current theta: 0.670493643651 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:02 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 3816 rows and 3816 columns Presolve time: 0.17s Presolved: 9991 rows, 10107 columns, 29853 nonzeros Variable types: 0 continuous, 10107 integer (10107 binary) Root relaxation: objective 0.000000e+00, 737 iterations, 0.01 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 (1536 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 [9, 10, 56, 58, 65, 67, 68, 74, 87, 103, 113, 116] edges [(85, 87), (26, 74), (0, 116), (56, 74), (6, 116), (100, 113), (38, 116), (89, 65), (8, 113), (77, 116), (72, 87), (62, 74), (27, 116), (45, 116), (44, 116), (10, 58), (55, 113), (115, 56), (82, 74), (63, 74), (49, 74), (7, 74), (73, 58), (25, 116), (37, 113), (108, 74), (53, 74), (57, 58), (20, 74), (3, 58), (39, 113), (17, 74), (74, 74), (111, 74), (23, 74), (106, 65), (58, 67), (87, 65), (22, 74), (12, 56), (48, 74), (95, 58), (13, 74), (81, 58), (71, 116), (110, 74), (97, 74), (93, 67), (52, 74), (54, 74), (19, 74), (91, 87), (30, 74), (76, 113), (90, 68), (47, 74), (40, 58), (14, 74), (33, 74), (43, 113), (42, 74), (84, 116), (116, 116), (92, 116), (29, 74), (59, 56), (9, 74), (21, 116), (103, 74), (75, 113), (5, 68), (70, 65), (99, 116), (46, 74), (4, 74), (105, 113), (24, 116), (80, 74), (86, 67), (28, 67), (94, 87), (79, 116), (1, 113), (112, 56), (65, 87), (88, 87), (96, 74), (98, 9), (67, 58), (69, 74), (16, 74), (15, 116), (51, 58), (34, 67), (2, 67), (78, 74), (11, 74), (66, 58), (68, 65), (18, 116), (102, 116), (101, 58), (113, 87), (107, 74), (104, 74), (64, 116), (60, 74), (36, 74), (114, 87), (41, 116), (31, 58), (35, 74), (109, 116), (61, 68), (83, 67), (32, 116), (50, 74)] current theta: 0.335246821826 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:02 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 10008 rows and 10009 columns Presolve time: 0.08s Presolved: 3799 rows, 3914 columns, 11276 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3914 integer (3914 binary) Root relaxation: objective 0.000000e+00, 1039 iterations, 0.03 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 (2005 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [4, 24, 53, 58, 60, 64, 75, 76, 87, 89, 97, 110] edges [(53, 53), (33, 53), (8, 87), (93, 60), (20, 60), (113, 75), (22, 4), (71, 75), (56, 58), (61, 24), (27, 60), (23, 76), (72, 89), (78, 60), (12, 110), (87, 75), (10, 58), (44, 60), (52, 58), (17, 60), (92, 75), (62, 60), (95, 60), (103, 58), (68, 75), (28, 60), (112, 76), (36, 58), (77, 75), (18, 60), (55, 87), (63, 60), (80, 60), (47, 4), (37, 87), (39, 87), (64, 64), (83, 58), (48, 60), (99, 60), (105, 60), (3, 76), (110, 53), (76, 76), (42, 76), (49, 76), (109, 75), (91, 87), (107, 58), (14, 58), (1, 89), (57, 60), (114, 89), (79, 24), (0, 75), (45, 60), (40, 60), (100, 76), (73, 76), (2, 24), (24, 24), (74, 58), (75, 75), (94, 87), (106, 89), (81, 60), (86, 24), (58, 58), (30, 60), (54, 76), (4, 58), (65, 75), (69, 76), (116, 24), (9, 24), (70, 89), (82, 60), (88, 87), (97, 76), (66, 60), (111, 60), (67, 58), (96, 58), (90, 76), (13, 64), (26, 53), (51, 58), (16, 60), (59, 89), (29, 53), (101, 76), (21, 64), (34, 60), (15, 75), (104, 110), (35, 58), (89, 89), (85, 75), (6, 64), (43, 87), (98, 97), (102, 60), (11, 76), (5, 75), (50, 76), (108, 24), (84, 64), (25, 75), (41, 60), (46, 24), (7, 110), (32, 4), (31, 58), (19, 60), (60, 58), (38, 75), (115, 89)] current theta: 0.167623410913 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12456 rows and 12502 columns Presolve time: 0.02s Presolved: 1351 rows, 1421 columns, 3891 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1421 integer (1420 binary) Root relaxation: cutoff, 1381 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 (1381 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.251435116369 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 11360 rows and 11366 columns Presolve time: 0.04s Presolved: 2447 rows, 2557 columns, 7215 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2557 