Set parameter Username Set parameter LogFile to value "serenity.log" Academic license - for non-commercial use only - expires 2022-02-07 Using license file /home/burkardt/gurobi.lic Gurobi Optimizer version 9.5.0 build v9.5.0rc5 (linux64) Copyright (c) 2021, Gurobi Optimization, LLC Read LP format model from file serenity.lp Reading time = 0.01 seconds : 296 rows, 876 columns, 32412 nonzeros Thread count: 4 physical cores, 8 logical processors, using up to 8 threads Optimize a model with 296 rows, 876 columns and 32412 nonzeros Model fingerprint: 0x892654a5 Variable types: 0 continuous, 876 integer (876 binary) Coefficient statistics: Matrix range [1e+00, 1e+00] Objective range [0e+00, 0e+00] Bounds range [1e+00, 1e+00] RHS range [1e+00, 1e+00] Presolve removed 296 rows and 876 columns Presolve time: 0.02s Presolve: All rows and columns removed Explored 0 nodes (0 simplex iterations) in 0.03 seconds (0.03 work units) Thread count was 1 (of 8 available processors) Solution count 1: -0 No other solutions better than -0 Optimal solution found (tolerance 1.00e-04) Best objective -0.000000000000e+00, best bound -0.000000000000e+00, gap 0.0000% Wrote result file 'serenity.sol'