
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:56:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6795.38.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/grafo6795.38.lp
Reading time = 0.12 seconds
: 68503 rows, 1929 columns, 207098 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 68503 rows, 1929 columns and 207098 nonzeros
Model fingerprint: 0x7c1eff02
Variable types: 44 continuous, 1885 integer (1885 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 14789 rows and 33 columns
Presolve time: 0.52s
Presolved: 53714 rows, 1896 columns, 163111 nonzeros
Variable types: 0 continuous, 1896 integer (1852 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1896 rows, 55610 columns, 165007 nonzeros


Root relaxation: objective 4.100000e+01, 1449 iterations, 0.37 seconds (0.33 work units)

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

     0     0   41.00000    0  360    8.00000   41.00000   412%     -    4s
H    0     0                      10.0000000   41.00000   310%     -    4s
H    0     0                      11.0000000   41.00000   273%     -    5s
     0     0   41.00000    0  655   11.00000   41.00000   273%     -   10s
     0     0   41.00000    0  597   11.00000   41.00000   273%     -   10s
H    0     0                      12.0000000   41.00000   242%     -   28s
     0     0   41.00000    0  475   12.00000   41.00000   242%     -   28s
H    0     0                      13.0000000   41.00000   215%     -   29s
     0     0   41.00000    0  496   13.00000   41.00000   215%     -   29s
H    0     0                      14.0000000   41.00000   193%     -   48s
     0     0   41.00000    0  450   14.00000   41.00000   193%     -   48s
     0     0          -    0        14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Clique: 7
  MIR: 55
  StrongCG: 1
  GUB cover: 2
  Zero half: 2
  RLT: 33
  BQP: 1
  PSD: 1

Explored 1 nodes (45114 simplex iterations) in 50.06 seconds (40.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo6795.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:51:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6795.38.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/grafo6795.38.lp
Reading time = 0.11 seconds
: 68503 rows, 1929 columns, 207098 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 68503 rows, 1929 columns and 207098 nonzeros
Model fingerprint: 0x7c1eff02
Variable types: 44 continuous, 1885 integer (1885 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 14789 rows and 33 columns
Presolve time: 0.45s
Presolved: 53714 rows, 1896 columns, 163111 nonzeros
Variable types: 0 continuous, 1896 integer (1852 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1896 rows, 55610 columns, 165007 nonzeros


Root relaxation: objective 4.100000e+01, 1449 iterations, 0.33 seconds (0.33 work units)

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

     0     0   41.00000    0  360    8.00000   41.00000   412%     -    4s
H    0     0                      10.0000000   41.00000   310%     -    4s
H    0     0                      11.0000000   41.00000   273%     -    4s
     0     0   41.00000    0  655   11.00000   41.00000   273%     -    8s
     0     0   41.00000    0  597   11.00000   41.00000   273%     -    9s
H    0     0                      12.0000000   41.00000   242%     -   24s
     0     0   41.00000    0  475   12.00000   41.00000   242%     -   24s
H    0     0                      13.0000000   41.00000   215%     -   25s
     0     0   41.00000    0  496   13.00000   41.00000   215%     -   25s
H    0     0                      14.0000000   41.00000   193%     -   41s
     0     0   41.00000    0  450   14.00000   41.00000   193%     -   41s
     0     0   41.00000    0  546   14.00000   41.00000   193%     -   44s
     0     0   41.00000    0  688   14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 13
  Clique: 5
  MIR: 182
  GUB cover: 3
  Zero half: 90
  RLT: 63
  PSD: 1

Explored 1 nodes (52205 simplex iterations) in 50.08 seconds (47.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo6795.38.sol'

