current bounds on the number of colors: 0 -- 249 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:12 2012 Optimize a model with 38069 rows, 31181 columns and 144336 nonzeros Presolve removed 13 rows and 1612 columns Presolve time: 0.20s Presolved: 38056 rows, 29569 columns, 142724 nonzeros Variable types: 0 continuous, 29569 integer (29569 binary) Root relaxation: objective 0.000000e+00, 430 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 0.0% - 0s Explored 0 nodes (430 simplex iterations) in 0.23 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% current bounds on the number of colors: 0 -- 124 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 19159 rows, 15743 columns and 72168 nonzeros Presolve removed 13 rows and 806 columns Presolve time: 0.13s Presolved: 19146 rows, 14937 columns, 71362 nonzeros Variable types: 0 continuous, 14937 integer (14937 binary) Root relaxation: objective 0.000000e+00, 430 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 0.0% - 0s Explored 0 nodes (430 simplex iterations) in 0.15 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% current bounds on the number of colors: 0 -- 62 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 9704 rows, 8024 columns and 36084 nonzeros Presolve removed 13 rows and 403 columns Presolve time: 0.06s Presolved: 9691 rows, 7621 columns, 35681 nonzeros Variable types: 0 continuous, 7621 integer (7621 binary) Root relaxation: objective 0.000000e+00, 428 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 0.0% - 0s Explored 0 nodes (428 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% current bounds on the number of colors: 0 -- 31 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 4824 rows, 4040 columns and 17460 nonzeros Presolve removed 13 rows and 195 columns Presolve time: 0.02s Presolved: 4811 rows, 3845 columns, 17265 nonzeros Variable types: 0 continuous, 3845 integer (3845 binary) Root relaxation: objective 0.000000e+00, 440 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 (440 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% current bounds on the number of colors: 0 -- 15 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 2384 rows, 2048 columns and 8148 nonzeros Presolve removed 13 rows and 91 columns Presolve time: 0.01s Presolved: 2371 rows, 1957 columns, 8057 nonzeros Variable types: 0 continuous, 1957 integer (1957 binary) Root relaxation: objective 0.000000e+00, 434 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 (434 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% current bounds on the number of colors: 0 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 1164 rows, 1052 columns and 3492 nonzeros Presolve removed 13 rows and 39 columns Presolve time: 0.00s Presolved: 1151 rows, 1013 columns, 3453 nonzeros Variable types: 0 continuous, 1013 integer (1013 binary) Root relaxation: objective 0.000000e+00, 449 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 (449 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% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 554 rows, 554 columns and 1164 nonzeros Presolve removed 554 rows and 554 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:48:13 2012 Optimize a model with 859 rows, 803 columns and 2328 nonzeros Presolve removed 253 rows and 268 columns Presolve time: 0.00s Presolved: 606 rows, 535 columns, 1818 nonzeros Variable types: 0 continuous, 535 integer (535 binary) Root relaxation: objective 0.000000e+00, 259 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 232 - 0.00000 - - 0s Explored 0 nodes (852 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 - optimal solution found: number of colors: 3