
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:29:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo621.19.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/grafo621.19.lp
Reading time = 0.13 seconds
: 71349 rows, 735 columns, 214538 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 71349 rows, 735 columns and 214538 nonzeros
Model fingerprint: 0xd2c657d9
Variable types: 25 continuous, 710 integer (710 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 36192 rows and 10 columns
Presolve time: 0.51s
Presolved: 35157 rows, 725 columns, 106144 nonzeros
Variable types: 0 continuous, 725 integer (700 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 722 rows, 35879 columns, 106869 nonzeros


Root relaxation: objective 3.300000e+01, 1511 iterations, 0.47 seconds (0.58 work units)

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

     0     0   33.00000    0  348    7.00000   33.00000   371%     -    3s
     0     0   33.00000    0  430    7.00000   33.00000   371%     -    6s
     0     0   33.00000    0  412    7.00000   33.00000   371%     -    7s
     0     0   33.00000    0  287    7.00000   33.00000   371%     -   12s
     0     0   33.00000    0  273    7.00000   33.00000   371%     -   12s
     0     0   33.00000    0  282    7.00000   33.00000   371%     -   17s
     0     0   33.00000    0  310    7.00000   33.00000   371%     -   17s
     0     0   33.00000    0  322    7.00000   33.00000   371%     -   23s
H    0     0                       8.0000000   33.00000   312%     -   24s
     0     0   33.00000    0  343    8.00000   33.00000   312%     -   24s
     0     0   33.00000    0  374    8.00000   33.00000   312%     -   35s
     0     0   33.00000    0  374    8.00000   33.00000   312%     -   36s
     0     0   33.00000    0  316    8.00000   33.00000   312%     -   48s
     0     0   33.00000    0  306    8.00000   33.00000   312%     -   49s

Cutting planes:
  Gomory: 2
  Cover: 14
  Clique: 21
  MIR: 62
  StrongCG: 3
  GUB cover: 1
  RLT: 17

Explored 1 nodes (51516 simplex iterations) in 50.07 seconds (48.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 1 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.300000000000e+01, gap 312.5000%

Wrote result file './lp_solutions/grafo621.19.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 15:02:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo621.19.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/grafo621.19.lp
Reading time = 0.12 seconds
: 71349 rows, 735 columns, 214538 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 71349 rows, 735 columns and 214538 nonzeros
Model fingerprint: 0xd2c657d9
Variable types: 25 continuous, 710 integer (710 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 36192 rows and 10 columns
Presolve time: 0.48s
Presolved: 35157 rows, 725 columns, 106144 nonzeros
Variable types: 0 continuous, 725 integer (700 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 722 rows, 35879 columns, 106869 nonzeros


Root relaxation: objective 3.300000e+01, 1511 iterations, 0.43 seconds (0.58 work units)

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

     0     0   33.00000    0  348    7.00000   33.00000   371%     -    3s
     0     0   33.00000    0  430    7.00000   33.00000   371%     -    6s
     0     0   33.00000    0  412    7.00000   33.00000   371%     -    7s
     0     0   33.00000    0  287    7.00000   33.00000   371%     -   11s
     0     0   33.00000    0  273    7.00000   33.00000   371%     -   11s
     0     0   33.00000    0  282    7.00000   33.00000   371%     -   15s
     0     0   33.00000    0  310    7.00000   33.00000   371%     -   16s
     0     0   33.00000    0  322    7.00000   33.00000   371%     -   22s
H    0     0                       8.0000000   33.00000   312%     -   22s
     0     0   33.00000    0  343    8.00000   33.00000   312%     -   22s
     0     0   33.00000    0  374    8.00000   33.00000   312%     -   33s
     0     0   33.00000    0  374    8.00000   33.00000   312%     -   34s
     0     0   33.00000    0  316    8.00000   33.00000   312%     -   44s
     0     0   33.00000    0  306    8.00000   33.00000   312%     -   45s
     0     0   33.00000    0  352    8.00000   33.00000   312%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 13
  Clique: 21
  MIR: 76
  StrongCG: 3
  GUB cover: 1
  Zero half: 89
  RLT: 59

Explored 1 nodes (57323 simplex iterations) in 50.02 seconds (53.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 1 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.300000000000e+01, gap 312.5000%

Wrote result file './lp_solutions/grafo621.19.sol'

