Package evaluation of NonconvexPavito on Julia 1.11.4 (a71dd056e0*) started at 2025-04-08T21:30:51.376 ################################################################################ # Set-up # Installing PkgEval dependencies (TestEnv)... Set-up completed after 8.89s ################################################################################ # Installation # Installing NonconvexPavito... Resolving package versions... Updating `~/.julia/environments/v1.11/Project.toml` [75d5b151] + NonconvexPavito v0.1.5 Updating `~/.julia/environments/v1.11/Manifest.toml` [47edcb42] + ADTypes v1.14.0 ⌅ [c29ec348] + AbstractDifferentiation v0.4.4 [621f4979] + AbstractFFTs v1.5.0 [1520ce14] + AbstractTrees v0.4.5 [7d9f7c33] + Accessors v0.1.42 [79e6a3ab] + Adapt v4.3.0 [66dad0bd] + AliasTables v1.1.3 [ec485272] + ArnoldiMethod v0.4.0 [4fba245c] + ArrayInterface v7.18.0 [a9b6321e] + Atomix v1.1.1 [6e4b80f9] + BenchmarkTools v1.6.0 [e2ed5e7c] + Bijections v0.1.9 [fa961155] + CEnum v0.5.0 [96374032] + CRlibm v1.0.2 [9961bab8] + Cbc v1.2.0 [082447d4] + ChainRules v1.72.3 [d360d2e6] + ChainRulesCore v1.25.1 [523fee87] + CodecBzip2 v0.8.5 [944b1d66] + CodecZlib v0.7.8 [861a8166] + Combinatorics v1.0.2 [38540f10] + CommonSolve v0.2.4 [bbf7d656] + CommonSubexpressions v0.3.1 [f70d9fcc] + CommonWorldInvalidations v1.0.0 [34da2185] + Compat v4.16.0 [b152e2b5] + CompositeTypes v0.1.4 [a33af91c] + CompositionsBase v0.1.2 ⌅ [187b0558] + ConstructionBase v1.5.6 [9a962f9c] + DataAPI v1.16.0 [864edb3b] + DataStructures v0.18.22 [e2d170a0] + DataValueInterfaces v1.0.0 [163ba53b] + DiffResults v1.1.0 [b552c78f] + DiffRules v1.15.1 [c78775a3] + DifferentiableFlatten v0.1.1 [31c24e10] + Distributions v0.25.118 [ffbed154] + DocStringExtensions v0.9.4 [5b8099bc] + DomainSets v0.7.15 ⌅ [7c1d4256] + DynamicPolynomials v0.5.7 [4e289a0a] + EnumX v1.0.5 [90fa49ef] + ErrorfreeArithmetic v0.5.2 [e2ba6199] + ExprTools v0.1.10 [55351af7] + ExproniconLite v0.10.14 [9aa1b823] + FastClosures v0.3.2 [fa42c844] + FastRounding v0.3.1 [1a297f60] + FillArrays v1.13.0 [6a86dc24] + FiniteDiff v2.27.0 [1fa38f19] + Format v1.3.7 ⌅ [f6369f11] + ForwardDiff v0.10.38 [069b7b12] + FunctionWrappers v1.1.3 [77dc65aa] + FunctionWrappersWrappers v0.1.3 [0c68f7d7] + GPUArrays v11.2.2 [46192b85] + GPUArraysCore v0.2.0 [86223c79] + Graphs v1.12.1 [076d061b] + HashArrayMappedTries v0.2.0 [34004b35] + HypergeometricFunctions v0.3.28 [7869d1d1] + IRTools v0.4.14 [615f187c] + IfElse v0.1.1 [d25df0c9] + Inflate v0.1.5 ⌅ [d1acc4aa] + IntervalArithmetic v0.20.9 [8197267c] + IntervalSets v0.7.10 [3587e190] + InverseFunctions v0.1.17 [b6b21f68] + Ipopt v1.8.0 [92d709cd] + IrrationalConstants v0.2.4 [42fd0dbc] + IterativeSolvers v0.9.4 [82899510] + IteratorInterfaceExtensions v1.0.0 [692b3bcd] + JLLWrappers v1.7.0 [682c06a0] + JSON v0.21.4 [0f8b85d8] + JSON3 v1.14.2 [ae98c720] + Jieko v0.2.1 [4076af6c] + JuMP v1.25.0 [63c18a36] + KernelAbstractions v0.9.34 [929cbde3] + LLVM v9.2.0 [b964fa9f] + LaTeXStrings v1.4.0 [2ee39098] + LabelledArrays v1.16.1 ⌅ [984bce1d] + LambertW v0.4.6 [23fbe1c1] + Latexify v0.16.7 [7a12625a] + LinearMaps v3.11.4 [5c8ed15e] + LinearOperators v2.9.0 [2ab3a3ac] + LogExpFunctions v0.3.29 [1914dd2f] + MacroTools v0.5.15 [b8f27783] + MathOptInterface v1.38.1 [e1d29d7a] + Missings v1.2.0 [2e0e35c7] + Moshi v0.3.5 [102ac46a] + MultivariatePolynomials v0.5.7 [d8a4904e] + MutableArithmetics v1.6.4 [a4795742] + NLPModels v0.21.3 [77ba4419] + NaNMath v1.1.3 [d9ec5142] + NamedTupleTools v0.14.3 [035190e5] + NonconvexCore v1.4.3 [bf347577] + NonconvexIpopt v0.4.3 [75d5b151] + NonconvexPavito v0.1.5 [c48e48a2] + NonconvexUtils v0.4.3 [bac558e1] + OrderedCollections v1.8.0 [90014a1f] + PDMats v0.11.33 [65ce6f38] + PackageExtensionCompat v1.0.2 [d96e819e] + Parameters v0.12.3 [69de0a69] + Parsers v2.8.1 [cd433a01] + Pavito v0.3.9 [d236fae5] + PreallocationTools v0.4.26 ⌅ [aea7be01] + PrecompileTools v1.2.1 [21216c6a] + Preferences v1.4.3 [43287f4e] + PtrArrays v1.3.0 [1fd47b50] + QuadGK v2.11.2 [c1ae055f] + RealDot v0.1.0 [3cdcf5f2] + RecipesBase v1.3.4 [731186ca] + RecursiveArrayTools v3.31.2 [189a3867] + Reexport v1.2.2 [ae029012] + Requires v1.3.1 [79098fc4] + Rmath v0.8.0 [5eaf0fd0] + RoundingEmulator v0.2.1 [7e49a35a] + RuntimeGeneratedFunctions v0.5.13 [0bca4576] + SciMLBase v2.82.1 [c0aeaf25] + SciMLOperators v0.3.13 [53ae85a6] + SciMLStructures v1.7.0 [7e506255] + ScopedValues v1.3.0 [3cc68bcd] + SetRounding v0.2.1 [efcf1570] + Setfield v1.1.2 [699a6c99] + SimpleTraits v0.9.4 [ff4d7338] + SolverCore v0.3.8 [a2af1166] + SortingAlgorithms v1.2.1 ⌃ [47a9eef4] + SparseDiffTools v2.23.1 [dc90abb0] + SparseInverseSubset v0.1.2 [276daf66] + SpecialFunctions v2.5.0 [aedffcd0] + Static v1.2.0 [0d7ed370] + StaticArrayInterface v1.8.0 [90137ffa] + StaticArrays v1.9.13 [1e83bf80] + StaticArraysCore v1.4.3 [10745b16] + Statistics v1.11.1 [82ae8749] + StatsAPI v1.7.0 [2913bbd2] + StatsBase v0.34.4 [4c63d2b9] + StatsFuns v1.4.0 [09ab397b] + StructArrays v0.7.1 [856f2bd8] + StructTypes v1.11.0 [2efcf032] + SymbolicIndexingInterface v0.3.38 ⌃ [19f23fe9] + SymbolicLimits v0.2.1 ⌅ [d1185830] + SymbolicUtils v2.1.3 ⌅ [0c5d862f] + Symbolics v5.36.0 [3783bdb8] + TableTraits v1.0.1 [bd369af6] + Tables v1.12.0 ⌅ [8ea1fca8] + TermInterface v0.4.1 [a759f4b9] + TimerOutputs v0.5.28 [3bb67fe8] + TranscodingStreams v0.11.3 [3a884ed6] + UnPack v1.0.2 [a7c27f48] + Unityper v0.1.6 [013be700] + UnsafeAtomics v0.3.0 [19fa3120] + VertexSafeGraphs v0.2.0 ⌅ [e88e6eb3] + Zygote v0.6.76 [700de1a5] + ZygoteRules v0.2.7 [ae81ac8f] + ASL_jll v0.1.3+0 [6e34b625] + Bzip2_jll v1.0.9+0 [4e9b3aee] + CRlibm_jll v1.0.1+0 [38041ee0] + Cbc_jll v200.1000.800+0 [3830e938] + Cgl_jll v0.6000.600+0 ⌅ [06985876] + Clp_jll v100.1700.700+1 ⌅ [be027038] + CoinUtils_jll v200.1100.600+0 [e33a78d0] + Hwloc_jll v2.12.0+0 [9cc047cb] + Ipopt_jll v300.1400.1700+0 [dad2f222] + LLVMExtra_jll v0.0.35+0 [d00139f3] + METIS_jll v5.1.3+0 [d7ed1dd3] + MUMPS_seq_jll v500.700.301+0 [656ef2d0] + OpenBLAS32_jll v0.3.29+0 [efe28fd5] + OpenSpecFun_jll v0.5.6+0 ⌅ [7da25872] + Osi_jll v0.10800.700+0 [f50d1b31] + Rmath_jll v0.5.1+0 ⌅ [319450e9] + SPRAL_jll v2024.5.8+0 [0dad84c5] + ArgTools v1.1.2 [56f22d72] + Artifacts v1.11.0 [2a0f44e3] + Base64 v1.11.0 [ade2ca70] + Dates v1.11.0 [8ba89e20] + Distributed v1.11.0 [f43a241f] + Downloads v1.6.0 [7b1f6079] + FileWatching v1.11.0 [9fa8497b] + Future v1.11.0 [b77e0a4c] + InteractiveUtils v1.11.0 [4af54fe1] + LazyArtifacts v1.11.0 [b27032c2] + LibCURL v0.6.4 [76f85450] + LibGit2 v1.11.0 [8f399da3] + Libdl v1.11.0 [37e2e46d] + LinearAlgebra v1.11.0 [56ddb016] + Logging v1.11.0 [d6f4376e] + Markdown v1.11.0 [a63ad114] + Mmap