Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.BalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.004953/0.004953, allocations: 100.6 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00115/0.00115, allocations: 197.2 kB / 16.67 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.337/1.337, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.198/2.198, allocations: 390.3 MB / 0.6648 GB, free: 0.6484 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001368/0.001368, allocations: 59.91 kB / 0.9505 GB, free: 8.043 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8276/0.829, allocations: 140.4 MB / 1.088 GB, free: 5.25 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02279/0.8518, allocations: 18.19 MB / 1.105 GB, free: 9.148 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01337/0.8652, allocations: 6.798 MB / 1.112 GB, free: 4.52 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002696/0.868, allocations: 54.72 kB / 1.112 GB, free: 4.512 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004634/0.8726, allocations: 1.462 MB / 1.113 GB, free: 3.641 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.005278/0.8779, allocations: 1.43 MB / 1.115 GB, free: 2.84 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004351/0.8823, allocations: 1.257 MB / 1.116 GB, free: 2.164 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.008214/0.8905, allocations: 5.432 MB / 1.121 GB, free: 15.88 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01068/0.9012, allocations: 7.092 MB / 1.128 GB, free: 13.07 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004781/0.906, allocations: 2.351 MB / 1.131 GB, free: 12.01 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006022/0.9121, allocations: 2.952 MB / 1.133 GB, free: 10.78 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.002349/0.9145, allocations: 0.5108 MB / 1.134 GB, free: 10.78 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004559/0.9191, allocations: 1.257 MB / 1.135 GB, free: 10.51 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.005558/0.9246, allocations: 2.232 MB / 1.137 GB, free: 9.656 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.00715/0.9318, allocations: 2.17 MB / 1.139 GB, free: 8.254 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01508/0.9469, allocations: 7.728 MB / 1.147 GB, free: 5.398 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 5.38e-06/0.947, allocations: 1.094 kB / 1.147 GB, free: 5.398 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.725e-06/0.947, allocations: 0 / 1.147 GB, free: 5.398 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002721/0.9472, allocations: 0 / 1.147 GB, free: 5.398 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01686/0.9641, allocations: 3.792 MB / 1.151 GB, free: 2.855 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.448e-05/0.9642, allocations: 9.281 kB / 1.151 GB, free: 2.855 MB / 0.8887 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002256/0.9664, allocations: 0.5405 MB / 1.151 GB, free: 2.473 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01471/0.9811, allocations: 2.4 MB / 1.154 GB, free: 1.324 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006664/0.9878, allocations: 2.179 MB / 1.156 GB, free: 15.96 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003133/0.9882, allocations: 269.6 kB / 1.156 GB, free: 15.84 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001947/0.9901, allocations: 343.4 kB / 1.156 GB, free: 15.73 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02046/1.011, allocations: 7.119 MB / 1.163 GB, free: 11.67 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000152/1.011, allocations: 22.05 kB / 1.163 GB, free: 11.65 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001612/1.012, allocations: 146.7 kB / 1.163 GB, free: 11.54 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007318/1.013, allocations: 331.7 kB / 1.164 GB, free: 11.45 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01916/1.032, allocations: 7.028 MB / 1.171 GB, free: 7.898 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 0.03868/1.071, allocations: 26.41 MB / 1.196 GB, free: 12.21 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008282/1.079, allocations: 4.997 MB / 1.201 GB, free: 6.902 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005869/1.085, allocations: 2.616 MB / 1.204 GB, free: 4.27 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002492/1.086, allocations: 127 kB / 1.204 GB, free: 4.129 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.424e-05/1.086, allocations: 72.5 kB / 1.204 GB, free: 4.047 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.769e-06/1.086, allocations: 0 / 1.204 GB, free: 4.047 MB / 0.9356 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 0.1073/1.193, allocations: 30.91 MB / 1.234 GB, free: 5.043 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001206/1.193, allocations: 235.6 kB / 1.234 GB, free: 4.766 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002546/1.196, allocations: 1.435 MB / 1.236 GB, free: 3.32 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0005678/1.196, allocations: 69.7 kB / 1.236 GB, free: 3.246 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009558/1.197, allocations: 1.478 MB / 1.237 GB, free: 1.746 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001202/1.198, allocations: 0.9281 MB / 1.238 GB, free: 0.8047 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001533/1.2, allocations: 0.6318 MB / 1.239 GB, free: 168 kB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 9.799e-05/1.2, allocations: 305.1 kB / 1.239 GB, free: 15.86 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006007/1.206, allocations: 2.698 MB / 1.242 GB, free: 13.16 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006601/1.213, allocations: 3.571 MB / 1.245 GB, free: 9.207 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01261/1.225, allocations: 6.406 MB / 1.252 GB, free: 2.402 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.863e-05/1.225, allocations: 8 kB / 1.252 GB, free: 2.395 MB / 0.9825 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 0.02888/1.254, allocations: 11.02 MB / 1.262 GB, free: 7.27 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.672e-05/1.254, allocations: 