current theta: 0.693358754973 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:02 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 2660 rows and 2660 columns Presolve time: 0.15s Presolved: 6271 rows, 6364 columns, 18716 nonzeros Variable types: 0 continuous, 6364 integer (6364 binary) Root relaxation: objective 0.000000e+00, 774 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 (1673 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 [5, 16, 19, 30, 40, 49, 55, 64, 66, 90] edges [(14, 90), (15, 30), (66, 66), (45, 64), (89, 90), (19, 90), (75, 40), (16, 66), (8, 40), (50, 16), (42, 30), (49, 40), (55, 90), (6, 55), (71, 40), (41, 90), (72, 90), (90, 55), (52, 30), (58, 90), (47, 66), (2, 5), (92, 40), (11, 90), (22, 30), (51, 90), (39, 90), (61, 19), (84, 55), (60, 40), (83, 30), (40, 90), (69, 30), (34, 40), (53, 30), (27, 40), (24, 19), (80, 49), (79, 30), (1, 90), (43, 90), (29, 90), (4, 90), (12, 16), (33, 30), (86, 5), (70, 49), (5, 40), (85, 16), (7, 16), (87, 40), (64, 40), (25, 90), (56, 90), (62, 16), (3, 30), (93, 16), (76, 30), (21, 90), (82, 90), (63, 90), (46, 16), (36, 66), (17, 66), (54, 40), (77, 90), (26, 66), (59, 90), (44, 16), (10, 19), (74, 90), (28, 40), (0, 90), (32, 55), (18, 90), (31, 90), (48, 90), (81, 19), (35, 30), (91, 40), (78, 16), (38, 40), (88, 64), (13, 16), (73, 40), (67, 66), (30, 90), (57, 16), (68, 16), (23, 90), (9, 90), (20, 30), (65, 40), (37, 90)] current theta: 0.346679377486 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 6480 rows and 6482 columns Presolve time: 0.04s Presolved: 2451 rows, 2542 columns, 7254 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2542 integer (2542 binary) Root relaxation: objective 0.000000e+00, 852 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 (1584 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [4, 42, 59, 64, 66, 69, 71, 86, 87, 89] edges [(66, 66), (37, 89), (46, 86), (44, 64), (60, 69), (11, 64), (52, 71), (53, 64), (16, 66), (8, 89), (80, 71), (4, 86), (65, 64), (33, 89), (75, 42), (74, 64), (72, 89), (3, 71), (39, 89), (63, 87), (79, 69), (71, 71), (83, 87), (23, 42), (35, 87), (2, 89), (87, 69), (69, 89), (73, 69), (6, 42), (43, 64), (29, 64), (42, 64), (27, 87), (58, 89), (86, 86), (48, 59), (51, 64), (50, 64), (92, 64), (82, 42), (30, 71), (77, 69), (90, 71), (7, 64), (56, 86), (28, 59), (14, 86), (15, 64), (41, 64), (70, 64), (59, 59), (81, 69), (36, 64), (54, 42), (49, 71), (47, 86), (57, 64), (93, 66), (64, 42), (85, 64), (26, 66), (40, 69), (32, 42), (20, 69), (17, 64), (13, 64), (12, 64), (55, 64), (62, 66), (9, 86), (25, 64), (10, 89), (38, 86), (67, 64), (31, 69), (34, 64), (89, 89), (24, 86), (0, 86), (76, 64), (61, 71), (68, 66), (19, 86), (88, 64), (21, 42), (1, 86), (18, 42), (22, 89), (84, 64), (5, 86), (45, 66), (91, 42), (78, 59)] current theta: 0.173339688743 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 8014 rows and 8071 columns Presolve time: 0.01s Presolved: 917 rows, 953 columns, 2597 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 953 integer (953 binary) Root relaxation: cutoff, 1041 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 (1041 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: 0.260009533115 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7284 rows and 7299 columns