integer (2557 binary) Root relaxation: objective 0.000000e+00, 1309 iterations, 0.03 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 (2287 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 34, 60, 63, 66, 68, 71, 74, 88, 110, 113, 115] edges [(90, 115), (75, 88), (23, 115), (59, 115), (39, 88), (25, 71), (29, 110), (9, 34), (2, 34), (87, 113), (100, 115), (1, 63), (78, 63), (68, 113), (111, 34), (0, 71), (56, 60), (89, 115), (12, 110), (20, 115), (106, 115), (27, 63), (116, 9), (17, 60), (112, 115), (55, 113), (62, 60), (71, 71), (54, 115), (18, 63), (8, 88), (98, 63), (80, 60), (44, 63), (105, 63), (37, 88), (63, 63), (28, 63), (97, 88), (92, 71), (47, 63), (32, 71), (85, 113), (46, 9), (51, 66), (43, 88), (15, 71), (99, 63), (3, 63), (38, 71), (86, 34), (5, 88), (22, 63), (48, 63), (4, 60), (45, 34), (65, 113), (81, 66), (13, 63), (6, 71), (49, 110), (108, 9), (72, 68), (74, 60), (107, 60), (76, 115), (57, 66), (21, 71), (58, 60), (64, 71), (83, 110), (73, 115), (34, 34), (40, 66), (115, 115), (82, 34), (93, 66), (11, 115), (79, 71), (30, 60), (24, 34), (14, 60), (26, 110), (69, 115), (110, 110), (114, 115), (31, 60), (60, 60), (77, 88), (66, 60), (88, 88), (70, 115), (33, 110), (94, 88), (16, 60), (41, 63), (95, 66), (104, 110), (96, 60), (101, 115), (61, 71), (84, 71), (50, 115), (102, 60), (67, 66), (35, 60), (10, 66), (7, 110), (19, 60), (52, 60), (113, 113), (42, 63), (103, 60), (53, 110), (109, 88), (36, 60), (91, 113)] current theta: 0.209529263641 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 11956 rows and 11971 columns Presolve time: 0.03s Presolved: 1851 rows, 1952 columns, 5420 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1952 integer (1952 binary) Root relaxation: objective 0.000000e+00, 1450 iterations, 0.03 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 (1450 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [38, 46, 49, 66, 75, 83, 105, 107, 111, 114, 115, 116] edges [(66, 66), (8, 114), (90, 115), (23, 115), (59, 115), (25, 38), (113, 75), (72, 114), (32, 105), (39, 114), (64, 38), (24, 46), (37, 75), (69, 49), (100, 115), (18, 111), (60, 107), (17, 107), (36, 107), (102, 111), (53, 49), (89, 115), (106, 115), (91, 75), (87, 75), (3, 115), (107, 107), (112, 115), (34, 46), (30, 66), (54, 115), (68, 75), (82, 46), (77, 75), (38, 38), (111, 46), (108, 46), (62, 107), (27, 111), (110, 49), (88, 75), (94, 114), (45, 111), (52, 107), (63, 107), (71, 38), (13, 111), (1, 115), (51, 66), (92, 38), (101, 105), (21, 38), (105, 105), (81, 66), (80, 107), (116, 116), (9, 46), (76, 114), (42, 115), (31, 66), (47, 105), (74, 107), (55, 75), (97, 114), (2, 111), (83, 83), (57, 66), (19, 107), (46, 46), (98, 105), (28, 66), (103, 111), (43, 114), (44, 105), (104, 49), (40, 66), (115, 115), (86, 111), (75, 75), (0, 38), (99, 105), (93, 66), (11, 115), (35, 66), (65, 75), (78, 107), (6, 38), (41, 111), (22, 107), (12, 49), (79, 46), (48, 111), (114, 115), (56, 66), (70, 114), (61, 38), (109, 38), (14, 107), (16, 111), (58, 107), (49, 49), (95, 66), (85, 75), (33, 49), (50, 115), (67, 66), (5, 75), (4, 107), (7, 83), (96, 107), (20, 105), (10, 66), (26, 49), (29, 49), (15, 38), (84, 46), (73, 49)] current theta: 0.188576337277 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12214 rows and 12243 columns Presolve time: 0.03s Presolved: 1593 rows, 1680 columns, 4634 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1680 integer (1679 binary) Root relaxation: cutoff, 1353 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 (1353 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.199052800459 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12096 rows and 12120 columns Presolve time: 0.03s Presolved: 1711 rows, 1803 columns, 4991 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1803 integer (1803 binary) Root relaxation: objective 0.000000e+00, 1644 iterations, 0.03 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 (1644 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [26, 38, 46, 47, 51, 60, 69, 85, 109, 111, 114, 