
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:06:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3643.36.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/grafo3643.36.lp
Reading time = 0.13 seconds
: 80292 rows, 1657 columns, 242118 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 80292 rows, 1657 columns and 242118 nonzeros
Model fingerprint: 0x4586c4cd
Variable types: 38 continuous, 1619 integer (1619 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]
Found heuristic solution: objective 1.0000000
Presolve removed 26981 rows and 24 columns
Presolve time: 0.70s
Presolved: 53311 rows, 1633 columns, 161551 nonzeros
Variable types: 0 continuous, 1633 integer (1595 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1633 rows, 54944 columns, 163184 nonzeros


Root relaxation: objective 3.500000e+01, 2145 iterations, 0.58 seconds (0.70 work units)
Total elapsed time = 6.52s (DegenMoves)

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

     0     0   35.00000    0  410    6.00000   35.00000   483%     -    7s
H    0     0                       7.0000000   35.00000   400%     -    7s
H    0     0                       8.0000000   35.00000   337%     -    9s
     0     0   35.00000    0  647    8.00000   35.00000   337%     -   14s
     0     0   35.00000    0  585    8.00000   35.00000   337%     -   16s
H    0     0                       9.0000000   35.00000   289%     -   29s
H    0     0                      10.0000000   35.00000   250%     -   29s
     0     0   35.00000    0  358   10.00000   35.00000   250%     -   29s
     0     0   35.00000    0  342   10.00000   35.00000   250%     -   30s
     0     0   35.00000    0  412   10.00000   35.00000   250%     -   43s
     0     0   35.00000    0  349   10.00000   35.00000   250%     -   43s
     0     0   35.00000    0  515   10.00000   35.00000   250%     -   50s

Cutting planes:
  Cover: 29
  Clique: 8
  MIR: 122
  StrongCG: 1
  GUB cover: 5
  Zero half: 54
  RLT: 59
  BQP: 2

Explored 1 nodes (49504 simplex iterations) in 50.06 seconds (48.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo3643.36.sol'