Presolve time: 0.02s Presolved: 1647 rows, 1725 columns, 4829 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1725 integer (1725 binary) Root relaxation: objective 0.000000e+00, 1084 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 (1844 simplex iterations) in 0.05 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, 21, 23, 58, 63, 65, 69, 78, 92, 93] edges [(80, 69), (53, 65), (60, 69), (65, 65), (52, 63), (93, 93), (71, 69), (86, 14), (84, 78), (28, 78), (25, 78), (82, 21), (14, 14), (87, 69), (24, 14), (66, 93), (4, 14), (79, 63), (91, 92), (63, 63), (16, 93), (59, 78), (6, 23), (70, 78), (51, 92), (11, 23), (90, 92), (38, 65), (73, 63), (9, 14), (64, 65), (2, 69), (69, 69), (85, 92), (68, 93), (3, 63), (7, 65), (46, 14), (37, 58), (77, 69), (83, 63), (40, 58), (0, 14), (92, 92), (17, 78), (26, 93), (43, 92), (35, 65), (81, 69), (8, 58), (72, 69), (48, 23), (49, 63), (30, 63), (22, 65), (32, 23), (27, 69), (47, 14), (58, 58), (44, 78), (18, 23), (41, 23), (56, 65), (23, 92), (1, 14), (13, 93), (74, 93), (67, 23), (39, 58), (55, 65), (62, 93), (29, 78), (36, 78), (54, 23), (15, 63), (12, 65), (31, 69), (50, 78), (75, 65), (21, 23), (34, 65), (19, 58), (20, 65), (5, 58), (76, 65), (88, 92), (89, 69), (42, 21), (61, 69), (10, 69), (57, 23), (45, 93), (78, 78), (33, 69)] current theta: 0.216674610929 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7676 rows and 7711 columns Presolve time: 0.02s Presolved: 1255 rows, 1313 columns, 3633 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1313 integer (1313 binary) Root relaxation: cutoff, 1193 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 (1193 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: 0.238342072022 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7494 rows and 7519 columns Presolve time: 0.02s Presolved: 1437 rows, 1505 columns, 4189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1505 integer (1505 binary) Root relaxation: objective 0.000000e+00, 1173 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 (1926 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 [31, 41, 47, 48, 58, 70, 78, 81, 90, 93] edges [(77, 81), (18, 41), (68, 78), (54, 90), (6, 48), (93, 78), (34, 90), (57, 48), (76, 90), (14, 47), (27, 81), (75, 90), (51, 41), (24, 47), (84, 78), (4, 47), (82, 48), (63, 31), (55, 90), (28, 78), (25, 78), (74, 78), (22, 81), (62, 78), (81, 81), (66, 93), (13, 78), (83, 31), (80, 81), (65, 90), (16, 93), (59, 78), (11, 48), (86, 47), (41, 41), (70, 78), (67, 78), (88, 41), (0, 47), (31, 81), (46, 93), (90, 90), (37, 58), (15, 90), (85, 70), (20, 81), (9, 47), (43, 70), (40, 58), (48, 48), (45, 78), (10, 81), (17, 78), (73, 81), (1, 47), (33, 58), (8, 58), (3, 31), (49, 90), (58, 58), (61, 81), (44, 78), (7, 90), (56, 47), (71, 81), (52, 81), (64, 90), (32, 41), (2, 81), (92, 90), (39, 58), (60, 81), (42, 41), (47, 47), (30, 31), (29, 78), (36, 78), (91, 90), (50, 78), (72, 81), (53, 90), (26, 78), (19, 58), (79, 81), (5, 58), (89, 81), (12, 47), (21, 41), (69, 81), (87, 81), (78, 78), (38, 47), (35, 81), (23, 48)] current theta: 0.227508341475 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7574 rows and 7603 columns Presolve time: 0.02s Presolved: 1357 rows, 1421 columns, 3945 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1421 integer (1421 binary) Root relaxation: objective 1.065814e-14, 1095 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 (1921 simplex iterations) in 0.05 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, 28, 35, 40, 51, 78, 85, 87] edges [(22, 35), (13, 85), (68, 78), (23, 51), (33, 40), (26, 16), (72, 87), (53, 51), (85, 85), (8, 40), (46, 28), (37, 40), (1, 4), (15, 35), (64, 85), (35, 35), (12, 85), (16, 16), (82, 23), (65, 35), (84, 78), (9, 4), (21, 51), (58, 40), (28, 78), (25, 78), (63, 87), (83, 87), (92, 51), (39, 4), (62, 78), (76, 51), (5, 4), (91, 85), (47, 4), (27, 87), (59, 78), (34, 85), (6, 23), (70, 78), (49, 35), (31, 87), (67, 78), (44, 85), (66, 16), (11, 51), (55, 35), (41, 51), (20, 87), (56, 40), (2, 87), (61, 87), (74, 85), (51, 51), (86, 4), (45, 78), (80, 87), (17, 78), (54, 85), (3, 87), (48, 23), (73, 87), (71, 87), (93, 16), (52, 87), (32, 51), (18, 51), (50, 85), (81, 87), (60, 87), (7, 85), (89, 40), (0, 4), (88, 51), (69, 87), (90, 35), (29, 78), (77, 87), (30, 87), (43, 85), (75, 51), (10, 40), (79, 87), (42, 51), (38, 40), (87, 87), (24, 4), (36, 85), (4, 4), (19, 4), (57, 23), (78, 78), (14, 4), (40, 40)] current theta: 0.222091476202 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7630 rows and 7663 columns Presolve time: 0.02s Presolved: 1301 rows, 1361 columns, 3773 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1361 integer (1361 binary) Root relaxation: objective 3.552714e-14, 1464 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 (2413 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 [1, 11, 34, 37, 51, 61, 63, 66, 68, 78] edges [(66, 66), (56, 1), (23, 11), (68, 78), (87, 63), (93, 78), (52, 63), (85, 34), (16, 66), (7, 34), (61, 61), (4, 1), (38, 34), (18, 11), (10, 61), (72, 61), (84, 78), (20, 63), (28, 78), (27, 63), (25, 78), (65, 34), (50, 68), (92, 51), (62, 78), (76, 51), (69, 61), (79, 63), (13, 78), (63, 63), (59, 78), (70, 78), (12, 34), (67, 78), (2, 61), (11, 51), (39, 37), (73, 63), (80, 63), (5, 1), (86, 1), (41, 51), (47, 1), (3, 63), (33, 37), (83, 63), (6, 11), (71, 63), (51, 51), (45, 78), (54, 51), (46, 68), (22, 61), (57, 11), (89, 37), (53, 34), (17, 78), (82, 11), (64, 51), (81, 61), (49, 63), (0, 1), (37, 37), (30, 63), (34, 34), (32, 51), (44, 78), (31, 61), (21, 11), (43, 11), (90, 34), (26, 66), (88, 51), (48, 11), (58, 37), (19, 1), (91, 51), (29, 78), (24, 1), (36, 78), (75, 51), (15, 63), (42, 51), (60, 63), (14, 1), (35, 61), (40, 37), (1, 1), (55, 51), (78, 78), (77, 63), (9, 1), (8, 37), (74, 68)] current theta: 0.219383043566 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7656 rows and 7690 columns Presolve time: 0.02s Presolved: 1275 rows, 1334 columns, 3694 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1334 integer (1334 binary) Root relaxation: objective 1.421085e-14, 1249 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 (2116 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 [1, 11, 16, 17, 37, 51, 52, 63, 65, 68] edges [(56, 1), (62, 68), (53, 65), (23, 51), (60, 52), (87, 63), (65, 65), (26, 16), (4, 1), (16, 16), (29, 17), (27, 63), (50, 68), (92, 51), (93, 68), (84, 17), (79, 63), (63, 63), (66, 16), (11, 51), (43, 17), (39, 37), (38, 65), (73, 63), (80, 63), (5, 1), (28, 68), (86, 1), (41, 51), (61, 52), (47, 1), (3, 63), (7, 