Running HiGHS 1.8.0 (git hash: fcfb53414): Copyright (c) 2024 HiGHS under MIT licence terms LP test has 531 rows; 58 cols; 4311 nonzeros Coefficient ranges: Matrix [1e+00, 1e+00] Cost [1e+03, 9e+03] Bound [0e+00, 0e+00] RHS [1e+00, 3e+00] Presolving model 338 rows, 58 cols, 4289 nonzeros 0s 149 rows, 58 cols, 2719 nonzeros 0s 149 rows, 58 cols, 2719 nonzeros 0s Presolve : Reductions: rows 149(-382); columns 58(-0); elements 2719(-1592) Solving the presolved LP Using EKK dual simplex solver - serial Iteration Objective Infeasibilities num(sum) 0 -2.2985354759e+05 Ph1: 149(2521); Du: 53(229854) 0s 34 -1.5981442383e+04 Pr: 0(0) 0s 34 -1.5981442383e+04 Pr: 0(0) 0s Solving the original LP from the solution after postsolve Using EKK dual simplex solver - serial Iteration Objective Infeasibilities num(sum) 34 0.0000000000e+00 Ph1: 0(0) 0s 37 -1.5981442383e+04 Pr: 0(0); Du: 1(0.007813) 0s 37 -1.5981442383e+04 Pr: 0(0); Du: 1(0.007813) 0s Model status : Unknown Simplex iterations: 37 Objective value : -1.5981442383e+04 HiGHS run time : 0.00