
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:40:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11633.35.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/grafo11633.35.lp
Reading time = 0.11 seconds
: 47392 rows, 1797 columns, 143726 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 47392 rows, 1797 columns and 143726 nonzeros
Model fingerprint: 0x29ab792a
Variable types: 44 continuous, 1753 integer (1753 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 5028 rows and 45 columns
Presolve time: 0.56s
Presolved: 42364 rows, 1752 columns, 129107 nonzeros
Variable types: 0 continuous, 1752 integer (1708 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 22575 rows, 21541 columns, 89529 nonzeros


Root relaxation: objective 3.400000e+01, 1418 iterations, 0.57 seconds (0.32 work units)

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

     0     0   34.00000    0  292    5.00000   34.00000   580%     -    2s
H    0     0                       9.0000000   34.00000   278%     -    2s
H    0     0                      11.0000000   34.00000   209%     -    2s
H    0     0                      12.0000000   34.00000   183%     -    2s
     0     0   33.00000    0  562   12.00000   33.00000   175%     -    9s
H    0     0                      14.0000000   33.00000   136%     -   10s
     0     0   33.00000    0  510   14.00000   33.00000   136%     -   10s
H    0     0                      15.0000000   33.00000   120%     -   29s
H    0     0                      16.0000000   33.00000   106%     -   29s
     0     0   33.00000    0  443   16.00000   33.00000   106%     -   29s
     0     0   33.00000    0  374   16.00000   33.00000   106%     -   29s
     0     0   33.00000    0  512   16.00000   33.00000   106%     -   50s

Cutting planes:
  Cover: 22
  Clique: 3
  MIR: 115
  StrongCG: 2
  GUB cover: 3
  Zero half: 33
  RLT: 32
  BQP: 2

Explored 1 nodes (44382 simplex iterations) in 50.06 seconds (32.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 2

Time limit reached
Best objective 1.600000000000e+01, best bound 3.300000000000e+01, gap 106.2500%

Wrote result file './lp_solutions/grafo11633.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:08:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11633.35.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/grafo11633.35.lp
Reading time = 0.08 seconds
: 47392 rows, 1797 columns, 143726 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 47392 rows, 1797 columns and 143726 nonzeros
Model fingerprint: 0x29ab792a
Variable types: 44 continuous, 1753 integer (1753 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 5028 rows and 45 columns
Presolve time: 0.32s
Presolved: 42364 rows, 1752 columns, 129107 nonzeros
Variable types: 0 continuous, 1752 integer (1708 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 22575 rows, 21541 columns, 89529 nonzeros


Root relaxation: objective 3.400000e+01, 1418 iterations, 0.36 seconds (0.32 work units)

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

     0     0   34.00000    0  292    5.00000   34.00000   580%     -    1s
H    0     0                       9.0000000   34.00000   278%     -    1s
H    0     0                      11.0000000   34.00000   209%     -    1s
H    0     0                      12.0000000   34.00000   183%     -    1s
     0     0   33.00000    0  562   12.00000   33.00000   175%     -    5s
H    0     0                      14.0000000   33.00000   136%     -    6s
     0     0   33.00000    0  510   14.00000   33.00000   136%     -    6s
H    0     0                      15.0000000   33.00000   120%     -   19s
H    0     0                      16.0000000   33.00000   106%     -   19s
     0     0   33.00000    0  443   16.00000   33.00000   106%     -   19s
     0     0   33.00000    0  374   16.00000   33.00000   106%     -   20s
H    0     0                      17.0000000   33.00000  94.1%     -   41s
     0     0   33.00000    0  465   17.00000   33.00000  94.1%     -   41s
     0     0   33.00000    0  516   17.00000   33.00000  94.1%     -   43s
     0     0   33.00000    0  661   17.00000   33.00000  94.1%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 10
  Clique: 4
  MIR: 93
  GUB cover: 1
  Zero half: 50
  RLT: 49

Explored 1 nodes (60106 simplex iterations) in 50.05 seconds (46.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 17 16 15 ... 2

Time limit reached
Best objective 1.700000000000e+01, best bound 3.300000000000e+01, gap 94.1176%

Wrote result file './lp_solutions/grafo11633.35.sol'

