, 193), (166, 118), (32, 118), (205, 118), (36, 118), (13, 194), (81, 194), (203, 219), (65, 212), (27, 219), (122, 212), (159, 118), (114, 171), (44, 0), (196, 219), (139, 219), (72, 212), (7, 54), (1, 212), (120, 165), (17, 54), (219, 219), (3, 165), (40, 59), (146, 219), (182, 219), (155, 219), (46, 163), (132, 165), (124, 219), (51, 219), (55, 212), (128, 0), (91, 212), (41, 219), (12, 171), (24, 118), (83, 87), (45, 0), (108, 219), (79, 118), (35, 171), (153, 16), (163, 54), (167, 59), (102, 118), (95, 212), (15, 118), (37, 193), (215, 212), (38, 118), (169, 118), (193, 219), (21, 219), (77, 118), (185, 16), (97, 212), (111, 219), (129, 59), (11, 59), (101, 212), (105, 212), (175, 16), (87, 113), (42, 59), (200, 165), (213, 219), (74, 212), (73, 219), (5, 212), (26, 37), (150, 194), (86, 193), (217, 16), (197, 193), (152, 193), (144, 219), (4, 212), (29, 212), (76, 118), (113, 163), (143, 193), (201, 219), (187, 219), (115, 0), (69, 219), (89, 0), (116, 37), (148, 118), (177, 109), (8, 219), (22, 54), (184, 118), (25, 59), (14, 219), (164, 193), (19, 194), (121, 0), (60, 171), (6, 118), (183, 219), (127, 219), (204, 212), (194, 0), (156, 16), (222, 16), (23, 54), (211, 194), (0, 194), (192, 115), (160, 113), (198, 118), (64, 118), (63, 219), (186, 118), (56, 219), (78, 219), (142, 219), (59, 0), (188, 16), (67, 219), (147, 118), (100, 219), (133, 163), (103, 59), (28, 193), (50, 194), (136, 118), (195, 212), (218, 54), (220, 219), (57, 165), (191, 219), (2, 0), (61, 54), (126, 193), (118, 118), (39, 87), (210, 115), (94, 194), (49, 193), (168, 54), (149, 118), (88, 194), (189, 219), (138, 118), (131, 62), (209, 219), (208, 219), (190, 118), (9, 194), (82, 118), (117, 219), (173, 59), (80, 212), (54, 16), (162, 113), (18, 118), (10, 16), (96, 59), (207, 212), (90, 219), (174, 219), (31, 59), (165, 194), (47, 212), (181, 171)] current theta: 0.170316736739 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:06 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 45716 rows and 45727 columns Presolve time: 0.09s Presolved: 4237 rows, 4448 columns, 12474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4448 integer (4448 binary) Root relaxation: objective 0.000000e+00, 2640 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 (4613 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 [70, 110, 113, 123, 131, 133, 134, 148, 149, 156, 174, 187, 198, 200, 202, 212, 213, 215, 216, 219, 220, 221, 222] edges [(26, 219), (176, 187), (56, 220), (159, 202), (150, 123), (162, 133), (95, 110), (215, 215), (94, 70), (218, 113), (69, 213), (163, 113), (151, 219), (8, 202), (100, 70), (5, 213), (173, 213), (23, 222), (178, 148), (193, 213), (59, 200), (34, 219), (89, 200), (112, 216), (99, 123), (148, 149), (166, 202), (42, 156), (155, 220), (122, 110), (105, 215), (25, 200), (82, 198), (116, 202), (57, 216), (179, 110), (17, 133), (124, 212), (206, 174), (13, 215), (55, 200), (20, 212), (205, 148), (46, 222), (115, 123), (92, 220), (52, 213), (16, 222), (77, 221), (43, 219), (130, 216), (97, 200), (194, 216), (212, 212), (197, 123), (136, 198), (31, 216), (36, 198), (50, 70), (7, 222), (143, 202), (157, 156), (187, 187), (11, 70), (76, 149), (35, 200), (54, 113), (189, 212), (142, 198), (134, 216), (196, 219), (139, 219), (0, 134), (9, 216), (219, 219), (165, 134), (49, 219), (214, 149), (158, 212), (28, 219), (182, 202), (70, 70), (177, 110), (75, 222), (127, 220), (222, 222), (146, 215), (60, 123), (201, 220), (27, 202), (65, 110), (204, 110), (84, 213), (161, 216), (63, 220), (119, 123), (107, 131), (85, 198), (109, 187), (1, 110), (10, 123), (164, 202), (167, 216), (208, 213), (145, 215), (104, 187), (198, 202), (103, 213), (22, 222), (72, 110), (67, 187), (211, 123), (171, 216), (174, 221), (73, 219), (180, 202), (6, 221), (128, 216), (106, 134), (131, 134), (30, 213), (195, 110), (144, 219), (170, 110), (3, 216), (74, 110), (91, 110), (129, 70), (66, 110), (186, 174), (41, 220), (210, 133), (64, 202), (48, 