Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007765/0.007765, allocations: 101.1 kB / 15.73 MB, free: 6.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002127/0.002127, allocations: 189.6 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.417/1.417, allocations: 222.9 MB / 240.4 MB, free: 4.148 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.828/2.828, allocations: 469.8 MB / 0.7425 GB, free: 7.309 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001975/0.001975, allocations: 67.89 kB / 1.065 GB, free: 13.43 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2791/0.2811, allocations: 159.1 MB / 1.22 GB, free: 14.18 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02456/0.3057, allocations: 18.2 MB / 1.238 GB, free: 11.91 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01164/0.3174, allocations: 6.804 MB / 1.245 GB, free: 5.094 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001111/0.3185, allocations: 63.81 kB / 1.245 GB, free: 5.031 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.003802/0.3223, allocations: 1.454 MB / 1.246 GB, free: 3.574 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003155/0.3255, allocations: 1.42 MB / 1.248 GB, free: 2.148 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002967/0.3285, allocations: 1.259 MB / 1.249 GB, free: 0.8867 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.5154/0.8439, allocations: 5.431 MB / 1.254 GB, free: 8.512 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00639/0.8503, allocations: 7.074 MB / 1.261 GB, free: 7.117 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003273/0.8536, allocations: 2.349 MB / 1.263 GB, free: 7.004 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004231/0.8578, allocations: 2.953 MB / 1.266 GB, free: 6.742 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0007817/0.8586, allocations: 0.5114 MB / 1.267 GB, free: 6.742 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002256/0.8609, allocations: 1.269 MB / 1.268 GB, free: 6.742 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.002093/0.863, allocations: 2.235 MB / 1.27 GB, free: 6.613 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.002295/0.8653, allocations: 2.166 MB / 1.272 GB, free: 6.105 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.008519/0.8738, allocations: 7.767 MB / 1.28 GB, free: 5.383 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.598e-06/0.8738, allocations: 0 / 1.28 GB, free: 5.383 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.854e-06/0.8739, allocations: 1.312 kB / 1.28 GB, free: 5.383 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0001633/0.874, allocations: 0 / 1.28 GB, free: 5.383 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.008265/0.8823, allocations: 3.871 MB / 1.284 GB, free: 3.293 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 3.767e-05/0.8823, allocations: 11.16 kB / 1.284 GB, free: 3.293 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007641/0.8831, allocations: 0.5405 MB / 1.284 GB, free: 3.012 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01385/0.897, allocations: 2.43 MB / 1.286 GB, free: 2.734 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004617/0.9016, allocations: 2.179 MB / 1.289 GB, free: 1.73 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001557/0.9018, allocations: 267.3 kB / 1.289 GB, free: 1.621 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008191/0.9026, allocations: 350.5 kB / 1.289 GB, free: 1.512 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01672/0.9193, allocations: 7.174 MB / 1.296 GB, free: 15.32 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.951e-05/0.9194, allocations: 4.156 kB / 1.296 GB, free: 15.32 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005499/0.92, allocations: 144.1 kB / 1.296 GB, free: 15.22 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005181/0.9205, allocations: 329.4 kB / 1.297 GB, free: 15.18 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01687/0.9374, allocations: 7.037 MB / 1.304 GB, free: 13.19 MB / 1.014 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03429/0.9717, allocations: 26.47 MB / 1.329 GB, free: 7.684 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009026/0.9808, allocations: 4.994 MB / 1.334 GB, free: 4.27 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006377/0.9872, allocations: 2.614 MB / 1.337 GB, free: 2.949 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002785/0.9875, allocations: 128 kB / 1.337 GB, free: 2.84 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.317e-05/0.9875, allocations: 65.47 kB / 1.337 GB, free: 2.781 MB / 1.029 GB Notification: Performance of pre-optimization done (n=208): time 4.328e-06/0.9875, allocations: 3.469 kB / 1.337 GB, free: 2.781 MB / 1.029 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.conv2.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.conv2.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 0.1133/1.101, allocations: 31.12 MB / 1.367 GB, free: 9.523 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001538/1.101, allocations: 247.6 kB / 1.368 GB, free: 9.23 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002347/1.103, allocations: 1.427 MB / 1.369 GB, free: 7.793 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.0003721/1.104, allocations: 69.7 kB / 1.369 GB, free: 7.719 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001222/1.105, allocations: 1.537 MB / 1.371 GB, free: 6.176 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.001081/1.106, allocations: 0.964 MB / 1.372 GB, free: 5.227 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001339/1.107, allocations: 0.6378 MB / 1.372 GB, free: 4.582 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 0.0002021/1.108, allocations: 313 kB / 1.372 GB, free: 4.277 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006709/1.114, allocations: 2.69 MB / 1.375 GB, free: 1.578 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007475/1.122, allocations: 3.572 MB / 1.379 GB, free: 13.64 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01419/1.136, allocations: 6.41 MB / 1.385 GB, free: 6.945 MB / 1.076 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.862e-05/1.136, allocations: 8 kB / 1.385 GB, free: 6.938 MB / 1.076 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.conv2.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.conv2.