
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 18:02:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1626.18.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/grafo1626.18.lp
Reading time = 0.25 seconds
: 145453 rows, 834 columns, 437037 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 145453 rows, 834 columns and 437037 nonzeros
Model fingerprint: 0x87d2a166
Variable types: 27 continuous, 807 integer (807 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 -0.0000000
Presolve removed 75228 rows and 0 columns
Presolve time: 1.00s
Presolved: 70225 rows, 834 columns, 211515 nonzeros
Variable types: 0 continuous, 834 integer (807 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 825 rows, 71050 columns, 212349 nonzeros


Root relaxation: objective 3.400000e+01, 1543 iterations, 0.68 seconds (0.84 work units)
Total elapsed time = 5.48s (DegenMoves)

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

     0     0   34.00000    0  432    5.00000   34.00000   580%     -    6s
     0     0   34.00000    0  427    5.00000   34.00000   580%     -   12s
     0     0   34.00000    0  408    5.00000   34.00000   580%     -   13s
     0     0   34.00000    0  311    5.00000   34.00000   580%     -   23s
     0     0   34.00000    0  312    5.00000   34.00000   580%     -   24s
     0     0   34.00000    0  358    5.00000   34.00000   580%     -   38s
     0     0   34.00000    0  346    5.00000   34.00000   580%     -   39s
     0     0   34.00000    0  419    5.00000   34.00000   580%     -   50s

Cutting planes:
  Cover: 27
  Clique: 41
  MIR: 104
  StrongCG: 4
  Zero half: 24
  RLT: 69
  BQP: 1

Explored 1 nodes (26353 simplex iterations) in 50.09 seconds (46.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 -0 

Time limit reached
Best objective 5.000000000000e+00, best bound 3.400000000000e+01, gap 580.0000%

Wrote result file './lp_solutions/grafo1626.18.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 13:52:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1626.18.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/grafo1626.18.lp
Reading time = 0.24 seconds
: 145453 rows, 834 columns, 437037 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 145453 rows, 834 columns and 437037 nonzeros
Model fingerprint: 0x87d2a166
Variable types: 27 continuous, 807 integer (807 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 -0.0000000
Presolve removed 75228 rows and 0 columns
Presolve time: 0.92s
Presolved: 70225 rows, 834 columns, 211515 nonzeros
Variable types: 0 continuous, 834 integer (807 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 825 rows, 71050 columns, 212349 nonzeros


Root relaxation: objective 3.400000e+01, 1543 iterations, 0.63 seconds (0.84 work units)
Total elapsed time = 5.09s (DegenMoves)

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

     0     0   34.00000    0  432    5.00000   34.00000   580%     -    6s
     0     0   34.00000    0  427    5.00000   34.00000   580%     -   11s
     0     0   34.00000    0  408    5.00000   34.00000   580%     -   12s
     0     0   34.00000    0  311    5.00000   34.00000   580%     -   20s
     0     0   34.00000    0  312    5.00000   34.00000   580%     -   21s
     0     0   34.00000    0  358    5.00000   34.00000   580%     -   33s
     0     0   34.00000    0  346    5.00000   34.00000   580%     -   35s
     0     0   34.00000    0  419    5.00000   34.00000   580%     -   47s
     0     0   34.00000    0  358    5.00000   34.00000   580%     -   48s
     0     0   34.00000    0  377    5.00000   34.00000   580%     -   50s

Cutting planes:
  Cover: 19
  Clique: 21
  MIR: 65
  StrongCG: 1
  Zero half: 23
  RLT: 49
  BQP: 3

Explored 1 nodes (28652 simplex iterations) in 50.06 seconds (52.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 -0 

Time limit reached
Best objective 5.000000000000e+00, best bound 3.400000000000e+01, gap 580.0000%

Wrote result file './lp_solutions/grafo1626.18.sol'

