
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:40:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10137.36.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/grafo10137.36.lp
Reading time = 0.21 seconds
: 40851 rows, 1597 columns, 123742 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 40851 rows, 1597 columns and 123742 nonzeros
Model fingerprint: 0x35724adb
Variable types: 37 continuous, 1560 integer (1560 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 7220 rows and 58 columns
Presolve time: 0.67s
Presolved: 33631 rows, 1539 columns, 102360 nonzeros
Variable types: 0 continuous, 1539 integer (1502 binary)
Root relaxation presolved: 18721 rows, 16449 columns, 72540 nonzeros


Root relaxation: objective 3.500000e+01, 1645 iterations, 1.20 seconds (0.39 work units)
Total elapsed time = 10.37s (DegenMoves)

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

     0     0   35.00000    0  345          -   35.00000      -     -   12s
H    0     0                       7.0000000   35.00000   400%     -   14s
     0     0   35.00000    0  639    7.00000   35.00000   400%     -   25s
     0     0   35.00000    0  610    7.00000   35.00000   400%     -   27s
     0     0   35.00000    0  479    7.00000   35.00000   400%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 7
  Clique: 6
  MIR: 83
  Zero half: 58
  RLT: 60
  BQP: 5
  PSD: 2

Explored 1 nodes (25059 simplex iterations) in 50.37 seconds (14.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.500000000000e+01, gap 400.0000%

Wrote result file './lp_solutions/grafo10137.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:55:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10137.36.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/grafo10137.36.lp
Reading time = 0.07 seconds
: 40851 rows, 1597 columns, 123742 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 40851 rows, 1597 columns and 123742 nonzeros
Model fingerprint: 0x35724adb
Variable types: 37 continuous, 1560 integer (1560 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 7220 rows and 58 columns
Presolve time: 0.26s
Presolved: 33631 rows, 1539 columns, 102360 nonzeros
Variable types: 0 continuous, 1539 integer (1502 binary)
Root relaxation presolved: 18721 rows, 16449 columns, 72540 nonzeros


Root relaxation: objective 3.500000e+01, 1645 iterations, 0.47 seconds (0.39 work units)

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

     0     0   35.00000    0  345          -   35.00000      -     -    5s
H    0     0                       7.0000000   35.00000   400%     -    5s
     0     0   35.00000    0  639    7.00000   35.00000   400%     -    9s
     0     0   35.00000    0  610    7.00000   35.00000   400%     -   10s
H    0     0                      10.0000000   35.00000   250%     -   25s
H    0     0                      11.0000000   35.00000   218%     -   25s
     0     0   35.00000    0  421   11.00000   35.00000   218%     -   25s
     0     0   35.00000    0  405   11.00000   35.00000   218%     -   25s
H    0     0                      12.0000000   35.00000   192%     -   33s
     0     0   35.00000    0  387   12.00000   35.00000   192%     -   33s
     0     0   35.00000    0  429   12.00000   35.00000   192%     -   33s
H    0     0                      13.0000000   35.00000   169%     -   39s
     0     0   35.00000    0  465   13.00000   35.00000   169%     -   39s
     0     0   35.00000    0  449   13.00000   35.00000   169%     -   39s
     0     0   35.00000    0  422   13.00000   35.00000   169%     -   46s
     0     0   35.00000    0  448   13.00000   35.00000   169%     -   46s
     0     0   35.00000    0  514   13.00000   35.00000   169%     -   50s

Cutting planes:
  Cover: 13
  Clique: 7
  MIR: 81
  StrongCG: 2
  Zero half: 27
  RLT: 49
  Relax-and-lift: 1
  BQP: 1

Explored 1 nodes (77244 simplex iterations) in 50.04 seconds (46.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo10137.36.sol'