v1.11.0 [ca575930] + NetworkOptions v1.2.0 [44cfe95a] + Pkg v1.11.0 [de0858da] + Printf v1.11.0 [9abbd945] + Profile v1.11.0 [9a3f8284] + Random v1.11.0 [ea8e919c] + SHA v0.7.0 [9e88b42a] + Serialization v1.11.0 [1a1011a3] + SharedArrays v1.11.0 [6462fe0b] + Sockets v1.11.0 [2f01184e] + SparseArrays v1.11.0 [4607b0f0] + SuiteSparse [fa267f1f] + TOML v1.0.3 [a4e569a6] + Tar v1.10.0 [8dfed614] + Test v1.11.0 [cf7118a7] + UUIDs v1.11.0 [4ec0a83e] + Unicode v1.11.0 [e66e0078] + CompilerSupportLibraries_jll v1.1.1+0 [deac9b47] + LibCURL_jll v8.6.0+0 [e37daf67] + LibGit2_jll v1.7.2+0 [29816b5a] + LibSSH2_jll v1.11.0+1 [c8ffd9c3] + MbedTLS_jll v2.28.6+0 [14a3606d] + MozillaCACerts_jll v2023.12.12 [4536629a] + OpenBLAS_jll v0.3.27+1 [05823500] + OpenLibm_jll v0.8.5+0 [bea87d4a] + SuiteSparse_jll v7.7.0+0 [83775a58] + Zlib_jll v1.2.13+1 [8e850b90] + libblastrampoline_jll v5.11.0+0 [8e850ede] + nghttp2_jll v1.59.0+0 [3f19e933] + p7zip_jll v17.4.0+2 Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. To see why use `status --outdated -m` Installation completed after 8.29s ################################################################################ # Precompilation # Precompiling PkgEval dependencies... Precompiling package dependencies... Precompilation completed after 27.93s ################################################################################ # Testing # Testing NonconvexPavito Status `/tmp/jl_E7TBvm/Project.toml` [9961bab8] Cbc v1.2.0 [b6b21f68] Ipopt v1.8.0 [4076af6c] JuMP v1.25.0 [b8f27783] MathOptInterface v1.38.1 [035190e5] NonconvexCore v1.4.3 [bf347577] NonconvexIpopt v0.4.3 [75d5b151] NonconvexPavito v0.1.5 [d96e819e] Parameters v0.12.3 [cd433a01] Pavito v0.3.9 [189a3867] Reexport v1.2.2 [37e2e46d] LinearAlgebra v1.11.0 [8dfed614] Test v1.11.0 Status `/tmp/jl_E7TBvm/Manifest.toml` [47edcb42] ADTypes v1.14.0 ⌅ [c29ec348] AbstractDifferentiation v0.4.4 [621f4979] AbstractFFTs v1.5.0 [1520ce14] AbstractTrees v0.4.5 [7d9f7c33] Accessors v0.1.42 [79e6a3ab] Adapt v4.3.0 [66dad0bd] AliasTables v1.1.3 [ec485272] ArnoldiMethod v0.4.0 [4fba245c] ArrayInterface v7.18.0 [a9b6321e] Atomix v1.1.1 [6e4b80f9] BenchmarkTools v1.6.0 [e2ed5e7c] Bijections v0.1.9 [fa961155] CEnum v0.5.0 [96374032] CRlibm v1.0.2 [9961bab8] Cbc v1.2.0 [082447d4] ChainRules v1.72.3 [d360d2e6] ChainRulesCore v1.25.1 [523fee87] CodecBzip2 v0.8.5 [944b1d66] CodecZlib v0.7.8 [861a8166] Combinatorics v1.0.2 [38540f10] CommonSolve v0.2.4 [bbf7d656] CommonSubexpressions v0.3.1 [f70d9fcc] CommonWorldInvalidations v1.0.0 [34da2185] Compat v4.16.0 [b152e2b5] CompositeTypes v0.1.4 [a33af91c] CompositionsBase v0.1.2 ⌅ [187b0558] ConstructionBase v1.5.6 [9a962f9c] DataAPI v1.16.0 [864edb3b] DataStructures v0.18.22 [e2d170a0] DataValueInterfaces v1.0.0 [163ba53b] DiffResults v1.1.0 [b552c78f] DiffRules v1.15.1 [c78775a3] DifferentiableFlatten v0.1.1 [31c24e10] Distributions v0.25.118 [ffbed154] DocStringExtensions v0.9.4 [5b8099bc] DomainSets v0.7.15 ⌅ [7c1d4256] DynamicPolynomials v0.5.7 [4e289a0a] EnumX v1.0.5 [90fa49ef] ErrorfreeArithmetic v0.5.2 [e2ba6199] ExprTools v0.1.10 [55351af7] ExproniconLite v0.10.14 [9aa1b823] FastClosures v0.3.2 [fa42c844] FastRounding v0.3.1 [1a297f60] FillArrays v1.13.0 [6a86dc24] FiniteDiff v2.27.0 [1fa38f19] Format v1.3.7 ⌅ [f6369f11] ForwardDiff v0.10.38 [069b7b12] FunctionWrappers v1.1.3 [77dc65aa] FunctionWrappersWrappers v0.1.3 [0c68f7d7] GPUArrays v11.2.2 [46192b85] GPUArraysCore v0.2.0 [86223c79] Graphs v1.12.1 [076d061b] HashArrayMappedTries v0.2.0 [34004b35] HypergeometricFunctions v0.3.28 [7869d1d1] IRTools v0.4.14 [615f187c] IfElse v0.1.1 [d25df0c9] Inflate v0.1.5 ⌅ [d1acc4aa] IntervalArithmetic v0.20.9 [8197267c] IntervalSets v0.7.10 [3587e190] InverseFunctions v0.1.17 [b6b21f68] Ipopt v1.8.0 [92d709cd] IrrationalConstants v0.2.4 [42fd0dbc] IterativeSolvers v0.9.4 [82899510] IteratorInterfaceExtensions v1.0.0 [692b3bcd] JLLWrappers v1.7.0 [682c06a0] JSON v0.21.4 [0f8b85d8] JSON3 v1.14.2 [ae98c720] Jieko v0.2.1 [4076af6c] JuMP v1.25.0 [63c18a36] KernelAbstractions v0.9.34 [929cbde3] LLVM v9.2.0 [b964fa9f] LaTeXStrings v1.4.0 [2ee39098] LabelledArrays v1.16.1 ⌅ [984bce1d] LambertW v0.4.6 [23fbe1c1] Latexify v0.16.7 [7a12625a] LinearMaps v3.11.4 [5c8ed15e] LinearOperators v2.9.0 [2ab3a3ac] LogExpFunctions v0.3.29 [1914dd2f] MacroTools v0.5.15 [b8f27783] MathOptInterface v1.38.1 [e1d29d7a] Missings v1.2.0 [2e0e35c7] Moshi v0.3.5 [102ac46a] MultivariatePolynomials v0.5.7 [d8a4904e] MutableArithmetics v1.6.4 [a4795742] NLPModels v0.21.3 [77ba4419] NaNMath v1.1.3 [d9ec5142] NamedTupleTools v0.14.3 [035190e5] NonconvexCore v1.4.3 [bf347577] NonconvexIpopt v0.4.3 [75d5b151] NonconvexPavito v0.1.5 [c48e48a2] NonconvexUtils v0.4.3 [bac558e1] OrderedCollections v1.8.0 [90014a1f] PDMats v0.11.33 [65ce6f38] PackageExtensionCompat v1.0.2 [d96e819e] Parameters v0.12.3 [69de0a69] Parsers v2.8.1 [cd433a01] Pavito v0.3.9 [d236fae5] PreallocationTools v0.4.26 ⌅ [aea7be01] PrecompileTools v1.2.1 [21216c6a] Preferences v1.4.3 [43287f4e] PtrArrays v1.3.0 [1fd47b50] QuadGK v2.11.2 [c1ae055f] RealDot v0.1.0 [3cdcf5f2] RecipesBase v1.3.4 [731186ca] RecursiveArrayTools v3.31.2 [189a3867] Reexport v1.2.2 [ae029012] Requires v1.3.1 [79098fc4] Rmath v0.8.0 [5eaf0fd0] RoundingEmulator v0.2.1 [7e49a35a] RuntimeGeneratedFunctions v0.5.13 [0bca4576] SciMLBase v2.82.1 [c0aeaf25] SciMLOperators v0.3.13 [53ae85a6] SciMLStructures v1.7.0 [7e506255] ScopedValues v1.3.0 [3cc68bcd] SetRounding v0.2.1 [efcf1570] Setfield v1.1.2 [699a6c99] SimpleTraits v0.9.4 [ff4d7338] SolverCore v0.3.8 [a2af1166] SortingAlgorithms v1.2.1 ⌃ [47a9eef4] SparseDiffTools v2.23.1 [dc90abb0] SparseInverseSubset v0.1.2 [276daf66] SpecialFunctions v2.5.0 [aedffcd0] Static v1.2.0 [0d7ed370] StaticArrayInterface v1.8.0 [90137ffa] StaticArrays v1.9.13 [1e83bf80] StaticArraysCore v1.4.3 [10745b16] Statistics v1.11.1 [82ae8749] StatsAPI v1.7.0 [2913bbd2] StatsBase v0.34.4 [4c63d2b9] StatsFuns v1.4.0 [09ab397b] StructArrays v0.7.1 [856f2bd8] StructTypes v1.11.0 [2efcf032] SymbolicIndexingInterface v0.3.38 ⌃ [19f23fe9] SymbolicLimits v0.2.1 ⌅ [d1185830] SymbolicUtils v2.1.3 ⌅ [0c5d862f] Symbolics v5.36.0 [3783bdb8] TableTraits v1.0.1 [bd369af6] Tables v1.12.0 ⌅ [8ea1fca8] TermInterface v0.4.1 [a759f4b9] TimerOutputs v0.5.28 [3bb67fe8] TranscodingStreams v0.11.3 [3a884ed6] UnPack v1.0.2 [a7c27f48] Unityper v0.1.6 [013be700] UnsafeAtomics v0.3.0 [19fa3120] VertexSafeGraphs v0.2.0 ⌅ [e88e6eb3] Zygote v0.6.76 [700de1a5] ZygoteRules v0.2.7 [ae81ac8f] ASL_jll v0.1.3+0 [6e34b625] Bzip2_jll v1.0.9+0 [4e9b3aee] CRlibm_jll v1.0.1+0 [38041ee0] Cbc_jll v200.1000.800+0 [3830e938] Cgl_jll v0.6000.600+0 ⌅ [06985876] Clp_jll v100.1700.700+1 ⌅ [be027038] CoinUtils_jll v200.1100.600+0 [e33a78d0] Hwloc_jll v2.12.0+0 [9cc047cb] Ipopt_jll v300.1400.1700+0 [dad2f222] LLVMExtra_jll v0.0.35+0 [d00139f3] METIS_jll v5.1.3+0 [d7ed1dd3] MUMPS_seq_jll v500.700.301+0 [656ef2d0] OpenBLAS32_jll v0.3.29+0 [efe28fd5] OpenSpecFun_jll v0.5.6+0 ⌅ [7da25872] Osi_jll v0.10800.700+0 [f50d1b31] Rmath_jll v0.5.1+0 ⌅ [319450e9] SPRAL_jll v2024.5.8+0 [0dad84c5] ArgTools v1.1.2 [56f22d72] Artifacts v1.11.0 [2a0f44e3] Base64 v1.11.0 [ade2ca70] Dates v1.11.0 [8ba89e20] Distributed v1.11.0 [f43a241f] Downloads v1.6.0 [7b1f6079] FileWatching v1.11.0 [9fa8497b] Future v1.11.0 [b77e0a4c] InteractiveUtils v1.11.0 [4af54fe1] LazyArtifacts v1.11.0 [b27032c2] LibCURL v0.6.4 [76f85450] LibGit2 v1.11.0 [8f399da3] Libdl v1.11.0 [37e2e46d] LinearAlgebra v1.11.0 [56ddb016] Logging v1.11.0 [d6f4376e] Markdown v1.11.0 [a63ad114] Mmap v1.11.0 [ca575930] NetworkOptions v1.2.0 [44cfe95a] Pkg v1.11.0 [de0858da] Printf v1.11.0 [9abbd945] Profile v1.11.0 [9a3f8284] Random v1.11.0 [ea8e919c] SHA v0.7.0 [9e88b42a] Serialization v1.11.0 [1a1011a3] SharedArrays v1.11.0 [6462fe0b] Sockets v1.11.0 [2f01184e] SparseArrays v1.11.0 [4607b0f0] SuiteSparse [fa267f1f] TOML v1.0.3 [a4e569a6] Tar v1.10.0 [8dfed614] Test v1.11.0 [cf7118a7] UUIDs v1.11.0 [4ec0a83e] Unicode v1.11.0 [e66e0078] CompilerSupportLibraries_jll v1.1.1+0 [deac9b47] LibCURL_jll v8.6.0+0 [e37daf67] LibGit2_jll v1.7.2+0 [29816b5a] LibSSH2_jll v1.11.0+1 [c8ffd9c3] MbedTLS_jll v2.28.6+0 [14a3606d] MozillaCACerts_jll v2023.12.12 [4536629a] OpenBLAS_jll v0.3.27+1 [05823500] OpenLibm_jll v0.8.5+0 [bea87d4a] SuiteSparse_jll v7.7.0+0 [83775a58] Zlib_jll v1.2.13+1 [8e850b90] libblastrampoline_jll v5.11.0+0 [8e850ede] nghttp2_jll v1.59.0+0 [3f19e933] p7zip_jll v17.4.0+2 Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. Testing Running tests... MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... ****************************************************************************** This program contains Ipopt, a library for large-scale nonlinear optimization. Ipopt is released as open source code under the Eclipse Public License (EPL). For more information visit https://github.com/coin-or/Ipopt ****************************************************************************** This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4839416e+00 3.30e+00 1.57e-01 -5.4 3.51e-01 - 9.52e-01 1.00e+00h 1 2 1.3048472e+00 8.02e-01 3.19e-01 -6.7 4.99e-01 - 9.30e-01 1.00e+00h 1 3 1.0533955e+00 9.73e-02 4.48e-01 -2.6 6.61e-01 - 1.00e+00 1.00e+00h 1 4 5.8982897e-01 0.00e+00 8.25e-01 -3.6 9.23e-01 - 1.00e+00 1.00e+00h 1 5 4.0024267e-01 3.68e-01 1.10e+00 -1.7 1.63e+00 - 1.00e+00 3.42e-01h 1 6 5.9531365e-01 4.06e-03 1.04e+00 -2.0 2.70e-01 - 8.80e-01 1.00e+00h 1 7 5.5076681e-01 0.00e+00 2.84e-01 -2.7 2.49e-01 - 1.00e+00 1.00e+00h 1 8 5.4546369e-01 2.21e-04 5.12e-03 -3.4 2.70e-02 - 1.00e+00 9.67e-01h 1 9 5.4435008e-01 0.00e+00 1.90e-02 -5.4 2.07e-03 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433135e-01 0.00e+00 1.11e-04 -7.1 2.84e-05 - 1.00e+00 9.76e-01h 1 11 5.4433104e-01 0.00e+00 8.90e-07 -11.0 5.32e-07 - 1.00e+00 1.00e+00h 1 12 5.4433104e-01 0.00e+00 1.23e-10 -11.0 1.98e-10 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 12 (scaled) (unscaled) Objective...............: 5.4433104478623084e-01 5.4433104478623084e-01 Dual infeasibility......: 1.2290779505264027e-10 1.2290779505264027e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000026449328530e-11 1.0000026449328530e-11 Overall NLP error.......: 1.2290779505264027e-10 1.2290779505264027e-10 Number of objective function evaluations = 13 Number of objective gradient evaluations = 13 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 13 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 13 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 7.126 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525794e-01 | >1000 | 5.860e+01 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.952579 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.9525793512948707, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.01 (Wallclock seconds): 0.01 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0.00e+00 5.58e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4917336e+00 0.00e+00 2.77e-02 -5.5 1.20e-01 - 9.75e-01 1.00e+00f 1 2 1.3932842e+00 0.00e+00 1.03e-01 -2.4 2.84e-01 - 9.99e-01 1.00e+00f 1 3 1.2638096e+00 0.00e+00 1.27e-01 -3.8 3.44e-01 - 1.00e+00 1.00e+00f 1 4 1.0998287e+00 0.00e+00 1.49e-01 -4.6 3.88e-01 - 1.00e+00 1.00e+00f 1 5 1.0010476e+00 0.00e+00 1.61e-01 -5.3 4.40e-01 - 1.00e+00 4.72e-01f 1 6 1.0000105e+00 0.00e+00 2.09e-02 -6.1 6.22e-02 - 1.00e+00 3.34e-02f 1 7 1.0000001e+00 0.00e+00 9.58e-06 -6.7 2.35e-05 - 1.00e+00 8.82e-01f 1 8 1.0000000e+00 0.00e+00 8.73e-08 -11.0 2.10e-07 - 1.00e+00 1.00e+00f 1 9 1.0000000e+00 0.00e+00 5.04e-12 -11.0 1.21e-11 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 9 (scaled) (unscaled) Objective...............: 9.9999999500999992e-01 9.9999999500999992e-01 Dual infeasibility......: 5.0438542231745487e-12 5.0438542231745487e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000003171940096e-11 1.0000003171940096e-11 Overall NLP error.......: 1.0000003171940096e-11 1.0000003171940096e-11 Number of objective function evaluations = 10 Number of objective gradient evaluations = 10 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 10 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 10 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.016 EXIT: Optimal Solution Found. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 6.290e+01 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 64.07362 sec MIP total time 32.18315 sec NLP total time 14.63803 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4839416e+00 3.30e+00 1.57e-01 -5.4 3.51e-01 - 9.52e-01 1.00e+00h 1 2 1.3048472e+00 8.02e-01 3.19e-01 -6.7 4.99e-01 - 9.30e-01 1.00e+00h 1 3 1.0533955e+00 9.73e-02 4.48e-01 -2.6 6.61e-01 - 1.00e+00 1.00e+00h 1 4 5.8982897e-01 0.00e+00 8.25e-01 -3.6 9.23e-01 - 1.00e+00 1.00e+00h 1 5 4.0024267e-01 3.68e-01 1.10e+00 -1.7 1.63e+00 - 1.00e+00 3.42e-01h 1 6 5.9531365e-01 4.06e-03 1.04e+00 -2.0 2.70e-01 - 8.80e-01 1.00e+00h 1 7 5.5076681e-01 0.00e+00 2.84e-01 -2.7 2.49e-01 - 1.00e+00 1.00e+00h 1 8 5.4546369e-01 2.21e-04 5.12e-03 -3.4 2.70e-02 - 1.00e+00 9.67e-01h 1 9 5.4435008e-01 0.00e+00 1.90e-02 -5.4 2.07e-03 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433135e-01 0.00e+00 1.11e-04 -7.1 2.84e-05 - 1.00e+00 9.76e-01h 1 11 5.4433104e-01 0.00e+00 8.90e-07 -11.0 5.32e-07 - 1.00e+00 1.00e+00h 1 12 5.4433104e-01 0.00e+00 1.23e-10 -11.0 1.98e-10 