
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:41:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1506.43.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/grafo1506.43.lp
Reading time = 0.11 seconds
: 67197 rows, 2088 columns, 203148 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 67197 rows, 2088 columns and 203148 nonzeros
Model fingerprint: 0x63adf066
Variable types: 42 continuous, 2046 integer (2046 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 13359 rows and 43 columns
Presolve time: 0.43s
Presolved: 53838 rows, 2045 columns, 163390 nonzeros
Variable types: 0 continuous, 2045 integer (2003 binary)
Root relaxation presolved: 30017 rows, 25866 columns, 115748 nonzeros


Root relaxation: objective 3.900000e+01, 1827 iterations, 0.61 seconds (0.54 work units)

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

     0     0   39.00000    0  363          -   39.00000      -     -    2s
H    0     0                      10.0000000   39.00000   290%     -    3s
     0     0   39.00000    0  570   10.00000   39.00000   290%     -    6s
H    0     0                      14.0000000   39.00000   179%     -    6s
H    0     0                      17.0000000   39.00000   129%     -    6s
     0     0   39.00000    0  568   17.00000   39.00000   129%     -    6s
     0     0   39.00000    0  495   17.00000   39.00000   129%     -   15s
     0     0   39.00000    0  475   17.00000   39.00000   129%     -   15s
     0     0   39.00000    0  422   17.00000   39.00000   129%     -   20s
     0     0   39.00000    0  410   17.00000   39.00000   129%     -   20s
     0     0   39.00000    0  380   17.00000   39.00000   129%     -   38s
     0     0   39.00000    0  403   17.00000   39.00000   129%     -   38s
     0     0   39.00000    0  443   17.00000   39.00000   129%     -   50s

Cutting planes:
  Cover: 26
  Clique: 10
  MIR: 131
  StrongCG: 3
  GUB cover: 5
  Inf proof: 3
  Zero half: 26
  RLT: 52
  BQP: 1

Explored 1 nodes (63316 simplex iterations) in 50.09 seconds (50.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 17 14 10 

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo1506.43.sol'