134), (12, 216), (62, 131), (53, 212), (175, 222), (44, 134), (185, 123), (213, 213), (149, 148), (192, 123), (24, 221), (132, 134), (88, 123), (169, 219), (160, 133), (209, 220), (4, 110), (19, 215), (200, 216), (102, 221), (45, 123), (98, 222), (33, 133), (216, 134), (86, 219), (81, 200), (87, 133), (114, 216), (133, 133), (202, 202), (108, 202), (61, 222), (221, 221), (101, 215), (181, 200), (113, 113), (39, 149), (38, 221), (156, 156), (172, 213), (2, 123), (154, 222), (18, 221), (71, 212), (96, 216), (140, 221), (29, 215), (40, 123), (126, 221), (220, 219), (111, 213), (15, 148), (217, 156), (188, 156), (58, 174), (147, 221), (153, 222), (118, 198), (51, 213), (121, 123), (190, 202), (199, 174), (184, 149), (68, 156), (47, 110), (32, 202), (79, 221), (138, 198), (37, 219), (137, 156), (78, 221), (80, 110), (21, 213), (191, 174), (117, 219), (183, 174), (123, 123), (110, 110), (120, 216), (83, 133), (141, 174), (203, 220), (90, 219), (93, 148), (152, 149), (125, 148), (14, 187), (207, 215), (168, 113), (135, 134)] current theta: 0.0851583683697 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:06 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 48470 rows and 48675 columns Presolve time: 0.05s Presolved: 1483 rows, 1500 columns, 4024 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1500 integer (1499 binary) Root relaxation: cutoff, 1748 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 (1748 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: 0.127737552555 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:06 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47236 rows and 47320 columns Presolve time: 0.06s Presolved: 2717 rows, 2855 columns, 7841 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2855 integer (2855 binary) Root relaxation: cutoff, 3278 iterations, 0.15 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 (3278 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: 0.149027144647 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:07 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 46470 rows and 46499 columns Presolve time: 0.08s Presolved: 3483 rows, 3676 columns, 10194 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3676 integer (3676 binary) Root relaxation: objective -3.552714e-15, 2774 iterations, 0.09 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 (4392 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 [60, 69, 72, 75, 84, 97, 101, 107, 110, 117, 119, 131, 133, 148, 159, 163, 164, 197, 210, 212, 216, 219, 221] edges [(26, 219), (111, 69), (87, 210), (153, 75), (18, 148), (162, 133), (123, 119), (95, 110), (187, 72), (109, 110), (213, 84), (7, 75), (19, 97), (206, 221), (9, 131), (209, 117), (143, 164), (105, 101), (49, 164), (98, 75), (116, 164), (183, 159), (102, 148), (99, 119), (222, 75), (218, 163), (215, 101), (33, 148), (151, 164), (150, 119), (112, 216), (77, 148), (159, 159), (54, 163), (122, 110), (17, 210), (57, 216), (179, 110), (220, 117), (124, 212), (15, 221), (190, 159), (20, 212), (35, 60), (201, 117), (5, 197), (63, 164), (175, 133), (43, 219), (194, 216), (51, 84), (90, 84), (191, 221), (207, 101), (31, 216), (170, 101), (137, 197), (89, 216), (48, 216), (217, 75), (203, 219), (103, 197), (199, 69), (27, 164), (121, 197), (2, 197), (25, 216), (58, 69), (189, 212), (134, 216), (91, 72), (196, 219), (139, 219), (84, 84), (69, 69), (219, 219), (60, 197), (10, 119), (4, 101), (59, 97), (211, 107), (168, 163), (158, 212), (50, 97), (8, 164), (157, 210), (177, 110), (92, 117), (141, 69), (100, 84), (65, 110), (204, 110), (161, 216), (163, 163), (107, 131), (202, 164), (1, 110), (147, 159), (173, 69), (180, 159), (119, 119), (52, 60), (64, 159), (181, 97), (130, 131), (210, 210), (97, 97), (88, 60), (212, 101), (101, 212), (140, 159), (127, 117), (125, 221), (171, 216), (67, 72), (167, 131), (174, 221), (73, 219), (135, 107), (129, 97), (155, 117), (169, 164), (68, 75), (128, 216), (93, 133), (79, 148), (195, 110), (182, 164), (0, 