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 12 (scaled) (unscaled) Objective...............: 5.4433104478623084e-01 5.4433104478623084e-01 Dual infeasibility......: 1.2290779505264027e-10 1.2290779505264027e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000026449328530e-11 1.0000026449328530e-11 Overall NLP error.......: 1.2290779505264027e-10 1.2290779505264027e-10 Number of objective function evaluations = 13 Number of objective gradient evaluations = 13 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 13 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 13 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.019 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 3.126e-02 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.0000000e+00 1.40e+01 9.95e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.0000000e+00 3.91e+00 5.05e-02 -5.6 3.84e-01 - 9.48e-01 1.00e+00h 1 2 1.0000000e+00 9.10e-01 7.65e-02 -2.4 2.29e-01 - 9.97e-01 1.00e+00h 1 3 1.0000000e+00 1.08e-01 4.31e-02 -3.9 1.03e-01 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 5.25e-03 -4.7 2.91e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 2.97e-05 -6.0 1.69e-03 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 1.75e-10 -11.0 4.60e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 6 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 1.7473112512335106e-10 1.7473112512335106e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 6.1583413772522774e-11 6.1583413772522774e-11 Overall NLP error.......: 1.7473112512335106e-10 1.7473112512335106e-10 Number of objective function evaluations = 7 Number of objective gradient evaluations = 7 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 7 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 7 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.011 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.04396 sec MIP total time 0.00898 sec NLP total time 0.03342 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4839416e+00 3.30e+00 1.57e-01 -5.4 3.51e-01 - 9.52e-01 1.00e+00h 1 2 1.3048472e+00 8.02e-01 3.19e-01 -6.7 4.99e-01 - 9.30e-01 1.00e+00h 1 3 1.0533955e+00 9.73e-02 4.48e-01 -2.6 6.61e-01 - 1.00e+00 1.00e+00h 1 4 5.8982897e-01 0.00e+00 8.25e-01 -3.6 9.23e-01 - 1.00e+00 1.00e+00h 1 5 4.0024267e-01 3.68e-01 1.10e+00 -1.7 1.63e+00 - 1.00e+00 3.42e-01h 1 6 5.9531365e-01 4.06e-03 1.04e+00 -2.0 2.70e-01 - 8.80e-01 1.00e+00h 1 7 5.5076681e-01 0.00e+00 2.84e-01 -2.7 2.49e-01 - 1.00e+00 1.00e+00h 1 8 5.4546369e-01 2.21e-04 5.12e-03 -3.4 2.70e-02 - 1.00e+00 9.67e-01h 1 9 5.4435008e-01 0.00e+00 1.90e-02 -5.4 2.07e-03 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433135e-01 0.00e+00 1.11e-04 -7.1 2.84e-05 - 1.00e+00 9.76e-01h 1 11 5.4433104e-01 0.00e+00 8.90e-07 -11.0 5.32e-07 - 1.00e+00 1.00e+00h 1 12 5.4433104e-01 0.00e+00 1.23e-10 -11.0 1.98e-10 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 12 (scaled) (unscaled) Objective...............: 5.4433104478623084e-01 5.4433104478623084e-01 Dual infeasibility......: 1.2290779505264027e-10 1.2290779505264027e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000026449328530e-11 1.0000026449328530e-11 Overall NLP error.......: 1.2290779505264027e-10 1.2290779505264027e-10 Number of objective function evaluations = 13 Number of objective gradient evaluations = 13 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 13 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 13 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.294 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525794e-01 | >1000 | 5.141e-01 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.952579 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.9525793512948707, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0.00e+00 5.58e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4917336e+00 0.00e+00 2.77e-02 -5.5 1.20e-01 - 9.75e-01 1.00e+00f 1 2 1.3932842e+00 0.00e+00 1.03e-01 -2.4 2.84e-01 - 9.99e-01 1.00e+00f 1 3 1.2638096e+00 0.00e+00 1.27e-01 -3.8 3.44e-01 - 1.00e+00 1.00e+00f 1 4 1.0998287e+00 0.00e+00 1.49e-01 -4.6 3.88e-01 - 1.00e+00 1.00e+00f 1 5 1.0010476e+00 0.00e+00 1.61e-01 -5.3 4.40e-01 - 1.00e+00 4.72e-01f 1 6 1.0000105e+00 0.00e+00 2.09e-02 -6.1 6.22e-02 - 1.00e+00 3.34e-02f 1 7 1.0000001e+00 0.00e+00 9.58e-06 -6.7 2.35e-05 - 1.00e+00 8.82e-01f 1 8 1.0000000e+00 0.00e+00 8.73e-08 -11.0 2.10e-07 - 1.00e+00 1.00e+00f 1 9 1.0000000e+00 0.00e+00 5.04e-12 -11.0 1.21e-11 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 9 (scaled) (unscaled) Objective...............: 9.9999999500999992e-01 9.9999999500999992e-01 Dual infeasibility......: 5.0438542231745487e-12 5.0438542231745487e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000003171940096e-11 1.0000003171940096e-11 Overall NLP error.......: 1.0000003171940096e-11 1.0000003171940096e-11 Number of objective function evaluations = 10 Number of objective gradient evaluations = 10 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 10 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 10 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.011 EXIT: Optimal Solution Found. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 5.338e-01 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 0.53393 sec MIP total time 0.01486 sec NLP total time 0.32348 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4839416e+00 3.30e+00 1.57e-01 -5.4 3.51e-01 - 9.52e-01 1.00e+00h 1 2 1.3048472e+00 8.02e-01 3.19e-01 -6.7 4.99e-01 - 9.30e-01 1.00e+00h 1 3 1.0533955e+00 9.73e-02 4.48e-01 -2.6 6.61e-01 - 1.00e+00 1.00e+00h 1 4 5.8982897e-01 0.00e+00 8.25e-01 -3.6 9.23e-01 - 1.00e+00 1.00e+00h 1 5 4.0024267e-01 3.68e-01 1.10e+00 -1.7 1.63e+00 - 1.00e+00 3.42e-01h 1 6 5.9531365e-01 4.06e-03 1.04e+00 -2.0 2.70e-01 - 8.80e-01 1.00e+00h 1 7 5.5076681e-01 0.00e+00 2.84e-01 -2.7 2.49e-01 - 1.00e+00 1.00e+00h 1 8 5.4546369e-01 2.21e-04 5.12e-03 -3.4 2.70e-02 - 1.00e+00 9.67e-01h 1 9 5.4435008e-01 0.00e+00 1.90e-02 -5.4 2.07e-03 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433135e-01 0.00e+00 1.11e-04 -7.1 2.84e-05 - 1.00e+00 9.76e-01h 1 11 5.4433104e-01 0.00e+00 8.90e-07 -11.0 5.32e-07 - 1.00e+00 1.00e+00h 1 12 5.4433104e-01 0.00e+00 1.23e-10 -11.0 1.98e-10 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 12 (scaled) (unscaled) Objective...............: 5.4433104478623084e-01 5.4433104478623084e-01 Dual infeasibility......: 1.2290779505264027e-10 1.2290779505264027e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000026449328530e-11 1.0000026449328530e-11 Overall NLP error.......: 1.2290779505264027e-10 1.2290779505264027e-10 Number of objective function evaluations = 