
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:43:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3360.43.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/grafo3360.43.lp
Reading time = 0.97 seconds
: 473129 rows, 2988 columns, 1422224 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 473129 rows, 2988 columns and 1422224 nonzeros
Model fingerprint: 0x2021ac8d
Variable types: 55 continuous, 2933 integer (2933 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]
Presolve removed 213221 rows and 13 columns
Presolve time: 4.07s
Presolved: 259908 rows, 2975 columns, 782919 nonzeros
Variable types: 0 continuous, 2975 integer (2920 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2967 rows, 262875 columns, 785894 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    8.1704000e+02   0.000000e+00   1.213853e+06      6s
   20933    1.3739228e+02   0.000000e+00   6.351840e+05     10s
   40293    1.0767786e+02   0.000000e+00   1.511412e+05     16s
   51538    9.0971351e+01   0.000000e+00   6.851035e+05     20s
   66141    7.3884696e+01   0.000000e+00   5.853279e+05     25s
   79748    6.9828323e+01   0.000000e+00   2.039464e+06     30s
   92684    6.6795876e+01   0.000000e+00   6.344455e+04     35s
  105561    6.6772942e+01   0.000000e+00   3.960361e+04     40s
  118437    6.6759641e+01   0.000000e+00   1.758103e+04     45s

Root relaxation: time limit, 130740 iterations, 45.13 seconds (26.23 work units)

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

     0     0          -    0        10.00000  400.00000  3900%     -   50s

Explored 1 nodes (130740 simplex iterations) in 50.06 seconds (30.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.000000000000e+02, gap 3900.0000%

Wrote result file './lp_solutions/grafo3360.43.sol'