131), (144, 219), (83, 210), (74, 110), (118, 159), (197, 60), (113, 163), (184, 148), (6, 159), (66, 110), (28, 69), (148, 148), (136, 159), (106, 216), (185, 119), (12, 216), (62, 131), (146, 101), (164, 164), (56, 117), (71, 84), (53, 212), (138, 159), (115, 197), (149, 148), (72, 72), (23, 133), (61, 75), (160, 133), (42, 197), (200, 216), (24, 159), (104, 72), (86, 219), (114, 216), (29, 101), (221, 221), (166, 159), (32, 159), (172, 69), (38, 221), (152, 210), (132, 107), (40, 119), (178, 221), (192, 119), (208, 69), (94, 60), (154, 75), (117, 117), (131, 131), (11, 97), (96, 216), (142, 164), (82, 159), (216, 216), (16, 163), (22, 75), (76, 221), (176, 212), (193, 69), (214, 148), (70, 97), (156, 75), (30, 69), (45, 107), (188, 210), (47, 110), (186, 221), (37, 219), (78, 221), (36, 159), (39, 133), (126, 148), (55, 97), (198, 159), (80, 110), (46, 75), (75, 75), (81, 60), (21, 69), (205, 221), (110, 110), (108, 164), (165, 107), (133, 210), (145, 101), (3, 97), (120, 216), (14, 72), (44, 131), (13, 97), (41, 117), (34, 164), (85, 159)] current theta: 0.138382348601 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:07 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 46884 rows and 46934 columns Presolve time: 0.07s Presolved: 3069 rows, 3241 columns, 8931 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3241 integer (3241 binary) Root relaxation: objective 7.105427e-15, 2691 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 48 - 0.00000 - - 0s 0 0 0.00000 0 50 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s 0 0 0.00000 0 46 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (27636 simplex iterations) in 0.92 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, 22, 54, 70, 86, 96, 119, 120, 121, 122, 127, 131, 133, 139, 143, 149, 159, 165, 173, 176, 188, 206, 207] edges [(97, 70), (194, 96), (164, 143), (79, 149), (212, 176), (72, 176), (141, 86), (156, 188), (41, 139), (123, 119), (110, 122), (94, 70), (169, 143), (122, 1), (5, 121), (116, 143), (9, 131), (86, 86), (171, 120), (100, 70), (113, 54), (99, 119), (125, 206), (188, 188), (127, 127), (172, 173), (38, 206), (77, 206), (187, 176), (89, 120), (63, 127), (54, 54), (126, 149), (159, 159), (148, 149), (14, 176), (104, 176), (114, 120), (162, 149), (137, 188), (46, 22), (81, 121), (115, 119), (191, 206), (17, 133), (66, 1), (205, 206), (52, 121), (3, 96), (31, 96), (190, 159), (76, 206), (177, 122), (56, 127), (142, 143), (111, 139), (222, 22), (73, 139), (43, 139), (161, 96), (109, 1), (150, 120), (18, 149), (50, 70), (140, 206), (175, 54), (176, 176), (179, 122), (71, 70), (11, 70), (173, 173), (201, 139), (189, 139), (117, 127), (84, 139), (47, 1), (102, 149), (10, 119), (124, 176), (121, 121), (214, 149), (22, 22), (195, 122), (90, 139), (70, 70), (149, 149), (204, 1), (186, 206), (163, 54), (59, 121), (132, 131), (216, 96), (107, 131), (68, 22), (170, 122), (184, 206), (51, 173), (180, 159), (74, 122), (209, 127), (119, 119), (64, 159), (130, 131), (151, 143), (96, 96), (34, 127), (67, 176), (167, 131), (217, 188), (135, 165), (20, 139), (61, 22), (21, 173), (106, 96), (128, 96), (65, 176), (69, 173), (93, 133), (0, 131), (1, 122), (19, 70), (157, 188), (16, 22), (29, 207), (98, 22), (118, 159), (4, 122), (129, 70), (136, 159), (202, 143), (35, 120), (120, 120), (210, 133), (147, 206), (7, 22), (185, 119), (182, 143), (219, 139), (62, 131), (220, 127), (165, 165), (211, 131), (30, 139), (138, 159), (174, 206), (200, 96), (78, 206), (28, 139), (25, 96), (23, 133), (160, 133), (58, 86), (91, 122), (108, 143), (145, 207), (193, 86), (75, 22), (24, 159), (80, 122), (158, 139), (87, 133), (133, 133), (213, 173), (166, 159), (32, 159), (215, 207), (207, 207), (181, 96), (40, 119), (57, 131), (12, 120), (192, 119), (27, 143), (26, 86), (131, 131), (197, 121), (143, 143), (82, 159), (45, 131), (218, 54), (2, 119), (196, 86), (53, 139), (15, 206), (208, 173), (103, 121), (146, 176), (42, 173), (168, 54), (203, 127), (134, 