current bounds on the number of colors: 0 -- 211 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:25 2012 Optimize a model with 25411 rows, 22395 columns and 97755 nonzeros Presolve removed 18 rows and 1890 columns Presolve time: 0.15s Presolved: 25393 rows, 20505 columns, 95865 nonzeros Variable types: 0 continuous, 20505 integer (20505 binary) Root relaxation: objective 0.000000e+00, 353 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 (353 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% current bounds on the number of colors: 0 -- 105 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:26 2012 Optimize a model with 12691 rows, 11212 columns and 48412 nonzeros Presolve removed 18 rows and 936 columns Presolve time: 0.12s Presolved: 12673 rows, 10276 columns, 47476 nonzeros Variable types: 0 continuous, 10276 integer (10276 binary) Root relaxation: objective 0.000000e+00, 355 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 (355 simplex iterations) in 0.13 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 -- 52 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:26 2012 Optimize a model with 6451 rows, 5726 columns and 24206 nonzeros Presolve removed 18 rows and 468 columns Presolve time: 0.04s Presolved: 6433 rows, 5258 columns, 23738 nonzeros Variable types: 0 continuous, 5258 integer (5258 binary) Root relaxation: objective 0.000000e+00, 355 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 (355 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% current bounds on the number of colors: 0 -- 26 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:26 2012 Optimize a model with 3331 rows, 2983 columns and 12103 nonzeros Presolve removed 18 rows and 234 columns Presolve time: 0.01s Presolved: 3313 rows, 2749 columns, 11869 nonzeros Variable types: 0 continuous, 2749 integer (2749 binary) Root relaxation: objective 0.000000e+00, 370 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 (553 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% current bounds on the number of colors: 0 -- 13 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:26 2012 Optimize a model with 1651 rows, 1506 columns and 5586 nonzeros Presolve removed 18 rows and 108 columns Presolve time: 0.01s Presolved: 1633 rows, 1398 columns, 5478 nonzeros Variable types: 0 continuous, 1398 integer (1398 binary) Root relaxation: objective 0.000000e+00, 369 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 (526 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 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:33:26 2012 Optimize a model with 931 rows, 873 columns and 2793 nonzeros Presolve removed 18 rows and 54 columns Presolve time: 0.00s Presolved: 913 rows, 819 columns, 2739 nonzeros Variable types: 0 continuous, 819 integer (819 binary) Root relaxation: objective 0.000000e+00, 388 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 (558 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 16:33:26 2012 Optimize a model with 451 rows, 451 columns and 931 nonzeros Presolve removed 451 rows and 451 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 16:33:26 2012 Optimize a model with 691 rows, 662 columns and 1862 nonzeros Presolve removed 227 rows and 253 columns Presolve time: 0.00s Presolved: 464 rows, 409 columns, 1392 nonzeros Variable types: 0 continuous, 409 integer (409 binary) Root relaxation: objective 0.000000e+00, 212 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 0 177 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (593 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