Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001168/0.001168, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00122/0.00122, allocations: 195.5 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.359/1.359, allocations: 222.9 MB / 240.2 MB, free: 4.371 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.758/2.758, allocations: 472.6 MB / 0.7451 GB, free: 4.668 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001247/0.001247, allocations: 66.33 kB / 0.9121 GB, free: 33.36 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.309/0.3102, allocations: 159.9 MB / 1.068 GB, free: 10.41 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02194/0.3322, allocations: 18.28 MB / 1.086 GB, free: 8.066 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01132/0.3436, allocations: 6.815 MB / 1.093 GB, free: 1.234 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001557/0.3452, allocations: 59.88 kB / 1.093 GB, free: 1.176 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003923/0.3491, allocations: 1.473 MB / 1.094 GB, free: 15.7 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.003674/0.3528, allocations: 1.424 MB / 1.096 GB, free: 14.27 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.004/0.3568, allocations: 1.271 MB / 1.097 GB, free: 13 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.006645/0.3635, allocations: 5.48 MB / 1.102 GB, free: 7.504 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009695/0.3732, allocations: 7.218 MB / 1.109 GB, free: 172 kB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004436/0.3777, allocations: 2.357 MB / 1.112 GB, free: 13.8 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005391/0.3831, allocations: 2.972 MB / 1.114 GB, free: 10.82 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.001801/0.3849, allocations: 0.5156 MB / 1.115 GB, free: 10.31 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00362/0.3886, allocations: 1.268 MB / 1.116 GB, free: 9.039 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.003297/0.3919, allocations: 2.253 MB / 1.118 GB, free: 6.781 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.004145/0.3961, allocations: 2.183 MB / 1.121 GB, free: 4.59 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.009352/0.4054, allocations: 7.736 MB / 1.128 GB, free: 12.83 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 9.508e-06/0.4055, allocations: 0 / 1.128 GB, free: 12.83 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.585e-06/0.4055, allocations: 3.938 kB / 1.128 GB, free: 12.83 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.000285/0.4058, allocations: 0 / 1.128 GB, free: 12.83 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01294/0.4188, allocations: 3.831 MB / 1.132 GB, free: 8.938 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.937e-05/0.4188, allocations: 8.031 kB / 1.132 GB, free: 8.93 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01387/0.4327, allocations: 2.411 MB / 1.134 GB, free: 6.512 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004741/0.4375, allocations: 2.167 MB / 1.136 GB, free: 4.301 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002229/0.4377, allocations: 271.4 kB / 1.137 GB, free: 4.035 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001173/0.4389, allocations: 351.9 kB / 1.137 GB, free: 3.691 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01592/0.4548, allocations: 7.16 MB / 1.144 GB, free: 12.43 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001376/0.455, allocations: 11.88 kB / 1.144 GB, free: 12.42 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001003/0.456, allocations: 152 kB / 1.144 GB, free: 12.27 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005111/0.4565, allocations: 330.1 kB / 1.144 GB, free: 11.95 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01717/0.4737, allocations: 7.048 MB / 1.151 GB, free: 4.887 MB / 0.9044 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03499/0.5087, allocations: 26.73 MB / 1.177 GB, free: 7.969 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008323/0.5171, allocations: 4.996 MB / 1.182 GB, free: 2.668 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006252/0.5234, allocations: 2.596 MB / 1.185 GB, free: 56 kB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003866/0.5238, allocations: 131 kB / 1.185 GB, free: 15.91 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.673e-05/0.5239, allocations: 68.5 kB / 1.185 GB, free: 15.83 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=208): time 5.831e-06/0.5239, allocations: 0 / 1.185 GB, free: 15.83 MB / 0.9512 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1057/0.6297, allocations: 30.94 MB / 1.215 GB, free: 0.8047 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001206/0.6298, allocations: 247.6 kB / 1.215 GB, free: 0.5156 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002399/0.6322, allocations: 1.465 MB / 1.217 GB, free: 15.04 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0005203/0.6328, allocations: 69.7 kB / 1.217 GB, free: 14.97 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009519/0.6337, allocations: 1.501 MB / 1.218 GB, free: 13.45 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001175/0.6349, allocations: 0.9165 MB / 1.219 GB, free: 12.52 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001505/0.6364, allocations: 0.6318 MB / 1.22 GB, free: 11.88 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 9.427e-05/0.6366, allocations: 313.1 kB / 1.22 GB, free: 11.57 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005978/0.6425, allocations: 2.69 MB / 1.223 GB, free: 8.867 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006687/0.6493, allocations: 3.567 MB / 1.226 GB, free: 4.926 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01268/0.662, allocations: 6.395 MB / 1.233 GB, free: 14.13 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.337e-05/0.662, allocations: 8 kB / 1.233 GB, free: 14.12 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02849/0.6905, allocations: 11.03 MB / 1.243 GB, free: 2.988 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.972e-05/0.6906, allocations: 16 kB / 1.243 GB, free: 2.973 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.99e-05/0.6907, allocations: 31.98 kB / 1.243 GB, free: 2.941 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6938/1.384, allocations: 5.558 MB / 1.249 GB, free: 164.