
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:53:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5408.37.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/grafo5408.37.lp
Reading time = 0.56 seconds
: 343557 rows, 2760 columns, 1033485 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 343557 rows, 2760 columns and 1033485 nonzeros
Model fingerprint: 0xffce0c8b
Variable types: 54 continuous, 2706 integer (2706 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]
Found heuristic solution: objective 1.0000000
Presolve removed 150196 rows and 6 columns
Presolve time: 2.42s
Presolved: 193361 rows, 2754 columns, 583287 nonzeros
Variable types: 0 continuous, 2754 integer (2700 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2742 rows, 196103 columns, 586041 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13228    1.5677361e+02   0.000000e+00   1.013451e+06      5s
   35042    8.0996655e+01   0.000000e+00   4.890973e+05     10s
   53735    6.7892692e+01   0.000000e+00   1.130780e+05     15s
   71420    6.7840227e+01   0.000000e+00   2.041403e+04     20s
   90473    6.7818821e+01   0.000000e+00   4.416984e+04     25s
  110365    6.7809087e+01   0.000000e+00   1.134896e+04     30s
  128613    6.7805194e+01   0.000000e+00   6.376514e+02     35s
  147662    6.7803997e+01   0.000000e+00   1.146225e+01     40s
  150613    6.8000000e+01   0.000000e+00   0.000000e+00     41s
  150613    6.8000000e+01   0.000000e+00   0.000000e+00     41s
  150613    6.8000000e+01   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 6.800000e+01, 150613 iterations, 38.25 seconds (27.87 work units)

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

     0     0   68.00000    0 1650   10.00000   68.00000   580%     -   50s

Explored 1 nodes (154167 simplex iterations) in 50.06 seconds (40.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 6.800000000000e+01, gap 580.0000%

Wrote result file './lp_solutions/grafo5408.37.sol'

