
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:33:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7306.36.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/grafo7306.36.lp
Reading time = 0.12 seconds
: 74256 rows, 1810 columns, 224244 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 74256 rows, 1810 columns and 224244 nonzeros
Model fingerprint: 0xa1eb2aee
Variable types: 41 continuous, 1769 integer (1769 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 22951 rows and 46 columns
Presolve time: 0.55s
Presolved: 51305 rows, 1764 columns, 155745 nonzeros
Variable types: 0 continuous, 1764 integer (1723 binary)
Root relaxation presolved: 1764 rows, 53069 columns, 157509 nonzeros


Root relaxation: objective 4.200000e+01, 2723 iterations, 0.79 seconds (0.86 work units)
Total elapsed time = 8.18s (DegenMoves)

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

     0     0   42.00000    0  556          -   42.00000      -     -    8s
H    0     0                       5.0000000   42.00000   740%     -   11s
     0     0   42.00000    0  861    5.00000   42.00000   740%     -   22s
H    0     0                       7.0000000   42.00000   500%     -   22s
H    0     0                       9.0000000   42.00000   367%     -   22s
     0     0   42.00000    0  854    9.00000   42.00000   367%     -   23s
     0     0   42.00000    0  455    9.00000   42.00000   367%     -   37s
     0     0   42.00000    0  474    9.00000   42.00000   367%     -   38s
     0     0   42.00000    0  682    9.00000   42.00000   367%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 32
  Clique: 18
  MIR: 109
  GUB cover: 6
  Zero half: 67
  RLT: 58
  BQP: 2

Explored 1 nodes (45037 simplex iterations) in 50.07 seconds (43.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 7 5 

Time limit reached
Best objective 9.000000000000e+00, best bound 4.200000000000e+01, gap 366.6667%

Wrote result file './lp_solutions/grafo7306.36.sol'

