Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.001107/0.001107, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001187/0.001187, allocations: 195.1 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.36/1.36, allocations: 205.1 MB / 222.4 MB, free: 4.625 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.775/1.775, allocations: 292.3 MB / 0.5489 GB, free: 12.82 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001438/0.001438, allocations: 68.05 kB / 0.6716 GB, free: 26.25 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2367/0.2382, allocations: 114.6 MB / 0.7835 GB, free: 13.36 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02285/0.2611, allocations: 18.23 MB / 0.8013 GB, free: 11.05 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.0119/0.273, allocations: 6.915 MB / 0.8081 GB, free: 4.117 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002182/0.2753, allocations: 55.88 kB / 0.8081 GB, free: 4.062 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.004054/0.2794, allocations: 1.465 MB / 0.8096 GB, free: 2.594 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.005692/0.2851, allocations: 1.42 MB / 0.8109 GB, free: 1.168 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.004344/0.2895, allocations: 1.29 MB / 0.8122 GB, free: 15.88 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.006479/0.296, allocations: 5.476 MB / 0.8175 GB, free: 10.39 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008948/0.305, allocations: 7.241 MB / 0.8246 GB, free: 3.035 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004167/0.3092, allocations: 2.357 MB / 0.8269 GB, free: 0.6719 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005028/0.3143, allocations: 2.976 MB / 0.8298 GB, free: 13.69 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001269/0.3156, allocations: 0.5117 MB / 0.8303 GB, free: 13.18 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003022/0.3186, allocations: 1.272 MB / 0.8316 GB, free: 11.9 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002641/0.3213, allocations: 2.242 MB / 0.8338 GB, free: 9.656 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003078/0.3244, allocations: 2.198 MB / 0.8359 GB, free: 7.449 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.008424/0.3328, allocations: 7.732 MB / 0.8435 GB, free: 15.69 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 6.663e-06/0.3329, allocations: 0 / 0.8435 GB, free: 15.69 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.644e-06/0.3329, allocations: 0 / 0.8435 GB, free: 15.69 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0002101/0.3331, allocations: 0 / 0.8435 GB, free: 15.69 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.009682/0.3428, allocations: 3.819 MB / 0.8472 GB, free: 11.82 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.659e-05/0.3428, allocations: 16.03 kB / 0.8472 GB, free: 11.8 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008706/0.3437, allocations: 0.5387 MB / 0.8477 GB, free: 11.25 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01233/0.3561, allocations: 2.356 MB / 0.85 GB, free: 8.891 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004987/0.3611, allocations: 2.151 MB / 0.8521 GB, free: 6.695 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002636/0.3614, allocations: 271.2 kB / 0.8524 GB, free: 6.43 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001299/0.3627, allocations: 352 kB / 0.8527 GB, free: 6.086 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01457/0.3773, allocations: 7.124 MB / 0.8597 GB, free: 14.86 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.415e-05/0.3774, allocations: 11.88 kB / 0.8597 GB, free: 14.85 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004131/0.3778, allocations: 152 kB / 0.8598 GB, free: 14.7 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004538/0.3782, allocations: 334.1 kB / 0.8602 GB, free: 14.37 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01478/0.393, allocations: 6.993 MB / 0.867 GB, free: 7.367 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03315/0.4262, allocations: 26.63 MB / 0.893 GB, free: 10.57 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00944/0.4357, allocations: 4.988 MB / 0.8979 GB, free: 5.27 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006096/0.4418, allocations: 2.596 MB / 0.9004 GB, free: 2.66 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002927/0.4421, allocations: 131 kB / 0.9005 GB, free: 2.516 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.293e-05/0.4422, allocations: 68.48 kB / 0.9006 GB, free: 2.438 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 5.089e-06/0.4422, allocations: 0 / 0.9006 GB, free: 2.438 MB / 0.7169 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 0.5861/1.028, allocations: 30.94 MB / 0.9308 GB, free: 124 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.579e-05/1.028, allocations: 239.7 kB / 0.931 GB, free: 123.7 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002136/1.031, allocations: 1.445 MB / 0.9324 GB, free: 123.2 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006138/1.031, allocations: 71.11 kB / 0.9325 GB, free: 123.1 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009422/1.032, allocations: 1.501 MB / 0.934 GB, free: 122 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001096/1.033, allocations: 0.9202 MB / 0.9349 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001158/1.034, allocations: 0.6267 MB / 0.9355 GB, free: 121 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.867e-05/1.034, allocations: 309.1 kB / 0.9358 GB, free: 120.7 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006348/1.041, allocations: 2.665 MB / 0.9384 GB, free: 119.8 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007636/1.048, allocations: 3.553 MB / 0.9419 GB, free: 118 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01266/1.061, allocations: 6.38 MB / 0.9481 GB, free: 114.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.325e-05/1.061, allocations: 8.656 kB / 0.9481 GB, free: 114.9 MB / 0.7325 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 0.02775/1.089, allocations: 10.95 MB / 0.9588 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.6e-05/1.089, allocations: 19.72 kB / 0.9588 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.766e-05/1.089, allocations: 28.22 kB / 0.9588 GB, free: 109.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01892/1.108, allocations: 5.496 MB / 0.9642 GB, free: 107.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003995/1.112, allocations: 0.9878 MB / 0.9652 GB, free: 106.9 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03557/1.148, allocations: 28.16 MB / 0.9927 GB, free: 80 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004441/1.152, allocations: 0.5459 MB / 0.9932 GB, free: 79.45 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004593/1.153, allocations: 155.9 kB / 0.9933 GB, free: 79.3 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007072/1.16, allocations: 3.968 MB / 0.9972 GB, free: 75.32 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005916/1.166, allocations: 3.509 MB / 1.001 GB, free: 71.45 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08153/1.247, allocations: 24.59 MB / 1.025 GB, free: 46.37 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.099e-05/1.247, allocations: 8 kB / 1.025 GB, free: 46.36 MB / 0.7325 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 0.02488/1.272, allocations: 10.5 MB / 1.035 GB, free: 35.71 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.378e-05/1.272, allocations: 19.83 kB / 1.035 GB, free: 35.7 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.337e-05/1.272, allocations: 24 kB / 1.035 GB, free: 35.67 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01404/1.286, allocations: 4.266 MB / 1.039 GB, free: 31.39 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004462/1.291, allocations: 1.037 MB / 1.04 GB, free: 30.36 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03371/1.325, allocations: 27.13 MB / 1.067 GB, free: 2.531 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006763/1.331, allocations: 0.5342 MB / 1.067 GB, free: 1.996 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009327/1.332, allocations: 159.5 kB / 1.067 GB, free: 1.844 MB / 0.7325 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.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001435/1.334, allocations: 391.3 kB / 1.068 GB, free: 1.453 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00102/1.335, allocations: 197.7 kB / 1.068 GB, free: 1.258 MB / 0.7325 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 0.04984/1.385, allocations: 10.17 MB / 1.078 GB, free: 7.008 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.41e-05/1.385, allocations: 28 kB / 1.078 GB, free: 6.98 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.518e-05/1.385, allocations: 12 kB / 1.078 GB, free: 6.969 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.292e-05/1.385, allocations: 15.95 kB / 1.078 GB, free: 6.953 MB / 0.7481 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 0.04033/1.425, allocations: 16.34 MB / 1.094 GB, free: 6.449 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.319e-05/1.425, allocations: 12 kB / 1.094 GB, free: 6.438 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00358/1.429, allocations: 0.7451 MB / 1.095 GB, free: 5.691 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01895/1.448, allocations: 5.115 MB / 1.1 GB, free: 0.5586 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006397/1.449, allocations: 79.89 kB / 1.1 GB, free: 492 kB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04271/1.491, allocations: 27.21 MB / 1.126 GB, free: 4.793 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.155e-05/1.491, allocations: 8 kB / 1.126 GB, free: 4.785 MB / 0.795 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 0.02839/1.52, allocations: 10.14 MB / 1.136 GB, free: 10.39 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002124/1.522, allocations: 0.7209 MB / 1.137 GB, free: 9.652 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008546/1.523, allocations: 60 kB / 1.137 GB, free: 9.594 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003964/1.527, allocations: 0.4953 MB / 1.137 GB, free: 9.098 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001022/1.528, allocations: 230.3 kB / 1.138 GB, free: 8.871 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004186/1.528, allocations: 92.89 kB / 1.138 GB, free: 8.781 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001749/1.53, allocations: 0.9776 MB / 1.139 GB, free: 7.801 MB / 0.8106 GB Notification: Performance of sort global known variables: time 3e-07/1.53, allocations: 8 kB / 1.139 GB, free: 7.793 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.008144/1.538, allocations: 1.838 MB / 1.14 GB, free: 5.957 MB / 0.8106 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 0.02919/1.567, allocations: 10.79 MB / 1.151 GB, free: 10.91 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.03821/1.606, allocations: 14.34 MB / 1.165 GB, free: 12.49 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.713e-05/1.606, allocations: 4.375 kB / 1.165 GB, free: 12.48 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.01218/1.618, allocations: 4.403 MB / 1.169 GB, free: 8.039 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003544/1.621, allocations: 292.6 kB / 1.17 GB, free: 7.766 MB / 0.8419 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. 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 simCode: created linear, non-linear and system jacobian parts: time 0.1082/1.73, allocations: 44.07 MB / 1.213 GB, free: 9.68 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003621/1.733, allocations: 2.853 MB / 1.215 GB, free: 6.789 MB / 0.8887 GB Notification: Performance of simCode: alias equations: time 0.005126/1.738, allocations: 1.637 MB / 1.217 GB, free: 5.148 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002127/1.741, allocations: 1.226 MB / 1.218 GB, free: 3.922 MB / 0.8887 GB Notification: Performance of SimCode: time 1.152e-06/1.741, allocations: 0 / 1.218 GB, free: 3.922 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6459/2.387, allocations: 101.7 MB / 1.318 GB, free: 301.6 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.92/16.31, allocations: 11 kB / 1.318 GB, free: 301.6 MB / 0.9356 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)