current theta: 0.656454777851 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:11 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 3472 rows and 3472 columns Presolve time: 0.14s Presolved: 5459 rows, 5552 columns, 16280 nonzeros Variable types: 0 continuous, 5552 integer (5552 binary) Root relaxation: objective 0.000000e+00, 724 iterations, 0.02 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 (1380 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 [1, 23, 24, 47, 54, 56, 66, 74, 87, 89] edges [(85, 87), (78, 56), (30, 89), (65, 66), (6, 87), (74, 66), (1, 56), (31, 66), (32, 24), (52, 56), (61, 24), (91, 66), (92, 74), (86, 54), (64, 87), (19, 66), (12, 87), (26, 87), (83, 87), (44, 89), (35, 87), (48, 56), (29, 66), (77, 56), (70, 56), (10, 56), (9, 66), (34, 87), (76, 87), (28, 1), (63, 24), (46, 89), (22, 56), (8, 24), (20, 87), (5, 89), (66, 89), (47, 1), (17, 54), (40, 56), (67, 87), (2, 56), (81, 66), (56, 87), (14, 74), (42, 74), (37, 56), (39, 24), (79, 24), (58, 24), (69, 24), (71, 56), (4, 56), (73, 87), (24, 24), (0, 1), (54, 54), (45, 74), (11, 87), (3, 89), (21, 89), (16, 87), (50, 1), (49, 89), (68, 54), (23, 56), (51, 56), (60, 24), (72, 74), (7, 87), (93, 87), (90, 24), (62, 66), (82, 87), (59, 89), (84, 89), (25, 56), (89, 89), (38, 87), (57, 74), (55, 66), (13, 89), (87, 87), (53, 89), (80, 66), (43, 56), (88, 66), (36, 87), (33, 54), (18, 87), (15, 87), (75, 54), (27, 56), (41, 87)] current theta: 0.328227388925 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:11 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 6794 rows and 6795 columns Presolve time: 0.03s Presolved: 2137 rows, 2229 columns, 6313 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2229 integer (2229 binary) Root relaxation: objective 0.000000e+00, 963 iterations, 0.02 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 (1912 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 [39, 54, 61, 64, 71, 74, 76, 91, 92, 93] edges [(67, 71), (44, 92), (47, 91), (45, 91), (52, 71), (54, 39), (37, 71), (26, 61), (86, 92), (27, 61), (19, 92), (61, 64), (58, 92), (17, 61), (3, 71), (73, 71), (78, 61), (71, 71), (64, 76), (15, 93), (11, 71), (72, 92), (33, 93), (53, 74), (60, 92), (1, 71), (16, 93), (89, 92), (5, 91), (74, 74), (90, 92), (85, 93), (21, 61), (30, 71), (79, 39), (7, 93), (63, 92), (8, 54), (50, 91), (29, 91), (69, 39), (38, 61), (28, 71), (93, 76), (51, 71), (92, 92), (22, 61), (87, 93), (65, 92), (13, 71), (43, 92), (4, 91), (25, 91), (41, 71), (82, 64), (77, 93), (36, 64), (31, 92), (75, 61), (81, 92), (91, 91), (80, 74), (84, 92), (57, 92), (34, 71), (23, 93), (14, 92), (68, 54), (66, 74), (62, 92), (32, 54), (18, 93), (12, 71), (35, 71), (40, 71), (59, 92), (20, 71), (70, 92), (24, 39), (48, 91), (42, 92), (6, 64), (46, 54), (49, 92), (10, 71), (39, 54), (76, 93), (88, 92), (9, 91), (56, 71), (83, 64), (55, 92), (2, 71), (0, 91)] current theta: 0.164113694463 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 8120 rows and 8194 columns Presolve time: 0.01s Presolved: 811 rows, 830 columns, 2262 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 830 integer (830 binary) Root relaxation: cutoff, 764 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 (764 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.246170541694 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7506 rows and 7513 columns Presolve time: 0.02s Presolved: 1425 rows, 1511 columns, 4171 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1511 integer (1511 binary) Root relaxation: objective 0.000000e+00, 826 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 (1419 simplex iterations) in 