
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:40:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2195.35.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/grafo2195.35.lp
Reading time = 0.10 seconds
: 57056 rows, 1676 columns, 172492 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 57056 rows, 1676 columns and 172492 nonzeros
Model fingerprint: 0x20ee0298
Variable types: 40 continuous, 1636 integer (1636 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 15496 rows and 19 columns
Presolve time: 0.40s
Presolved: 41560 rows, 1657 columns, 126343 nonzeros
Variable types: 0 continuous, 1657 integer (1617 binary)
Root relaxation presolved: 25135 rows, 18082 columns, 93493 nonzeros


Root relaxation: objective 4.500000e+01, 2465 iterations, 1.06 seconds (0.94 work units)

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

     0     0   45.00000    0  452          -   45.00000      -     -    4s
H    0     0                       6.0000000   45.00000   650%     -    5s
     0     0   45.00000    0  767    6.00000   45.00000   650%     -   10s
H    0     0                       7.0000000   45.00000   543%     -   10s
     0     0   45.00000    0  747    7.00000   45.00000   543%     -   11s
H    0     0                       9.0000000   45.00000   400%     -   35s
H    0     0                      11.0000000   45.00000   309%     -   35s
H    0     0                      12.0000000   45.00000   275%     -   35s
H    0     0                      14.0000000   45.00000   221%     -   35s
H    0     0                      15.0000000   45.00000   200%     -   35s
H    0     0                      16.0000000   45.00000   181%     -   35s
     0     0   45.00000    0  663   16.00000   45.00000   181%     -   35s
     0     0   45.00000    0  633   16.00000   45.00000   181%     -   36s
     0     0   45.00000    0  742   16.00000   45.00000   181%     -   50s

Cutting planes:
  Cover: 30
  Clique: 11
  MIR: 174
  StrongCG: 1
  GUB cover: 1
  Zero half: 61
  RLT: 75
  PSD: 1

Explored 1 nodes (49107 simplex iterations) in 50.04 seconds (41.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 6

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo2195.35.sol'

