
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:08:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4061.39.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/grafo4061.39.lp
Reading time = 0.11 seconds
: 70134 rows, 1861 columns, 211815 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 70134 rows, 1861 columns and 211815 nonzeros
Model fingerprint: 0x21d7ff98
Variable types: 41 continuous, 1820 integer (1820 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 17250 rows and 33 columns
Presolve time: 0.50s
Presolved: 52884 rows, 1828 columns, 160293 nonzeros
Variable types: 0 continuous, 1828 integer (1787 binary)
Root relaxation presolved: 1828 rows, 54712 columns, 162121 nonzeros


Root relaxation: objective 4.000000e+01, 1818 iterations, 0.44 seconds (0.39 work units)

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

     0     0   40.00000    0  437          -   40.00000      -     -    3s
H    0     0                       8.0000000   40.00000   400%     -    3s
H    0     0                       9.0000000   40.00000   344%     -   11s
     0     0   40.00000    0  677    9.00000   40.00000   344%     -   11s
H    0     0                      12.0000000   40.00000   233%     -   12s
     0     0   40.00000    0  645   12.00000   40.00000   233%     -   12s
H    0     0                      13.0000000   40.00000   208%     -   28s
     0     0   40.00000    0  461   13.00000   40.00000   208%     -   28s
     0     0   40.00000    0  473   13.00000   40.00000   208%     -   29s
H    0     0                      14.0000000   40.00000   186%     -   50s
     0     0   40.00000    0  553   14.00000   40.00000   186%     -   50s

Cutting planes:
  Clique: 7
  MIR: 6
  RLT: 14

Explored 1 nodes (52332 simplex iterations) in 50.12 seconds (50.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 12 ... 8

Time limit reached
Best objective 1.400000000000e+01, best bound 4.000000000000e+01, gap 185.7143%

Wrote result file './lp_solutions/grafo4061.39.sol'

