
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:19:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10455.38.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/grafo10455.38.lp
Reading time = 0.19 seconds
: 39520 rows, 1514 columns, 119562 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 39520 rows, 1514 columns and 119562 nonzeros
Model fingerprint: 0xe2391f25
Variable types: 35 continuous, 1479 integer (1479 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 5.0000000
Presolve removed 5389 rows and 33 columns
Presolve time: 0.63s
Presolved: 34131 rows, 1481 columns, 103695 nonzeros
Variable types: 0 continuous, 1481 integer (1446 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 19150 rows, 16462 columns, 73733 nonzeros


Root relaxation: objective 2.200000e+01, 786 iterations, 0.53 seconds (0.18 work units)

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

     0     0   22.00000    0  189    9.00000   22.00000   144%     -    2s
H    0     0                      11.0000000   22.00000   100%     -    2s
H    0     0                      13.0000000   22.00000  69.2%     -    3s
     0     0   22.00000    0  421   13.00000   22.00000  69.2%     -    6s
     0     0   22.00000    0  400   13.00000   22.00000  69.2%     -    6s
     0     0   22.00000    0  320   13.00000   22.00000  69.2%     -   20s
     0     0   22.00000    0  295   13.00000   22.00000  69.2%     -   23s
     0     0   22.00000    0  293   13.00000   22.00000  69.2%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 6
  Clique: 8
  MIR: 56
  StrongCG: 2
  GUB cover: 3
  Zero half: 18
  RLT: 34
  BQP: 1
  PSD: 2

Explored 1 nodes (17101 simplex iterations) in 50.06 seconds (8.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 11 9 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 2.200000000000e+01, gap 69.2308%

Wrote result file './lp_solutions/grafo10455.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:41:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10455.38.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/grafo10455.38.lp
Reading time = 0.05 seconds
: 39520 rows, 1514 columns, 119562 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 39520 rows, 1514 columns and 119562 nonzeros
Model fingerprint: 0xe2391f25
Variable types: 35 continuous, 1479 integer (1479 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 5.0000000
Presolve removed 5389 rows and 33 columns
Presolve time: 0.19s
Presolved: 34131 rows, 1481 columns, 103695 nonzeros
Variable types: 0 continuous, 1481 integer (1446 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 19150 rows, 16462 columns, 73733 nonzeros


Root relaxation: objective 2.200000e+01, 786 iterations, 0.15 seconds (0.18 work units)

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

     0     0   22.00000    0  189    9.00000   22.00000   144%     -    0s
H    0     0                      11.0000000   22.00000   100%     -    0s
H    0     0                      13.0000000   22.00000  69.2%     -    1s
     0     0   22.00000    0  421   13.00000   22.00000  69.2%     -    1s
     0     0   22.00000    0  400   13.00000   22.00000  69.2%     -    2s
     0     0   22.00000    0  320   13.00000   22.00000  69.2%     -    6s
     0     0   22.00000    0  295   13.00000   22.00000  69.2%     -    6s
H    0     0                      14.0000000   22.00000  57.1%     -   11s
     0     0   22.00000    0  293   14.00000   22.00000  57.1%     -   11s
     0     0   22.00000    0  298   14.00000   22.00000  57.1%     -   12s
     0     0   22.00000    0  189   14.00000   22.00000  57.1%     -   13s
     0     0   22.00000    0  155   14.00000   22.00000  57.1%     -   13s
     0     0   22.00000    0  163   14.00000   22.00000  57.1%     -   14s
     0     0   22.00000    0  166   14.00000   22.00000  57.1%     -   14s
     0     0   22.00000    0  185   14.00000   22.00000  57.1%     -   16s
     0     0   22.00000    0  202   14.00000   22.00000  57.1%     -   16s
     0     0   22.00000    0  200   14.00000   22.00000  57.1%     -   19s
     0     0   22.00000    0  175   14.00000   22.00000  57.1%     -   19s
H    0     0                      15.0000000   22.00000  46.7%     -   21s
     0     2   22.00000    0  169   15.00000   22.00000  46.7%     -   22s
   132   183   22.00000   19  136   15.00000   22.00000  46.7%  86.9   26s
   253   339   22.00000   25  278   15.00000   22.00000  46.7%   142   31s
   409   436   20.00000   69  279   15.00000   22.00000  46.7%   187   38s
   454   552   19.00000   84  130   15.00000   22.00000  46.7%   235   44s
   584   757   22.00000   27  104   15.00000   22.00000  46.7%   222   49s
   845   764   18.00000   83   96   15.00000   22.00000  46.7%   244   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 15
  MIR: 26
  StrongCG: 1
  Inf proof: 1
  Zero half: 1
  RLT: 26
  BQP: 1
  PSD: 4

