
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:49:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11473.37.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/grafo11473.37.lp
Reading time = 0.07 seconds
: 42173 rows, 1507 columns, 127512 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 42173 rows, 1507 columns and 127512 nonzeros
Model fingerprint: 0x5ef8c13a
Variable types: 35 continuous, 1472 integer (1472 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 8556 rows and 27 columns
Presolve time: 0.30s
Presolved: 33617 rows, 1480 columns, 102241 nonzeros
Variable types: 0 continuous, 1480 integer (1445 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 19302 rows, 15795 columns, 73611 nonzeros


Root relaxation: objective 2.900000e+01, 2921 iterations, 1.26 seconds (1.12 work units)

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

     0     0   29.00000    0  376    3.00000   29.00000   867%     -    4s
H    0     0                       6.0000000   29.00000   383%     -    4s
H    0     0                       7.0000000   29.00000   314%     -    4s
     0     0   29.00000    0  498    7.00000   29.00000   314%     -    7s
H    0     0                       8.0000000   29.00000   262%     -    7s
     0     0   29.00000    0  494    8.00000   29.00000   262%     -    7s
H    0     0                      10.0000000   29.00000   190%     -   28s
     0     0   29.00000    0  361   10.00000   29.00000   190%     -   28s
     0     0   29.00000    0  358   10.00000   29.00000   190%     -   28s
H    0     0                      11.0000000   29.00000   164%     -   34s
     0     0   29.00000    0  273   11.00000   29.00000   164%     -   34s
     0     0   29.00000    0  313   11.00000   29.00000   164%     -   35s
     0     0   29.00000    0  341   11.00000   29.00000   164%     -   39s
     0     0   29.00000    0  343   11.00000   29.00000   164%     -   39s
H    0     0                      12.0000000   29.00000   142%     -   47s
     0     0   29.00000    0  235   12.00000   29.00000   142%     -   47s
     0     0   29.00000    0  328   12.00000   29.00000   142%     -   47s
     0     0   29.00000    0  450   12.00000   29.00000   142%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 25
  Clique: 7
  MIR: 96
  StrongCG: 2
  GUB cover: 1
  Inf proof: 1
  Zero half: 44
  RLT: 43

Explored 1 nodes (78077 simplex iterations) in 50.03 seconds (44.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo11473.37.sol'

