
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:42:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10767.38.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/grafo10767.38.lp
Reading time = 0.09 seconds
: 75639 rows, 1986 columns, 228593 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 75639 rows, 1986 columns and 228593 nonzeros
Model fingerprint: 0x89c8f600
Variable types: 44 continuous, 1942 integer (1942 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 19807 rows and 21 columns
Presolve time: 0.39s
Presolved: 55832 rows, 1965 columns, 169612 nonzeros
Variable types: 0 continuous, 1965 integer (1921 binary)
Root relaxation presolved: 1959 rows, 57791 columns, 171577 nonzeros


Root relaxation: objective 4.400000e+01, 1769 iterations, 0.32 seconds (0.40 work units)

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

     0     0   44.00000    0  346          -   44.00000      -     -    3s
H    0     0                       7.0000000   44.00000   529%     -    4s
H    0     0                      11.0000000   44.00000   300%     -    4s
     0     0   44.00000    0  589   11.00000   44.00000   300%     -    9s
H    0     0                      13.0000000   44.00000   238%     -    9s
     0     0   44.00000    0  600   13.00000   44.00000   238%     -   10s
H    0     0                      14.0000000   44.00000   214%     -   23s
     0     0   44.00000    0  537   14.00000   44.00000   214%     -   23s
H    0     0                      15.0000000   44.00000   193%     -   23s
     0     0   44.00000    0  474   15.00000   44.00000   193%     -   23s
H    0     0                      16.0000000   44.00000   175%     -   41s
     0     0   44.00000    0  479   16.00000   44.00000   175%     -   41s
     0     0   44.00000    0  488   16.00000   44.00000   175%     -   42s
     0     0   44.00000    0  583   16.00000   44.00000   175%     -   50s

Cutting planes:
  Cover: 24
  Clique: 9
  MIR: 139
  StrongCG: 3
  GUB cover: 1
  Zero half: 65
  RLT: 61
  BQP: 2

Explored 1 nodes (57694 simplex iterations) in 50.04 seconds (53.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 7

Time limit reached
Best objective 1.600000000000e+01, best bound 4.400000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo10767.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:26:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10767.38.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/grafo10767.38.lp
Reading time = 0.13 seconds
: 75639 rows, 1986 columns, 228593 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 75639 rows, 1986 columns and 228593 nonzeros
Model fingerprint: 0x89c8f600
Variable types: 44 continuous, 1942 integer (1942 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 19807 rows and 21 columns
Presolve time: 0.54s
Presolved: 55832 rows, 1965 columns, 169612 nonzeros
Variable types: 0 continuous, 1965 integer (1921 binary)
Root relaxation presolved: 1959 rows, 57791 columns, 171577 nonzeros


Root relaxation: objective 4.400000e+01, 1769 iterations, 0.48 seconds (0.40 work units)
Total elapsed time = 5.08s (DegenMoves)

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

     0     0   44.00000    0  346          -   44.00000      -     -    5s
H    0     0                       7.0000000   44.00000   529%     -    6s
H    0     0                      11.0000000   44.00000   300%     -    6s
     0     0   44.00000    0  589   11.00000   44.00000   300%     -   13s
H    0     0                      13.0000000   44.00000   238%     -   13s
     0     0   44.00000    0  600   13.00000   44.00000   238%     -   14s
H    0     0                      14.0000000   44.00000   214%     -   32s
     0     0   44.00000    0  537   14.00000   44.00000   214%     -   32s
H    0     0                      15.0000000   44.00000   193%     -   32s
     0     0   44.00000    0  474   15.00000   44.00000   193%     -   33s
     0     0   44.00000    0  595   15.00000   44.00000   193%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  Clique: 8
  MIR: 138
  StrongCG: 2
  GUB cover: 3
  Zero half: 94
  RLT: 66
  BQP: 2

Explored 1 nodes (40490 simplex iterations) in 50.08 seconds (36.30 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 7

Time limit reached
Best objective 1.500000000000e+01, best bound 4.400000000000e+01, gap 193.3333%

Wrote result file './lp_solutions/grafo10767.38.sol'

