
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:20:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11363.40.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/grafo11363.40.lp
Reading time = 0.39 seconds
: 158929 rows, 2410 columns, 478928 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 158929 rows, 2410 columns and 478928 nonzeros
Model fingerprint: 0x4c772c3d
Variable types: 48 continuous, 2362 integer (2362 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 63843 rows and 26 columns
Presolve time: 1.83s
Presolved: 95086 rows, 2384 columns, 288123 nonzeros
Variable types: 0 continuous, 2384 integer (2336 binary)
Root relaxation presolved: 2378 rows, 97464 columns, 290507 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12532    5.2976548e+01   0.000000e+00   2.476445e+05      5s
   27603    5.0937722e+01   0.000000e+00   1.877061e+04     10s
   42189    5.0928642e+01   0.000000e+00   1.855262e+04     15s
   56333    5.0926102e+01   0.000000e+00   4.548505e+03     20s
   60134    5.1000000e+01   0.000000e+00   0.000000e+00     21s
   60134    5.1000000e+01   0.000000e+00   0.000000e+00     21s
   60134    5.1000000e+01   0.000000e+00   0.000000e+00     21s

Root relaxation: objective 5.100000e+01, 60134 iterations, 19.19 seconds (9.57 work units)
Total elapsed time = 42.00s (DegenMoves)
Total elapsed time = 45.15s (DegenMoves)

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

     0     0   51.00000    0  623          -   51.00000      -     -   47s
H    0     0                       9.0000000   51.00000   467%     -   47s
H    0     0                      11.0000000   51.00000   364%     -   47s

Cutting planes:
  Cover: 54
  Clique: 16
  MIR: 203
  StrongCG: 1
  GUB cover: 7

Explored 1 nodes (74581 simplex iterations) in 50.08 seconds (33.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 9 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.100000000000e+01, gap 363.6364%

Wrote result file './lp_solutions/grafo11363.40.sol'

