current theta: 0.624761573863 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 296 rows and 296 columns Presolve time: 0.01s Presolved: 575 rows, 603 columns, 1693 nonzeros Variable types: 0 continuous, 603 integer (603 binary) Root relaxation: objective 0.000000e+00, 224 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (224 simplex iterations) in 0.01 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 [16, 18, 28] edges [(21, 28), (8, 18), (19, 18), (20, 28), (11, 28), (5, 18), (22, 28), (2, 28), (6, 16), (24, 18), (1, 16), (7, 18), (13, 28), (0, 16), (14, 18), (10, 18), (12, 28), (17, 18), (23, 28), (3, 28), (9, 18), (18, 28), (4, 18), (15, 18), (26, 18), (16, 16), (28, 18), (25, 18), (27, 18)] current theta: 0.312380786931 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 592 rows and 592 columns Presolve time: 0.00s Presolved: 279 rows, 307 columns, 807 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 307 integer (307 binary) Root relaxation: cutoff, 217 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 - 0.10000 - - 0s Explored 0 nodes (217 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.468571180397 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 440 rows and 440 columns Presolve time: 0.00s Presolved: 431 rows, 459 columns, 1261 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 459 integer (459 binary) Root relaxation: objective 0.000000e+00, 167 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (167 simplex iterations) in 0.01 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, 27, 28] edges [(21, 28), (16, 0), (24, 28), (1, 0), (20, 28), (7, 27), (0, 0), (8, 27), (2, 28), (5, 27), (17, 28), (22, 27), (13, 28), (11, 27), (12, 28), (6, 0), (23, 28), (3, 28), (18, 28), (9, 28), (14, 27), (10, 27), (15, 27), (27, 27), (28, 28), (25, 0), (19, 28), (4, 27), (26, 27)] current theta: 0.390475983664 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 518 rows and 518 columns Presolve time: 0.00s Presolved: 353 rows, 381 columns, 1027 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 381 integer (381 binary) Root relaxation: cutoff, 225 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 - 0.10000 - - 0s Explored 0 nodes (225 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.429523582031 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 486 rows and 486 columns Presolve time: 0.00s Presolved: 385 rows, 413 columns, 1123 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 413 integer (413 binary) Root relaxation: objective 0.000000e+00, 223 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (223 simplex iterations) in 0.01 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, 10, 28] edges [(21, 28), (24, 28), (15, 10), (5, 10), (20, 28), (27, 10), (26, 10), (11, 28), (1, 6), (2, 28), (10, 10), (17, 28), (13, 28), (9, 10), (16, 6), (12, 28), (4, 10), (23, 28), (3, 28), (22, 10), (18, 28), (0, 6), (6, 6), (28, 28), (19, 28), (8, 10), (14, 10), (7, 10), (25, 6)] current theta: 0.409999782847 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 502 rows and 502 columns Presolve time: 0.00s Presolved: 369 rows, 397 columns, 1075 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 397 integer (397 binary) Root relaxation: cutoff, 243 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 - 0.10000 - - 0s Explored 0 nodes (243 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.419761682439 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 496 rows and 496 columns Presolve time: 0.00s Presolved: 375 rows, 403 columns, 1093 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 403 integer (403 binary) Root relaxation: objective 0.000000e+00, 279 iterations, 0.00 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 0.0% - 0s Explored 0 nodes (279 simplex iterations) in 0.01 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, 10, 28] edges [(21, 28), (5, 1), (24, 28), (15, 10), (6, 1), (20, 28), (27, 10), (17, 10), (26, 10), (11, 28), (25, 1), (2, 28), (10, 10), (13, 28), (9, 10), (12, 28), (1, 1), (4, 10), (23, 28), (3, 28), (22, 10), (16, 1), (18, 28), (0, 1), (28, 28), (19, 28), (8, 10), (14, 10), (7, 10)] current theta: 0.414880732643 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.417321207541 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 496 rows and 496 columns Presolve time: 0.00s Presolved: 375 rows, 403 columns, 1093 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 403 integer (403 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 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, 10, 28] edges [(21, 28), (5, 1), (24, 28), (15, 10), (6, 1), (20, 28), (27, 10), (17, 10), (26, 10), (11, 28), (25, 1), (2, 28), (10, 10), (13, 28), (9, 10), (12, 28), (1, 1), (4, 10), (23, 28), (3, 28), (22, 10), (16, 1), (18, 28), (0, 1), (28, 28), (19, 28), (8, 10), (14, 10), (7, 10)] current theta: 0.416100970092 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.416711088817 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.417016148179 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.41716867786 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.417244942701 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:32 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 498 columns Presolve time: 0.00s Presolved: 373 rows, 401 columns, 1087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 401 integer (401 binary) Root relaxation: cutoff, 256 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 - 0.10000 - - 0s Explored 0 nodes (256 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap -