current theta: 0.637306679211 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:55 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 3510 rows and 3510 columns Presolve time: 0.12s Presolved: 5047 rows, 5138 columns, 15046 nonzeros Variable types: 0 continuous, 5138 integer (5138 binary) Root relaxation: objective 0.000000e+00, 762 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 (1444 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 [3, 4, 21, 24, 33, 41, 46, 76, 85, 90] edges [(52, 90), (19, 90), (80, 90), (18, 85), (34, 90), (47, 90), (45, 90), (76, 90), (85, 85), (33, 90), (8, 90), (9, 4), (4, 3), (55, 90), (46, 90), (41, 90), (72, 90), (77, 76), (58, 90), (2, 90), (75, 3), (44, 90), (11, 90), (78, 3), (51, 90), (17, 85), (81, 90), (5, 3), (65, 90), (39, 85), (61, 90), (40, 90), (22, 85), (13, 3), (83, 76), (6, 41), (35, 90), (50, 90), (90, 90), (57, 90), (89, 3), (1, 90), (29, 90), (60, 90), (71, 90), (62, 90), (54, 85), (26, 90), (68, 90), (73, 4), (25, 90), (56, 90), (42, 85), (70, 90), (67, 90), (21, 90), (82, 90), (63, 90), (53, 3), (49, 90), (7, 90), (64, 90), (10, 90), (69, 4), (66, 3), (59, 90), (79, 85), (74, 90), (0, 90), (20, 90), (31, 90), (43, 85), (14, 3), (87, 85), (48, 90), (3, 4), (16, 24), (88, 90), (91, 90), (84, 90), (32, 85), (86, 90), (28, 90), (36, 85), (27, 90), (15, 85), (30, 3), (38, 85), (23, 90), (12, 4), (37, 90), (24, 90)] current theta: 0.318653339605 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 6608 rows and 6608 columns Presolve time: 0.03s Presolved: 1949 rows, 2040 columns, 5752 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2040 integer (2040 binary) Root relaxation: objective 0.000000e+00, 863 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 (1540 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 [12, 42, 43, 59, 61, 83, 84, 87, 89, 91] edges [(19, 91), (5, 84), (8, 87), (85, 87), (30, 89), (45, 91), (77, 61), (61, 61), (12, 84), (81, 91), (80, 91), (75, 43), (27, 61), (56, 59), (40, 43), (41, 91), (29, 12), (84, 43), (4, 12), (17, 87), (72, 91), (44, 91), (78, 87), (21, 83), (26, 83), (14, 89), (64, 61), (83, 61), (39, 87), (76, 83), (66, 89), (57, 91), (65, 59), (1, 91), (0, 12), (50, 91), (10, 83), (63, 59), (90, 91), (91, 59), (54, 87), (52, 84), (23, 61), (60, 91), (25, 12), (62, 91), (43, 43), (67, 91), (47, 12), (11, 84), (71, 59), (24, 61), (70, 91), (3, 89), (55, 59), (49, 61), (42, 43), (59, 91), (20, 43), (33, 61), (22, 43), (7, 42), (73, 43), (38, 42), (74, 91), (35, 59), (79, 87), (2, 43), (58, 84), (51, 61), (89, 89), (16, 61), (48, 91), (88, 91), (34, 61), (9, 84), (13, 89), (87, 87), (28, 43), (53, 89), (69, 43), (18, 42), (46, 83), (31, 59), (32, 87), (6, 61), (68, 61), (82, 83), (36, 87), (86, 61), (37, 43), (15, 87)] current theta: 0.159326669803 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7834 rows and 7918 columns Presolve time: 0.01s Presolved: 723 rows, 730 columns, 1990 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 730 integer (730 binary) Root relaxation: cutoff, 757 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 (757 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: 0.238990004704 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7292 rows and 7306 columns Presolve time: 0.02s Presolved: 1265 rows, 1342 columns, 3686 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1342 integer (1342 binary) Root relaxation: objective 0.000000e+00, 1021 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 (1807 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 [12, 23, 33, 35, 38, 