
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:15:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10456.33.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/grafo10456.33.lp
Reading time = 0.24 seconds
: 148999 rows, 1278 columns, 447810 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 148999 rows, 1278 columns and 447810 nonzeros
Model fingerprint: 0xdcd0bae9
Variable types: 30 continuous, 1248 integer (1248 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 74344 rows and 10 columns
Presolve time: 1.04s
Presolved: 74655 rows, 1268 columns, 225095 nonzeros
Variable types: 0 continuous, 1268 integer (1238 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1265 rows, 75920 columns, 226363 nonzeros


Root relaxation: objective 2.900000e+01, 1454 iterations, 0.67 seconds (0.77 work units)

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

     0     0   29.00000    0  363    4.00000   29.00000   625%     -    4s
H    0     0                       8.0000000   29.00000   263%     -    4s
H    0     0                       9.0000000   29.00000   222%     -    4s
     0     0   29.00000    0  490    9.00000   29.00000   222%     -   10s
     0     0   29.00000    0  566    9.00000   29.00000   222%     -   12s
H    0     0                      10.0000000   29.00000   190%     -   16s
     0     0   29.00000    0  287   10.00000   29.00000   190%     -   22s
     0     0   29.00000    0  279   10.00000   29.00000   190%     -   23s
     0     0   29.00000    0  405   10.00000   29.00000   190%     -   31s
     0     0   29.00000    0  362   10.00000   29.00000   190%     -   32s
     0     0   29.00000    0  223   10.00000   29.00000   190%     -   37s
     0     0   29.00000    0  274   10.00000   29.00000   190%     -   39s
     0     0   29.00000    0  198   10.00000   29.00000   190%     -   46s
     0     0   29.00000    0  303   10.00000   29.00000   190%     -   47s
     0     0          -    0        10.00000   29.00000   190%     -   50s

Cutting planes:
  Cover: 27
  Clique: 14
  MIR: 79
  StrongCG: 1
  GUB cover: 1
  Zero half: 109
  RLT: 44
  BQP: 1

Explored 1 nodes (30518 simplex iterations) in 50.09 seconds (49.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 4 

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo10456.33.sol'

