current theta: 0.609987586679 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:56 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 7274 rows and 7274 columns Presolve time: 0.21s Presolved: 11359 rows, 11494 columns, 33938 nonzeros Variable types: 0 continuous, 11494 integer (11494 binary) Root relaxation: objective 0.000000e+00, 1608 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 (3178 simplex iterations) in 0.38 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, 9, 10, 33, 42, 44, 65, 73, 78, 100, 112, 123, 124, 128] edges [(100, 112), (54, 33), (111, 33), (129, 73), (15, 33), (79, 10), (22, 73), (65, 10), (84, 123), (18, 10), (38, 73), (67, 73), (61, 65), (64, 73), (124, 33), (106, 73), (28, 33), (85, 33), (102, 10), (63, 73), (113, 73), (92, 73), (44, 10), (4, 123), (68, 73), (14, 100), (13, 9), (132, 73), (117, 73), (35, 9), (24, 128), (98, 33), (2, 33), (116, 10), (33, 73), (1, 65), (101, 33), (71, 42), (27, 128), (128, 128), (122, 78), (130, 33), (34, 9), (80, 4), (9, 128), (25, 10), (51, 10), (97, 65), (62, 10), (108, 128), (19, 128), (46, 65), (127, 124), (87, 100), (6, 10), (103, 128), (112, 123), (74, 73), (57, 33), (29, 65), (118, 33), (11, 124), (56, 42), (26, 100), (114, 128), (55, 100), (76, 78), (135, 65), (82, 10), (69, 65), (17, 73), (73, 33), (10, 10), (95, 33), (119, 65), (107, 100), (94, 10), (60, 33), (36, 10), (66, 33), (123, 33), (90, 65), (20, 42), (93, 10), (59, 100), (45, 73), (72, 100), (134, 124), (86, 65), (32, 124), (48, 10), (42, 124), (31, 128), (99, 124), (58, 73), (110, 10), (121, 73), (16, 73), (52, 10), (120, 9), (133, 9), (83, 42), (77, 124), (39, 128), (131, 124), (30, 123), (41, 73), (89, 9), (8, 33), (47, 128), (0, 65), (115, 10), (50, 33), (75, 65), (70, 128), (126, 10), (40, 73), (23, 128), (12, 10), (37, 9), (21, 42), (81, 128), (105, 10), (78, 128), (49, 10), (125, 65), (88, 65), (3, 9), (7, 10), (43, 73), (104, 65), (109, 33), (53, 10), (91, 9), (96, 65), (5, 112)] current theta: 0.30499379334 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:57 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 14496 rows and 14496 columns Presolve time: 0.09s Presolved: 4137 rows, 4272 columns, 12272 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4272 integer (4272 binary) Root relaxation: objective 0.000000e+00, 1101 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 (2347 simplex iterations) in 0.16 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 [18, 27, 71, 74, 83, 86, 89, 90, 96, 100, 130, 132, 133, 135] edges [(119, 90), (78, 135), (29, 133), (52, 90), (84, 130), (57, 135), (103, 135), (128, 135), (70, 86), (17, 90), (97, 135), (45, 18), (55, 89), (91, 132), (131, 100), (13, 135), (118, 18), (31, 83), (110, 89), (51, 86), (117, 74), (0, 71), (99, 133), (116, 90), (54, 89), (14, 130), (46, 90), (77, 132), (104, 135), (69, 130), (87, 132), (107, 89), (76, 86), (68, 130), (9, 135), (82, 18), (122, 89), (61, 133), (37, 96), (43, 100), (66, 133), (53, 74), (124, 100), (121, 18), (92, 18), (27, 71), (74, 74), (26, 132), (111, 132), (35, 83), (108, 135), (5, 130), (34, 83), (89, 133), (8, 132), (4, 130), (22, 18), (88, 135), (32, 100), (114, 71), (21, 133), (120, 83), (11, 130), (100, 100), (3, 132), (16, 132), (101, 18), (127, 130), (133, 89), (38, 89), (85, 18), (56, 132), (123, 100), (62, 18), (132, 100), (93, 18), (50, 86), (83, 83), (95, 89), (134, 100), (112, 100), (129, 89), (59, 132), (12, 133), (64, 132), (44, 133), (58, 74), (80, 74), (23, 135), (67, 18), (49, 18), (7, 18), (130, 130), (10, 74), (72, 100), (19, 27), (125, 135), (33, 130), (79, 74), (24, 27), (113, 100), (94, 90), (41, 74), (63, 133), (71, 83), (106, 132), (36, 18), (18, 18), (102, 130), (48, 89), (39, 71), (47, 86), (73, 18), (86, 96), (2, 18), (65, 135), (25, 89), (90, 74), (98, 130), (15, 18), (96, 86), (6, 89), (1, 74), (81, 86), (60, 100), (135, 86), (28, 130), (30, 132), (20, 71), (40, 74), (109, 89), (75, 89), (126, 18), (42, 100), (105, 135), (115, 89)] current theta: 0.15249689667 