
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:41:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6517.35.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/grafo6517.35.lp
Reading time = 0.12 seconds
: 75113 rows, 1986 columns, 227133 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 75113 rows, 1986 columns and 227133 nonzeros
Model fingerprint: 0xdceb0606
Variable types: 46 continuous, 1940 integer (1940 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 2.0000000
Presolve removed 18709 rows and 24 columns
Presolve time: 0.53s
Presolved: 56404 rows, 1962 columns, 171481 nonzeros
Variable types: 0 continuous, 1962 integer (1916 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1956 rows, 58360 columns, 173443 nonzeros


Root relaxation: objective 5.000000e+01, 1888 iterations, 0.42 seconds (0.41 work units)

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

     0     0   50.00000    0  518    7.00000   50.00000   614%     -    3s
H    0     0                      10.0000000   50.00000   400%     -    5s
     0     0   50.00000    0  812   10.00000   50.00000   400%     -   16s
     0     0   50.00000    0  760   10.00000   50.00000   400%     -   16s
H    0     0                      12.0000000   50.00000   317%     -   42s
     0     0   50.00000    0  844   12.00000   50.00000   317%     -   42s
     0     0   50.00000    0  804   12.00000   50.00000   317%     -   44s
     0     0          -    0        12.00000   50.00000   317%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 13
  Clique: 7
  MIR: 151
  Zero half: 92
  RLT: 66

Explored 1 nodes (38068 simplex iterations) in 50.06 seconds (40.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 10 7 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 5.000000000000e+01, gap 316.6667%

Wrote result file './lp_solutions/grafo6517.35.sol'

