
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:21:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1035.37.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/grafo1035.37.lp
Reading time = 0.33 seconds
: 196701 rows, 2223 columns, 592158 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 196701 rows, 2223 columns and 592158 nonzeros
Model fingerprint: 0xf155f45e
Variable types: 48 continuous, 2175 integer (2175 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, 5e+01]
Presolve removed 78811 rows and 23 columns
Presolve time: 1.57s
Presolved: 117890 rows, 2200 columns, 356133 nonzeros
Variable types: 0 continuous, 2200 integer (2152 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2194 rows, 120084 columns, 358333 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   21109    4.8974569e+01   0.000000e+00   4.230329e+04      5s
   45554    4.8939214e+01   0.000000e+00   1.936027e+04     10s
   69104    4.8932892e+01   0.000000e+00   1.004505e+04     15s
   93272    4.8930693e+01   0.000000e+00   2.303972e+02     20s
  109485    4.9000000e+01   0.000000e+00   0.000000e+00     23s
  109485    4.9000000e+01   0.000000e+00   0.000000e+00     23s
  109485    4.9000000e+01   0.000000e+00   0.000000e+00     23s

Root relaxation: objective 4.900000e+01, 109485 iterations, 21.55 seconds (17.11 work units)
Total elapsed time = 48.84s (DegenMoves)

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

     0     0   49.00000    0  821    5.00000   49.00000   880%     -   50s

Explored 1 nodes (125329 simplex iterations) in 50.06 seconds (46.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.900000000000e+01, gap 880.0000%

Wrote result file './lp_solutions/grafo1035.37.sol'