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:57 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 17210 rows and 17274 columns Presolve time: 0.03s Presolved: 1423 rows, 1494 columns, 4068 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1494 integer (1494 binary) Root relaxation: cutoff, 1620 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 (1620 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: 0.228745345005 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:57 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 15992 rows and 15994 columns Presolve time: 0.05s Presolved: 2641 rows, 2774 columns, 7782 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2774 integer (2774 binary) Root relaxation: objective 0.000000e+00, 1459 iterations, 0.04 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 (2491 simplex iterations) in 0.11 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 [63, 73, 77, 80, 85, 88, 97, 119, 125, 126, 129, 130, 133, 134] edges [(118, 129), (129, 73), (29, 133), (84, 130), (48, 80), (39, 88), (18, 85), (76, 97), (38, 73), (85, 85), (37, 133), (40, 119), (78, 133), (71, 125), (104, 133), (16, 134), (97, 133), (68, 73), (34, 88), (23, 97), (123, 134), (99, 133), (51, 97), (93, 73), (86, 133), (77, 77), (14, 130), (121, 85), (69, 130), (112, 134), (6, 129), (64, 130), (46, 119), (53, 63), (125, 125), (19, 125), (131, 134), (61, 133), (116, 119), (44, 119), (80, 80), (2, 63), (109, 80), (66, 133), (9, 125), (20, 125), (108, 133), (62, 80), (32, 134), (12, 80), (82, 126), (58, 129), (31, 88), (106, 130), (7, 126), (54, 63), (65, 88), (3, 77), (1, 129), (89, 133), (4, 130), (73, 73), (87, 130), (21, 133), (11, 130), (101, 126), (70, 97), (105, 133), (124, 134), (122, 133), (75, 133), (8, 134), (52, 119), (55, 73), (30, 134), (94, 119), (50, 88), (117, 80), (130, 134), (103, 125), (22, 85), (0, 125), (57, 88), (102, 126), (74, 119), (59, 130), (113, 134), (134, 134), (43, 134), (114, 125), (111, 130), (56, 134), (91, 77), (5, 129), (120, 88), (67, 126), (100, 134), (17, 119), (79, 119), (128, 125), (45, 73), (135, 88), (25, 129), (81, 97), (33, 130), (132, 134), (60, 134), (115, 80), (88, 88), (92, 63), (126, 126), (110, 80), (127, 77), (83, 88), (95, 119), (41, 63), (98, 130), (72, 77), (28, 129), (90, 119), (13, 125), (63, 129), (47, 97), (36, 73), (10, 80), (107, 133), (24, 88), (26, 134), (15, 126), (35, 125), (96, 119), (133, 133), (49, 126), (119, 119), (42, 134), (27, 88)] current theta: 0.190621120837 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:57 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16654 rows and 16679 columns Presolve time: 0.03s Presolved: 1979 rows, 2089 columns, 5773 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2089 integer (2089 binary) Root relaxation: objective 0.000000e+00, 1621 iterations, 0.04 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 (2656 simplex iterations) in 0.09 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, 28, 31, 72, 75, 80, 90, 100, 111, 118, 126, 130, 133, 135] edges [(119, 90), (13, 13), (36, 80), (2, 80), (29, 133), (52, 90), (84, 130), (40, 90), (48, 80), (103, 135), (128, 135), (95, 80), (17, 90), (37, 133), (50, 135), (73, 126), (78, 133), (104, 133), (0, 31), (97, 133), (25, 28), (71, 13), (116, 90), (83, 135), (86, 133), (109, 28), (64, 111), (14, 130), (46, 90), (19, 13), (85, 118), (99, 28), (70, 75), (57, 31), (61, 133), (21, 28), (80, 80), (66, 133), (63, 80), (118, 118), (108, 133), (79, 90), (124, 100), (35, 13), (114, 135), (27, 31), (12, 80), (93, 118), (77, 72), (20, 13), (22, 118), (28, 28), (131, 72), (7, 126), (38, 118), (98, 111), (89, 133), (9, 13), (4, 130), (6, 80), (88, 135), (87, 130), (32, 100), (11, 130), (43, 130), (90, 90), (101, 126), (105, 133), (100, 100), (69, 28), (122, 133), (75, 133), (8, 100), (127, 130), (34, 135), (117, 80), (54, 111), (26, 100), (18, 126), (102, 126), (62, 118), (123, 100), (132, 100), (59, 130), (81, 75), (30, 72), (134, 100), (3, 31), (111, 130), (135, 135), (121, 126), (112, 100), (33, 111), (92, 