
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:07:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2194.48.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/grafo2194.48.lp
Reading time = 0.19 seconds
: 113603 rows, 2573 columns, 342802 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 113603 rows, 2573 columns and 342802 nonzeros
Model fingerprint: 0x4a0440c7
Variable types: 48 continuous, 2525 integer (2525 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 26901 rows and 39 columns
Presolve time: 0.87s
Presolved: 86702 rows, 2534 columns, 262557 nonzeros
Variable types: 0 continuous, 2534 integer (2486 binary)
Root relaxation presolved: 2531 rows, 89233 columns, 265091 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20808    3.7971320e+01   0.000000e+00   2.170519e+04      5s
   41995    3.6952272e+01   0.000000e+00   5.827344e+03     10s
   59567    3.7000000e+01   0.000000e+00   0.000000e+00     14s
   59567    3.7000000e+01   0.000000e+00   0.000000e+00     15s
   59567    3.7000000e+01   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 3.700000e+01, 59567 iterations, 13.46 seconds (11.05 work units)
Total elapsed time = 31.94s (DegenMoves)
Total elapsed time = 35.40s (DegenMoves)

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

     0     0   37.00000    0  529          -   37.00000      -     -   35s
H    0     0                       5.0000000   37.00000   640%     -   35s
H    0     0                       7.0000000   37.00000   429%     -   35s
     0     0          -    0         7.00000   37.00000   429%     -   50s

Cutting planes:
  Gomory: 23
  Cover: 32
  Clique: 14
  MIR: 87
  GUB cover: 9
  Zero half: 35
  RLT: 46
  BQP: 1

Explored 1 nodes (82954 simplex iterations) in 50.02 seconds (43.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 5 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.700000000000e+01, gap 428.5714%

Wrote result file './lp_solutions/grafo2194.48.sol'

