Fix MPS reader with * in start of name, not as a comment #2470
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With this branch, I get julia> model = read_from_file("grb/irish-electricity.mps.gz")
irish-electricity
Minimization problem with:
Variables: 61728
Objective function type: AffExpr
`AffExpr`-in-`MathOptInterface.EqualTo{Float64}`: 10537 constraints
`AffExpr`-in-`MathOptInterface.GreaterThan{Float64}`: 36195 constraints
`AffExpr`-in-`MathOptInterface.LessThan{Float64}`: 57527 constraints
`VariableRef`-in-`MathOptInterface.GreaterThan{Float64}`: 41472 constraints
`VariableRef`-in-`MathOptInterface.Interval{Float64}`: 10368 constraints
`VariableRef`-in-`MathOptInterface.ZeroOne`: 9888 constraints
Model mode: AUTOMATIC
CachingOptimizer state: NO_OPTIMIZER
Solver name: No optimizer attached.
julia> set_optimizer(model, Gurobi.Optimizer)
julia> optimize!(model)
Gurobi Optimizer version 11.0.0 build v11.0.0rc2 (mac64[x86] - Darwin 22.6.0 22G91)
CPU model: Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads
Optimize a model with 104259 rows, 61728 columns and 523257 nonzeros
Model fingerprint: 0xefddf5e8
Variable types: 51840 continuous, 9888 integer (9888 binary)
Coefficient statistics:
Matrix range [1e+00, 2e+04]
Objective range [1e+00, 1e+00]
Bounds range [1e+00, 1e+00]
RHS range [3e-01, 5e+03]
Presolve removed 72349 rows and 33080 columns
Presolve time: 2.96s
Presolved: 31910 rows, 28648 columns, 155874 nonzeros
Variable types: 20835 continuous, 7813 integer (7813 binary)
Deterministic concurrent LP optimizer: primal and dual simplex
Showing primal log only...
Root simplex log...
Iteration Objective Primal Inf. Dual Inf. Time
28694 3.4467263e+05 4.826744e+01 5.178817e+10 5s
49664 5.9628411e+06 0.000000e+00 4.832604e+06 8s
76439 4.2466247e+06 0.000000e+00 1.073792e+06 10s
Concurrent spin time: 0.00s
Solved with dual simplex
Root simplex log...
Iteration Objective Primal Inf. Dual Inf. Time
38977 3.5733790e+06 0.000000e+00 0.000000e+00 12s
Root relaxation: objective 3.573379e+06, 38977 iterations, 9.24 seconds (8.66 work units)
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 3573379.03 0 688 - 3573379.03 - - 13s
H 0 0 4176359.7248 3573379.03 14.4% - 13s
H 0 0 4158221.6043 3573379.03 14.1% - 13s
H 0 0 3830783.0019 3631410.10 5.20% - 16s
0 0 3631410.10 0 683 3830783.00 3631410.10 5.20% - 16s
H 0 0 3804492.0939 3632910.09 4.51% - 16s
0 0 3633311.90 0 630 3804492.09 3633311.90 4.50% - 16s
0 0 3633322.57 0 633 3804492.09 3633322.57 4.50% - 16s
0 0 3633323.33 0 633 3804492.09 3633323.33 4.50% - 17s
H 0 0 3782108.4747 3633323.33 3.93% - 17s
H 0 0 3780094.4267 3679298.40 2.67% - 19s
H 0 0 3778475.3481 3679298.40 2.62% - 19s
H 0 0 3738458.2119 3679298.40 1.58% - 19s
0 0 3679298.40 0 534 3738458.21 3679298.40 1.58% - 20s
0 0 3680269.90 0 861 3738458.21 3680269.90 1.56% - 20s
0 0 3680343.51 0 861 3738458.21 3680343.51 1.55% - 20s
