
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:11:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6393.43.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/grafo6393.43.lp
Reading time = 0.68 seconds
: 271648 rows, 3319 columns, 818365 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 271648 rows, 3319 columns and 818365 nonzeros
Model fingerprint: 0x7852b686
Variable types: 61 continuous, 3258 integer (3258 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]
Found heuristic solution: objective 2.0000000
Presolve removed 95923 rows and 22 columns
Presolve time: 2.44s
Presolved: 175725 rows, 3297 columns, 531100 nonzeros
Variable types: 0 continuous, 3297 integer (3236 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3291 rows, 179016 columns, 534397 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8786    1.5223129e+02   0.000000e+00   8.680300e+05      5s
   26439    9.2111494e+01   0.000000e+00   1.064827e+06     10s
   39136    7.3713041e+01   0.000000e+00   5.641700e+05     15s
   51479    6.8654748e+01   0.000000e+00   3.384336e+05     20s
   62536    6.8609042e+01   0.000000e+00   3.001109e+05     25s
   74489    6.8568131e+01   0.000000e+00   7.854223e+04     30s
   85020    6.8544912e+01   0.000000e+00   2.567986e+04     35s
   96954    6.8528839e+01   0.000000e+00   2.931974e+04     40s
  108186    6.8521495e+01   0.000000e+00   1.694558e+04     45s

Root relaxation: time limit, 118773 iterations, 47.22 seconds (28.23 work units)

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

     0     0          -    0        10.00000  374.00000  3640%     -   50s

Explored 1 nodes (118773 simplex iterations) in 50.02 seconds (30.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.740000000000e+02, gap 3640.0000%

Wrote result file './lp_solutions/grafo6393.43.sol'

