
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:58:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3263.40.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/grafo3263.40.lp
Reading time = 0.15 seconds
: 95867 rows, 1964 columns, 289075 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 95867 rows, 1964 columns and 289075 nonzeros
Model fingerprint: 0xefbb25f6
Variable types: 42 continuous, 1922 integer (1922 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 29717 rows and 30 columns
Presolve time: 0.70s
Presolved: 66150 rows, 1934 columns, 200322 nonzeros
Variable types: 0 continuous, 1934 integer (1892 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1934 rows, 68084 columns, 202256 nonzeros


Root relaxation: objective 4.000000e+01, 2908 iterations, 0.94 seconds (1.13 work units)
Total elapsed time = 12.04s (DegenMoves)

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

     0     0   40.00000    0  626    8.00000   40.00000   400%     -   13s
H    0     0                      11.0000000   40.00000   264%     -   13s
     0     0   40.00000    0 1017   11.00000   40.00000   264%     -   37s
     0     0   40.00000    0  987   11.00000   40.00000   264%     -   39s
     0     0          -    0        11.00000   40.00000   264%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 8
  Clique: 20
  MIR: 96
  StrongCG: 1
  Zero half: 95
  RLT: 66
  BQP: 3

Explored 1 nodes (31189 simplex iterations) in 50.05 seconds (44.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 8 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.000000000000e+01, gap 263.6364%

Wrote result file './lp_solutions/grafo3263.40.sol'