0 0 3680566.07 0 865 3738458.21 3680566.07 1.55% - 20s
0 0 3680680.39 0 856 3738458.21 3680680.39 1.55% - 20s
0 0 3680693.06 0 855 3738458.21 3680693.06 1.55% - 21s
0 0 3695622.25 0 447 3738458.21 3695622.25 1.15% - 23s
0 0 3698427.86 0 696 3738458.21 3698427.86 1.07% - 24s
0 0 3698505.68 0 629 3738458.21 3698505.68 1.07% - 24s
0 0 3698507.87 0 631 3738458.21 3698507.87 1.07% - 24s
H 0 0 3737797.1582 3698507.87 1.05% - 27s
0 0 3705100.39 0 747 3737797.16 3705100.39 0.87% - 27s
H 0 0 3737014.9537 3705714.99 0.84% - 28s
0 0 3705714.99 0 687 3737014.95 3705714.99 0.84% - 29s
0 0 3706372.15 0 737 3737014.95 3706372.15 0.82% - 29s
0 0 3708165.72 0 922 3737014.95 3708165.72 0.77% - 29s
0 0 3708713.14 0 833 3737014.95 3708713.14 0.76% - 30s
0 0 3708879.23 0 835 3737014.95 3708879.23 0.75% - 30s
0 0 3709038.44 0 1001 3737014.95 3709038.44 0.75% - 30s
0 0 3709093.72 0 920 3737014.95 3709093.72 0.75% - 30s
0 0 3709103.05 0 998 3737014.95 3709103.05 0.75% - 30s
H 0 0 3736504.4127 3711198.23 0.68% - 32s
0 0 3711198.23 0 783 3736504.41 3711198.23 0.68% - 32s
H 0 0 3731128.4685 3711351.24 0.53% - 33s
0 0 3711657.60 0 324 3731128.47 3711657.60 0.52% - 33s
0 0 3711697.76 0 750 3731128.47 3711697.76 0.52% - 34s
0 0 3711703.87 0 671 3731128.47 3711703.87 0.52% - 34s
0 0 3712119.56 0 647 3731128.47 3712119.56 0.51% - 35s
H 0 0 3730902.7830 3712124.88 0.50% - 36s
0 0 3712203.75 0 908 3730902.78 3712203.75 0.50% - 36s
0 0 3712210.18 0 904 3730902.78 3712210.18 0.50% - 36s
0 0 3712345.28 0 507 3730902.78 3712345.28 0.50% - 37s
0 0 3712440.13 0 848 3730902.78 3712440.13 0.49% - 38s
0 0 3712442.66 0 843 3730902.78 3712442.66 0.49% - 38s
0 0 3712528.85 0 729 3730902.78 3712528.85 0.49% - 39s
0 0 3712587.38 0 832 3730902.78 3712587.38 0.49% - 40s
0 0 3712611.64 0 836 3730902.78 3712611.64 0.49% - 41s
0 0 3712700.03 0 824 3730902.78 3712700.03 0.49% - 42s
H 0 0 3725527.6012 3712700.03 0.34% - 43s
0 0 3712700.28 0 504 3725527.60 3712700.28 0.34% - 49s
0 0 3712700.28 0 288 3725527.60 3712700.28 0.34% - 53s
0 0 3712700.28 0 288 3725527.60 3712700.28 0.34% - 53s
0 0 3712700.28 0 226 3725527.60 3712700.28 0.34% - 55s
0 0 3712700.28 0 392 3725527.60 3712700.28 0.34% - 55s
0 0 3712700.28 0 364 3725527.60 3712700.28 0.34% - 55s
0 0 3712700.28 0 330 3725527.60 3712700.28 0.34% - 56s
0 0 3712700.28 0 415 3725527.60 3712700.28 0.34% - 56s
0 0 3712700.28 0 370 3725527.60 3712700.28 0.34% - 57s
0 0 3712700.28 0 377 3725527.60 3712700.28 0.34% - 57s
0 0 3712700.28 0 404 3725527.60 3712700.28 0.34% - 57s
0 0 3712700.28 0 421 3725527.60 3712700.28 0.34% - 57s
H 0 0 3725521.9668 3712700.28 0.34% - 58s
0 0 3712700.28 0 421 3725521.97 3712700.28 0.34% - 58s
0 0 3712700.28 0 446 3725521.97 3712700.28 0.34% - 59s
0 0 3712763.05 0 446 3725521.97 3712763.05 0.34% - 61s
0 0 3712763.05 0 460 3725521.97 3712763.05 0.34% - 62s
0 0 3712790.24 0 423 3725521.97 3712790.24 0.34% - 63s
