
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:14:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5517.37.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/grafo5517.37.lp
Reading time = 0.12 seconds
: 74767 rows, 1466 columns, 225243 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 74767 rows, 1466 columns and 225243 nonzeros
Model fingerprint: 0x7d8bca65
Variable types: 34 continuous, 1432 integer (1432 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]
Found heuristic solution: objective 1.0000000
Presolve removed 26060 rows and 18 columns
Presolve time: 0.53s
Presolved: 48707 rows, 1448 columns, 147286 nonzeros
Variable types: 0 continuous, 1448 integer (1414 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1448 rows, 50155 columns, 148734 nonzeros


Root relaxation: objective 2.800000e+01, 1270 iterations, 0.31 seconds (0.31 work units)

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

     0     0   28.00000    0  228    6.00000   28.00000   367%     -    3s
H    0     0                       7.0000000   28.00000   300%     -    3s
H    0     0                       8.0000000   28.00000   250%     -    3s
     0     0   28.00000    0  472    8.00000   28.00000   250%     -    6s
     0     0   28.00000    0  477    8.00000   28.00000   250%     -    6s
H    0     0                      10.0000000   28.00000   180%     -   22s
     0     0   28.00000    0  314   10.00000   28.00000   180%     -   22s
     0     0   28.00000    0  311   10.00000   28.00000   180%     -   23s
     0     0   28.00000    0  297   10.00000   28.00000   180%     -   28s
     0     0   28.00000    0  262   10.00000   28.00000   180%     -   29s
     0     0   28.00000    0  223   10.00000   28.00000   180%     -   33s
     0     0   28.00000    0  235   10.00000   28.00000   180%     -   33s
     0     0   28.00000    0  305   10.00000   28.00000   180%     -   38s
     0     0   28.00000    0  297   10.00000   28.00000   180%     -   38s
     0     0   28.00000    0  342   10.00000   28.00000   180%     -   43s
     0     0   28.00000    0  290   10.00000   28.00000   180%     -   45s

Cutting planes:
  Cover: 2
  Clique: 5
  MIR: 11
  RLT: 5
  BQP: 1

Explored 1 nodes (48666 simplex iterations) in 50.03 seconds (47.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 8 7 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 2.800000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo5517.37.sol'