116] edges [(25, 38), (45, 46), (72, 114), (0, 109), (85, 85), (64, 109), (95, 51), (14, 47), (24, 46), (68, 85), (56, 60), (12, 69), (4, 47), (32, 109), (17, 60), (83, 26), (59, 114), (34, 46), (62, 60), (55, 85), (28, 60), (88, 109), (82, 46), (109, 109), (38, 38), (50, 69), (40, 51), (73, 69), (111, 46), (18, 60), (91, 85), (108, 46), (26, 26), (7, 69), (27, 111), (101, 47), (94, 114), (100, 69), (106, 114), (48, 60), (93, 51), (74, 51), (89, 114), (23, 114), (71, 38), (69, 69), (33, 26), (13, 111), (110, 69), (75, 85), (67, 51), (98, 109), (92, 38), (21, 38), (15, 109), (51, 51), (22, 60), (116, 116), (9, 46), (114, 114), (35, 51), (90, 69), (80, 51), (37, 85), (1, 47), (78, 47), (107, 60), (97, 114), (53, 26), (42, 47), (20, 47), (8, 85), (46, 46), (58, 60), (43, 114), (31, 51), (86, 111), (2, 46), (30, 60), (115, 114), (81, 51), (11, 114), (49, 69), (6, 38), (41, 111), (79, 46), (70, 114), (60, 60), (61, 38), (66, 60), (76, 69), (47, 47), (65, 85), (54, 47), (29, 26), (16, 111), (87, 85), (104, 69), (96, 60), (44, 47), (105, 47), (77, 85), (63, 47), (102, 60), (10, 51), (19, 60), (52, 60), (57, 51), (113, 85), (5, 85), (39, 85), (112, 114), (103, 60), (99, 47), (84, 46), (3, 47), (36, 60)] current theta: 0.193814568868 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12158 rows and 12183 columns Presolve time: 0.03s Presolved: 1649 rows, 1740 columns, 4806 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1740 integer (1739 binary) Root relaxation: cutoff, 1580 iterations, 0.03 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 (1580 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.196433684663 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12126 rows and 12151 columns Presolve time: 0.03s Presolved: 1681 rows, 1772 columns, 4902 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1772 integer (1771 binary) Root relaxation: cutoff, 1669 iterations, 0.03 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 (1669 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.197743242561 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12114 rows and 12139 columns Presolve time: 0.03s Presolved: 1693 rows, 1784 columns, 4938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1784 integer (1783 binary) Root relaxation: cutoff, 1729 iterations, 0.03 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 (1729 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.19839802151 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:03 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12106 rows and 12130 columns Presolve time: 0.03s Presolved: 1701 rows, 1793 columns, 4961 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1793 integer (1793 binary) Root relaxation: cutoff, 131 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 (131 simplex iterations) in 0.03 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, 38, 46, 47, 51, 60, 69, 85, 109, 111, 114, 116] edges [(25, 38), (45, 46), (72, 114), (0, 109), (85, 85), (64, 109), (95, 51), (14, 47), (24, 46), (68, 85), (56, 60), (12, 69), (4, 47), (32, 109), (17, 60), (83, 26), (59, 114), (34, 46), (62, 60), (55, 85), (28, 60), (88, 109), (82, 46), (109, 109), (38, 38), (50, 69), (40, 51), (73, 69), (111, 46), (18, 60), (91, 85), (108, 46), (26, 26), (7, 69), (27, 111), (101, 47), (94, 114), (100, 69), (106, 114), (48, 60), (93, 51), (74, 51), (89, 114), (23, 114), (71, 38), (69, 69), (33, 26), (13, 111), (110, 69), (75, 85), (67, 51), (98, 109), (92, 38), (21, 38), (15, 109), (51, 51), (22, 60), (116, 116), (9, 46), (114, 114), (35, 51), (90, 69), (80, 51), (37, 85), (1, 47), (78, 47), (107, 60), (97, 114), (53, 26), (42, 47), (20, 47), (8, 85), (46, 46), (58, 60), (43, 114), (31, 51), (86, 111), (2, 46), (30, 60), (115, 114), (81, 51), (11, 114), (49, 69), (6, 38), (41, 111), (79, 46), (70, 114), (60, 60), (61, 38), (66, 60), (76, 69), (47, 47), (65, 85), (54, 47), (29, 26), (16, 111), (87, 85), (104, 69), (96, 60), (44, 47), (105, 47), (77, 85), (63, 47), (102, 60), (10, 51), (19, 60), (52, 60), (57, 51), (113, 85), (5, 