current theta: 0.651589544356 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:45 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 11618 rows and 11618 columns Presolve time: 0.56s Presolved: 22423 rows, 22606 columns, 67082 nonzeros Variable types: 0 continuous, 22606 integer (22606 binary) Root relaxation: objective 0.000000e+00, 2816 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 (5439 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [16, 30, 31, 41, 50, 64, 71, 73, 76, 77, 83, 98, 110, 135, 142, 143, 153, 161, 171] edges [(55, 16), (136, 110), (40, 83), (154, 153), (13, 83), (125, 41), (19, 64), (51, 41), (89, 73), (79, 50), (27, 142), (6, 16), (173, 16), (25, 41), (4, 41), (90, 153), (1, 31), (87, 16), (98, 110), (7, 71), (141, 31), (43, 71), (56, 41), (113, 153), (0, 153), (15, 64), (162, 41), (2, 83), (46, 135), (11, 41), (115, 41), (94, 41), (161, 142), (103, 83), (78, 64), (175, 171), (165, 73), (80, 41), (157, 30), (42, 41), (97, 171), (54, 64), (123, 171), (21, 64), (140, 71), (109, 153), (166, 153), (183, 64), (66, 71), (18, 41), (75, 41), (71, 16), (74, 142), (134, 30), (65, 64), (156, 110), (49, 41), (119, 31), (73, 143), (20, 73), (178, 71), (177, 142), (57, 30), (117, 41), (12, 83), (64, 64), (137, 64), (39, 31), (17, 73), (30, 171), (147, 16), (130, 31), (16, 83), (176, 76), (23, 64), (59, 30), (3, 30), (34, 30), (169, 64), (146, 71), (164, 161), (180, 41), (47, 153), (29, 30), (48, 110), (96, 30), (9, 30), (133, 64), (14, 31), (128, 135), (92, 110), (24, 31), (145, 171), (36, 30), (121, 83), (26, 77), (72, 142), (107, 135), (35, 76), (120, 73), (168, 142), (118, 135), (68, 142), (8, 41), (93, 30), (37, 30), (124, 64), (77, 110), (148, 110), (32, 31), (88, 41), (91, 110), (58, 31), (126, 30), (100, 64), (84, 31), (105, 30), (116, 73), (153, 153), (53, 83), (106, 30), (132, 16), (139, 83), (44, 76), (172, 110), (45, 30), (108, 83), (50, 153), (127, 30), (81, 30), (150, 71), (60, 171), (171, 83), (10, 41), (122, 31), (138, 16), (38, 41), (151, 16), (174, 110), (33, 41), (182, 71), (114, 30), (31, 110), (99, 76), (135, 135), (152, 64), (102, 64), (67, 110), (167, 153), (143, 143), (62, 171), (179, 41), (158, 50), (63, 83), (170, 135), (129, 31), (144, 41), (155, 31), (95, 143), (104, 142), (76, 41), (111, 16), (5, 71), (70, 31), (69, 110), (22, 110), (83, 110), (61, 41), (41, 16), (131, 31), (101, 83), (110, 110), (86, 153), (159, 50), (52, 83), (85, 77), (28, 16), (82, 31), (160, 83), (163, 31), (142, 142), (112, 142), (149, 64), (181, 41)] current theta: 0.325794772178 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:46 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 25878 rows and 25878 columns Presolve time: 0.23s Presolved: 8163 rows, 8346 columns, 24302 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 8346 integer (8346 binary) Root relaxation: objective 0.000000e+00, 1488 iterations, 0.06 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 (3579 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 [7, 23, 25, 32, 37, 50, 58, 64, 79, 125, 135, 141, 143, 147, 149, 153, 171, 174, 177] edges [(157, 23), (25, 37), (183, 135), (151, 147), (114, 174), (91, 174), (155, 147), (100, 125), (111, 177), (28, 79), (41, 149), (95, 79), (107, 32), (47, 171), (64, 79), (109, 79), (147, 125), (148, 177), (66, 174), (182, 177), (145, 149), (121, 23), (45, 79), (35, 23), (63, 37), (139, 177), (58, 177), (124, 125), (30, 174), (140, 79), (67, 174), (16, 177), (138, 32), (92, 174), (165, 171), (71, 177), (117, 174), (88, 125), (50, 143), (59, 23), (158, 174), (81, 