
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:37:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4076.48.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo4076.48.lp
Reading time = 0.64 seconds
: 324622 rows, 3304 columns, 976913 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 324622 rows, 3304 columns and 976913 nonzeros
Model fingerprint: 0x9db03288
Variable types: 57 continuous, 3247 integer (3247 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 6e+01]
Presolve removed 125146 rows and 12 columns
Presolve time: 2.84s
Presolved: 199476 rows, 3292 columns, 601974 nonzeros
Variable types: 0 continuous, 3292 integer (3235 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 3283 rows, 202759 columns, 605266 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5239    1.7102100e+02   0.000000e+00   1.767852e+06      5s
   23922    8.3307536e+01   0.000000e+00   1.449007e+05     10s
   36238    6.9946962e+01   0.000000e+00   3.530654e+05     15s
   48064    6.6865293e+01   0.000000e+00   4.071505e+05     20s
   60614    6.5801170e+01   0.000000e+00   1.162493e+05     25s
   73095    6.5762835e+01   0.000000e+00   8.068868e+04     30s
   84795    6.5745456e+01   0.000000e+00   2.907133e+04     35s
   96495    6.5735458e+01   0.000000e+00   2.625740e+04     40s
  108195    6.5729325e+01   0.000000e+00   1.427675e+04     45s
  119895    6.5725423e+01   0.000000e+00   3.316817e+03     50s

Root relaxation: time limit, 119895 iterations, 46.58 seconds (27.92 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0          -    0         6.00000  380.00000  6233%     -   50s

Explored 1 nodes (119895 simplex iterations) in 50.04 seconds (30.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 3.800000000000e+02, gap 6233.3333%

Wrote result file './lp_solutions/grafo4076.48.sol'

