
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:29:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7092.37.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/grafo7092.37.lp
Reading time = 0.13 seconds
: 81669 rows, 1616 columns, 246128 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 81669 rows, 1616 columns and 246128 nonzeros
Model fingerprint: 0x2cbfe7b3
Variable types: 35 continuous, 1581 integer (1581 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 31353 rows and 3 columns
Presolve time: 0.47s
Presolved: 50316 rows, 1613 columns, 152396 nonzeros
Variable types: 0 continuous, 1613 integer (1578 binary)
Root relaxation presolved: 1610 rows, 51926 columns, 154009 nonzeros


Root relaxation: objective 4.100000e+01, 1674 iterations, 0.34 seconds (0.31 work units)

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

     0     0   41.00000    0  321          -   41.00000      -     -    4s
H    0     0                       7.0000000   41.00000   486%     -    5s
     0     0   41.00000    0  606    7.00000   41.00000   486%     -    9s
H    0     0                       8.0000000   41.00000   412%     -    9s
H    0     0                       9.0000000   41.00000   356%     -    9s
     0     0   41.00000    0  581    9.00000   41.00000   356%     -    9s
     0     0   41.00000    0  553    9.00000   41.00000   356%     -   19s
     0     0   41.00000    0  547    9.00000   41.00000   356%     -   19s
H    0     0                      10.0000000   41.00000   310%     -   30s
     0     0   41.00000    0  461   10.00000   41.00000   310%     -   30s
     0     0   41.00000    0  424   10.00000   41.00000   310%     -   30s
H    0     0                      11.0000000   41.00000   273%     -   39s
H    0     0                      12.0000000   41.00000   242%     -   39s
     0     0   41.00000    0  511   12.00000   41.00000   242%     -   39s
     0     0   41.00000    0  470   12.00000   41.00000   242%     -   40s
     0     0   41.00000    0  390   12.00000   41.00000   242%     -   50s

Cutting planes:
  Cover: 24
  Clique: 27
  MIR: 123
  StrongCG: 1
  Zero half: 38
  RLT: 74
  BQP: 1

Explored 1 nodes (61561 simplex iterations) in 50.04 seconds (60.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo7092.37.sol'