125), (156, 177), (31, 177), (24, 125), (46, 174), (4, 149), (21, 141), (56, 147), (128, 177), (72, 177), (159, 174), (134, 149), (40, 79), (10, 25), (179, 141), (105, 23), (73, 143), (173, 174), (29, 37), (33, 147), (17, 50), (76, 149), (101, 23), (169, 37), (174, 174), (113, 174), (131, 141), (175, 50), (52, 7), (65, 37), (22, 135), (70, 147), (129, 141), (69, 177), (78, 125), (44, 25), (172, 174), (79, 79), (150, 174), (49, 37), (115, 149), (171, 143), (19, 79), (43, 177), (149, 37), (60, 174), (86, 37), (84, 147), (108, 177), (119, 177), (181, 177), (180, 147), (168, 32), (55, 64), (62, 174), (97, 174), (1, 79), (98, 174), (12, 149), (161, 177), (122, 147), (94, 64), (61, 64), (20, 174), (163, 79), (123, 153), (23, 79), (89, 79), (125, 125), (132, 141), (176, 177), (120, 23), (104, 174), (74, 177), (9, 64), (3, 25), (85, 177), (116, 135), (178, 64), (110, 58), (36, 177), (112, 32), (53, 177), (130, 147), (6, 147), (136, 174), (144, 149), (141, 25), (90, 37), (177, 64), (137, 79), (87, 174), (57, 174), (75, 64), (68, 23), (34, 23), (126, 37), (7, 177), (27, 174), (51, 147), (99, 25), (2, 37), (143, 153), (42, 177), (135, 135), (83, 174), (160, 135), (133, 141), (106, 23), (26, 149), (38, 37), (8, 125), (37, 79), (48, 174), (170, 177), (152, 147), (162, 79), (153, 143), (13, 174), (146, 147), (118, 174), (166, 174), (154, 149), (82, 147), (18, 23), (54, 147), (39, 79), (15, 23), (127, 25), (164, 147), (14, 25), (5, 79), (93, 174), (142, 32), (102, 37), (167, 174), (11, 149), (0, 25), (80, 141), (96, 79), (103, 177), (32, 32), (77, 174)] current theta: 0.162897386089 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:47 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31300 rows and 31321 columns Presolve time: 0.05s Presolved: 2741 rows, 2903 columns, 8015 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2903 integer (2903 binary) Root relaxation: objective 0.000000e+00, 2168 iterations, 0.07 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 (3934 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [14, 34, 36, 50, 60, 65, 77, 92, 96, 124, 131, 132, 162, 166, 169, 170, 175, 177, 182] edges [(75, 96), (57, 77), (168, 182), (65, 65), (80, 162), (2, 175), (162, 14), (128, 182), (50, 50), (58, 170), (76, 162), (14, 14), (170, 170), (29, 65), (30, 166), (44, 169), (59, 65), (38, 65), (8, 132), (171, 50), (40, 96), (78, 124), (175, 175), (174, 92), (28, 124), (100, 162), (3, 34), (133, 96), (116, 170), (88, 14), (60, 60), (18, 65), (127, 169), (145, 65), (169, 169), (25, 169), (140, 162), (74, 170), (136, 166), (101, 169), (70, 131), (154, 65), (15, 169), (156, 177), (31, 177), (94, 96), (43, 170), (146, 132), (95, 166), (22, 170), (71, 170), (84, 131), (82, 132), (114, 175), (110, 170), (36, 36), (183, 36), (98, 60), (37, 65), (160, 170), (69, 170), (99, 169), (41, 96), (72, 36), (24, 131), (92, 92), (135, 170), (51, 132), (87, 92), (5, 96), (113, 166), (39, 77), (117, 92), (68, 96), (134, 14), (90, 65), (67, 92), (62, 92), (120, 65), (123, 175), (132, 131), (63, 65), (106, 34), (56, 124), (46, 77), (163, 96), (180, 132), (20, 50), (104, 166), (17, 92), (107, 177), (26, 169), (96, 96), (27, 60), (77, 77), (32, 177), (66, 92), (64, 77), (52, 177), (47, 50), (172, 60), (86, 162), (81, 34), (118, 92), (53, 60), (97, 92), (109, 77), (137, 124), (122, 132), (138, 182), (10, 14), (147, 132), (93, 92), (126, 169), (35, 162), (148, 182), (45, 77), (153, 50), (182, 182), (91, 60), (108, 182), (142, 170), (34, 34), (173, 60), (149, 169), (181, 182), (151, 182), (21, 124), (102, 169), (179, 