65), (33, 37), (17, 17), (83, 63), (6, 11), (71, 63), (51, 51), (46, 68), (67, 17), (57, 11), (89, 37), (85, 17), (82, 11), (35, 65), (75, 17), (2, 52), (49, 63), (0, 1), (37, 37), (59, 17), (30, 63), (13, 68), (32, 51), (64, 17), (25, 17), (18, 51), (68, 68), (90, 65), (52, 52), (70, 17), (21, 11), (88, 51), (36, 17), (48, 11), (54, 17), (78, 68), (20, 52), (58, 37), (19, 1), (55, 65), (91, 51), (22, 52), (31, 63), (24, 1), (44, 17), (10, 52), (72, 52), (15, 63), (42, 51), (12, 65), (45, 68), (14, 1), (34, 65), (40, 37), (76, 65), (1, 1), (81, 52), (77, 63), (9, 1), (8, 37), (74, 68), (69, 52)] current theta: 0.218028827247 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7664 rows and 7698 columns Presolve time: 0.02s Presolved: 1267 rows, 1326 columns, 3670 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1326 integer (1326 binary) Root relaxation: objective 0.000000e+00, 1413 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 (2384 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 [6, 9, 10, 39, 42, 43, 63, 65, 66, 68] edges [(66, 66), (5, 39), (62, 68), (53, 65), (87, 63), (65, 65), (16, 66), (24, 9), (69, 10), (75, 43), (86, 9), (19, 39), (48, 6), (29, 68), (20, 63), (81, 10), (14, 9), (27, 63), (23, 43), (84, 43), (50, 68), (40, 10), (93, 68), (51, 42), (9, 9), (79, 63), (41, 42), (56, 9), (67, 43), (63, 63), (21, 6), (85, 43), (0, 9), (92, 43), (4, 9), (80, 63), (28, 68), (88, 42), (3, 63), (7, 65), (39, 39), (83, 63), (72, 10), (61, 10), (71, 63), (17, 43), (46, 68), (22, 10), (37, 39), (43, 43), (35, 65), (10, 10), (49, 63), (1, 9), (30, 63), (13, 68), (54, 43), (42, 42), (82, 6), (68, 68), (90, 65), (73, 10), (57, 43), (58, 39), (47, 9), (64, 43), (26, 66), (32, 42), (78, 68), (52, 10), (38, 9), (70, 43), (55, 65), (31, 63), (89, 10), (33, 10), (15, 63), (36, 43), (12, 65), (60, 63), (6, 6), (45, 68), (34, 65), (91, 43), (76, 65), (18, 42), (2, 10), (25, 68), (11, 6), (77, 63), (59, 43), (74, 68), (8, 10), (44, 43)] current theta: 0.217351719088 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7670 rows and 7705 columns Presolve time: 0.02s Presolved: 1261 rows, 1319 columns, 3651 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1319 integer (1319 binary) Root relaxation: cutoff, 36 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 (36 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 [6, 9, 10, 39, 42, 43, 63, 65, 66, 68] edges [(66, 66), (5, 39), (62, 68), (53, 65), (87, 63), (65, 65), (16, 66), (24, 9), (69, 10), (75, 43), (86, 9), (19, 39), (48, 6), (29, 68), (20, 63), (81, 10), (14, 9), (27, 63), (23, 43), (84, 43), (50, 68), (40, 10), (93, 68), (51, 42), (9, 9), (79, 63), (41, 42), (56, 9), (67, 43), (63, 63), (21, 6), (85, 43), (0, 9), (92, 43), (4, 9), (80, 63), (28, 68), (88, 42), (3, 63), (7, 65), (39, 39), (83, 63), (72, 10), (61, 10), (71, 63), (17, 43), (46, 68), (22, 10), (37, 39), (43, 43), (35, 65), (10, 10), (49, 63), (1, 9), (30, 63), (13, 68), (54, 43), (42, 42), (82, 6), (68, 68), (90, 65), (73, 10), (57, 43), (58, 39), (47, 9), (64, 43), (26, 66), (32, 42), (78, 68), (52, 10), (38, 9), (70, 43), (55, 65), (31, 63), (89, 10), (33, 10), (15, 63), (36, 43), (12, 65), (60, 63), (6, 6), (45, 68), (34, 65), (91, 43), (76, 65), (18, 42), (2, 10), (25, 68), (11, 6), (77, 63), (59, 43), (74, 68), (8, 