Explored 852 nodes (259410 simplex iterations) in 50.04 seconds (80.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 2.200000000000e+01, gap 46.6667%

Wrote result file './lp_solutions/grafo10455.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:25:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10455.38.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/grafo10455.38.lp
Reading time = 0.08 seconds
: 39520 rows, 1514 columns, 119562 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 39520 rows, 1514 columns and 119562 nonzeros
Model fingerprint: 0xe2391f25
Variable types: 35 continuous, 1479 integer (1479 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 5.0000000
Presolve removed 5389 rows and 33 columns
Presolve time: 0.30s
Presolved: 34131 rows, 1481 columns, 103695 nonzeros
Variable types: 0 continuous, 1481 integer (1446 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 19150 rows, 16462 columns, 73733 nonzeros


Root relaxation: objective 2.200000e+01, 786 iterations, 0.24 seconds (0.18 work units)

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

     0     0   22.00000    0  189    9.00000   22.00000   144%     -    1s
H    0     0                      11.0000000   22.00000   100%     -    1s
H    0     0                      13.0000000   22.00000  69.2%     -    1s
     0     0   22.00000    0  421   13.00000   22.00000  69.2%     -    2s
     0     0   22.00000    0  400   13.00000   22.00000  69.2%     -    3s
     0     0   22.00000    0  320   13.00000   22.00000  69.2%     -    9s
     0     0   22.00000    0  295   13.00000   22.00000  69.2%     -    9s
H    0     0                      14.0000000   22.00000  57.1%     -   18s
     0     0   22.00000    0  293   14.00000   22.00000  57.1%     -   18s
     0     0   22.00000    0  298   14.00000   22.00000  57.1%     -   18s
     0     0   22.00000    0  189   14.00000   22.00000  57.1%     -   20s
     0     0   22.00000    0  155   14.00000   22.00000  57.1%     -   20s
     0     0   22.00000    0  163   14.00000   22.00000  57.1%     -   22s
     0     0   22.00000    0  166   14.00000   22.00000  57.1%     -   22s
     0     0   22.00000    0  185   14.00000   22.00000  57.1%     -   25s
     0     0   22.00000    0  202   14.00000   22.00000  57.1%     -   25s
     0     0   22.00000    0  200   14.00000   22.00000  57.1%     -   29s
     0     0   22.00000    0  175   14.00000   22.00000  57.1%     -   29s
H    0     0                      15.0000000   22.00000  46.7%     -   32s
     0     2   22.00000    0  169   15.00000   22.00000  46.7%     -   33s
    41    54   22.00000    7  221   15.00000   22.00000  46.7%   140   35s
   182   254   22.00000   22  188   15.00000   22.00000  46.7%   131   42s
   253   339   22.00000   25  278   15.00000   22.00000  46.7%   142   47s
   349   393   20.00000   61  270   15.00000   22.00000  46.7%   164   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 15
  MIR: 26
  StrongCG: 1
  Inf proof: 1
  Zero half: 1
  RLT: 25
  BQP: 1
  PSD: 4

Explored 409 nodes (124527 simplex iterations) in 50.08 seconds (50.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 5

Time limit reached
Best objective 1.500000000000e+01, best bound 2.200000000000e+01, gap 46.6667%

Wrote result file './lp_solutions/grafo10455.38.sol'