131), (13, 92), (4, 65), (0, 169), (143, 50), (158, 77), (167, 175), (89, 166), (49, 169), (9, 177), (73, 50), (7, 177), (152, 124), (141, 124), (19, 65), (130, 124), (144, 65), (6, 131), (131, 131), (1, 131), (125, 124), (85, 131), (61, 96), (139, 96), (54, 132), (42, 36), (166, 77), (79, 166), (83, 77), (115, 34), (105, 169), (157, 34), (121, 65), (48, 77), (124, 124), (164, 182), (161, 36), (150, 60), (155, 131), (178, 96), (112, 177), (129, 124), (55, 166), (16, 36), (23, 169), (176, 131), (159, 50), (177, 177), (12, 65), (165, 175), (111, 36), (103, 177), (33, 132), (11, 34), (119, 170)] current theta: 0.0814486930445 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:47 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 33016 rows and 33194 columns Presolve time: 0.03s Presolved: 1025 rows, 1030 columns, 2728 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1030 integer (1029 binary) Root relaxation: cutoff, 1114 iterations, 0.01 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 (1114 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.122173039567 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:47 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 32232 rows and 32338 columns Presolve time: 0.04s Presolved: 1809 rows, 1886 columns, 5134 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1886 integer (1886 binary) Root relaxation: cutoff, 2112 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (2112 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: 0.142535212828 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:48 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31786 rows and 31840 columns Presolve time: 0.04s Presolved: 2255 rows, 2384 columns, 6524 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2384 integer (2384 binary) Root relaxation: cutoff, 2756 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 (2756 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.152716299458 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:48 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31540 rows and 31571 columns Presolve time: 0.05s Presolved: 2501 rows, 2653 columns, 7285 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2653 integer (2653 binary) Root relaxation: objective 3.552714e-15, 2619 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 (4164 simplex iterations) in 0.18 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 [36, 49, 50, 57, 60, 63, 76, 81, 92, 96, 99, 107, 125, 132, 143, 166, 170, 175, 181] edges [(169, 81), (152, 125), (75, 96), (115, 99), (2, 175), (32, 36), (154, 63), (157, 99), (130, 125), (50, 50), (58, 170), (37, 49), (170, 170), (30, 166), (71, 36), (6, 132), (8, 132), (171, 50), (40, 96), (175, 63), (177, 107), (174, 92), (162, 76), (19, 76), (124, 125), (158, 166), (15, 49), (9, 107), (133, 96), (68, 166), (116, 170), (46, 166), (60, 60), (88, 125), (31, 181), (49, 49), (74, 170), (99, 99), (181, 181), (136, 166), (127, 99), (94, 96), (27, 57), (83, 92), (44, 99), (43, 170), (146, 132), (95, 166), (156, 36), (22, 170), (82, 132), (14, 81), (77, 57), (120, 49), (114, 63), (182, 181), (11, 99), (110, 170), (36, 36), (183, 36), (98, 60), (160, 170), (164, 181), (137, 125), (41, 96), (72, 36), (101, 99), (140, 76), (90, 63), (56, 132), (92, 92), (138, 181), (135, 170), (28, 125), (51, 132), (87, 92), (5, 96), (4, 63), (113, 166), (117, 92), (42, 170), (45, 166), (21, 125), (67, 92), (59, 63), (62, 92), (108, 107), (123, 175), (131, 132), (163, 96), (84, 132), (179, 132), (3, 99), (148, 181), (128, 181), (144, 