0.04 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 [13, 21, 68, 72, 73, 79, 86, 87, 91, 93] edges [(13, 13), (46, 86), (47, 91), (45, 91), (3, 13), (67, 73), (49, 86), (93, 93), (26, 73), (42, 68), (68, 86), (48, 72), (20, 73), (88, 72), (36, 93), (81, 72), (83, 87), (24, 68), (15, 93), (63, 86), (84, 72), (22, 86), (32, 68), (58, 68), (28, 73), (31, 72), (35, 13), (16, 93), (53, 72), (85, 93), (10, 73), (19, 72), (73, 73), (57, 91), (52, 73), (7, 93), (74, 72), (39, 86), (50, 91), (29, 91), (8, 68), (43, 21), (55, 72), (2, 73), (87, 93), (75, 86), (27, 21), (79, 79), (80, 72), (62, 91), (11, 13), (4, 91), (25, 91), (77, 93), (61, 79), (51, 73), (30, 73), (37, 73), (17, 21), (34, 73), (82, 93), (33, 79), (91, 91), (38, 93), (70, 91), (23, 93), (72, 72), (12, 13), (59, 91), (44, 72), (6, 93), (18, 93), (1, 13), (69, 86), (66, 72), (41, 73), (86, 68), (65, 72), (64, 93), (60, 72), (92, 86), (40, 73), (76, 93), (9, 91), (21, 21), (14, 72), (54, 68), (5, 73), (71, 73), (89, 72), (90, 86), (56, 73), (0, 91), (78, 79)] current theta: 0.205142118078 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7850 rows and 7885 columns Presolve time: 0.01s Presolved: 1081 rows, 1139 columns, 3111 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1139 integer (1139 binary) Root relaxation: objective 0.000000e+00, 934 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 (1592 simplex iterations) in 0.04 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, 24, 50, 52, 58, 60, 65, 67, 87, 89] edges [(85, 87), (3, 67), (89, 65), (6, 87), (55, 89), (44, 65), (19, 65), (21, 17), (0, 50), (37, 52), (11, 67), (42, 58), (32, 24), (66, 65), (34, 52), (72, 89), (1, 67), (50, 50), (74, 65), (64, 87), (73, 52), (62, 60), (83, 87), (79, 17), (68, 24), (76, 87), (22, 58), (40, 52), (43, 50), (71, 67), (14, 89), (8, 24), (65, 89), (61, 17), (69, 58), (70, 60), (30, 52), (27, 17), (54, 24), (41, 67), (17, 17), (25, 50), (57, 89), (63, 58), (84, 60), (28, 52), (49, 58), (9, 50), (39, 24), (5, 52), (75, 58), (90, 58), (51, 52), (24, 24), (35, 67), (48, 65), (58, 58), (59, 60), (92, 60), (52, 52), (13, 67), (16, 87), (81, 65), (33, 17), (86, 58), (60, 60), (26, 52), (7, 87), (4, 65), (93, 87), (77, 87), (88, 89), (91, 50), (10, 52), (23, 17), (2, 67), (82, 87), (56, 52), (38, 87), (67, 67), (80, 65), (87, 87), (53, 89), (45, 50), (12, 67), (46, 24), (78, 58), (29, 50), (47, 89), (20, 67), (36, 87), (18, 87), (31, 65), (15, 87)] current theta: 0.184627906271 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7962 rows and 8015 columns Presolve time: 0.01s Presolved: 969 rows, 1009 columns, 2757 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1009 integer (1009 binary) Root relaxation: cutoff, 928 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 (928 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.194885012174 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7898 rows and 7939 columns Presolve time: 0.01s Presolved: 1033 rows, 1085 columns, 2961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1085 integer (1085 binary) Root relaxation: objective 0.000000e+00, 994 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 (1619 simplex iterations) in 0.04 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 [12, 23, 39, 50, 52, 63, 65, 70, 87, 90] edges [(57, 50), (85, 87), (8, 39), (13, 12), (89, 65), (65, 65), (47, 70), (44, 65), (19, 65), (0, 50), (37, 52), (54, 39), (66, 65), (3, 12), (78, 63), (34, 52), (79, 23), (61, 23), (50, 50), (22, 39), (74, 65), (64, 87), (71, 12), (73, 52), (14, 50), (83, 87), (69, 90), (32, 39), (76, 87), (40, 52), (81, 90), (21, 63), (20, 12), (43, 50), (63, 