
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:50:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo440.13.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/grafo440.13.lp
Reading time = 0.01 seconds
: 1386 rows, 199 columns, 4213 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 1386 rows, 199 columns and 4213 nonzeros
Model fingerprint: 0xac992fba
Variable types: 13 continuous, 186 integer (186 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 2.0000000
Presolve removed 158 rows and 12 columns
Presolve time: 0.03s
Presolved: 1228 rows, 187 columns, 3826 nonzeros
Variable types: 0 continuous, 187 integer (174 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 5.000000e+00, 93 iterations, 0.01 seconds (0.00 work units)

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

     0     0    5.00000    0   52    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   84    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   83    4.00000    5.00000  25.0%     -    0s
H    0     0                       5.0000000    5.00000  0.00%     -    0s
     0     0    5.00000    0   25    5.00000    5.00000  0.00%     -    0s

Cutting planes:
  Gomory: 6
  Cover: 1
  Clique: 1
  MIR: 7
  Zero half: 5
  RLT: 7
  BQP: 1

Explored 1 nodes (700 simplex iterations) in 0.63 seconds (0.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo440.13.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:05:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo440.13.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/grafo440.13.lp
Reading time = 0.01 seconds
: 1386 rows, 199 columns, 4213 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 1386 rows, 199 columns and 4213 nonzeros
Model fingerprint: 0xac992fba
Variable types: 13 continuous, 186 integer (186 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 2.0000000
Presolve removed 158 rows and 12 columns
Presolve time: 0.01s
Presolved: 1228 rows, 187 columns, 3826 nonzeros
Variable types: 0 continuous, 187 integer (174 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 5.000000e+00, 93 iterations, 0.01 seconds (0.00 work units)

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

     0     0    5.00000    0   52    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   84    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   83    4.00000    5.00000  25.0%     -    0s
H    0     0                       5.0000000    5.00000  0.00%     -    0s
     0     0    5.00000    0   25    5.00000    5.00000  0.00%     -    0s

Cutting planes:
  Gomory: 6
  Cover: 1
  Clique: 1
  MIR: 7
  Zero half: 5
  RLT: 7
  BQP: 1

Explored 1 nodes (700 simplex iterations) in 0.22 seconds (0.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo440.13.sol'

