Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 6 times. MIP Presolve eliminated 149415 rows and 29439 columns. MIP Presolve modified 1393 coefficients. Aggregator did 1764 substitutions. Reduced MIP has 1003 rows, 573 columns, and 2540 nonzeros. Presolve time = 0.30 sec. Clique table members: 603. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -1143.0000 27 -1143.0000 69 * 0+ 0 -1143.0000 -1143.0000 69 0.00% 0 0 cutoff -1143.0000 -1143.0000 69 0.00% >>>>>>> Objval = -1143.000000 (int)-1143 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 1352.0000. Tried aggregator 7 times. MIP Presolve eliminated 149853 rows and 29653 columns. MIP Presolve modified 768 coefficients. Aggregator did 1835 substitutions. Reduced MIP has 494 rows, 288 columns, and 1300 nonzeros. Presolve time = 0.31 sec. Clique table members: 287. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = -0.00 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -628.6250 52 1352.0000 -628.6250 71 146.50% * 0+ 0 -614.0000 -628.6250 71 2.38% 0 0 cutoff -614.0000 Cuts: 11 106 0.00% 0 0 cutoff -614.0000 -614.0000 106 0.00% Cover cuts applied: 1 Zero-half cuts applied: 3 Gomory fractional cuts applied: 1