131), (92, 127), (33, 149), (37, 86), (221, 206), (36, 159), (39, 133), (88, 120), (198, 159), (60, 121), (13, 207), (6, 206), (95, 122), (206, 206), (55, 70), (199, 86), (48, 96), (139, 139), (105, 207), (8, 143), (183, 143), (83, 133), (44, 131), (101, 207), (153, 22), (49, 143), (152, 149), (178, 206), (144, 139), (154, 22), (155, 127), (112, 120), (85, 159)] current theta: 0.133059950578 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:08 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47058 rows and 47125 columns Presolve time: 0.06s Presolved: 2895 rows, 3050 columns, 8392 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3050 integer (3050 binary) Root relaxation: objective 2.842171e-14, 3059 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 (5024 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 [28, 33, 42, 45, 55, 60, 70, 73, 75, 77, 104, 105, 117, 119, 133, 135, 141, 158, 164, 190, 204, 216, 218] edges [(97, 70), (150, 45), (110, 204), (102, 77), (153, 75), (53, 158), (123, 119), (91, 104), (7, 75), (38, 77), (6, 190), (74, 204), (209, 117), (24, 190), (143, 164), (215, 105), (65, 204), (100, 70), (49, 164), (116, 164), (124, 158), (69, 28), (179, 204), (76, 77), (105, 105), (201, 73), (1, 204), (125, 77), (151, 164), (159, 190), (198, 190), (26, 164), (80, 204), (186, 77), (152, 33), (60, 60), (57, 216), (220, 117), (115, 119), (17, 133), (139, 73), (16, 218), (162, 33), (182, 190), (99, 45), (35, 60), (63, 164), (121, 60), (67, 104), (122, 204), (131, 45), (197, 42), (82, 190), (161, 55), (194, 216), (212, 158), (31, 216), (89, 216), (50, 70), (48, 216), (86, 141), (217, 75), (206, 77), (27, 164), (205, 77), (11, 70), (173, 42), (25, 216), (18, 33), (134, 216), (187, 104), (73, 73), (9, 216), (158, 158), (10, 119), (170, 204), (188, 42), (195, 204), (66, 204), (8, 164), (207, 105), (44, 216), (20, 158), (190, 190), (37, 73), (70, 70), (172, 141), (214, 77), (42, 42), (203, 117), (92, 117), (149, 33), (104, 104), (54, 218), (112, 60), (130, 45), (202, 164), (211, 45), (183, 164), (21, 42), (43, 73), (119, 119), (167, 135), (103, 60), (107, 135), (59, 55), (181, 55), (146, 158), (88, 60), (127, 117), (171, 216), (77, 77), (155, 117), (85, 190), (189, 158), (169, 164), (68, 75), (128, 216), (168, 218), (93, 133), (78, 141), (29, 158), (3, 216), (0, 45), (19, 70), (109, 104), (129, 70), (106, 216), (137, 42), (210, 133), (140, 77), (4, 204), (185, 119), (12, 216), (46, 218), (176, 104), (164, 164), (56, 117), (147, 77), (113, 218), (14, 104), (23, 133), (138, 190), (61, 75), (160, 133), (175, 218), (118, 77), (213, 28), (62, 45), (126, 33), (5, 60), (144, 73), (200, 216), (87, 133), (193, 28), (114, 216), (133, 133), (156, 42), (51, 28), (178, 77), (95, 204), (166, 190), (32, 190), (40, 119), (45, 45), (163, 218), (192, 119), (94, 60), (218, 218), (204, 204), (136, 190), (117, 117), (196, 28), (157, 42), (132, 45), (96, 216), (165, 135), (216, 216), (174, 141), (2, 119), (184, 33), (22, 75), (154, 218), (33, 33), (98, 218), (142, 190), (84, 28), (191, 141), (28, 28), (145, 105), (219, 73), (58, 28), (148, 33), (222, 218), (79, 77), (208, 28), (177, 204), (39, 133), (52, 42), (13, 105), (111, 28), (15, 77), (75, 75), (81, 60), (199, 141), (90, 28), (47, 204), (36, 190), (71, 158), (141, 141), (55, 70), (180, 190), (108, 164), (64, 190), (30, 28), (101, 105), (120, 216), (83, 133), (72, 104), (135, 135), (41, 117), (34, 164), (221, 77)] current theta: 0.130398751566 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:09 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47144 rows and 47217 columns Presolve time: 0.06s Presolved: 2809 rows, 2958 columns, 8128 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2958 integer (2958 binary) Root relaxation: objective 2.842171e-14, 3056 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 80 - 0.00000 - - 0s 0 0 0.00000 0 92 - 0.00000 - - 0s 0 0 0.00000 0 90 - 0.00000 - - 0s 0 0 0.00000 0 90 - 0.00000 - - 0s 0 0 0.00000 0 62 - 0.00000 - - 