H 0 0 3725035.0753 3712792.49 0.33% - 64s
H 0 0 3724205.7463 3712792.49 0.31% - 68s
0 2 3712799.25 0 423 3724205.75 3712799.25 0.31% - 69s
7 10 3713094.28 3 372 3724205.75 3713094.28 0.30% 234 70s
177 149 3723880.70 37 80 3724205.75 3713250.18 0.29% 53.3 75s
H 257 211 3724203.0961 3713250.18 0.29% 41.1 79s
348 276 3716863.55 6 439 3724203.10 3714581.69 0.26% 35.2 80s
753 528 cutoff 13 3724203.10 3714992.15 0.25% 34.2 85s
H 908 572 3724115.7332 3715041.37 0.24% 35.2 89s
H 909 459 3723904.9295 3715041.37 0.24% 35.2 89s
911 525 3723503.29 23 68 3723904.93 3715041.37 0.24% 35.9 90s
1452 760 3723545.19 45 824 3723904.93 3716417.22 0.20% 32.7 107s
1454 761 3722405.76 24 165 3723904.93 3716417.22 0.20% 32.6 110s
1468 771 3723472.15 24 527 3723904.93 3716417.22 0.20% 32.3 115s
1486 783 3723452.07 71 454 3723904.93 3716417.22 0.20% 31.9 120s
1511 799 3723816.79 54 562 3723904.93 3716417.22 0.20% 31.4 125s
1530 812 3723758.97 85 558 3723904.93 3716417.22 0.20% 31.0 130s
1546 823 3723817.07 89 559 3723904.93 3717538.31 0.17% 30.7 135s
1555 829 3722403.16 14 467 3723904.93 3718195.58 0.15% 30.5 141s
1601 851 3723021.47 17 167 3723904.93 3718195.58 0.15% 47.5 145s
H 1657 806 3723892.4040 3718195.58 0.15% 46.8 147s
1783 823 3722630.11 14 339 3723892.40 3718335.81 0.15% 46.1 150s
H 1804 777 3723864.0164 3718335.81 0.15% 46.0 151s
2041 851 3722595.58 17 182 3723864.02 3720607.25 0.09% 43.7 155s
H 2204 825 3723850.3626 3721427.72 0.07% 42.3 157s
H 2212 785 3723833.8909 3721427.72 0.06% 42.4 157s
H 2213 737 3723797.1783 3721427.72 0.06% 42.5 157s
2525 918 3723683.08 28 106 3723797.18 3722535.18 0.03% 40.7 160s
3578 1253 3723237.64 36 95 3723797.18 3722750.22 0.03% 35.3 166s
4184 1657 3723057.75 24 102 3723797.18 3722829.70 0.03% 33.6 171s
H 5177 1563 3723578.2589 3722913.23 0.02% 31.1 175s
H 5225 1385 3723530.4039 3722918.92 0.02% 31.1 175s
* 5296 1292 89 3723497.7761 3722923.12 0.02% 30.9 175s
6628 1834 cutoff 38 3723497.78 3723006.05 0.01% 28.9 181s
H 7839 2238 3723497.5914 3723059.51 0.01% 27.7 189s
8121 2494 3723486.76 56 36 3723497.59 3723060.94 0.01% 27.5 192s
8738 2746 cutoff 24 3723497.59 3723085.57 0.01% 27.1 195s
10180 3195 cutoff 53 3723497.59 3723102.88 0.01% 25.9 201s
10655 3487 cutoff 39 3723497.59 3723110.70 0.01% 25.6 206s
Cutting planes:
Gomory: 3
Cover: 15
Implied bound: 283
MIR: 472
Mixing: 2
StrongCG: 3
Flow cover: 325
GUB cover: 1
Zero half: 3
RLT: 12
Relax-and-lift: 103
Explored 12145 nodes (391656 simplex iterations) in 209.55 seconds (202.16 work units)
Thread count was 8 (of 8 available processors)
Solution count 10: 3.7235e+06 3.7235e+06 3.72353e+06 ... 3.7239e+06
Optimal solution found (tolerance 1.00e-04)
Best objective 3.723497591396e+06, best bound 3.723130505451e+06, gap 0.0099%
User-callback calls 63883, time in user-callback 0.11 sec |
This was referenced Apr 8, 2024
Merged
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Closes #2469