42, 51, 56, 85, 91] edges [(89, 12), (8, 38), (37, 42), (30, 42), (13, 12), (86, 51), (40, 42), (85, 85), (58, 42), (80, 91), (35, 35), (77, 23), (3, 12), (2, 35), (55, 91), (61, 23), (63, 51), (32, 38), (4, 12), (26, 56), (31, 35), (34, 51), (38, 38), (81, 35), (46, 33), (44, 91), (65, 91), (14, 12), (33, 33), (20, 12), (29, 35), (90, 51), (66, 12), (52, 35), (72, 35), (36, 38), (78, 42), (83, 33), (68, 33), (41, 51), (57, 91), (1, 91), (0, 12), (9, 12), (79, 38), (45, 35), (50, 91), (39, 38), (7, 23), (5, 42), (51, 51), (60, 91), (17, 42), (21, 56), (75, 38), (16, 33), (54, 85), (67, 91), (47, 12), (71, 56), (43, 42), (27, 23), (91, 91), (24, 33), (70, 91), (42, 42), (6, 33), (12, 12), (22, 42), (59, 91), (62, 51), (23, 23), (76, 33), (49, 51), (84, 12), (82, 33), (74, 91), (87, 85), (56, 51), (73, 42), (28, 42), (25, 35), (48, 91), (64, 23), (88, 91), (53, 12), (10, 51), (15, 85), (18, 42), (11, 35), (69, 42), (19, 35)] current theta: 0.199158337253 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7580 rows and 7628 columns Presolve time: 0.01s Presolved: 977 rows, 1020 columns, 2788 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1020 integer (1020 binary) Root relaxation: cutoff, 1071 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 (1071 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: 0.219074170979 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7430 rows and 7462 columns Presolve time: 0.02s Presolved: 1127 rows, 1186 columns, 3254 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1186 integer (1186 binary) Root relaxation: objective -7.105427e-15, 975 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 (1603 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, 27, 29, 46, 56, 64, 75, 79, 84, 91] edges [(5, 84), (89, 12), (87, 79), (13, 12), (0, 29), (24, 64), (32, 79), (80, 91), (33, 46), (3, 12), (47, 29), (40, 84), (12, 29), (38, 79), (27, 27), (4, 12), (72, 91), (10, 56), (18, 79), (22, 75), (44, 91), (65, 91), (14, 12), (20, 84), (86, 46), (63, 27), (49, 27), (7, 27), (64, 64), (76, 46), (84, 84), (52, 27), (26, 46), (57, 91), (1, 91), (9, 12), (2, 84), (50, 91), (8, 27), (53, 84), (17, 79), (79, 79), (25, 12), (62, 91), (68, 46), (42, 84), (82, 64), (67, 91), (46, 46), (71, 56), (23, 27), (37, 84), (91, 91), (77, 64), (55, 56), (75, 75), (54, 79), (70, 91), (90, 56), (45, 29), (58, 75), (39, 79), (29, 29), (15, 79), (59, 91), (85, 79), (73, 84), (35, 29), (51, 56), (69, 75), (21, 46), (81, 29), (19, 29), (41, 56), (74, 91), (30, 84), (36, 79), (43, 84), (31, 29), (48, 91), (78, 75), (6, 64), (88, 91), (60, 56), (83, 46), (66, 29), (28, 84), (11, 29), (34, 56), (56, 56), (61, 27), (16, 64)] current theta: 0.209116254116 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7498 rows and 7534 columns Presolve time: 0.01s Presolved: 1059 rows, 1114 columns, 3046 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1114 integer (1114 binary) Root relaxation: objective 3.552714e-14, 944 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 (1585 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 [8, 16, 27, 29, 36, 40, 41, 83, 89, 91] edges [(69, 40), (0, 29), (84, 40), (80, 91), (37, 40), (25, 29), (30, 40), (90, 41), (16, 16), (54, 36), (51, 41), (47, 29), (55, 91), (18, 36), (71, 41), (27, 27), (6, 83), (22, 36), (86, 83), (72, 91), (44, 91), (65, 91), (36, 36), (78, 36), (63, 27), (82, 16), (21, 83), (49, 27), (7, 27), (24, 16), (41, 41), (26, 83), (33, 83), (68, 83), (14, 89), (60, 41), (77, 16), (52, 27), (79, 36), (39, 36), (76, 83), (57, 91), (1, 91), (34, 41), (50, 