0s 0 0 0.00000 0 90 - 0.00000 - - 0s 0 0 0.00000 0 88 - 0.00000 - - 0s 0 0 0.00000 0 64 - 0.00000 - - 0s 0 0 0.00000 0 88 - 0.00000 - - 0s 0 0 0.00000 0 62 - 0.00000 - - 0s 0 0 0.00000 0 88 - 0.00000 - - 0s 0 0 0.00000 0 88 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 1s Explored 0 nodes (43321 simplex iterations) in 1.25 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 [5, 11, 25, 38, 42, 49, 69, 75, 88, 105, 110, 117, 119, 132, 133, 135, 138, 144, 149, 176, 183, 189, 218] edges [(146, 189), (79, 149), (212, 176), (72, 176), (142, 183), (8, 183), (153, 75), (63, 49), (100, 11), (198, 138), (123, 119), (95, 110), (194, 25), (109, 110), (64, 138), (55, 11), (147, 38), (209, 117), (50, 11), (215, 105), (60, 5), (28, 144), (99, 119), (184, 38), (222, 75), (180, 138), (105, 105), (111, 144), (187, 176), (169, 49), (149, 38), (44, 132), (96, 25), (85, 138), (118, 138), (126, 149), (134, 132), (148, 149), (76, 38), (78, 183), (14, 176), (103, 5), (37, 144), (104, 176), (122, 110), (162, 149), (24, 138), (88, 88), (179, 110), (220, 117), (115, 119), (17, 133), (182, 183), (16, 218), (49, 49), (77, 38), (213, 5), (84, 189), (201, 117), (164, 49), (38, 149), (45, 132), (197, 42), (108, 49), (217, 75), (176, 176), (32, 138), (199, 69), (211, 132), (27, 49), (190, 138), (12, 25), (173, 42), (7, 218), (58, 69), (35, 88), (69, 69), (102, 149), (10, 119), (124, 176), (188, 42), (11, 11), (171, 88), (161, 25), (57, 88), (214, 149), (207, 105), (41, 144), (120, 88), (177, 110), (62, 132), (42, 42), (203, 117), (59, 88), (181, 25), (92, 117), (20, 189), (141, 69), (204, 110), (54, 218), (131, 132), (6, 138), (1, 110), (21, 42), (121, 5), (25, 25), (119, 119), (167, 135), (107, 135), (143, 183), (9, 88), (18, 38), (127, 117), (67, 176), (166, 138), (155, 117), (68, 75), (65, 176), (168, 218), (93, 133), (195, 110), (114, 25), (132, 132), (138, 138), (170, 110), (206, 38), (34, 49), (71, 11), (3, 25), (74, 110), (219, 144), (159, 138), (91, 110), (89, 25), (66, 110), (26, 144), (137, 42), (210, 133), (185, 119), (116, 183), (46, 218), (56, 117), (174, 183), (129, 11), (113, 218), (23, 133), (191, 38), (61, 75), (160, 133), (30, 144), (175, 218), (29, 105), (4, 110), (112, 88), (136, 138), (130, 132), (97, 25), (90, 144), (82, 138), (87, 133), (133, 133), (156, 42), (81, 88), (15, 38), (128, 25), (31, 25), (172, 69), (151, 49), (40, 119), (163, 218), (192, 119), (208, 69), (19, 11), (218, 218), (117, 117), (157, 42), (216, 25), (165, 135), (125, 38), (5, 5), (2, 119), (36, 138), (86, 144), (106, 135), (73, 144), (22, 75), (140, 38), (154, 218), (98, 218), (189, 189), (0, 132), (202, 183), (145, 105), (158, 189), (53, 189), (51, 69), (33, 149), (47, 110), (183, 183), (144, 144), (48, 135), (39, 133), (52, 42), (13, 105), (80, 110), (196, 144), (75, 75), (94, 11), (193, 144), (178, 38), (110, 110), (221, 38), (43, 144), (101, 105), (139, 144), (83, 133), (135, 135), (152, 149), (70, 11), (200, 25), (186, 149), (205, 38), (150, 88)] current theta: 0.12906815206 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:10 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47188 rows and 47267 columns Presolve time: 0.06s Presolved: 2765 rows, 2908 columns, 7990 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2908 integer (2908 binary) Root relaxation: objective -2.842171e-14, 3150 iterations, 0.14 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 (4885 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 [19, 33, 42, 49, 51, 72, 75, 94, 96, 101, 110, 117, 119, 120, 132, 133, 135, 144, 158, 174, 178, 198, 218] edges [(199, 51), (194, 96), (69, 51), (153, 75), (63, 49), (53, 158), (205, 178), (123, 119), (95, 110), (8, 198), (37, 49), (187, 72), (109, 110), (7, 75), (5, 94), (50, 94), (209, 117), (15, 178), (118, 178), (105, 101), (171, 120), (202, 198), (124, 158), (11, 94), (28, 144), (99, 119), (145, 19), (215, 101), (111, 144), (3, 120), (169, 49), (198, 198), (44, 132), (89, 120), (214, 33), (79, 178), (78, 174), (213, 