76), (180, 132), (20, 50), (141, 125), (104, 166), (80, 125), (134, 81), (17, 92), (103, 107), (54, 181), (96, 96), (105, 99), (86, 49), (107, 181), (81, 81), (66, 92), (125, 125), (18, 63), (48, 57), (172, 60), (63, 175), (132, 132), (149, 49), (78, 132), (118, 92), (151, 181), (53, 60), (52, 107), (97, 92), (176, 181), (122, 132), (147, 132), (24, 132), (129, 125), (91, 60), (142, 170), (38, 49), (173, 60), (161, 170), (119, 36), (155, 132), (70, 125), (12, 49), (13, 92), (167, 175), (89, 166), (100, 81), (168, 107), (85, 181), (26, 49), (73, 50), (47, 143), (93, 60), (0, 49), (7, 107), (126, 99), (109, 57), (145, 63), (143, 143), (64, 57), (61, 96), (102, 99), (139, 96), (79, 166), (57, 57), (76, 76), (35, 49), (34, 81), (29, 63), (121, 49), (1, 125), (153, 143), (25, 99), (65, 63), (150, 60), (69, 36), (178, 96), (112, 107), (55, 166), (16, 36), (159, 50), (106, 81), (10, 125), (39, 166), (165, 175), (111, 36), (33, 132), (166, 166), (23, 49)] current theta: 0.147625756143 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:48 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31660 rows and 31699 columns Presolve time: 0.04s Presolved: 2381 rows, 2525 columns, 6917 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2525 integer (2525 binary) Root relaxation: objective -1.421085e-14, 2247 iterations, 0.08 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 (3692 simplex iterations) in 0.18 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 [10, 11, 18, 47, 49, 71, 76, 107, 116, 117, 134, 136, 137, 159, 161, 163, 172, 179, 181] edges [(97, 172), (130, 10), (154, 18), (98, 172), (96, 163), (174, 172), (45, 136), (67, 172), (71, 71), (106, 11), (166, 136), (116, 116), (177, 107), (131, 137), (39, 136), (169, 11), (162, 76), (19, 76), (28, 137), (73, 159), (15, 49), (180, 179), (159, 159), (44, 49), (101, 49), (9, 107), (135, 116), (54, 179), (66, 172), (47, 47), (31, 181), (49, 49), (88, 137), (181, 181), (27, 172), (161, 71), (3, 11), (1, 137), (77, 136), (32, 107), (42, 71), (21, 137), (120, 49), (40, 163), (104, 136), (182, 181), (124, 137), (152, 137), (89, 76), (48, 172), (164, 181), (129, 137), (143, 47), (50, 159), (153, 47), (6, 179), (173, 172), (90, 18), (140, 76), (178, 163), (11, 11), (145, 18), (10, 134), (138, 181), (4, 18), (36, 71), (150, 116), (167, 117), (108, 181), (13, 172), (94, 163), (72, 161), (92, 117), (99, 11), (30, 117), (59, 18), (46, 136), (183, 71), (163, 163), (53, 71), (2, 18), (17, 159), (93, 172), (68, 163), (51, 179), (114, 117), (65, 18), (125, 10), (105, 49), (165, 47), (148, 181), (128, 181), (144, 76), (58, 116), (103, 107), (63, 18), (113, 136), (69, 161), (160, 116), (111, 71), (110, 116), (29, 18), (139, 163), (81, 11), (86, 49), (64, 136), (43, 161), (123, 18), (179, 179), (107, 181), (142, 116), (56, 179), (34, 11), (147, 179), (16, 71), (126, 49), (156, 107), (149, 49), (151, 181), (52, 107), (87, 172), (127, 11), (146, 179), (118, 159), (176, 181), (136, 136), (33, 179), (22, 116), (109, 136), (37, 76), (62, 136), (82, 179), (119, 71), (134, 134), (55, 136), (20, 159), (38, 49), (83, 172), (12, 49), (18, 18), (61, 163), (84, 179), (85, 181), (26, 49), (137, 137), (79, 163), (155, 179), (168, 181), (0, 49), (80, 137), (7, 107), (102, 49), (100, 10), (133, 163), (117, 117), (95, 76), (122, 179), (157, 11), (25, 11), (14, 134), (132, 179), (76, 76), (35, 49), (172, 172), (57, 136), (41, 163), (121, 49), (5, 163), (60, 172), (74, 116), (70, 137), (170, 161), (112, 107), (24, 137), (91, 172), (78, 179), (171, 47), (115, 11), (141, 137), (175, 47), (8, 