13 Number of objective gradient evaluations = 13 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 13 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 13 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.017 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 2.840e-02 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.0000000e+00 1.40e+01 9.95e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.0000000e+00 3.91e+00 5.05e-02 -5.6 3.84e-01 - 9.48e-01 1.00e+00h 1 2 1.0000000e+00 9.10e-01 7.65e-02 -2.4 2.29e-01 - 9.97e-01 1.00e+00h 1 3 1.0000000e+00 1.08e-01 4.31e-02 -3.9 1.03e-01 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 5.25e-03 -4.7 2.91e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 2.97e-05 -6.0 1.69e-03 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 1.75e-10 -11.0 4.60e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 6 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 1.7473112512335106e-10 1.7473112512335106e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 6.1583413772522774e-11 6.1583413772522774e-11 Overall NLP error.......: 1.7473112512335106e-10 1.7473112512335106e-10 Number of objective function evaluations = 7 Number of objective gradient evaluations = 7 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 7 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 7 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.010 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.03998 sec MIP total time 0.00912 sec NLP total time 0.02994 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 2 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.72e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4803481e+00 3.30e+00 1.65e-01 -5.8 3.52e-01 - 1.00e+00 1.00e+00h 1 2 1.2685150e+00 8.40e-01 3.48e-01 -6.8 5.82e-01 - 1.00e+00 1.00e+00h 1 3 9.5252729e-01 4.30e-02 5.03e-01 -2.6 7.84e-01 - 9.95e-01 1.00e+00h 1 4 5.1212396e-01 5.54e-02 9.50e-01 -4.2 1.18e+00 - 1.00e+00 6.85e-01h 1 5 3.9391736e-01 4.69e-01 1.13e+00 -2.2 2.27e+00 - 1.00e+00 2.07e-01h 1 6 5.1846953e-01 6.49e-02 5.53e-01 -1.9 8.69e-01 - 1.00e+00 4.80e-01h 1 7 5.4557200e-01 6.15e-03 2.98e-01 -2.1 4.21e-01 - 1.00e+00 9.90e-01h 1 8 5.4591049e-01 0.00e+00 9.06e-03 -3.9 5.29e-03 - 1.00e+00 1.00e+00h 1 9 5.4435013e-01 0.00e+00 3.03e-03 -5.4 2.19e-03 - 1.00e+00 9.98e-01h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433113e-01 0.00e+00 1.60e-05 -7.2 2.40e-05 - 1.00e+00 9.98e-01h 1 11 5.4433104e-01 0.00e+00 6.93e-08 -11.0 1.61e-07 - 1.00e+00 1.00e+00h 1 12 5.4433104e-01 0.00e+00 4.71e-12 -11.0 5.58e-12 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 12 (scaled) (unscaled) Objective...............: 5.4433104478623073e-01 5.4433104478623073e-01 Dual infeasibility......: 4.7062354013860386e-12 4.7062354013860386e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000000274257271e-11 1.0000000274257271e-11 Overall NLP error.......: 1.0000000274257271e-11 1.0000000274257271e-11 Number of objective function evaluations = 13 Number of objective gradient evaluations = 13 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 13 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 13 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.202 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525794e-01 | >1000 | 4.227e-01 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 2 rows, 2 columns (1 integer (0 of which binary)) and 4 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.680414 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.9525793512948706, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 1 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0.00e+00 8.91e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4897129e+00 0.00e+00 4.50e-02 -5.7 1.26e-01 - 1.00e+00 1.00e+00f 1 2 1.3859678e+00 0.00e+00 1.08e-01 -6.9 2.98e-01 - 1.00e+00 1.00e+00f 1 3 1.2535760e+00 0.00e+00 1.29e-01 -7.8 3.49e-01 - 1.00e+00 1.00e+00f 1 4 1.0859133e+00 0.00e+00 1.51e-01 -8.5 3.92e-01 - 1.00e+00 1.00e+00f 1 5 1.0008956e+00 0.00e+00 1.61e-01 -9.2 4.45e-01 - 1.00e+00 3.98e-01f 1 6 1.0000090e+00 0.00e+00 1.81e-02 -10.0 5.39e-02 - 1.00e+00 3.29e-02f 1 7 1.0000001e+00 0.00e+00 8.11e-06 -7.0 1.99e-05 - 1.00e+00 8.92e-01f 1 8 1.0000000e+00 0.00e+00 7.47e-08 -11.0 1.79e-07 - 1.00e+00 1.00e+00f 1 9 1.0000000e+00 0.00e+00 3.63e-12 -11.0 8.72e-12 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 9 (scaled) (unscaled) Objective...............: 9.9999999500999992e-01 9.9999999500999992e-01 Dual infeasibility......: 3.6348701826227625e-12 3.6348701826227625e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 1.0000001954100218e-11 1.0000001954100218e-11 Overall NLP error.......: 1.0000001954100218e-11 1.0000001954100218e-11 Number of objective function evaluations = 10 Number of objective gradient evaluations = 10 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 10 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 10 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.013 EXIT: Optimal Solution Found. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 4.444e-01 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 0.44459 sec MIP total time 0.01434 sec NLP total time 0.23324 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 2 variables with only lower bounds: 2 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 1.347e-01 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724191403735, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 0 Total number of variables............................: 1 variables with only lower bounds: 1 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.0000000e+00 1.40e+01 9.67e-01 0.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.0000000e+00 3.91e+00 1.91e-02 -6.1 3.84e-01 - 1.00e+00 1.00e+00h 1 2 1.0000000e+00 8.82e-01 7.40e-02 -2.6 2.32e-01 - 9.96e-01 1.00e+00h 1 3 1.0000000e+00 8.80e-02 4.03e-02 -7.7 1.03e-01 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 4.79e-03 -8.6 2.92e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 2.66e-05 -6.0 1.66e-03 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 1.29e-10 -11.0 4.48e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 6 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 1.2937721299307604e-10 1.2937721299307604e-10 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 4.6512502407533024e-11 4.6512502407533024e-11 Overall NLP error.......: 1.2937721299307604e-10 1.2937721299307604e-10 Number of objective function evaluations = 7 Number of objective gradient evaluations = 7 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 7 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 7 Number of