51), (122, 110), (152, 33), (82, 198), (179, 110), (220, 117), (115, 119), (17, 133), (16, 218), (162, 33), (49, 49), (31, 96), (201, 117), (164, 49), (45, 132), (197, 42), (81, 94), (112, 94), (186, 178), (166, 198), (108, 49), (97, 19), (221, 178), (55, 19), (136, 198), (161, 96), (212, 158), (207, 101), (150, 120), (36, 198), (217, 75), (30, 51), (103, 94), (211, 132), (27, 49), (173, 42), (18, 33), (142, 198), (143, 198), (140, 178), (176, 72), (158, 158), (10, 119), (188, 42), (20, 158), (114, 96), (41, 144), (208, 51), (177, 110), (62, 132), (206, 178), (42, 42), (203, 117), (92, 117), (180, 198), (149, 33), (204, 110), (13, 19), (54, 218), (172, 51), (131, 132), (216, 96), (85, 198), (1, 110), (21, 42), (119, 119), (167, 135), (107, 135), (146, 158), (127, 117), (96, 96), (67, 72), (116, 198), (155, 117), (189, 158), (106, 96), (68, 75), (128, 96), (168, 218), (93, 133), (195, 110), (29, 158), (132, 132), (170, 110), (34, 49), (74, 110), (219, 144), (83, 33), (91, 110), (66, 110), (182, 198), (26, 144), (137, 42), (35, 120), (120, 120), (210, 133), (51, 51), (185, 119), (190, 198), (46, 218), (56, 117), (200, 96), (25, 96), (113, 218), (57, 120), (72, 72), (23, 133), (61, 75), (160, 133), (175, 218), (4, 110), (126, 33), (24, 198), (90, 144), (38, 178), (104, 72), (87, 133), (133, 133), (156, 42), (64, 198), (181, 96), (65, 101), (151, 49), (40, 119), (12, 120), (163, 218), (192, 119), (218, 218), (117, 117), (157, 42), (9, 120), (165, 135), (130, 120), (125, 178), (2, 119), (184, 33), (86, 144), (100, 19), (73, 144), (22, 75), (154, 218), (33, 33), (98, 218), (0, 132), (60, 94), (102, 178), (101, 101), (58, 51), (19, 19), (121, 94), (183, 198), (148, 33), (222, 218), (84, 51), (47, 110), (129, 19), (144, 144), (138, 198), (147, 174), (39, 133), (134, 135), (76, 178), (52, 42), (88, 120), (80, 110), (191, 174), (70, 19), (196, 144), (75, 75), (159, 198), (193, 144), (71, 158), (174, 174), (110, 110), (48, 96), (43, 144), (178, 178), (77, 178), (139, 144), (14, 72), (141, 174), (135, 135), (94, 94), (59, 94), (6, 198), (32, 198)] current theta: 0.128402852307 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:11 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47204 rows and 47283 columns Presolve time: 0.06s Presolved: 2749 rows, 2892 columns, 7942 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2892 integer (2892 binary) Root relaxation: objective 4.263256e-14, 3237 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 112 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 1 Zero half: 16 Explored 0 nodes (7564 simplex iterations) in 0.32 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, 11, 31, 33, 42, 49, 51, 75, 103, 104, 105, 117, 119, 120, 133, 135, 144, 158, 174, 178, 198, 204, 218] edges [(9, 0), (199, 51), (25, 31), (69, 51), (110, 204), (94, 103), (114, 31), (153, 75), (63, 49), (53, 158), (100, 11), (205, 178), (123, 119), (8, 198), (91, 104), (62, 0), (37, 49), (7, 75), (55, 11), (74, 204), (209, 117), (15, 178), (118, 178), (50, 11), (215, 105), (65, 204), (171, 120), (202, 198), (124, 158), (28, 144), (99, 119), (179, 204), (105, 105), (111, 144), (1, 204), (3, 120), (169, 49), (198, 198), (80, 204), (89, 120), (214, 33), (79, 178), (78, 174), (213, 51), (152, 33), (82, 198), (220, 117), (115, 119), (17, 133), (16, 218), (162, 33), (49, 49), (184, 178), (201, 117), (31, 31), (97, 31), (67, 104), (164, 49), (122, 204), (197, 42), (186, 178), (166, 198), (108, 49), (221, 178), (136, 198), (212, 158), (150, 120), (36, 198), (217, 75), (30, 51), (128, 31), (27, 49), (60, 103), (173, 42), (18, 33), (142, 198), (44, 0), (211, 0), (187, 104), (143, 198), (140, 178), (158, 158), (10, 119), (170, 204), (188, 42), (11, 11), (195, 204), (66, 204), (207, 105), (20, 158), (208, 51), (206, 178), (42, 42), (203, 117), (92, 117), (45, 0), (180, 198), (149, 33), (104, 104), (54, 218), (172, 51), (81, 120), (85, 198), (21, 42), (119, 119), (194, 31), (167, 135), (107, 135), (146, 