63), (68, 39), (6, 23), (46, 39), (30, 52), (90, 90), (39, 39), (72, 65), (25, 50), (28, 52), (60, 90), (9, 50), (17, 23), (58, 63), (67, 12), (51, 52), (2, 52), (11, 12), (59, 70), (27, 23), (49, 63), (5, 50), (70, 70), (35, 52), (41, 52), (48, 65), (75, 63), (52, 52), (12, 12), (16, 87), (62, 50), (92, 90), (23, 23), (26, 52), (55, 65), (7, 87), (4, 65), (33, 23), (93, 87), (77, 87), (1, 12), (10, 52), (82, 87), (88, 90), (24, 39), (56, 52), (38, 87), (53, 90), (84, 90), (80, 65), (86, 90), (87, 87), (45, 50), (42, 90), (29, 50), (36, 87), (91, 70), (18, 87), (31, 65), (15, 87)] current theta: 0.189756459222 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7938 rows and 7986 columns Presolve time: 0.01s Presolved: 993 rows, 1038 columns, 2834 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1038 integer (1038 binary) Root relaxation: cutoff, 1037 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 (1037 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.192320735698 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7924 rows and 7971 columns Presolve time: 0.01s Presolved: 1007 rows, 1053 columns, 2877 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1053 integer (1053 binary) Root relaxation: objective 0.000000e+00, 1023 iterations, 0.02 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 (1023 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 [9, 10, 23, 31, 39, 57, 63, 67, 87, 90] edges [(28, 10), (85, 87), (3, 67), (8, 39), (72, 31), (11, 67), (54, 39), (62, 57), (78, 63), (43, 63), (79, 23), (61, 23), (1, 67), (22, 39), (35, 9), (64, 87), (30, 10), (34, 10), (83, 87), (69, 90), (32, 39), (40, 10), (89, 57), (9, 9), (76, 87), (70, 57), (29, 9), (81, 90), (21, 63), (48, 31), (63, 63), (68, 39), (6, 23), (0, 9), (57, 57), (46, 39), (56, 10), (71, 67), (74, 31), (25, 9), (45, 9), (51, 10), (47, 57), (90, 90), (39, 39), (41, 67), (44, 31), (59, 57), (60, 90), (17, 23), (80, 31), (58, 63), (10, 10), (14, 57), (27, 23), (49, 63), (75, 63), (5, 9), (13, 67), (16, 87), (73, 10), (55, 31), (26, 10), (4, 31), (65, 31), (92, 90), (23, 23), (52, 10), (7, 87), (33, 23), (93, 87), (77, 87), (2, 67), (82, 87), (88, 90), (19, 31), (24, 39), (38, 87), (53, 90), (37, 10), (84, 90), (67, 67), (66, 31), (86, 90), (87, 87), (12, 67), (31, 31), (42, 90), (20, 67), (36, 87), (18, 87), (50, 57), (91, 9), (15, 87)] current theta: 0.19103859746 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7930 rows and 7977 columns Presolve time: 0.01s Presolved: 1001 rows, 1047 columns, 2859 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1047 integer (1047 binary) Root relaxation: cutoff, 1009 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 (1009 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.191679666579 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7926 rows and 7973 columns Presolve time: 0.01s Presolved: 1005 rows, 1051 columns, 2871 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1051 integer (1051 binary) Root relaxation: cutoff, 48 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 (48 simplex iterations) in 0.02 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, 23, 31, 39, 57, 63, 67, 87, 90] edges [(28, 10), (85, 87), (3, 67), (8, 39), (72, 31), (11, 67), (54, 39), (62, 57), (78, 63), (43, 63), (79, 23), (61, 23), (1, 67), (22, 39), (35, 9), (64, 87), (30, 10), (34, 10), (83, 87), (69, 90), (32, 39), (40, 10), (89, 57), (9, 9), (76, 87), (70, 57), (29, 9), (81, 90), (21, 63), (48, 31), (63, 63), (68, 39), (6, 23), (0, 9), (57, 57), (46, 39), (56, 10), (71, 67), (74, 31), (25, 9), (45, 9), (51, 10), (47, 57), (90, 90), (39, 39), (41, 67), (44, 31), (59, 