
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:07:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7309.41.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/grafo7309.41.lp
Reading time = 0.20 seconds
: 124996 rows, 2921 columns, 377881 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 124996 rows, 2921 columns and 377881 nonzeros
Model fingerprint: 0xae500805
Variable types: 58 continuous, 2863 integer (2863 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 1.0000000
Presolve removed 24966 rows and 0 columns
Presolve time: 0.69s
Presolved: 100030 rows, 2921 columns, 303493 nonzeros
Variable types: 0 continuous, 2921 integer (2863 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2885 rows, 102915 columns, 306414 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18366    7.0940219e+01   0.000000e+00   1.060893e+05      5s
   36141    7.0909347e+01   0.000000e+00   3.947237e+04     10s
   52935    7.0897158e+01   0.000000e+00   1.629204e+04     15s
   70809    7.0889511e+01   0.000000e+00   1.967461e+04     20s
   89015    7.0884963e+01   0.000000e+00   2.664573e+03     25s
  106845    7.0882216e+01   0.000000e+00   3.640417e+03     30s
  125101    7.0880644e+01   0.000000e+00   1.209268e+03     35s
  142812    7.0880058e+01   0.000000e+00   2.606376e+01     40s
  147188    7.1000000e+01   0.000000e+00   0.000000e+00     41s
  147188    7.1000000e+01   0.000000e+00   0.000000e+00     41s
  147188    7.1000000e+01   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 7.100000e+01, 147188 iterations, 40.63 seconds (33.99 work units)

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

     0     0   71.00000    0 2035   10.00000   71.00000   610%     -   50s

Explored 1 nodes (150982 simplex iterations) in 50.03 seconds (43.84 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 7.100000000000e+01, gap 610.0000%

Wrote result file './lp_solutions/grafo7309.41.sol'