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 0.03097/1.167, allocations: 11 MB / 1.396 GB, free: 11.9 MB / 1.092 GB Notification: Performance of prepare postOptimizeDAE: time 3.61e-05/1.167, allocations: 16 kB / 1.396 GB, free: 11.89 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.252e-05/1.167, allocations: 28 kB / 1.396 GB, free: 11.86 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0215/1.189, allocations: 5.552 MB / 1.401 GB, free: 6.293 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004755/1.193, allocations: 0.9945 MB / 1.402 GB, free: 5.297 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04834/1.242, allocations: 28.22 MB / 1.43 GB, free: 8.652 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004961/1.247, allocations: 0.5733 MB / 1.43 GB, free: 8.078 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003767/1.247, allocations: 151.9 kB / 1.43 GB, free: 7.93 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008876/1.256, allocations: 3.984 MB / 1.434 GB, free: 3.938 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00714/1.263, allocations: 3.536 MB / 1.438 GB, free: 28 kB / 1.123 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09692/1.36, allocations: 24.64 MB / 1.462 GB, free: 6.891 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.407e-05/1.36, allocations: 8 kB / 1.462 GB, free: 6.883 MB / 1.154 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.02824/1.388, allocations: 10.54 MB / 1.472 GB, free: 12.2 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 3.356e-05/1.388, allocations: 16 kB / 1.472 GB, free: 12.18 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.161e-05/1.389, allocations: 28.03 kB / 1.472 GB, free: 12.15 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01631/1.405, allocations: 4.325 MB / 1.476 GB, free: 7.812 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004949/1.41, allocations: 1.038 MB / 1.477 GB, free: 6.773 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03964/1.449, allocations: 27.17 MB / 1.504 GB, free: 10.91 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004851/1.454, allocations: 0.5615 MB / 1.504 GB, free: 10.34 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003717/1.455, allocations: 151.9 kB / 1.504 GB, free: 10.2 MB / 1.201 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.0009883/1.456, allocations: 406 kB / 1.505 GB, free: 9.793 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005625/1.456, allocations: 202.7 kB / 1.505 GB, free: 9.594 MB / 1.201 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.0289/1.485, allocations: 10.16 MB / 1.515 GB, free: 15.35 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.961e-05/1.485, allocations: 24 kB / 1.515 GB, free: 15.33 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.92e-05/1.485, allocations: 20 kB / 1.515 GB, free: 15.31 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.944e-05/1.485, allocations: 11.95 kB / 1.515 GB, free: 15.3 MB / 1.217 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.03773/1.523, allocations: 16.32 MB / 1.531 GB, free: 14.8 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.635e-05/1.523, allocations: 8 kB / 1.531 GB, free: 14.8 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003637/1.527, allocations: 0.7411 MB / 1.532 GB, free: 14.05 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01974/1.546, allocations: 5.171 MB / 1.537 GB, free: 8.867 MB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003988/1.547, allocations: 79.94 kB / 1.537 GB, free: 8.789 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04436/1.591, allocations: 27.23 MB / 1.563 GB, free: 13.07 MB / 1.264 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.03e-05/1.591, allocations: 12.03 kB / 1.563 GB, free: 13.06 MB / 1.264 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02795/1.619, allocations: 10.14 MB / 1.573 GB, free: 2.676 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001581/1.621, allocations: 0.7299 MB / 1.574 GB, free: 1.926 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004294/1.621, allocations: 52 kB / 1.574 GB, free: 1.875 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003746/1.625, allocations: 0.5109 MB / 1.575 GB, free: 1.363 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000757/1.626, allocations: 230.3 kB / 1.575 GB, free: 1.137 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002668/1.626, allocations: 87.95 kB / 1.575 GB, free: 1.051 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.001611/1.628, allocations: 0.9762 MB / 1.576 GB, free: 72 kB / 1.264 GB Notification: Performance of sort global known variables: time 3.1e-07/1.628, allocations: 0 / 1.576 GB, free: 72 kB / 1.264 GB Notification: Performance of remove unused functions: time 0.005912/1.634, allocations: 1.844 MB / 1.578 GB, free: 14.22 MB / 1.279 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)} Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02864/1.662, allocations: 10.8 MB / 1.588 GB, free: 3.172 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.03101/1.693, allocations: 12.48 MB / 1.6 GB, free: 6.59 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 7.283e-06/1.693, allocations: 0 / 1.6 GB, free: 6.59 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.01121/1.705, allocations: 4.409 MB / 1.605 GB, free: 2.137 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002094/1.707, allocations: 262 kB / 1.605 GB, free: 1.887 MB / 1.295 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.conv2.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.conv2.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 simCode: created linear, non-linear and system jacobian parts: time 0.1028/1.809, allocations: 42.27 MB / 1.646 GB, free: 6.344 MB / 1.342 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003414/1.813, allocations: 2.833 MB / 1.649 GB, free: 3.477 MB / 1.342 GB Notification: Performance of simCode: alias equations: time 0.00463/1.818, allocations: 1.653 MB / 1.651 GB, free: 1.82 MB / 1.342 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00187/1.819, allocations: 1.21 MB / 1.652 GB, free: 0.6133 MB / 1.342 GB Notification: Performance of SimCode: time 5.21e-07/1.819, allocations: 0 / 1.652 GB, free: 0.6133 MB / 1.342 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1748/1.994, allocations: 102.6 MB / 1.752 GB, free: 10.5 MB / 1.451 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.88/17.88, allocations: 11.44 kB / 1.752 GB, free: 10.48 MB / 1.451 GB (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)