current bounds on the number of colors: 0 -- 216 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:52 2012 Optimize a model with 26028 rows, 23567 columns and 100764 nonzeros Presolve removed 18 rows and 1944 columns Presolve time: 0.13s Presolved: 26010 rows, 21623 columns, 98820 nonzeros Variable types: 0 continuous, 21623 integer (21623 binary) Root relaxation: objective 0.000000e+00, 368 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 (368 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% current bounds on the number of colors: 0 -- 108 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:52 2012 Optimize a model with 13122 rows, 11903 columns and 50382 nonzeros Presolve removed 18 rows and 972 columns Presolve time: 0.13s Presolved: 13104 rows, 10931 columns, 49410 nonzeros Variable types: 0 continuous, 10931 integer (10931 binary) Root relaxation: objective 0.000000e+00, 378 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 (378 simplex iterations) in 0.14 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 -- 54 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:52 2012 Optimize a model with 6669 rows, 6071 columns and 25191 nonzeros Presolve removed 18 rows and 486 columns Presolve time: 0.04s Presolved: 6651 rows, 5585 columns, 24705 nonzeros Variable types: 0 continuous, 5585 integer (5585 binary) Root relaxation: objective 0.000000e+00, 375 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 (375 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 -- 27 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:53 2012 Optimize a model with 3323 rows, 3047 columns and 12129 nonzeros Presolve removed 18 rows and 234 columns Presolve time: 0.01s Presolved: 3305 rows, 2813 columns, 11895 nonzeros Variable types: 0 continuous, 2813 integer (2813 binary) Root relaxation: objective 0.000000e+00, 365 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 (365 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 16:34:53 2012 Optimize a model with 1650 rows, 1535 columns and 5598 nonzeros Presolve removed 18 rows and 108 columns Presolve time: 0.01s Presolved: 1632 rows, 1427 columns, 5490 nonzeros Variable types: 0 continuous, 1427 integer (1427 binary) Root relaxation: objective 0.000000e+00, 347 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 (347 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 16:34:53 2012 Optimize a model with 933 rows, 887 columns and 2799 nonzeros Presolve removed 18 rows and 54 columns Presolve time: 0.00s Presolved: 915 rows, 833 columns, 2745 nonzeros Variable types: 0 continuous, 833 integer (833 binary) Root relaxation: objective 0.000000e+00, 360 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 (489 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 16:34:53 2012 Optimize a model with 455 rows, 455 columns and 933 nonzeros Presolve removed 455 rows and 455 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 16:34:53 2012 Optimize a model with 694 rows, 671 columns and 1866 nonzeros Presolve removed 222 rows and 243 columns Presolve time: 0.00s Presolved: 472 rows, 428 columns, 1416 nonzeros Variable types: 0 continuous, 428 integer (428 binary) Root relaxation: objective 0.000000e+00, 213 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 0 189 - 0.00000 - - 0s Explored 0 nodes (717 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