179), (158, 136), (23, 49), (75, 163)] current theta: 0.145080484485 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:48 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31720 rows and 31764 columns Presolve time: 0.04s Presolved: 2321 rows, 2460 columns, 6732 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2460 integer (2460 binary) Root relaxation: objective 0.000000e+00, 2689 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 (3991 simplex iterations) in 0.17 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, 23, 47, 71, 76, 77, 104, 106, 107, 116, 117, 126, 141, 151, 155, 159, 163, 172] edges [(97, 172), (57, 77), (149, 76), (104, 77), (98, 172), (85, 155), (96, 163), (174, 172), (67, 172), (71, 71), (145, 4), (69, 16), (113, 104), (81, 106), (55, 104), (43, 16), (63, 4), (106, 106), (78, 155), (116, 116), (28, 141), (70, 141), (158, 104), (162, 76), (35, 23), (19, 76), (73, 159), (159, 159), (34, 106), (9, 107), (135, 116), (23, 23), (66, 172), (47, 47), (37, 23), (157, 106), (25, 106), (119, 116), (10, 141), (27, 172), (33, 155), (161, 71), (21, 141), (128, 107), (147, 155), (42, 71), (124, 141), (1, 141), (40, 163), (101, 23), (18, 4), (89, 76), (48, 172), (127, 23), (143, 47), (50, 159), (56, 155), (153, 47), (115, 106), (131, 155), (154, 4), (173, 172), (140, 76), (129, 141), (132, 151), (178, 163), (86, 76), (102, 126), (36, 71), (150, 116), (167, 117), (13, 172), (39, 77), (94, 163), (0, 126), (180, 151), (38, 126), (92, 117), (88, 141), (30, 117), (99, 126), (108, 107), (183, 71), (163, 163), (53, 71), (46, 104), (17, 159), (93, 172), (126, 126), (114, 117), (136, 77), (165, 47), (144, 76), (54, 155), (68, 104), (49, 126), (84, 155), (11, 106), (58, 116), (103, 107), (134, 106), (160, 116), (111, 71), (110, 116), (139, 163), (152, 141), (77, 77), (31, 107), (142, 116), (16, 71), (169, 126), (120, 23), (6, 155), (26, 126), (138, 151), (52, 107), (87, 172), (24, 155), (12, 76), (122, 155), (151, 155), (109, 104), (22, 116), (118, 117), (45, 77), (20, 159), (83, 172), (14, 141), (107, 107), (3, 126), (90, 4), (61, 163), (164, 151), (176, 155), (156, 16), (168, 107), (44, 126), (121, 4), (79, 163), (105, 126), (7, 107), (8, 155), (137, 141), (100, 23), (133, 163), (117, 117), (51, 151), (2, 4), (59, 4), (95, 76), (166, 104), (62, 77), (181, 151), (146, 151), (32, 16), (125, 141), (29, 4), (172, 172), (41, 163), (148, 107), (170, 116), (82, 151), (72, 16), (5, 163), (65, 4), (60, 172), (74, 116), (130, 141), (179, 155), (112, 107), (15, 23), (123, 4), (141, 141), (182, 151), (91, 172), (171, 47), (177, 16), (175, 47), (155, 155), (64, 104), (80, 141), (4, 4), (76, 23), (75, 163)] current theta: 0.143807848657 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:49 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31758 rows and 31809 columns Presolve time: 0.04s Presolved: 2283 rows, 2415 columns, 6611 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2415 integer (2415 binary) Root relaxation: objective 7.105427e-15, 2399 iterations, 0.08 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 (3835 simplex iterations) in 0.17 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, 20, 34, 45, 47, 63, 71, 72, 76, 81, 96, 107, 109, 116, 117, 141, 151, 155, 172] edges [(97, 172), (73, 20), (75, 96), (15, 81), (149, 76), (98, 172), (154, 63), (85, 155), (174, 172), (67, 172), (71, 71), (127, 34), (40, 96), (42, 116), (78, 155), (116, 116), (28, 141), (177, 107), (70, 141), (162, 76), (19, 76), (3, 34), (17, 20), (126, 0), (9, 107), (133, 96), (135, 116), (105, 0), (66, 172), (47, 47), (55, 45), (119, 116), (50, 20), (10, 141), (27, 172), (94, 96), (33, 155), (161, 71), (38, 0), (21, 141), (128, 107), (147, 155), (39, 45), (64, 109), (32, 107), (101, 0), (124, 141), (23, 76), (1, 141), (57, 109), (109, 109), (2, 63), (49, 0), (89, 76), (48, 172), (143, 47), (44, 0), (56, 155), (136, 45), (153, 47), (41, 96), (131, 155), (173, 172), (140, 76), (102, 0), (129, 141), (90, 63), (132, 151), (86, 76), (36, 71), (150, 116), (167, 117), (5, 96), (4, 63), (13, 172), (77, 45), (180, 151), (68, 96), (158, 109), (92, 117), (59, 63), (88, 141), (30, 117), (113, 45), (108, 107), (183, 71), (53, 71), (106, 34), (93, 172), (163, 96), (114, 117), (165, 47), (144, 76), (54, 155), (122, 151), (84, 155), (58, 116), (134, 81), (103, 107), (160, 116), (111, 71), (110, 116), (96, 96), (166, 45), (152, 141), (123, 63), (31, 107), (142, 116), (81, 81), (18, 63), (6, 155), (156, 107), (63, 63), (79, 109), (138, 151), (52, 107), (87, 172), (24, 155), (12, 76), (151, 155), (120, 0), (22, 116), (37, 76), (26, 0), (118, 117), (0, 0), (20, 20), (34, 34), (72, 72), (83, 172), (159, 20), (14, 141), (107, 107), (16, 72), (121, 0), (62, 45), (164, 151), (69, 72), (176, 155), (100, 81), (168, 107), (25, 34), (104, 109), (43, 72), (46, 109), (7, 107), (8, 155), (45, 45), (137, 141), (117, 117), (51, 151), (145, 63), (95, 76), (61, 96), (139, 96), (169, 0), (181, 151), (146, 151), (115, 34), (125, 141), (76, 76), (172, 172), (157, 34), (29, 63), (148, 107), (170, 116), (82, 151), (60, 172), (74, 116), (65, 63), (99, 34), (178, 96), (130, 141), (171, 20), (179, 155), (112, 107), (141, 141), (182, 151), (91, 172), (175, 47), (155, 155), (80, 141), (11, 34), (35, 81)] current theta: 0.143171530742 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:49 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31778 rows and 31831 columns Presolve time: 0.04s Presolved: 2263 rows, 2393 columns, 6549 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2393 integer (2393 binary) Root relaxation: cutoff, 2753 iterations, 0.09 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 (2753 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.143489689699 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:49 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31768 rows and 31821 columns Presolve time: 0.04s Presolved: 2273 rows, 2403 columns, 6579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2403 integer (2403 binary) Root relaxation: cutoff, 2686 iterations, 0.09 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 (2686 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.143648769178 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:50 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31764 rows and 31815 columns Presolve time: 0.04s Presolved: 2277 rows, 2409 columns, 6593 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2409 integer (2409 binary) Root relaxation: cutoff, 2666 iterations, 0.09 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 (2666 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.143728308917 Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:34:50 2014 Optimize a model with 34041 rows, 34224 columns and 101936 nonzeros Presolve removed 31762 rows and 31813 columns Presolve time: 0.04s Presolved: 2279 rows, 2411 columns, 6599 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2411 integer (2411 binary) Root relaxation: cutoff, 2694 iterations, 0.09 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 (2694 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -