
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:38:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7344.39.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/grafo7344.39.lp
Reading time = 0.16 seconds
: 96978 rows, 2161 columns, 292807 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 96978 rows, 2161 columns and 292807 nonzeros
Model fingerprint: 0x9a8dc4aa
Variable types: 46 continuous, 2115 integer (2115 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 31961 rows and 33 columns
Presolve time: 0.59s
Presolved: 65017 rows, 2128 columns, 197242 nonzeros
Variable types: 0 continuous, 2128 integer (2082 binary)
Root relaxation presolved: 2122 rows, 67139 columns, 199370 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27088    5.0789861e+01   0.000000e+00   6.024489e+04      5s
   35098    5.1000000e+01   0.000000e+00   0.000000e+00      6s
   35098    5.1000000e+01   0.000000e+00   0.000000e+00      6s
   35098    5.1000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 5.100000e+01, 35098 iterations, 5.75 seconds (4.72 work units)
Total elapsed time = 15.07s (DegenMoves)

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

     0     0   51.00000    0  470          -   51.00000      -     -   16s
H    0     0                       7.0000000   51.00000   629%     -   17s
     0     0   51.00000    0  827    7.00000   51.00000   629%     -   29s
H    0     0                      10.0000000   51.00000   410%     -   29s
     0     0   51.00000    0  813   10.00000   51.00000   410%     -   29s
     0     0   51.00000    0  536   10.00000   51.00000   410%     -   47s
     0     0   51.00000    0  487   10.00000   51.00000   410%     -   48s
     0     0          -    0        10.00000   51.00000   410%     -   50s

Cutting planes:
  Cover: 39
  Clique: 25
  MIR: 341
  StrongCG: 1
  Zero half: 39
  RLT: 92
  BQP: 5

Explored 1 nodes (71045 simplex iterations) in 50.11 seconds (45.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 7 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.100000000000e+01, gap 410.0000%

Wrote result file './lp_solutions/grafo7344.39.sol'

