
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:23:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10844.39.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/grafo10844.39.lp
Reading time = 0.11 seconds
: 66430 rows, 2021 columns, 200950 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 66430 rows, 2021 columns and 200950 nonzeros
Model fingerprint: 0x8c3a5ec6
Variable types: 42 continuous, 1979 integer (1979 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 14949 rows and 15 columns
Presolve time: 0.43s
Presolved: 51481 rows, 2006 columns, 156743 nonzeros
Variable types: 0 continuous, 2006 integer (1964 binary)
Root relaxation presolved: 2006 rows, 53487 columns, 158749 nonzeros


Root relaxation: objective 4.200000e+01, 27492 iterations, 4.08 seconds (3.33 work units)
Total elapsed time = 7.89s (DegenMoves)

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

     0     0   42.00000    0  386          -   42.00000      -     -    8s
H    0     0                       8.0000000   42.00000   425%     -    9s
     0     0   42.00000    0  550    8.00000   42.00000   425%     -   12s
H    0     0                       9.0000000   42.00000   367%     -   12s
     0     0   42.00000    0  527    9.00000   42.00000   367%     -   12s
     0     0   42.00000    0  527    9.00000   42.00000   367%     -   19s
H    0     0                      11.0000000   42.00000   282%     -   20s
     0     0   42.00000    0  523   11.00000   42.00000   282%     -   20s
     0     0   42.00000    0  542   11.00000   42.00000   282%     -   47s
     0     0   42.00000    0  444   11.00000   42.00000   282%     -   47s
     0     0          -    0        11.00000   42.00000   282%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 39
  Clique: 7
  MIR: 126
  StrongCG: 3
  Inf proof: 2
  Zero half: 49
  RLT: 75
  BQP: 4
  PSD: 3

Explored 1 nodes (74027 simplex iterations) in 50.06 seconds (45.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 8 

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

Wrote result file './lp_solutions/grafo10844.39.sol'