57), (60, 90), (17, 23), (80, 31), (58, 63), (10, 10), (14, 57), (27, 23), (49, 63), (75, 63), (5, 9), (13, 67), (16, 87), (73, 10), (55, 31), (26, 10), (4, 31), (65, 31), (92, 90), (23, 23), (52, 10), (7, 87), (33, 23), (93, 87), (77, 87), (2, 67), (82, 87), (88, 90), (19, 31), (24, 39), (38, 87), (53, 90), (37, 10), (84, 90), (67, 67), (66, 31), (86, 90), (87, 87), (12, 67), (31, 31), (42, 90), (20, 67), (36, 87), (18, 87), (50, 57), (91, 9), (15, 87)] current theta: 0.19135913202 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7930 rows and 7977 columns Presolve time: 0.01s Presolved: 1001 rows, 1047 columns, 2859 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1047 integer (1047 binary) Root relaxation: cutoff, 1009 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 (1009 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.1915193993 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7928 rows and 7975 columns Presolve time: 0.01s Presolved: 1003 rows, 1049 columns, 2865 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1049 integer (1049 binary) Root relaxation: cutoff, 48 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 (48 simplex iterations) in 0.02 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, 23, 31, 39, 57, 63, 67, 87, 90] edges [(28, 10), (85, 87), (3, 67), (8, 39), (72, 31), (11, 67), (54, 39), (62, 57), (78, 63), (43, 63), (79, 23), (61, 23), (1, 67), (22, 39), (35, 9), (64, 87), (30, 10), (34, 10), (83, 87), (69, 90), (32, 39), (40, 10), (89, 57), (9, 9), (76, 87), (70, 57), (29, 9), (81, 90), (21, 63), (48, 31), (63, 63), (68, 39), (6, 23), (0, 9), (57, 57), (46, 39), (56, 10), (71, 67), (74, 31), (25, 9), (45, 9), (51, 10), (47, 57), (90, 90), (39, 39), (41, 67), (44, 31), (59, 57), (60, 90), (17, 23), (80, 31), (58, 63), (10, 10), (14, 57), (27, 23), (49, 63), (75, 63), (5, 9), (13, 67), (16, 87), (73, 10), (55, 31), (26, 10), (4, 31), (65, 31), (92, 90), (23, 23), (52, 10), (7, 87), (33, 23), (93, 87), (77, 87), (2, 67), (82, 87), (88, 90), (19, 31), (24, 39), (38, 87), (53, 90), (37, 10), (84, 90), (67, 67), (66, 31), (86, 90), (87, 87), (12, 67), (31, 31), (42, 90), (20, 67), (36, 87), (18, 87), (50, 57), (91, 9), (15, 87)] current theta: 0.19143926566 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:11:12 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7928 rows and 7975 columns Presolve time: 0.01s Presolved: 1003 rows, 1049 columns, 2865 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1049 integer (1049 binary) Root relaxation: cutoff, 48 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 (48 simplex iterations) in 0.02 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, 23, 31, 39, 57, 63, 67, 87, 90] edges [(28, 10), (85, 87), (3, 67), (8, 39), (72, 31), (11, 67), (54, 39), (62, 57), (78, 63), (43, 63), (79, 23), (61, 23), (1, 67), (22, 39), (35, 9), (64, 87), (30, 10), (34, 10), (83, 87), (69, 90), (32, 39), (40, 10), (89, 57), (9, 9), (76, 87), (70, 57), (29, 9), (81, 90), (21, 63), (48, 31), (63, 63), (68, 39), (6, 23), (0, 9), (57, 57), (46, 39), (56, 10), (71, 67), (74, 31), (25, 9), (45, 9), (51, 10), (47, 57), (90, 90), (39, 39), (41, 67), (44, 31), (59, 57), (60, 90), (17, 23), (80, 31), (58, 63), (10, 10), (14, 57), (27, 23), (49, 63), (75, 63), (5, 9), (13, 67), (16, 87), (73, 10), (55, 31), (26, 10), (4, 31), (65, 31), (92, 90), (23, 23), (52, 10), (7, 87), (33, 23), (93, 87), (77, 87), (2, 67), (82, 87), (88, 90), (19, 31), (24, 39), (38, 87), (53, 90), (37, 10), (84, 90), (67, 67), (66, 31), (86, 90), (87, 87), (12, 67), (31, 31), (42, 90), (20, 67), (36, 87), (18, 87), (50, 57), (91, 9), (15, 87)]