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004471/1.389, allocations: 0.9922 MB / 1.25 GB, free: 164.3 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04632/1.435, allocations: 28.2 MB / 1.277 GB, free: 152.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005066/1.44, allocations: 0.573 MB / 1.278 GB, free: 152.4 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007865/1.441, allocations: 157 kB / 1.278 GB, free: 152.3 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008453/1.45, allocations: 3.98 MB / 1.282 GB, free: 151 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006672/1.456, allocations: 3.528 MB / 1.285 GB, free: 149.1 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0823/1.539, allocations: 24.66 MB / 1.309 GB, free: 138.7 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.62e-05/1.539, allocations: 7.375 kB / 1.309 GB, free: 138.7 MB / 0.9981 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02416/1.563, allocations: 10.53 MB / 1.32 GB, free: 128.6 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.256e-05/1.563, allocations: 16 kB / 1.32 GB, free: 128.5 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.467e-05/1.563, allocations: 31.83 kB / 1.32 GB, free: 128.5 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01316/1.576, allocations: 4.344 MB / 1.324 GB, free: 124.2 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004301/1.581, allocations: 1.041 MB / 1.325 GB, free: 123.1 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02897/1.61, allocations: 27.14 MB / 1.352 GB, free: 95.35 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004684/1.614, allocations: 0.5537 MB / 1.352 GB, free: 94.79 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006951/1.615, allocations: 151.8 kB / 1.352 GB, free: 94.65 MB / 0.9981 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001395/1.616, allocations: 409.2 kB / 1.353 GB, free: 94.26 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008803/1.617, allocations: 201.4 kB / 1.353 GB, free: 94.07 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02385/1.641, allocations: 10.17 MB / 1.363 GB, free: 83.82 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.891e-05/1.641, allocations: 28 kB / 1.363 GB, free: 83.79 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.521e-05/1.641, allocations: 12 kB / 1.363 GB, free: 83.78 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.156e-05/1.641, allocations: 11.95 kB / 1.363 GB, free: 83.77 MB / 0.9981 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03166/1.673, allocations: 16.31 MB / 1.379 GB, free: 67.28 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.226e-05/1.673, allocations: 11.94 kB / 1.379 GB, free: 67.27 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003229/1.676, allocations: 0.7338 MB / 1.379 GB, free: 66.53 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01703/1.693, allocations: 5.193 MB / 1.384 GB, free: 61.32 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006559/1.694, allocations: 71.95 kB / 1.385 GB, free: 61.25 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03418/1.728, allocations: 27.27 MB / 1.411 GB, free: 33.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.564e-06/1.728, allocations: 8 kB / 1.411 GB, free: 33.5 MB / 0.9981 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02311/1.751, allocations: 10.09 MB / 1.421 GB, free: 23.16 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001681/1.753, allocations: 0.7285 MB / 1.422 GB, free: 22.42 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008331/1.754, allocations: 63.91 kB / 1.422 GB, free: 22.36 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003733/1.758, allocations: 0.5031 MB / 1.422 GB, free: 21.85 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000943/1.759, allocations: 226.3 kB / 1.423 GB, free: 21.63 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000381/1.759, allocations: 95.95 kB / 1.423 GB, free: 21.54 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001697/1.761, allocations: 1.001 MB / 1.424 GB, free: 20.53 MB / 0.9981 GB Notification: Performance of sort global known variables: time 3.81e-07/1.761, allocations: 0 / 1.424 GB, free: 20.53 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.007414/1.768, allocations: 1.852 MB / 1.425 GB, free: 18.68 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005369/1.769, allocations: 184.2 kB / 1.426 GB, free: 18.5 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02909/1.798, allocations: 14.37 MB / 1.44 GB, free: 4.039 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.199e-05/1.798, allocations: 4 kB / 1.44 GB, free: 4.035 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009558/1.807, allocations: 4.431 MB / 1.444 GB, free: 15.57 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002597/1.81, allocations: 282.5 kB / 1.444 GB, free: 15.3 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02619/1.836, allocations: 9.552 MB / 1.454 GB, free: 5.641 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004086/1.84, allocations: 2.853 MB / 1.456 GB, free: 2.75 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.006148/1.847, allocations: 1.661 MB / 1.458 GB, free: 1.086 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009121/1.847, allocations: 171.3 kB / 1.458 GB, free: 0.918 MB / 1.014 GB Notification: Performance of SimCode: time 1.482e-06/1.848, allocations: 0 / 1.458 GB, free: 0.918 MB / 1.014 GB Notification: Performance of Templates: time 0.1214/1.969, allocations: 78.12 MB / 1.534 GB, free: 2.992 MB / 1.092 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)