Lagrangian Hessian evaluations = 0 Total seconds in IPOPT = 0.011 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.14709 sec MIP total time 0.00915 sec NLP total time 0.03094 sec Test Summary: | Pass Total Time First order - true | 6 6 3m57.9s MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4484970e+00 3.30e+00 3.07e-01 -1.0 3.57e-01 - 9.62e-01 1.00e+00h 1 2 2.1043058e-01 8.80e-01 1.86e+00 -1.0 2.28e+00 - 1.00e+00 9.04e-01f 1 3 3.2980207e-01 4.23e-01 4.10e+00 -1.0 4.55e-01 2.0 1.00e+00 1.80e-01h 1 4 4.6319322e-01 3.06e-01 5.95e-01 -1.0 2.44e+00 - 9.89e-01 8.73e-01h 1 5 6.6990631e-01 0.00e+00 3.13e-01 -1.7 2.34e-01 - 5.12e-01 1.00e+00h 1 6 5.5374056e-01 0.00e+00 3.02e-02 -1.7 1.76e-01 - 1.00e+00 9.76e-01h 1 7 5.5036374e-01 0.00e+00 1.43e-03 -2.5 2.24e-02 - 1.00e+00 1.00e+00h 1 8 5.4452410e-01 0.00e+00 1.55e-04 -3.8 9.33e-03 - 1.00e+00 1.00e+00h 1 9 5.4433455e-01 0.00e+00 4.85e-07 -5.7 4.15e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.71e-11 -8.6 5.86e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973618407e-01 5.4433104973618407e-01 Dual infeasibility......: 5.7061556166857168e-11 5.7061556166857168e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5314665751256565e-09 2.5314665751256565e-09 Overall NLP error.......: 2.5314665751256565e-09 2.5314665751256565e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 2.682 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525793e-01 | >1000 | 3.482e+00 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.952579 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.9525793488370171, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0.00e+00 5.58e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4954704e+00 0.00e+00 1.01e-02 -1.0 1.09e-01 - 9.89e-01 1.00e+00f 1 2 1.0061632e+00 0.00e+00 6.76e-02 -1.7 2.04e+00 - 9.84e-01 5.99e-01f 1 3 1.0033308e+00 0.00e+00 1.29e-01 -2.5 1.14e-02 - 1.00e+00 5.00e-01f 2 4 1.0028620e+00 0.00e+00 1.63e-07 -2.5 9.41e-04 - 1.00e+00 1.00e+00f 1 5 1.0001155e+00 0.00e+00 5.62e-06 -3.8 5.50e-03 - 1.00e+00 1.00e+00f 1 6 1.0000018e+00 0.00e+00 9.70e-09 -5.7 2.28e-04 - 1.00e+00 1.00e+00f 1 7 1.0000000e+00 0.00e+00 2.32e-12 -8.6 3.52e-06 - 1.00e+00 1.00e+00f 1 Number of Iterations....: 7 (scaled) (unscaled) Objective...............: 9.9999999749028345e-01 9.9999999749028345e-01 Dual infeasibility......: 2.3173214005777692e-12 2.3173214005777692e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5125108988966903e-09 2.5125108988966903e-09 Overall NLP error.......: 2.5125108988966903e-09 2.5125108988966903e-09 Number of objective function evaluations = 10 Number of objective gradient evaluations = 8 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 10 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 8 Number of Lagrangian Hessian evaluations = 7 Total seconds in IPOPT = 0.013 EXIT: Optimal Solution Found. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 3.506e+00 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 3.50603 sec MIP total time 0.01377 sec NLP total time 3.35218 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185525665, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4484970e+00 3.30e+00 3.07e-01 -1.0 3.57e-01 - 9.62e-01 1.00e+00h 1 2 2.1043058e-01 8.80e-01 1.86e+00 -1.0 2.28e+00 - 1.00e+00 9.04e-01f 1 3 3.2980207e-01 4.23e-01 4.10e+00 -1.0 4.55e-01 2.0 1.00e+00 1.80e-01h 1 4 4.6319322e-01 3.06e-01 5.95e-01 -1.0 2.44e+00 - 9.89e-01 8.73e-01h 1 5 6.6990631e-01 0.00e+00 3.13e-01 -1.7 2.34e-01 - 5.12e-01 1.00e+00h 1 6 5.5374056e-01 0.00e+00 3.02e-02 -1.7 1.76e-01 - 1.00e+00 9.76e-01h 1 7 5.5036374e-01 0.00e+00 1.43e-03 -2.5 2.24e-02 - 1.00e+00 1.00e+00h 1 8 5.4452410e-01 0.00e+00 1.55e-04 -3.8 9.33e-03 - 1.00e+00 1.00e+00h 1 9 5.4433455e-01 0.00e+00 4.85e-07 -5.7 4.15e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.71e-11 -8.6 5.86e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973618407e-01 5.4433104973618407e-01 Dual infeasibility......: 5.7061556166857168e-11 5.7061556166857168e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5314665751256565e-09 2.5314665751256565e-09 Overall NLP error.......: 2.5314665751256565e-09 2.5314665751256565e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 0.022 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 3.446e-02 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185525665, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.0000000e+00 1.40e+01 9.95e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.0000000e+00 3.86e+00 4.07e-01 -1.0 3.87e-01 - 9.59e-01 1.00e+00h 1 2 1.0000000e+00 0.00e+00 2.53e-01 -1.0 2.32e+00 - 1.00e+00 1.00e+00f 1 3 1.0000000e+00 0.00e+00 2.70e-02 -1.0 2.16e+00 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 1.08e-02 -2.5 2.42e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 4.33e-04 -3.8 1.68e-02 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 5.31e-06 -5.7 4.60e-03 - 1.00e+00 1.00e+00h 1 7 1.0000000e+00 0.00e+00 7.17e-09 -8.6 5.01e-04 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 7 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 7.1691265095915250e-09 7.1691265095915250e-09 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 3.0694473966201297e-09 3.0694473966201297e-09 Overall NLP error.......: 7.1691265095915250e-09 7.1691265095915250e-09 Number of objective function evaluations = 8 Number of objective gradient evaluations = 8 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 8 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 8 Number of Lagrangian Hessian evaluations = 7 Total seconds in IPOPT = 0.013 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.04848 sec MIP total time 0.00910 sec NLP total time 0.03778 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4484970e+00 3.30e+00 3.07e-01 -1.0 3.57e-01 - 9.62e-01 1.00e+00h 1 2 2.1043058e-01 8.80e-01 1.86e+00 -1.0 2.28e+00 - 1.00e+00 9.04e-01f 1 3 3.2980207e-01 4.23e-01 4.10e+00 -1.0 4.55e-01 2.0 1.00e+00 1.80e-01h 1 4 4.6319322e-01 3.06e-01 5.95e-01 -1.0 2.44e+00 - 9.89e-01 8.73e-01h 1 5 6.6990631e-01 0.00e+00 3.13e-01 -1.7 2.34e-01 - 5.12e-01 1.00e+00h 1 6 5.5374056e-01 0.00e+00 3.02e-02 -1.7 1.76e-01 - 1.00e+00 9.76e-01h 1 7 5.5036374e-01 0.00e+00 1.43e-03 -2.5 2.24e-02 - 1.00e+00 1.00e+00h 1 8 5.4452410e-01 0.00e+00 1.55e-04 -3.8 9.33e-03 - 1.00e+00 1.00e+00h 1 9 5.4433455e-01 0.00e+00 4.85e-07 -5.7 4.15e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.71e-11 -8.6 5.86e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973618407e-01 5.4433104973618407e-01 Dual infeasibility......: 5.7061556166857168e-11 5.7061556166857168e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5314665751256565e-09 