20.09 kB / 1.262 GB, free: 7.25 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.259e-05/1.254, allocations: 28 kB / 1.262 GB, free: 7.223 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01976/1.274, allocations: 5.544 MB / 1.268 GB, free: 1.66 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004674/1.279, allocations: 0.9908 MB / 1.269 GB, free: 0.668 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04325/1.322, allocations: 28.18 MB / 1.296 GB, free: 4.023 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005009/1.327, allocations: 0.5693 MB / 1.297 GB, free: 3.453 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007314/1.328, allocations: 156.1 kB / 1.297 GB, free: 3.301 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008975/1.337, allocations: 3.984 MB / 1.301 GB, free: 15.3 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007448/1.344, allocations: 3.544 MB / 1.304 GB, free: 11.39 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09072/1.435, allocations: 24.64 MB / 1.328 GB, free: 2.234 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.084e-05/1.435, allocations: 4 kB / 1.328 GB, free: 2.23 MB / 1.061 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 0.02876/1.464, allocations: 10.53 MB / 1.339 GB, free: 7.551 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 3.304e-05/1.464, allocations: 18.03 kB / 1.339 GB, free: 7.535 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.04e-05/1.464, allocations: 28.56 kB / 1.339 GB, free: 7.508 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01575/1.48, allocations: 4.322 MB / 1.343 GB, free: 3.168 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004841/1.485, allocations: 1.041 MB / 1.344 GB, free: 2.125 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03508/1.52, allocations: 27.09 MB / 1.37 GB, free: 6.305 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004886/1.525, allocations: 0.5575 MB / 1.371 GB, free: 5.746 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007632/1.525, allocations: 151.9 kB / 1.371 GB, free: 5.598 MB / 1.107 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.001544/1.527, allocations: 389 kB / 1.371 GB, free: 5.211 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009274/1.528, allocations: 197.6 kB / 1.372 GB, free: 5.016 MB / 1.107 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 0.02749/1.555, allocations: 10.18 MB / 1.382 GB, free: 10.75 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.987e-05/1.555, allocations: 28 kB / 1.382 GB, free: 10.73 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.174e-05/1.555, allocations: 12 kB / 1.382 GB, free: 10.71 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.03e-05/1.556, allocations: 15.94 kB / 1.382 GB, free: 10.7 MB / 1.123 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 0.03877/1.594, allocations: 16.26 MB / 1.398 GB, free: 10.2 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.794e-05/1.594, allocations: 11.94 kB / 1.398 GB, free: 10.19 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003892/1.598, allocations: 0.7339 MB / 1.398 GB, free: 9.453 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01946/1.618, allocations: 5.185 MB / 1.403 GB, free: 4.254 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009139/1.619, allocations: 75.89 kB / 1.403 GB, free: 4.18 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04204/1.661, allocations: 27.24 MB / 1.43 GB, free: 8.43 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.196e-05/1.661, allocations: 12.03 kB / 1.43 GB, free: 8.418 MB / 1.17 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 0.02748/1.688, allocations: 10.1 MB / 1.44 GB, free: 14.07 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002299/1.691, allocations: 0.7172 MB / 1.441 GB, free: 13.33 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001015/1.692, allocations: 59.91 kB / 1.441 GB, free: 13.27 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004267/1.696, allocations: 0.507 MB / 1.441 GB, free: 12.77 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009967/1.697, allocations: 226.4 kB / 1.441 GB, free: 12.55 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000427/1.697, allocations: 91.95 kB / 1.441 GB, free: 12.46 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.001852/1.699, allocations: 0.9728 MB / 1.442 GB, free: 11.48 MB / 1.186 GB Notification: Performance of sort global known variables: time 3.1e-07/1.699, allocations: 4 kB / 1.442 GB, free: 11.48 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.007917/1.707, allocations: 1.844 MB / 1.444 GB, free: 9.633 MB / 1.186 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 : 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 Backend phase and start with SimCode phase: time 0.02717/1.734, allocations: 10.76 MB / 1.455 GB, free: 14.61 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.03111/1.766, allocations: 12.46 MB / 1.467 GB, free: 2.043 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.245e-05/1.766, allocations: 0 / 1.467 GB, free: 2.043 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01138/1.777, allocations: 4.414 MB / 1.471 GB, free: 13.57 MB / 1.217 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003473/1.781, allocations: 270.5 kB / 1.471 GB, free: 13.32 MB / 1.217 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 simCode: created linear, non-linear and system jacobian parts: time 0.1057/1.886, allocations: 41.63 MB / 1.512 GB, free: 2.398 MB / 1.248 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004874/1.891, allocations: 2.837 MB / 1.515 GB, free: 15.53 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.005415/1.897, allocations: 1.649 MB / 1.516 GB, free: 13.88 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002308/1.899, allocations: 1.21 MB / 1.518 GB, free: 12.66 MB / 1.264 GB Notification: Performance of SimCode: time 9.22e-07/1.899, allocations: 4 kB / 1.518 GB, free: 12.66 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7014/2.6, allocations: 102.5 MB / 1.618 GB, free: 427.9 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.98/18.58, allocations: 15.91 kB / 1.618 GB, free: 427.9 MB / 1.311 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)