Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191913 rows and 35397 columns. MIP Presolve modified 24833 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61125 rows, 11291 columns, and 242527 nonzeros. Presolve time = 4.44 sec. Clique table members: 9997. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.65 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2925.5556 338 -2925.5556 2148 * 0+ 0 -2913.0000 -2925.5556 2148 0.43% 0 0 -2919.0000 115 -2913.0000 Cuts: 460 2326 0.21% * 0+ 0 -2919.0000 -2919.0000 2326 0.00% 0 0 cutoff -2919.0000 -2919.0000 2326 0.00% GUB cover cuts applied: 2 Clique cuts applied: 132 Cover cuts applied: 1 Implied bound cuts applied: 24 Zero-half cuts applied: 30 Gomory fractional cuts applied: 12 >>>>>>> Objval = -2919.000000 (int)-2919 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1561.0000. Tried aggregator 5 times. MIP Presolve eliminated 191901 rows and 35388 columns. MIP Presolve modified 24833 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61140 rows, 11303 columns, and 245469 nonzeros. Presolve time = 4.45 sec. Clique table members: 9972. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.82 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 194.0195 310 1561.0000 194.0195 12661 87.57% 0 0 427.5000 20 1561.0000 Cuts: 721 13361 72.61% * 0+ 0 430.0000 427.5000 13361 0.58% 0 0 cutoff 430.0000 Cuts: 10 13366 0.00% 0 0 cutoff 430.0000 430.0000 13366 0.00% Elapsed time = 16.54 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 384 Cover cuts applied: 3 Implied bound cuts applied: 85 Zero-half cuts applied: 55 Gomory fractional cuts applied: 4 >>>>>>> Objval = 430.000000 (int)430 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2366.0000. Tried aggregator 5 times. Presolve has eliminated 191341 rows and 35169 columns... Aggregator has done 1207 substitutions... Presolve has improved bounds 6 times... MIP Presolve eliminated 191341 rows and 35169 columns. MIP Presolve modified 24858 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 61752 rows, 11574 columns, and 253645 nonzeros. Presolve time = 5.12 sec. Clique table members: 9803. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.58 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1854.6806 354 2366.0000 1854.6806 20017 21.61% 0 0 2032.3750 54 2366.0000 Cuts: 270 21575 14.10% 0 0 2051.6667 63 2366.0000 Cuts: 57 21609 13.29% * 0+ 0 2061.0000 2051.6667 21611 0.45% 0 0 cutoff 2061.0000 2051.6667 21611 0.45% Elapsed time = 21.02 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 150 Cover cuts applied: 1 Implied bound cuts applied: 23 Zero-half cuts applied: 16 Gomory fractional cuts applied: 9