158), (127, 117), (200, 31), (116, 198), (155, 117), (189, 158), (103, 103), (68, 75), (168, 218), (93, 133), (29, 158), (34, 49), (5, 103), (57, 0), (219, 144), (83, 33), (130, 0), (109, 104), (182, 198), (26, 144), (137, 42), (35, 120), (120, 120), (210, 133), (51, 51), (4, 204), (185, 119), (190, 198), (46, 218), (176, 104), (0, 0), (56, 117), (129, 11), (113, 218), (14, 104), (121, 103), (216, 120), (23, 133), (61, 75), (160, 133), (175, 218), (131, 0), (96, 31), (126, 33), (59, 120), (24, 198), (90, 144), (38, 178), (87, 133), (133, 133), (156, 42), (64, 198), (95, 204), (151, 49), (40, 119), (163, 218), (192, 119), (19, 11), (218, 218), (204, 204), (132, 0), (117, 117), (157, 42), (12, 31), (165, 135), (125, 178), (2, 119), (86, 144), (106, 135), (73, 144), (22, 75), (154, 218), (33, 33), (98, 218), (102, 178), (145, 105), (58, 51), (183, 198), (148, 33), (222, 218), (84, 51), (181, 31), (144, 144), (177, 204), (138, 198), (48, 135), (147, 174), (39, 133), (161, 31), (134, 135), (76, 178), (52, 42), (88, 120), (13, 105), (191, 174), (196, 144), (75, 75), (159, 198), (47, 204), (193, 144), (71, 158), (174, 174), (43, 144), (178, 178), (101, 105), (77, 178), (139, 144), (141, 174), (72, 104), (135, 135), (41, 117), (70, 11), (6, 198), (32, 198), (112, 120)] current theta: 0.128070202431 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:11 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47228 rows and 47312 columns Presolve time: 0.06s Presolved: 2725 rows, 2863 columns, 7865 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2863 integer (2863 binary) Root relaxation: objective 0.000000e+00, 3394 iterations, 0.16 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 (4969 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 [11, 25, 33, 42, 49, 51, 72, 75, 103, 105, 117, 119, 120, 132, 133, 135, 144, 158, 174, 178, 198, 204, 218] edges [(199, 51), (69, 51), (110, 204), (94, 103), (153, 75), (221, 174), (63, 49), (53, 158), (100, 11), (205, 178), (123, 119), (8, 198), (194, 25), (187, 72), (7, 75), (55, 11), (74, 204), (209, 117), (15, 178), (118, 178), (50, 11), (215, 105), (65, 204), (171, 120), (202, 198), (124, 158), (99, 119), (147, 178), (222, 75), (179, 204), (105, 105), (111, 144), (1, 204), (3, 120), (169, 49), (198, 198), (44, 132), (80, 204), (96, 25), (89, 120), (214, 33), (79, 178), (37, 144), (78, 174), (213, 51), (114, 120), (152, 33), (82, 198), (220, 117), (115, 119), (17, 133), (16, 218), (162, 33), (49, 49), (184, 178), (201, 117), (196, 51), (164, 49), (122, 204), (45, 132), (197, 42), (186, 178), (166, 198), (108, 49), (136, 198), (212, 158), (150, 120), (36, 198), (217, 75), (211, 132), (27, 49), (60, 103), (12, 25), (18, 33), (142, 198), (91, 72), (143, 198), (140, 178), (176, 72), (86, 174), (158, 158), (10, 119), (170, 204), (188, 42), (11, 11), (161, 25), (195, 204), (66, 204), (207, 105), (20, 158), (208, 51), (62, 132), (206, 178), (42, 42), (203, 117), (181, 25), (92, 117), (180, 198), (149, 33), (28, 51), (54, 218), (172, 51), (81, 120), (131, 132), (85, 198), (93, 33), (52, 103), (21, 42), (25, 25), (119, 119), (167, 135), (107, 135), (146, 158), (127, 117), (67, 72), (116, 198), (155, 117), (189, 158), (103, 103), (68, 75), (168, 218), (29, 158), (132, 132), (34, 49), (5, 103), (219, 144), (83, 33), (182, 198), (26, 144), (137, 42), (35, 120), (120, 120), (210, 133), (51, 51), (4, 204), (185, 119), (190, 198), (56, 117), (129, 11), (113, 218), (57, 120), (121, 103), (72, 72), (216, 120), (23, 133), (61, 75), (160, 133), (30, 144), (175, 218), (193, 51), (126, 33), (59, 120), (130, 132), (97, 25), (24, 198), (90, 144), (38, 178), (104, 72), (87, 133), (133, 133), (156, 42), (64, 198), (128, 25), (31, 25), (95, 204), (151, 49), (40, 119), (163, 218), (192, 119), (19, 11), (218, 218), (204, 204), (117, 117), (157, 42), (9, 120), (165, 135), (125, 178), (2, 119), (106, 135), (73, 144), (22, 75), (154, 218), (33, 33), (98, 218), (0, 132), (102, 178), (145, 105), (58, 51), (183, 198), (148, 33), (84, 51), (144, 144), (177, 204), (138, 198), (48, 135), (109, 72), (39, 133), (134, 135), (76, 178), (88, 120), (13, 105), (191, 174), (46, 75), (75, 75), (159, 198), (47, 204), (71, 158), (174, 174), (43, 144), (178, 178), (101, 105), (77, 178), (139, 144), (14, 72), (141, 174), (135, 135), (41, 117), (70, 11), (200, 25), (6, 198), (32, 198), (173, 51), (112, 120)] current theta: 0.127903877493 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:12 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47230 rows and 47314 columns Presolve time: 0.06s Presolved: 2723 rows, 2861 columns, 7859 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2861 integer (2861 binary) Root relaxation: objective 0.000000e+00, 3196 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 (3196 simplex iterations) in 0.20 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, 31, 33, 42, 49, 51, 72, 75, 105, 117, 119, 120, 121, 132, 133, 135, 144, 158, 174, 178, 198, 204, 218] edges [(199, 51), (25, 31), (69, 51), (110, 204), (153, 75), (221, 174), (63, 49), (53, 158), (100, 11), (123, 119), (8, 198), (187, 72), (7, 75), (55, 11), (5, 121), (74, 204), (205, 174), (209, 117), (15, 178), (118, 178), (50, 11), (215, 105), (65, 204), (171, 120), (202, 198), (124, 158), (28, 144), (99, 119), (147, 178), (179, 204), (105, 105), (111, 144), (1, 204), (169, 49), (198, 198), (3, 31), (44, 132), (80, 204), (89, 120), (134, 132), (214, 33), (79, 178), (37, 144), (78, 174), (213, 51), (114, 120), (152, 33), (82, 198), (220, 117), (115, 119), (17, 133), (16, 218), (162, 33), (49, 49), (52, 121), (184, 178), (201, 117), (31, 31), (97, 31), (196, 51), (164, 49), (122, 204), (45, 132), (197, 42), (186, 178), (166, 198), (108, 49), (136, 198), (212, 158), (150, 120), (36, 198), (217, 75), (2, 121), (30, 51), (128, 31), (211, 132), (27, 49), (18, 33), (142, 198), (91, 72), (143, 198), (140, 178), (216, 31), (176, 72), (86, 174), (158, 158), (10, 119), (170, 204), (188, 42), (121, 121), (11, 11), (195, 204), (66, 204), (207, 105), (20, 158), (208, 51), (62, 132), (206, 178), (42, 42), (203, 117), (92, 117), (180, 198), (149, 33), (54, 218), (172, 51), (81, 120), (131, 132), (85, 198), (21, 42), (119, 119), (194, 31), (167, 135), (107, 135), (146, 158), (127, 117), (67, 72), (200, 31), (116, 198), (155, 117), (189, 158), (68, 75), (168, 218), (93, 133), (29, 158), (132, 132), (34, 49), (219, 144), (83, 33), (182, 198), (26, 144), (137, 42), (35, 120), (120, 120), (210, 133), (51, 51), (4, 204), (185, 119), (190, 198), (56, 117), (129, 11), (113, 218), (57, 120), (72, 72), (23, 133), (61, 75), (160, 133), (175, 218), (96, 31), (193, 51), (126, 33), (59, 120), (130, 132), (24, 198), (90, 144), (38, 178), (104, 72), (87, 133), (133, 133), (156, 42), (64, 198), (95, 204), (151, 49), (40, 119), (12, 120), (163, 218), (192, 119), (19, 11), (218, 218), (204, 204), (117, 117), (157, 42), (9, 120), (165, 135), (125, 178), (106, 135), (73, 144), (22, 75), (154, 218), (33, 33), (98, 218), (0, 132), (102, 178), (145, 105), (103, 121), (58, 51), (183, 198), (148, 33), (222, 218), (84, 51), (181, 31), (144, 144), (177, 204), (138, 198), (48, 135), (109, 72), (39, 133), (161, 31), (76, 178), (88, 120), (13, 105), (60, 121), (191, 174), (46, 75), (75, 75), (159, 198), (47, 204), (94, 11), (71, 158), (174, 174), (43, 144), (178, 178), (101, 105), (77, 178), (139, 144), (14, 72), (141, 174), (135, 135), (41, 117), (70, 11), (6, 198), (32, 198), (173, 51), (112, 120)] current theta: 0.127820715024 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:25:12 2014 Optimize a model with 49953 rows, 50175 columns and 149633 nonzeros Presolve removed 47234 rows and 47318 columns Presolve time: 0.06s Presolved: 2719 rows, 2857 columns, 7847 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2857 integer (2857 binary) Root relaxation: cutoff, 3240 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 (3240 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 -