91), (56, 41), (4, 89), (15, 8), (32, 8), (43, 40), (58, 27), (5, 40), (62, 91), (83, 83), (67, 91), (23, 27), (64, 16), (91, 91), (45, 29), (3, 89), (29, 29), (59, 91), (38, 8), (35, 29), (87, 36), (42, 40), (20, 89), (81, 29), (19, 29), (17, 8), (28, 40), (74, 91), (70, 41), (89, 89), (10, 41), (31, 29), (48, 91), (88, 91), (2, 40), (13, 89), (53, 89), (73, 40), (75, 8), (46, 83), (8, 8), (66, 29), (12, 89), (11, 29), (9, 89), (85, 36), (61, 27), (40, 40)] current theta: 0.204137295685 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7538 rows and 7579 columns Presolve time: 0.01s Presolved: 1019 rows, 1069 columns, 2921 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1069 integer (1069 binary) Root relaxation: cutoff, 42 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 (42 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 [8, 16, 27, 29, 36, 40, 41, 83, 89, 91] edges [(69, 40), (0, 29), (84, 40), (80, 91), (37, 40), (25, 29), (30, 40), (90, 41), (16, 16), (54, 36), (51, 41), (47, 29), (55, 91), (18, 36), (71, 41), (27, 27), (6, 83), (22, 36), (86, 83), (72, 91), (44, 91), (65, 91), (36, 36), (78, 36), (63, 27), (82, 16), (21, 83), (49, 27), (7, 27), (24, 16), (41, 41), (26, 83), (33, 83), (68, 83), (14, 89), (60, 41), (77, 16), (52, 27), (79, 36), (39, 36), (76, 83), (57, 91), (1, 91), (34, 41), (50, 91), (56, 41), (4, 89), (15, 8), (32, 8), (43, 40), (58, 27), (5, 40), (62, 91), (83, 83), (67, 91), (23, 27), (64, 16), (91, 91), (45, 29), (3, 89), (29, 29), (59, 91), (38, 8), (35, 29), (87, 36), (42, 40), (20, 89), (81, 29), (19, 29), (17, 8), (28, 40), (74, 91), (70, 41), (89, 89), (10, 41), (31, 29), (48, 91), (88, 91), (2, 40), (13, 89), (53, 89), (73, 40), (75, 8), (46, 83), (8, 8), (66, 29), (12, 89), (11, 29), (9, 89), (85, 36), (61, 27), (40, 40)] current theta: 0.201647816469 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7558 rows and 7602 columns Presolve time: 0.01s Presolved: 999 rows, 1046 columns, 2858 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1046 integer (1046 binary) Root relaxation: objective 0.000000e+00, 1079 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 (1768 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 [14, 17, 27, 29, 40, 56, 64, 68, 87, 91] edges [(69, 40), (33, 68), (0, 29), (24, 64), (84, 40), (80, 91), (37, 40), (83, 68), (25, 29), (30, 40), (8, 17), (47, 29), (55, 91), (27, 27), (3, 14), (14, 14), (79, 17), (17, 87), (72, 91), (70, 56), (10, 56), (4, 14), (44, 91), (65, 91), (22, 87), (63, 27), (49, 27), (7, 27), (64, 64), (9, 14), (52, 27), (39, 87), (57, 91), (32, 17), (1, 91), (50, 91), (38, 17), (75, 87), (46, 68), (43, 40), (85, 17), (58, 27), (5, 40), (62, 91), (82, 64), (67, 91), (71, 56), (23, 27), (20, 40), (91, 91), (77, 64), (26, 68), (90, 56), (45, 29), (68, 68), (21, 68), (29, 29), (59, 91), (76, 68), (35, 29), (42, 40), (51, 56), (54, 17), (12, 14), (15, 17), (81, 29), (19, 29), (28, 40), (41, 56), (86, 68), (74, 91), (53, 14), (31, 29), (48, 91), (6, 64), (2, 40), (87, 87), (60, 56), (73, 40), (78, 17), (88, 56), (89, 14), (66, 29), (13, 14), (36, 87), (18, 87), (11, 29), (34, 56), (56, 56), (61, 27), (40, 40), (16, 64)] current theta: 0.200403076861 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7562 rows and 7606 columns Presolve time: 0.01s Presolved: 995 rows, 1042 columns, 2846 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1042 integer (1042 binary) Root relaxation: objective 0.000000e+00, 1064 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 (1709 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 [9, 17, 29, 39, 40, 56, 63, 64, 68, 91] edges [(69, 40), (33, 68), (53, 9), (0, 29), (24, 64), (84, 40), (52, 63), (54, 39), (80, 91), (37, 40), (83, 68), (25, 29), (30, 40), (8, 17), (61, 64), (47, 29), (55, 91), (13, 9), (58, 40), (22, 39), (14, 9), (27, 63), (72, 91), (70, 56), (10, 56), (78, 39), (9, 9), (44, 91), (65, 91), (63, 63), (64, 64), (4, 9), (36, 39), (79, 39), (57, 91), (32, 17), (39, 39), (1, 91), (50, 91), (38, 17), (46, 68), (43, 40), (85, 17), (5, 40), (62, 91), (23, 64), (82, 64), (67, 91), (75, 17), (71, 56), (20, 40), (49, 63), (91, 91), (77, 64), (26, 68), (90, 56), (45, 29), (68, 68), (21, 68), (29, 29), (59, 91), (76, 68), (35, 29), (42, 40), (51, 56), (81, 29), (87, 39), (19, 29), (28, 40), (41, 56), (86, 68), (74, 91), (89, 9), (12, 9), (31, 29), (48, 91), (6, 64), (88, 91), (2, 40), (18, 17), (60, 56), (7, 39), (73, 40), (3, 9), (17, 39), (15, 39), (66, 29), (11, 29), (34, 56), (56, 56), (40, 40), (16, 64)] current theta: 0.199780707057 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7574 rows and 7621 columns Presolve time: 0.01s Presolved: 983 rows, 1027 columns, 2807 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1027 integer (1027 binary) Root relaxation: cutoff, 1106 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 (1106 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: 0.200091891959 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7570 rows and 7616 columns Presolve time: 0.01s Presolved: 987 rows, 1032 columns, 2820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1032 integer (1032 binary) Root relaxation: cutoff, 1073 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 (1073 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: 0.20024748441 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7564 rows and 7609 columns Presolve time: 0.01s Presolved: 993 rows, 1039 columns, 2839 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1039 integer (1039 binary) Root relaxation: objective 0.000000e+00, 1021 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 (1654 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 [14, 17, 23, 29, 33, 34, 40, 52, 67, 91] edges [(88, 67), (69, 40), (0, 29), (84, 40), (80, 91), (37, 40), (25, 29), (30, 40), (8, 17), (77, 23), (47, 29), (44, 67), (61, 23), (58, 40), (3, 14), (56, 34), (14, 14), (79, 17), (72, 91), (26, 34), (46, 33), (87, 17), (4, 14), (65, 91), (33, 33), (50, 67), (71, 67), (9, 14), (16, 23), (83, 33), (49, 34), (68, 33), (32, 17), (41, 67), (1, 91), (86, 34), (17, 17), (10, 34), (7, 23), (38, 17), (70, 67), (22, 17), (43, 40), (85, 17), (57, 67), (5, 40), (67, 91), (75, 17), (20, 40), (27, 23), (21, 34), (34, 34), (24, 33), (6, 33), (52, 52), (60, 34), (29, 29), (59, 91), (90, 34), (35, 29), (42, 40), (23, 23), (36, 17), (54, 17), (12, 14), (15, 17), (76, 33), (82, 33), (39, 17), (19, 29), (28, 40), (74, 91), (45, 52), (53, 14), (55, 67), (62, 67), (31, 29), (48, 91), (64, 23), (2, 40), (18, 17), (91, 67), (73, 40), (78, 17), (81, 52), (89, 14), (51, 34), (66, 29), (13, 14), (11, 29), (63, 52), (40, 40)] current theta: 0.200169688185 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:07:56 2014 Optimize a model with 8557 rows, 8648 columns and 25576 nonzeros Presolve removed 7570 rows and 7616 columns Presolve time: 0.01s Presolved: 987 rows, 1032 columns, 2820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1032 integer (1032 binary) Root relaxation: cutoff, 1073 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 (1073 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 -