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 191543 rows and 35384 columns. MIP Presolve modified 23946 coefficients. Aggregator did 1263 substitutions. Reduced MIP has 61719 rows, 11303 columns, and 244292 nonzeros. Presolve time = 4.76 sec. Clique table members: 10601. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.80 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2927.2222 177 -2927.2222 1566 * 0+ 0 -2918.0000 -2927.2222 1566 0.32% 0 0 -2926.0000 74 -2918.0000 Cuts: 348 1624 0.27% 0 0 -2926.0000 87 -2918.0000 Cuts: 41 1659 0.27% * 0+ 0 -2922.0000 -2926.0000 1659 0.14% * 0 0 integral 0 -2926.0000 Cuts: 7 1665 0.00% 0 0 cutoff -2926.0000 -2926.0000 1665 0.00% GUB cover cuts applied: 1 Clique cuts applied: 72 Implied bound cuts applied: 21 Zero-half cuts applied: 27 Gomory fractional cuts applied: 15 >>>>>>> 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 1613.0000. Tried aggregator 5 times. MIP Presolve eliminated 191531 rows and 35375 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1260 substitutions. Reduced MIP has 61734 rows, 11315 columns, and 247245 nonzeros. Presolve time = 4.65 sec. Clique table members: 10576. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.40 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 399.6572 694 1613.0000 399.6572 13518 75.22% 0 0 526.5000 26 1613.0000 Cuts: 468 13786 67.36% * 0 0 integral 0 530.0000 Cuts: 13 13792 0.00% 0 0 cutoff 530.0000 530.0000 13792 0.00% Elapsed time = 19.43 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 220 Cover cuts applied: 3 Implied bound cuts applied: 52 Zero-half cuts applied: 39 Gomory fractional cuts applied: 3 >>>>>>> Objval = 530.000000 (int)530 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 2288.0000. Presolve has eliminated 181905 rows and 34907 columns... Aggregator has done 1119 substitutions... Presolve has improved bounds 4 times... Tried aggregator 5 times. MIP Presolve eliminated 190969 rows and 35155 columns. MIP Presolve modified 23971 coefficients. Aggregator did 1208 substitutions. Reduced MIP has 62348 rows, 11587 columns, and 255428 nonzeros. Presolve time = 6.44 sec. Clique table members: 10409. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 14.79 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1794.5278 138 2288.0000 1794.5278 21024 21.57% 0 0 1907.0000 24 2288.0000 Cuts: 304 21760 16.65% 0 0 1926.5000 35 2288.0000 Cuts: 14 21782 15.80% * 0+ 0 1942.0000 1926.5000 21809 0.80% 0 0 cutoff 1942.0000 1926.5000 21809 0.80% Elapsed time = 23.82 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 140 Implied bound cuts applied: 9 Zero-half cuts applied: 11 Gomory fractional cuts applied: 7