
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:45:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5432.47.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/grafo5432.47.lp
Reading time = 0.34 seconds
: 199806 rows, 3464 columns, 602797 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 199806 rows, 3464 columns and 602797 nonzeros
Model fingerprint: 0xfad8dd8b
Variable types: 61 continuous, 3403 integer (3403 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 55888 rows and 0 columns
Presolve time: 1.50s
Presolved: 143918 rows, 3464 columns, 435667 nonzeros
Variable types: 0 continuous, 3464 integer (3403 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 3437 rows, 147355 columns, 439131 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12745    8.4917597e+01   0.000000e+00   1.364493e+06      5s
   23659    7.4411358e+01   0.000000e+00   7.990684e+05     10s
   33660    7.2685541e+01   0.000000e+00   1.060269e+05     15s
   44937    7.2640635e+01   0.000000e+00   3.937030e+04     20s
   56697    7.2616659e+01   0.000000e+00   3.397437e+04     25s
   67897    7.2603413e+01   0.000000e+00   1.194604e+04     30s
   78537    7.2596173e+01   0.000000e+00   3.932853e+03     35s
   91417    7.2589694e+01   0.000000e+00   3.876745e+04     40s
  103737    7.2586097e+01   0.000000e+00   4.456949e+03     45s

Root relaxation: time limit, 113977 iterations, 48.30 seconds (30.13 work units)

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

     0     0          -    0        12.00000  344.00000  2767%     -   50s

Explored 1 nodes (113977 simplex iterations) in 50.03 seconds (31.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.440000000000e+02, gap 2766.6667%

Wrote result file './lp_solutions/grafo5432.47.sol'