85), (39, 85), (112, 114), (103, 60), (99, 47), (84, 46), (3, 47), (36, 60)] current theta: 0.198070632036 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:04 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12106 rows and 12130 columns Presolve time: 0.03s Presolved: 1701 rows, 1793 columns, 4961 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1793 integer (1793 binary) Root relaxation: cutoff, 131 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 (131 simplex iterations) in 0.03 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, 38, 46, 47, 51, 60, 69, 85, 109, 111, 114, 116] edges [(25, 38), (45, 46), (72, 114), (0, 109), (85, 85), (64, 109), (95, 51), (14, 47), (24, 46), (68, 85), (56, 60), (12, 69), (4, 47), (32, 109), (17, 60), (83, 26), (59, 114), (34, 46), (62, 60), (55, 85), (28, 60), (88, 109), (82, 46), (109, 109), (38, 38), (50, 69), (40, 51), (73, 69), (111, 46), (18, 60), (91, 85), (108, 46), (26, 26), (7, 69), (27, 111), (101, 47), (94, 114), (100, 69), (106, 114), (48, 60), (93, 51), (74, 51), (89, 114), (23, 114), (71, 38), (69, 69), (33, 26), (13, 111), (110, 69), (75, 85), (67, 51), (98, 109), (92, 38), (21, 38), (15, 109), (51, 51), (22, 60), (116, 116), (9, 46), (114, 114), (35, 51), (90, 69), (80, 51), (37, 85), (1, 47), (78, 47), (107, 60), (97, 114), (53, 26), (42, 47), (20, 47), (8, 85), (46, 46), (58, 60), (43, 114), (31, 51), (86, 111), (2, 46), (30, 60), (115, 114), (81, 51), (11, 114), (49, 69), (6, 38), (41, 111), (79, 46), (70, 114), (60, 60), (61, 38), (66, 60), (76, 69), (47, 47), (65, 85), (54, 47), (29, 26), (16, 111), (87, 85), (104, 69), (96, 60), (44, 47), (105, 47), (77, 85), (63, 47), (102, 60), (10, 51), (19, 60), (52, 60), (57, 51), (113, 85), (5, 85), (39, 85), (112, 114), (103, 60), (99, 47), (84, 46), (3, 47), (36, 60)] current theta: 0.197906937298 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:04 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12108 rows and 12132 columns Presolve time: 0.03s Presolved: 1699 rows, 1791 columns, 4955 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1791 integer (1791 binary) Root relaxation: cutoff, 131 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 (131 simplex iterations) in 0.03 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, 38, 46, 47, 51, 60, 69, 85, 109, 111, 114, 116] edges [(25, 38), (45, 46), (72, 114), (0, 109), (85, 85), (64, 109), (95, 51), (14, 47), (24, 46), (68, 85), (56, 60), (12, 69), (4, 47), (32, 109), (17, 60), (83, 26), (59, 114), (34, 46), (62, 60), (55, 85), (28, 60), (88, 109), (82, 46), (109, 109), (38, 38), (50, 69), (40, 51), (73, 69), (111, 46), (18, 60), (91, 85), (108, 46), (26, 26), (7, 69), (27, 111), (101, 47), (94, 114), (100, 69), (106, 114), (48, 60), (93, 51), (74, 51), (89, 114), (23, 114), (71, 38), (69, 69), (33, 26), (13, 111), (110, 69), (75, 85), (67, 51), (98, 109), (92, 38), (21, 38), (15, 109), (51, 51), (22, 60), (116, 116), (9, 46), (114, 114), (35, 51), (90, 69), (80, 51), (37, 85), (1, 47), (78, 47), (107, 60), (97, 114), (53, 26), (42, 47), (20, 47), (8, 85), (46, 46), (58, 60), (43, 114), (31, 51), (86, 111), (2, 46), (30, 60), (115, 114), (81, 51), (11, 114), (49, 69), (6, 38), (41, 111), (79, 46), (70, 114), (60, 60), (61, 38), (66, 60), (76, 69), (47, 47), (65, 85), (54, 47), (29, 26), (16, 111), (87, 85), (104, 69), (96, 60), (44, 47), (105, 47), (77, 85), (63, 47), (102, 60), (10, 51), (19, 60), (52, 60), (57, 51), (113, 85), (5, 85), (39, 85), (112, 114), (103, 60), (99, 47), (84, 46), (3, 47), (36, 60)] current theta: 0.19782508993 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:06:04 2014 Optimize a model with 13807 rows, 13923 columns and 41301 nonzeros Presolve removed 12114 rows and 12139 columns Presolve time: 0.03s Presolved: 1693 rows, 1784 columns, 4938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1784 integer (1783 binary) Root relaxation: cutoff, 1729 iterations, 0.03 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 (1729 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -