Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 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.BalancedStepUp.YD,fileNamePrefix="Buildings_9_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_9_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 0.006831/0.006831, allocations: 101.8 kB / 15.73 MB, free: 6.477 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001487/0.001487, allocations: 192.4 kB / 16.67 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 1.366/1.366, allocations: 222.9 MB / 240.4 MB, free: 4.371 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.426/2.426, allocations: 390.3 MB / 0.6648 GB, free: 232 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001191/0.001191, allocations: 70.11 kB / 0.9505 GB, free: 5.926 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.281/0.2822, allocations: 140.4 MB / 1.088 GB, free: 1.98 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02103/0.3033, allocations: 18.18 MB / 1.105 GB, free: 15.73 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01225/0.3156, allocations: 6.797 MB / 1.112 GB, free: 8.914 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001843/0.3175, allocations: 55.88 kB / 1.112 GB, free: 8.859 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004118/0.3216, allocations: 1.467 MB / 1.113 GB, free: 7.387 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.003744/0.3254, allocations: 1.416 MB / 1.115 GB, free: 5.965 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.003191/0.3286, allocations: 1.266 MB / 1.116 GB, free: 4.699 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.005934/0.3345, allocations: 5.441 MB / 1.121 GB, free: 15.25 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009632/0.3442, allocations: 7.075 MB / 1.128 GB, free: 8.062 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004426/0.3486, allocations: 2.353 MB / 1.131 GB, free: 5.703 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005278/0.3539, allocations: 2.957 MB / 1.133 GB, free: 2.738 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001921/0.3559, allocations: 0.5078 MB / 1.134 GB, free: 2.23 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003752/0.3597, allocations: 1.272 MB / 1.135 GB, free: 0.957 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.003377/0.363, allocations: 2.238 MB / 1.137 GB, free: 14.71 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.004024/0.3671, allocations: 2.175 MB / 1.14 GB, free: 12.53 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.008654/0.3758, allocations: 7.733 MB / 1.147 GB, free: 4.777 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.3758, allocations: 3.938 kB / 1.147 GB, free: 4.773 MB / 0.9044 GB Notification: Performance of FrontEnd: time 1.923e-06/0.3758, allocations: 0 / 1.147 GB, free: 4.773 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0002424/0.376, allocations: 0 / 1.147 GB, free: 4.773 MB / 0.9044 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 0.0106/0.3866, allocations: 3.792 MB / 1.151 GB, free: 0.9219 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.978e-05/0.3867, allocations: 8.031 kB / 1.151 GB, free: 0.9141 MB / 0.9044 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001818/0.3885, allocations: 0.5384 MB / 1.151 GB, free: 376 kB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01405/0.4026, allocations: 2.415 MB / 1.154 GB, free: 13.95 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005418/0.408, allocations: 2.178 MB / 1.156 GB, free: 11.72 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002516/0.4083, allocations: 267.2 kB / 1.156 GB, free: 11.46 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00134/0.4097, allocations: 344 kB / 1.156 GB, free: 11.12 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01708/0.4267, allocations: 7.126 MB / 1.163 GB, free: 3.898 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000134/0.4269, allocations: 7.906 kB / 1.163 GB, free: 3.891 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001186/0.4281, allocations: 144 kB / 1.163 GB, free: 3.75 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005341/0.4287, allocations: 334 kB / 1.164 GB, free: 3.422 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01717/0.4458, allocations: 7.031 MB / 1.171 GB, free: 12.38 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03603/0.4819, allocations: 26.42 MB / 1.196 GB, free: 15.78 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008658/0.4906, allocations: 4.99 MB / 1.201 GB, free: 10.48 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006173/0.4968, allocations: 2.608 MB / 1.204 GB, free: 7.852 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002833/0.4971, allocations: 135 kB / 1.204 GB, free: 7.703 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.902e-05/0.4972, allocations: 64.48 kB / 1.204 GB, free: 7.629 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=208): time 4.389e-06/0.4972, allocations: 0 / 1.204 GB, free: 7.629 MB / 0.9669 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 0.1072/0.6044, allocations: 30.91 MB / 1.234 GB, free: 8.625 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001116/0.6045, allocations: 235.6 kB / 1.234 GB, free: 8.348 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002162/0.6067, allocations: 1.435 MB / 1.236 GB, free: 6.902 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0004737/0.6072, allocations: 65.7 kB / 1.236 GB, free: 6.832 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009081/0.6081, allocations: 1.485 MB / 1.237 GB, free: 5.324 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001054/0.6092, allocations: 0.9203 MB / 1.238 GB, free: 4.391 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001477/0.6107, allocations: 0.628 MB / 1.239 GB, free: 3.754 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 9.549e-05/0.6108, allocations: 301.1 kB / 1.239 GB, free: 3.457 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006085/0.6169, allocations: 2.694 MB / 1.242 GB, free: 0.7539 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006748/0.6236, allocations: 3.571 MB / 1.245 GB, free: 12.8 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01269/0.6363, allocations: 6.399 MB / 1.252 GB, free: 6.008 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.648e-05/0.6364, allocations: 11.98 kB / 1.252 GB, free: 5.996 MB / 1.014 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 0.5785/1.215, allocations: 10.99 MB / 1.262 GB, free: 153.7 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 5.332e-05/1.215, allocations: 17.03 kB / 1.262 GB, free: 153.7 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.13e-05/1.215, allocations: 26.61 kB / 1.262 GB, free: 153.7 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02164/1.237, allocations: 5.565 MB / 1.268 GB, free: 153.6 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004583/1.241, allocations: 0.9939 MB / 1.269 GB, free: 153.6 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.045/1.286, allocations: 28.19 MB / 1.296 GB, free: 139.2 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004622/1.291, allocations: 0.5756 MB / 1.297 GB, free: 139.1 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007347/1.292, allocations: 155.7 kB / 1.297 GB, free: 139.1 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008175/1.3, allocations: 3.978 MB / 1.301 GB, free: 137.4 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006269/1.306, allocations: 3.539 MB / 1.304 GB, free: 134.9 MB / 1.014 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08066/1.387, allocations: 24.63 MB / 1.328 GB, free: 117.7 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.543e-05/1.387, allocations: 4 kB / 1.328 GB, free: 117.7 MB / 1.014 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 0.0238/1.411, allocations: 10.54 MB / 1.339 GB, free: 107.1 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 3.798e-05/1.411, allocations: 16 kB / 1.339 GB, free: 107.1 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.864e-05/1.411, allocations: 28 kB / 1.339 GB, free: 107.1 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01394/1.425, allocations: 4.329 MB / 1.343 GB, free: 102.7 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004442/1.429, allocations: 1.046 MB / 1.344 GB, free: 101.7 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02798/1.457, allocations: 27.13 MB / 1.37 GB, free: 73.87 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004513/1.462, allocations: 0.5566 MB / 1.371 GB, free: 73.31 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005948/1.463, allocations: 155.9 kB / 1.371 GB, free: 73.16 MB / 1.014 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 0.001618/1.464, allocations: 391 kB / 1.372 GB, free: 72.79 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008759/1.465, allocations: 197.8 kB / 1.372 GB, free: 72.59 MB / 1.014 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 0.02487/1.49, allocations: 10.17 MB / 1.382 GB, free: 62.36 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.528e-05/1.49, allocations: 31.94 kB / 1.382 GB, free: 62.32 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.217e-05/1.49, allocations: 15.75 kB / 1.382 GB, free: 62.31 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.998e-05/1.49, allocations: 15.94 kB / 1.382 GB, free: 62.3 MB / 1.014 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 0.03366/1.524, allocations: 16.31 MB / 1.398 GB, free: 45.82 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.072e-05/1.524, allocations: 8 kB / 1.398 GB, free: 45.81 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003277/1.527, allocations: 0.7336 MB / 1.398 GB, free: 45.07 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01716/1.544, allocations: 5.181 MB / 1.403 GB, free: 39.87 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007814/1.545, allocations: 78.8 kB / 1.404 GB, free: 39.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03316/1.578, allocations: 27.2 MB / 1.43 GB, free: 12.12 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.155e-06/1.578, allocations: 19.94 kB / 1.43 GB, free: 12.1 MB / 1.014 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 0.02334/1.602, allocations: 10.14 MB / 1.44 GB, free: 1.723 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001928/1.604, allocations: 0.7247 MB / 1.441 GB, free: 0.9805 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007868/1.604, allocations: 55.98 kB / 1.441 GB, free: 0.9258 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003927/1.608, allocations: 0.507 MB / 1.441 GB, free: 428 kB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008301/1.609, allocations: 226.3 kB / 1.441 GB, free: 200 kB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000346/1.61, allocations: 91.95 kB / 1.442 GB, free: 108 kB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001744/1.611, allocations: 0.9684 MB / 1.442 GB, free: 15.13 MB / 1.029 GB Notification: Performance of sort global known variables: time 2.2e-07/1.611, allocations: 0 / 1.442 GB, free: 15.13 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.007307/1.619, allocations: 1.848 MB / 1.444 GB, free: 13.29 MB / 1.029 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 0.02728/1.646, allocations: 10.79 MB / 1.455 GB, free: 2.23 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.03066/1.677, allocations: 12.45 MB / 1.467 GB, free: 5.684 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 1.623e-05/1.677, allocations: 4 kB / 1.467 GB, free: 5.68 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.01099/1.688, allocations: 4.394 MB / 1.471 GB, free: 1.246 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002738/1.691, allocations: 269.9 kB / 1.472 GB, free: 0.9922 MB / 1.045 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 0.1064/1.797, allocations: 42.16 MB / 1.513 GB, free: 5.555 MB / 1.092 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004263/1.801, allocations: 2.839 MB / 1.515 GB, free: 2.684 MB / 1.092 GB Notification: Performance of simCode: alias equations: time 0.004863/1.806, allocations: 1.653 MB / 1.517 GB, free: 1.027 MB / 1.092 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001958/1.808, allocations: 1.212 MB / 1.518 GB, free: 15.82 MB / 1.107 GB Notification: Performance of SimCode: time 6.41e-07/1.808, allocations: 0 / 1.518 GB, free: 15.82 MB / 1.107 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1623/1.97, allocations: 102.5 MB / 1.618 GB, free: 9.672 MB / 1.201 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.69/17.66, allocations: 8.875 kB / 1.618 GB, free: 9.664 MB / 1.201 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)