2.5314665751256565e-09 Overall NLP error.......: 2.5314665751256565e-09 2.5314665751256565e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 0.995 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525793e-01 | >1000 | 1.156e+00 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.952579 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.9525793488370171, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 1.175e+00 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 1.95279 sec MIP total time 0.01427 sec NLP total time 1.01845 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185525665, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 0 variables with lower and upper bounds: 2 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.97e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4484970e+00 3.30e+00 3.07e-01 -1.0 3.57e-01 - 9.62e-01 1.00e+00h 1 2 2.1043058e-01 8.80e-01 1.86e+00 -1.0 2.28e+00 - 1.00e+00 9.04e-01f 1 3 3.2980207e-01 4.23e-01 4.10e+00 -1.0 4.55e-01 2.0 1.00e+00 1.80e-01h 1 4 4.6319322e-01 3.06e-01 5.95e-01 -1.0 2.44e+00 - 9.89e-01 8.73e-01h 1 5 6.6990631e-01 0.00e+00 3.13e-01 -1.7 2.34e-01 - 5.12e-01 1.00e+00h 1 6 5.5374056e-01 0.00e+00 3.02e-02 -1.7 1.76e-01 - 1.00e+00 9.76e-01h 1 7 5.5036374e-01 0.00e+00 1.43e-03 -2.5 2.24e-02 - 1.00e+00 1.00e+00h 1 8 5.4452410e-01 0.00e+00 1.55e-04 -3.8 9.33e-03 - 1.00e+00 1.00e+00h 1 9 5.4433455e-01 0.00e+00 4.85e-07 -5.7 4.15e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.71e-11 -8.6 5.86e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973618407e-01 5.4433104973618407e-01 Dual infeasibility......: 5.7061556166857168e-11 5.7061556166857168e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5314665751256565e-09 2.5314665751256565e-09 Overall NLP error.......: 2.5314665751256565e-09 2.5314665751256565e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 0.020 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 3.240e-02 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185525665, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 0 variables with lower and upper bounds: 1 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 in 1 1.0000000e+00 3.86e+00 4.07e-01 -1.0 3.87e-01 - 9.59e-01 1.00e+00h 1 2 1.0000000e+00 0.00e+00 2.53e-01 -1.0 2.32e+00 - 1.00e+00 1.00e+00f 1 3 1.0000000e+00 0.00e+00 2.70e-02 -1.0 2.16e+00 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 1.08e-02 -2.5 2.42e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 4.33e-04 -3.8 1.68e-02 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 5.31e-06 -5.7 4.60e-03 - 1.00e+00 1.00e+00h 1 7 1.0000000e+00 0.00e+00 7.17e-09 -8.6 5.01e-04 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 7 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 7.1691265095915250e-09 7.1691265095915250e-09 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 3.0694473966201297e-09 3.0694473966201297e-09 Overall NLP error.......: 7.1691265095915250e-09 7.1691265095915250e-09 Number of objective function evaluations = 8 Number of objective gradient evaluations = 8 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 8 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 8 Number of Lagrangian Hessian evaluations = 7 Total seconds in IPOPT = 0.012 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.04584 sec MIP total time 0.00936 sec NLP total time 0.03499 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 2 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.72e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4490742e+00 3.30e+00 8.58e-02 -1.0 3.57e-01 - 1.00e+00 1.00e+00h 1 2 2.2755650e-01 8.25e-01 1.66e+00 -1.0 3.75e+00 - 1.00e+00 7.42e-01f 1 3 3.3098130e-01 4.07e-01 3.60e+00 -1.0 5.73e-01 2.0 7.98e-01 1.35e-01h 1 4 4.8167709e-01 2.51e-01 6.93e-01 -1.0 3.11e+00 - 9.23e-01 9.15e-01h 1 5 6.4325076e-01 0.00e+00 4.35e-01 -1.7 1.82e-01 - 5.89e-01 1.00e+00h 1 6 5.8432785e-01 0.00e+00 1.04e-02 -1.7 1.07e-01 - 1.00e+00 1.00e+00h 1 7 5.4588161e-01 0.00e+00 1.44e-02 -3.8 5.60e-02 - 1.00e+00 8.48e-01f 1 8 5.4462843e-01 0.00e+00 1.66e-04 -3.8 4.58e-03 - 1.00e+00 1.00e+00f 1 9 5.4433445e-01 0.00e+00 4.01e-07 -5.7 4.87e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.88e-11 -8.6 5.88e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973717050e-01 5.4433104973717050e-01 Dual infeasibility......: 5.8794991563483915e-11 5.8794991563483915e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5310347354892312e-09 2.5310347354892312e-09 Overall NLP error.......: 2.5310347354892312e-09 2.5310347354892312e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 0.899 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +9.525793e-01 | >1000 | 1.041e+00 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 2 rows, 2 columns (1 integer (0 of which binary)) and 4 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 0.680414 Cbc0012I Integer solution of 0.95257935 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.68633046 to 0.95257935 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 0.952579348835454, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.68633 to 0.952579 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 0.95257935 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 1 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 0.00e+00 8.91e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4952251e+00 0.00e+00 2.76e-04 -1.0 1.09e-01 - 1.00e+00 1.00e+00f 1 2 1.0017460e+00 0.00e+00 8.34e-02 -2.5 2.52e+00 - 1.00e+00 4.90e-01f 1 3 1.0034715e+00 0.00e+00 2.19e-06 -2.5 3.46e-03 - 1.00e+00 1.00e+00f 1 4 1.0001082e+00 0.00e+00 8.41e-06 -3.8 6.74e-03 - 1.00e+00 1.00e+00f 1 5 1.0000018e+00 0.00e+00 8.48e-09 -5.7 2.13e-04 - 1.00e+00 1.00e+00f 1 6 1.0000000e+00 0.00e+00 2.30e-12 -8.6 3.52e-06 - 1.00e+00 1.00e+00f 1 Number of Iterations....: 6 (scaled) (unscaled) Objective...............: 9.9999999748956581e-01 9.9999999748956581e-01 Dual infeasibility......: 2.2967166471182554e-12 2.2967166471182554e-12 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5125097145260835e-09 2.5125097145260835e-09 Overall NLP error.......: 2.5125097145260835e-09 2.5125097145260835e-09 Number of objective function evaluations = 7 Number of objective gradient evaluations = 7 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 7 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 7 Number of Lagrangian Hessian evaluations = 6 Total seconds in IPOPT = 0.008 EXIT: Optimal Solution Found. 2 | +1.000000e+00 | +1.190724e+00 | -1.907e-01 | 1.055e+00 Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 2 Total time 1.05521 sec MIP total time 0.01031 sec NLP total time 0.91894 sec MINLP has a nonlinear objective, 2 continuous variables, 1 integer variables, 2 nonlinear constraints, and 0 quadratic constraints Pavito started, using iterative method... Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.648148 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 2 strengthened rows, 0 substitutions Cgl0004I processed model has 5 rows, 3 columns (1 integer (0 of which binary)) and 10 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I MIPStart provided solution with cost 1.19072 Cbc0012I Integer solution of 1.1907242 found by Reduced search after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.79175426 to 1.1907242 in 1 passes Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185524494, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.791754 to 1.19072 Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 4 Number of nonzeros in Lagrangian Hessian.............: 3 Total number of variables............................: 2 variables with only lower bounds: 2 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.5313393e+00 1.27e+01 9.72e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.4490742e+00 3.30e+00 8.58e-02 -1.0 3.57e-01 - 1.00e+00 1.00e+00h 1 2 2.2755650e-01 8.25e-01 1.66e+00 -1.0 3.75e+00 - 1.00e+00 7.42e-01f 1 3 3.3098130e-01 4.07e-01 3.60e+00 -1.0 5.73e-01 2.0 7.98e-01 1.35e-01h 1 4 4.8167709e-01 2.51e-01 6.93e-01 -1.0 3.11e+00 - 9.23e-01 9.15e-01h 1 5 6.4325076e-01 0.00e+00 4.35e-01 -1.7 1.82e-01 - 5.89e-01 1.00e+00h 1 6 5.8432785e-01 0.00e+00 1.04e-02 -1.7 1.07e-01 - 1.00e+00 1.00e+00h 1 7 5.4588161e-01 0.00e+00 1.44e-02 -3.8 5.60e-02 - 1.00e+00 8.48e-01f 1 8 5.4462843e-01 0.00e+00 1.66e-04 -3.8 4.58e-03 - 1.00e+00 1.00e+00f 1 9 5.4433445e-01 0.00e+00 4.01e-07 -5.7 4.87e-04 - 1.00e+00 1.00e+00h 1 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 10 5.4433105e-01 0.00e+00 5.88e-11 -8.6 5.88e-06 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 10 (scaled) (unscaled) Objective...............: 5.4433104973717050e-01 5.4433104973717050e-01 Dual infeasibility......: 5.8794991563483915e-11 5.8794991563483915e-11 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.5310347354892312e-09 2.5310347354892312e-09 Overall NLP error.......: 2.5310347354892312e-09 2.5310347354892312e-09 Number of objective function evaluations = 11 Number of objective gradient evaluations = 11 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 11 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 11 Number of Lagrangian Hessian evaluations = 10 Total seconds in IPOPT = 0.020 EXIT: Optimal Solution Found. Iter. | Best feasible | Best bound | Rel. gap | Time (s) 1 | +Inf | +1.190724e+00 | >1000 | 3.168e-02 Welcome to the CBC MILP Solver Version: 2.10.8 Build Date: Jan 1 1970 command line - Cbc_C_Interface -solve -quit (default strategy 1) Continuous objective value is 0.544331 - 0.00 seconds Cgl0003I 0 fixed, 1 tightened bounds, 1 strengthened rows, 0 substitutions Cgl0004I processed model has 3 rows, 3 columns (1 integer (0 of which binary)) and 6 elements Cbc0045I Trying just fixing integer variables (and fixingish SOS). Cbc0045I Warning: mipstart values could not be used to build a solution. Cbc0012I Integer solution of 1.1907242 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds) Cbc0006I The LP relaxation is infeasible or too expensive Cbc0013I At root node, 0 cuts changed objective from 0.60120146 to 0.60120146 in 1 passes Cbc0014I Cut generator 0 (Probing) - 1 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1 Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100 Cbc0001I Search completed - best objective 1.190724185524494, took 0 iterations and 0 nodes (0.00 seconds) Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0.601201 to 0.601201 Probing was tried 1 times and created 2 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Optimal solution found Objective value: 1.19072419 Enumerated nodes: 0 Total iterations: 0 Time (CPU seconds): 0.00 Time (Wallclock seconds): 0.00 Total time (CPU seconds): 0.00 (Wallclock seconds): 0.00 This is Ipopt version 3.14.17, running with linear solver MUMPS 5.7.3. Number of nonzeros in equality constraint Jacobian...: 0 Number of nonzeros in inequality constraint Jacobian.: 2 Number of nonzeros in Lagrangian Hessian.............: 1 Total number of variables............................: 1 variables with only lower bounds: 1 variables with lower and upper bounds: 0 variables with only upper bounds: 0 Total number of equality constraints.................: 0 Total number of inequality constraints...............: 2 inequality constraints with only lower bounds: 0 inequality constraints with lower and upper bounds: 0 inequality constraints with only upper bounds: 2 iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls 0 1.0000000e+00 1.40e+01 9.67e-01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0 1 1.0000000e+00 3.86e+00 1.13e-01 -1.0 3.87e-01 - 1.00e+00 1.00e+00h 1 2 1.0000000e+00 0.00e+00 4.29e-01 -1.0 5.55e+00 - 1.00e+00 1.00e+00f 1 3 1.0000000e+00 0.00e+00 6.45e-02 -1.0 5.19e+00 - 1.00e+00 1.00e+00h 1 4 1.0000000e+00 0.00e+00 4.36e-02 -1.7 9.40e-02 - 1.00e+00 1.00e+00h 1 5 1.0000000e+00 0.00e+00 5.95e-03 -2.5 1.33e-02 - 1.00e+00 1.00e+00h 1 6 1.0000000e+00 0.00e+00 1.91e-04 -3.8 5.95e-03 - 1.00e+00 1.00e+00h 1 7 1.0000000e+00 0.00e+00 2.22e-06 -5.7 1.59e-03 - 1.00e+00 1.00e+00h 1 8 1.0000000e+00 0.00e+00 3.00e-09 -8.6 1.75e-04 - 1.00e+00 1.00e+00h 1 Number of Iterations....: 8 (scaled) (unscaled) Objective...............: 1.0000000000000000e+00 1.0000000000000000e+00 Dual infeasibility......: 3.0004628129800874e-09 3.0004628129800874e-09 Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00 Variable bound violation: 0.0000000000000000e+00 0.0000000000000000e+00 Complementarity.........: 2.7586972405376452e-09 2.7586972405376452e-09 Overall NLP error.......: 3.0004628129800874e-09 3.0004628129800874e-09 Number of objective function evaluations = 9 Number of objective gradient evaluations = 9 Number of equality constraint evaluations = 0 Number of inequality constraint evaluations = 9 Number of equality constraint Jacobian evaluations = 0 Number of inequality constraint Jacobian evaluations = 9 Number of Lagrangian Hessian evaluations = 8 Total seconds in IPOPT = 0.015 EXIT: Optimal Solution Found. Pavito finished... Status LOCALLY_SOLVED Objective value 1.00000 Objective bound 1.19072 Objective gap -0.19072 Iterations 1 Total time 0.04800 sec MIP total time 0.00899 sec NLP total time 0.03759 sec Test Summary: | Pass Total Time First order - false | 6 6 40.2s Testing NonconvexPavito tests passed Testing completed after 311.59s PkgEval succeeded after 370.33s