
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:42:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3516.44.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/grafo3516.44.lp
Reading time = 0.29 seconds
: 176065 rows, 2983 columns, 530968 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 176065 rows, 2983 columns and 530968 nonzeros
Model fingerprint: 0xabd77d8e
Variable types: 56 continuous, 2927 integer (2927 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 53237 rows and 10 columns
Presolve time: 1.17s
Presolved: 122828 rows, 2973 columns, 371667 nonzeros
Variable types: 0 continuous, 2973 integer (2917 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2962 rows, 125790 columns, 374640 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18709    7.6944232e+01   0.000000e+00   3.657841e+05      5s
   36164    7.2815810e+01   0.000000e+00   1.131691e+05     10s
   52775    7.2741197e+01   0.000000e+00   6.335653e+04     15s
   70905    7.2716726e+01   0.000000e+00   6.205812e+03     20s
   88517    7.2704542e+01   0.000000e+00   1.052418e+05     25s
  106647    7.2699497e+01   0.000000e+00   4.218455e+03     30s
  124604    7.3000000e+01   0.000000e+00   0.000000e+00     35s
  124604    7.3000000e+01   0.000000e+00   0.000000e+00     35s
  124604    7.3000000e+01   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 7.300000e+01, 124604 iterations, 33.66 seconds (25.72 work units)

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

     0     0   73.00000    0 1860   10.00000   73.00000   630%     -   50s

Explored 1 nodes (131487 simplex iterations) in 50.04 seconds (42.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 7.300000000000e+01, gap 630.0000%

Wrote result file './lp_solutions/grafo3516.44.sol'

