
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:56:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2362.36.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/grafo2362.36.lp
Reading time = 0.42 seconds
: 252971 rows, 2417 columns, 761266 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 252971 rows, 2417 columns and 761266 nonzeros
Model fingerprint: 0x463e6cb5
Variable types: 51 continuous, 2366 integer (2366 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 115640 rows and 31 columns
Presolve time: 2.04s
Presolved: 137331 rows, 2386 columns, 414906 nonzeros
Variable types: 0 continuous, 2386 integer (2335 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 2383 rows, 139714 columns, 417292 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17191    6.4605641e+01   0.000000e+00   2.145187e+05      5s
   39033    5.8791430e+01   0.000000e+00   3.293142e+04     10s
   61664    5.8744972e+01   0.000000e+00   9.746178e+04     15s
   84920    5.8733687e+01   0.000000e+00   5.666874e+02     20s
  102245    5.9000000e+01   0.000000e+00   0.000000e+00     24s
  102245    5.9000000e+01   0.000000e+00   0.000000e+00     24s
  102245    5.9000000e+01   0.000000e+00   0.000000e+00     24s

Root relaxation: objective 5.900000e+01, 102245 iterations, 21.66 seconds (15.63 work units)
Total elapsed time = 46.18s (DegenMoves)

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

     0     0   59.00000    0  600    6.00000   59.00000   883%     -   50s

Explored 1 nodes (116705 simplex iterations) in 50.05 seconds (47.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 5.900000000000e+01, gap 883.3333%

Wrote result file './lp_solutions/grafo2362.36.sol'

