
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:47:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5970.36.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/grafo5970.36.lp
Reading time = 0.09 seconds
: 50886 rows, 1670 columns, 153924 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 50886 rows, 1670 columns and 153924 nonzeros
Model fingerprint: 0x3f9eed45
Variable types: 40 continuous, 1630 integer (1630 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 -0.0000000
Presolve removed 10281 rows and 27 columns
Presolve time: 0.35s
Presolved: 40605 rows, 1643 columns, 123412 nonzeros
Variable types: 0 continuous, 1643 integer (1603 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 23585 rows, 18663 columns, 89372 nonzeros


Root relaxation: objective 4.200000e+01, 3290 iterations, 1.48 seconds (1.36 work units)
Total elapsed time = 5.66s (DegenMoves)

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

     0     0   42.00000    0  428    3.00000   42.00000  1300%     -    5s
H    0     0                       7.0000000   42.00000   500%     -    6s
H    0     0                       8.0000000   42.00000   425%     -    6s
H    0     0                       9.0000000   42.00000   367%     -   12s
     0     0   42.00000    0  701    9.00000   42.00000   367%     -   12s
     0     0   42.00000    0  681    9.00000   42.00000   367%     -   13s
H    0     0                      10.0000000   42.00000   320%     -   25s
     0     0   42.00000    0  540   10.00000   42.00000   320%     -   25s
     0     0   42.00000    0  475   10.00000   42.00000   320%     -   25s
H    0     0                      11.0000000   42.00000   282%     -   47s
     0     0   42.00000    0  493   11.00000   42.00000   282%     -   47s
     0     0   42.00000    0  478   11.00000   42.00000   282%     -   48s
     0     0          -    0        11.00000   42.00000   282%     -   50s

Cutting planes:
  Cover: 32
  MIR: 144
  GUB cover: 3
  Zero half: 50
  RLT: 57

Explored 1 nodes (62621 simplex iterations) in 50.05 seconds (45.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo5970.36.sol'

