
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:23:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5360.36.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/grafo5360.36.lp
Reading time = 0.12 seconds
: 71188 rows, 1578 columns, 214715 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 71188 rows, 1578 columns and 214715 nonzeros
Model fingerprint: 0x826baa7a
Variable types: 37 continuous, 1541 integer (1541 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 23074 rows and 20 columns
Presolve time: 0.50s
Presolved: 48114 rows, 1558 columns, 145796 nonzeros
Variable types: 0 continuous, 1558 integer (1521 binary)
Root relaxation presolved: 1558 rows, 49672 columns, 147354 nonzeros


Root relaxation: objective 3.300000e+01, 1411 iterations, 0.29 seconds (0.27 work units)

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

     0     0   33.00000    0  217          -   33.00000      -     -    2s
H    0     0                       7.0000000   33.00000   371%     -    2s
H    0     0                       8.0000000   33.00000   313%     -    2s
H    0     0                       9.0000000   33.00000   267%     -    3s
     0     0   32.66667    0  534    9.00000   32.66667   263%     -    6s
H    0     0                      10.0000000   32.66667   227%     -    6s
     0     0   32.00000    0  531   10.00000   32.00000   220%     -    6s
H    0     0                      11.0000000   32.00000   191%     -   35s
H    0     0                      12.0000000   32.00000   167%     -   35s
H    0     0                      13.0000000   32.00000   146%     -   35s
     0     0   32.00000    0  457   13.00000   32.00000   146%     -   35s
     0     0   32.00000    0  452   13.00000   32.00000   146%     -   35s
     0     0   32.00000    0  459   13.00000   32.00000   146%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 20
  Clique: 21
  MIR: 99
  StrongCG: 1
  Zero half: 25
  RLT: 50
  BQP: 2

Explored 1 nodes (43222 simplex iterations) in 50.06 seconds (42.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.200000000000e+01, gap 146.1538%

Wrote result file './lp_solutions/grafo5360.36.sol'

