
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:36:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5726.45.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/grafo5726.45.lp
Reading time = 0.15 seconds
: 95554 rows, 2782 columns, 289181 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 95554 rows, 2782 columns and 289181 nonzeros
Model fingerprint: 0x36a77069
Variable types: 54 continuous, 2728 integer (2728 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 11478 rows and 67 columns
Presolve time: 0.70s
Presolved: 84076 rows, 2715 columns, 255209 nonzeros
Variable types: 0 continuous, 2715 integer (2661 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 2715 rows, 86791 columns, 257924 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19749    4.8961884e+01   0.000000e+00   5.557926e+04      5s
   39925    4.8939208e+01   0.000000e+00   5.626950e+04     10s
   59005    4.8929814e+01   0.000000e+00   3.186816e+03     15s
   78085    4.8926357e+01   0.000000e+00   1.942035e+03     20s
   95722    4.9000000e+01   0.000000e+00   0.000000e+00     25s
   95722    4.9000000e+01   0.000000e+00   0.000000e+00     25s

Root relaxation: objective 4.900000e+01, 95722 iterations, 23.67 seconds (19.35 work units)
Total elapsed time = 43.43s (DegenMoves)
Total elapsed time = 45.73s (DegenMoves)

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

     0     0   49.00000    0  476    9.00000   49.00000   444%     -   46s
H    0     0                      10.0000000   49.00000   390%     -   46s
     0     0          -    0        10.00000   49.00000   390%     -   50s

Cutting planes:
  Gomory: 29
  Cover: 42
  Clique: 1
  MIR: 145
  StrongCG: 1
  GUB cover: 6
  Zero half: 90
  RLT: 34

Explored 1 nodes (116118 simplex iterations) in 50.02 seconds (45.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 9 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.900000000000e+01, gap 390.0000%

Wrote result file './lp_solutions/grafo5726.45.sol'