80), (67, 126), (24, 135), (106, 28), (23, 135), (82, 118), (45, 126), (55, 28), (53, 80), (51, 75), (39, 135), (130, 130), (72, 72), (113, 130), (47, 135), (107, 31), (94, 90), (74, 90), (120, 135), (126, 126), (110, 80), (125, 13), (65, 135), (1, 80), (44, 75), (96, 90), (60, 100), (68, 111), (76, 135), (10, 80), (129, 80), (31, 31), (15, 126), (133, 133), (91, 72), (49, 126), (41, 80), (56, 100), (115, 133), (58, 80), (5, 28), (16, 100), (42, 100)] current theta: 0.171559008754 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:57 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16942 rows and 16980 columns Presolve time: 0.03s Presolved: 1691 rows, 1788 columns, 4896 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1788 integer (1788 binary) Root relaxation: objective 0.000000e+00, 1825 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 132 - 0.00000 - - 0s 0 0 0.00000 0 132 - 0.00000 - - 0s 0 0 0.00000 0 132 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 1 Zero half: 17 Explored 0 nodes (7864 simplex iterations) in 0.25 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, 29, 43, 52, 54, 68, 77, 78, 93, 94, 95, 101, 114, 131] edges [(26, 131), (132, 77), (44, 94), (42, 131), (33, 68), (39, 114), (47, 78), (25, 29), (112, 131), (106, 54), (93, 93), (2, 93), (95, 95), (7, 101), (6, 54), (118, 93), (77, 77), (131, 131), (58, 93), (20, 0), (15, 101), (99, 29), (36, 93), (11, 68), (110, 95), (109, 54), (23, 78), (21, 29), (115, 95), (80, 95), (119, 52), (83, 0), (113, 77), (74, 52), (87, 68), (40, 52), (90, 94), (4, 43), (97, 78), (102, 68), (46, 94), (111, 68), (31, 0), (70, 78), (57, 0), (88, 114), (8, 131), (41, 93), (22, 93), (12, 95), (3, 77), (108, 78), (16, 131), (86, 78), (101, 101), (134, 131), (37, 78), (96, 94), (63, 95), (56, 131), (5, 54), (17, 52), (13, 0), (35, 114), (34, 114), (76, 78), (117, 95), (59, 68), (129, 54), (89, 29), (98, 68), (92, 93), (24, 114), (43, 43), (10, 95), (66, 78), (28, 54), (0, 0), (91, 77), (82, 93), (71, 0), (125, 114), (54, 54), (81, 78), (124, 131), (1, 93), (85, 101), (55, 68), (38, 54), (107, 29), (68, 68), (52, 52), (64, 54), (53, 95), (123, 131), (116, 94), (29, 29), (100, 131), (18, 101), (30, 77), (49, 68), (105, 78), (103, 114), (121, 101), (104, 78), (62, 93), (32, 43), (84, 68), (67, 101), (19, 0), (127, 77), (9, 114), (75, 78), (51, 78), (27, 0), (50, 114), (128, 114), (72, 77), (120, 114), (45, 101), (65, 78), (133, 78), (94, 94), (135, 114), (126, 101), (61, 29), (130, 43), (69, 54), (114, 114), (14, 43), (122, 95), (60, 131), (79, 52), (78, 78), (73, 93), (48, 95)] current theta: 0.162027952712 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 17062 rows and 17110 columns Presolve time: 0.03s Presolved: 1571 rows, 1658 columns, 4526 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1658 integer (1658 binary) Root relaxation: cutoff, 1661 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 (1661 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: 0.166793480733 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 17000 rows and 17043 columns Presolve time: 0.03s Presolved: 1633 rows, 1725 columns, 4717 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1725 integer (1725 binary) Root relaxation: cutoff, 1910 iterations, 0.05 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 (1910 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.169176244743 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16968 rows and 17008 columns Presolve time: 0.03s Presolved: 1665 rows, 1760 columns, 4816 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1760 integer (1760 binary) Root relaxation: objective -7.105427e-15, 1866 iterations, 0.05 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 (2966 simplex iterations) in 0.11 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, 8, 14, 54, 68, 77, 90, 93, 95, 96, 97, 99, 101, 114] edges [(119, 90), (75, 97), (132, 77), (100, 8), (52, 90), (40, 90), (17, 90), (108, 97), (33, 68), (76, 97), (131, 8), (39, 114), (112, 8), (106, 