Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 7 times. MIP Presolve eliminated 199316 rows and 35545 columns. MIP Presolve modified 26454 coefficients. Aggregator did 1300 substitutions. Reduced MIP has 53908 rows, 11105 columns, and 218873 nonzeros. Presolve time = 4.61 sec. Clique table members: 9079. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.47 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2927.7222 293 -2927.7222 1338 * 0+ 0 -2919.0000 -2927.7222 1338 0.30% 0 0 -2926.0000 36 -2919.0000 Cuts: 389 1485 0.24% * 0+ 0 -2925.0000 -2926.0000 1485 0.03% * 0 0 integral 0 -2926.0000 ZeroHalf: 5 1486 0.00% 0 0 cutoff -2926.0000 -2926.0000 1486 0.00% GUB cover cuts applied: 1 Clique cuts applied: 128 Cover cuts applied: 1 Implied bound cuts applied: 25 Zero-half cuts applied: 35 Gomory fractional cuts applied: 16 >>>>>>> Objval = -2926.000000 (int)-2926 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 1564.0000. Tried aggregator 8 times. MIP Presolve eliminated 199217 rows and 35529 columns. MIP Presolve modified 25753 coefficients. Aggregator did 1302 substitutions. Reduced MIP has 54006 rows, 11119 columns, and 222116 nonzeros. Presolve time = 4.77 sec. Clique table members: 9058. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 8.15 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 365.9883 680 1564.0000 365.9883 12735 76.60% 0 0 421.8333 54 1564.0000 Cuts: 579 12820 73.03% * 0 0 integral 0 425.0000 Cuts: 22 12827 0.00% 0 0 cutoff 425.0000 425.0000 12827 0.00% Elapsed time = 14.77 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 239 Cover cuts applied: 4 Implied bound cuts applied: 92 Zero-half cuts applied: 50 Gomory fractional cuts applied: 7 >>>>>>> Objval = 425.000000 (int)425 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 2411.0000. Presolve has eliminated 190638 rows and 35132 columns... Aggregator has done 1237 substitutions... Tried aggregator 7 times. MIP Presolve eliminated 198798 rows and 35306 columns. MIP Presolve modified 26200 coefficients. Aggregator did 1245 substitutions. Reduced MIP has 54482 rows, 11399 columns, and 229733 nonzeros. Presolve time = 5.80 sec. Clique table members: 8817. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.00 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1982.0556 189 2411.0000 1982.0556 21822 17.79% 0 0 2059.0000 47 2411.0000 Cuts: 345 22152 14.60% * 0 0 integral 0 2095.0000 Cuts: 24 22251 0.00% 0 0 cutoff 2095.0000 2095.0000 22251 0.00% Elapsed time = 19.76 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 136 Cover cuts applied: 1 Implied bound cuts applied: 19 Zero-half cuts applied: 8 Gomory fractional cuts applied: 5