10), (44, 43)] current theta: 0.217013165009 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:03 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7674 rows and 7709 columns Presolve time: 0.02s Presolved: 1257 rows, 1315 columns, 3639 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1315 integer (1315 binary) Root relaxation: cutoff, 1256 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 (1256 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: 0.217182442048 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:04 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7672 rows and 7707 columns Presolve time: 0.02s Presolved: 1259 rows, 1317 columns, 3645 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1317 integer (1317 binary) Root relaxation: cutoff, 36 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 (36 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 [6, 9, 10, 39, 42, 43, 63, 65, 66, 68] edges [(66, 66), (5, 39), (62, 68), (53, 65), (87, 63), (65, 65), (16, 66), (24, 9), (69, 10), (75, 43), (86, 9), (19, 39), (48, 6), (29, 68), (20, 63), (81, 10), (14, 9), (27, 63), (23, 43), (84, 43), (50, 68), (40, 10), (93, 68), (51, 42), (9, 9), (79, 63), (41, 42), (56, 9), (67, 43), (63, 63), (21, 6), (85, 43), (0, 9), (92, 43), (4, 9), (80, 63), (28, 68), (88, 42), (3, 63), (7, 65), (39, 39), (83, 63), (72, 10), (61, 10), (71, 63), (17, 43), (46, 68), (22, 10), (37, 39), (43, 43), (35, 65), (10, 10), (49, 63), (1, 9), (30, 63), (13, 68), (54, 43), (42, 42), (82, 6), (68, 68), (90, 65), (73, 10), (57, 43), (58, 39), (47, 9), (64, 43), (26, 66), (32, 42), (78, 68), (52, 10), (38, 9), (70, 43), (55, 65), (31, 63), (89, 10), (33, 10), (15, 63), (36, 43), (12, 65), (60, 63), (6, 6), (45, 68), (34, 65), (91, 43), (76, 65), (18, 42), (2, 10), (25, 68), (11, 6), (77, 63), (59, 43), (74, 68), (8, 10), (44, 43)] current theta: 0.217097803528 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:12:04 2014 Optimize a model with 8931 rows, 9024 columns and 26696 nonzeros Presolve removed 7672 rows and 7707 columns Presolve time: 0.02s Presolved: 1259 rows, 1317 columns, 3645 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1317 integer (1317 binary) Root relaxation: cutoff, 36 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 (36 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 [6, 9, 10, 39, 42, 43, 63, 65, 66, 68] edges [(66, 66), (5, 39), (62, 68), (53, 65), (87, 63), (65, 65), (16, 66), (24, 9), (69, 10), (75, 43), (86, 9), (19, 39), (48, 6), (29, 68), (20, 63), (81, 10), (14, 9), (27, 63), (23, 43), (84, 43), (50, 68), (40, 10), (93, 68), (51, 42), (9, 9), (79, 63), (41, 42), (56, 9), (67, 43), (63, 63), (21, 6), (85, 43), (0, 9), (92, 43), (4, 9), (80, 63), (28, 68), (88, 42), (3, 63), (7, 65), (39, 39), (83, 63), (72, 10), (61, 10), (71, 63), (17, 43), (46, 68), (22, 10), (37, 39), (43, 43), (35, 65), (10, 10), (49, 63), (1, 9), (30, 63), (13, 68), (54, 43), (42, 42), (82, 6), (68, 68), (90, 65), (73, 10), (57, 43), (58, 39), (47, 9), (64, 43), (26, 66), (32, 42), (78, 68), (52, 10), (38, 9), (70, 43), (55, 65), (31, 63), (89, 10), (33, 10), (15, 63), (36, 43), (12, 65), (60, 63), (6, 6), (45, 68), (34, 65), (91, 43), (76, 65), (18, 42), (2, 10), (25, 68), (11, 6), (77, 63), (59, 43), (74, 68), (8, 10), (44, 43)]