54), (96, 96), (93, 93), (2, 93), (95, 95), (6, 54), (118, 93), (23, 97), (51, 97), (116, 90), (77, 77), (60, 8), (58, 93), (20, 0), (61, 99), (46, 90), (15, 101), (36, 93), (11, 68), (105, 97), (110, 95), (14, 14), (88, 0), (109, 54), (115, 95), (80, 95), (44, 96), (123, 8), (83, 0), (102, 14), (113, 77), (56, 8), (4, 14), (87, 68), (79, 90), (97, 97), (31, 0), (29, 99), (57, 0), (41, 93), (22, 93), (104, 97), (12, 95), (3, 77), (16, 8), (7, 93), (90, 90), (70, 97), (37, 97), (101, 101), (63, 95), (5, 99), (38, 68), (42, 77), (13, 0), (28, 99), (78, 97), (98, 14), (35, 114), (34, 114), (32, 8), (117, 95), (59, 68), (129, 54), (92, 93), (111, 54), (10, 95), (0, 0), (134, 8), (91, 77), (82, 93), (71, 0), (124, 8), (125, 114), (54, 54), (99, 99), (25, 99), (1, 93), (85, 101), (55, 68), (68, 68), (64, 54), (53, 95), (89, 99), (81, 97), (18, 101), (30, 77), (49, 68), (133, 97), (94, 90), (24, 0), (103, 114), (121, 101), (62, 93), (74, 90), (26, 8), (67, 101), (19, 0), (127, 77), (9, 114), (84, 14), (86, 97), (27, 0), (50, 114), (128, 114), (72, 77), (120, 114), (45, 101), (21, 99), (135, 114), (43, 14), (130, 14), (126, 101), (65, 97), (47, 97), (8, 8), (69, 54), (114, 114), (122, 95), (66, 97), (73, 93), (107, 99), (48, 95)] current theta: 0.167984862738 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16990 rows and 17033 columns Presolve time: 0.03s Presolved: 1643 rows, 1735 columns, 4747 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1735 integer (1735 binary) Root relaxation: cutoff, 1901 iterations, 0.05 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 (1901 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.16858055374 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16980 rows and 17021 columns Presolve time: 0.03s Presolved: 1653 rows, 1747 columns, 4779 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1747 integer (1747 binary) Root relaxation: objective 0.000000e+00, 1908 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 252 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 20 Explored 0 nodes (5613 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.168878399242 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:58 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16974 rows and 17014 columns Presolve time: 0.03s Presolved: 1659 rows, 1754 columns, 4798 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1754 integer (1754 binary) Root relaxation: objective 0.000000e+00, 1960 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 246 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Gomory: 2 Zero half: 12 Explored 0 nodes (5362 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.169027321992 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:59 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16970 rows and 17010 columns Presolve time: 0.03s Presolved: 1663 rows, 1758 columns, 4810 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1758 integer (1758 binary) Root relaxation: objective 0.000000e+00, 1945 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 242 - 0.00000 - - 0s 0 0 0.00000 0 261 - 0.00000 - - 0s 0 0 0.00000 0 277 - 0.00000 - - 0s 0 0 0.00000 0 279 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Zero half: 20 Explored 0 nodes (11710 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.169101783368 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:14:59 2014 Optimize a model with 18633 rows, 18768 columns and 55760 nonzeros Presolve removed 16970 rows and 17010 columns Presolve time: 0.03s Presolved: 1663 rows, 1758 columns, 4810 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1758 integer (1758 binary) Root relaxation: objective 0.000000e+00, 1945 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 242 - 0.00000 - - 0s 0 0 0.00000 0 261 - 0.00000 - - 0s 0 0 0.00000 0 277 - 0.00000 - - 0s 0 0 0.00000 0 279 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Cutting planes: Zero half: 20 Explored 0 nodes (11710 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -