Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_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 0.007912/0.007912, allocations: 99.34 kB / 15.73 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001988/0.001988, allocations: 195.2 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.475/1.475, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002473/0.002473, allocations: 287 kB / 290.8 MB, free: 1.914 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.017/1.017, allocations: 169.3 MB / 0.4983 GB, free: 13.81 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002742/0.002742, allocations: 95.84 kB / 0.6811 GB, free: 15.9 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1697/0.1725, allocations: 86.98 MB / 0.766 GB, free: 8.848 MB / 0.5606 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.3413/0.5138, allocations: 18.24 MB / 0.7838 GB, free: 7.184 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.009169/0.523, allocations: 6.871 MB / 0.7905 GB, free: 2.535 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00118/0.5242, allocations: 54.22 kB / 0.7906 GB, free: 2.527 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003127/0.5274, allocations: 1.459 MB / 0.792 GB, free: 1.668 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.002833/0.5302, allocations: 1.42 MB / 0.7934 GB, free: 0.8711 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.002779/0.533, allocations: 1.3 MB / 0.7947 GB, free: 176 kB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006144/0.5392, allocations: 5.464 MB / 0.8 GB, free: 13.86 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00893/0.5481, allocations: 7.114 MB / 0.807 GB, free: 11.12 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003921/0.5521, allocations: 2.373 MB / 0.8093 GB, free: 10.04 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004529/0.5566, allocations: 2.97 MB / 0.8122 GB, free: 8.801 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0009896/0.5576, allocations: 0.5139 MB / 0.8127 GB, free: 8.801 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002819/0.5604, allocations: 1.267 MB / 0.8139 GB, free: 8.527 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0029/0.5633, allocations: 2.248 MB / 0.8161 GB, free: 7.664 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.003309/0.5667, allocations: 2.191 MB / 0.8182 GB, free: 6.246 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.01/0.5767, allocations: 7.794 MB / 0.8259 GB, free: 1.281 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 7.695e-06/0.5767, allocations: 5.25 kB / 0.8259 GB, free: 1.277 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.974e-06/0.5767, allocations: 3.938 kB / 0.8259 GB, free: 1.273 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0002172/0.577, allocations: 0 / 0.8259 GB, free: 1.273 MB / 0.5762 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 0.0106/0.5876, allocations: 3.911 MB / 0.8297 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 5.519e-05/0.5876, allocations: 9.344 kB / 0.8297 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001375/0.589, allocations: 0.5459 MB / 0.8302 GB, free: 14.23 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01321/0.6022, allocations: 2.367 MB / 0.8325 GB, free: 13.09 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005435/0.6077, allocations: 2.189 MB / 0.8347 GB, free: 11.72 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002178/0.6079, allocations: 276.5 kB / 0.8349 GB, free: 11.59 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001006/0.609, allocations: 354.9 kB / 0.8353 GB, free: 11.47 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01473/0.6237, allocations: 7.114 MB / 0.8422 GB, free: 5.656 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.164e-05/0.6238, allocations: 7.938 kB / 0.8422 GB, free: 5.648 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004779/0.6243, allocations: 148 kB / 0.8424 GB, free: 5.504 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004945/0.6248, allocations: 334.1 kB / 0.8427 GB, free: 5.176 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01585/0.6406, allocations: 7.009 MB / 0.8495 GB, free: 14.16 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03556/0.6762, allocations: 26.48 MB / 0.8754 GB, free: 1.504 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008745/0.685, allocations: 4.991 MB / 0.8803 GB, free: 12.22 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005993/0.691, allocations: 2.616 MB / 0.8828 GB, free: 9.578 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002619/0.6913, allocations: 131 kB / 0.8829 GB, free: 9.43 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.093e-05/0.6914, allocations: 56.56 kB / 0.883 GB, free: 9.367 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=208): time 7.314e-06/0.6914, allocations: 4 kB / 0.883 GB, free: 9.363 MB / 0.6387 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 0.1094/0.8007, allocations: 31.18 MB / 0.9135 GB, free: 10.12 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001577/0.8009, allocations: 247.5 kB / 0.9137 GB, free: 9.828 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002539/0.8035, allocations: 1.446 MB / 0.9151 GB, free: 8.375 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.000519/0.804, allocations: 69.7 kB / 0.9152 GB, free: 8.301 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.001203/0.8052, allocations: 1.554 MB / 0.9167 GB, free: 6.73 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.001467/0.8067, allocations: 0.9606 MB / 0.9176 GB, free: 5.762 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002075/0.8088, allocations: 0.632 MB / 0.9182 GB, free: 5.121 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.000168/0.809, allocations: 309.1 kB / 0.9185 GB, free: 4.816 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006634/0.8156, allocations: 2.666 MB / 0.9211 GB, free: 2.141 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007072/0.8227, allocations: 3.552 MB / 0.9246 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01362/0.8364, allocations: 6.387 MB / 0.9308 GB, free: 7.422 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.2e-05/0.8364, allocations: 8 kB / 0.9309 GB, free: 7.414 MB / 0.6856 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 0.02912/0.8655, allocations: 10.97 MB / 0.9416 GB, free: 12.34 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 5.062e-05/0.8656, allocations: 16 kB / 0.9416 GB, free: 12.33 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.501e-05/0.8657, allocations: 31.98 kB / 0.9416 GB, free: 12.3 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02011/0.8858, allocations: 5.478 MB / 0.947 GB, free: 6.805 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004587/0.8904, allocations: 0.9906 MB / 0.9479 GB, free: 5.812 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04759/0.938, allocations: 28.18 MB / 0.9754 GB, free: 9.188 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004655/0.9427, allocations: 0.5576 MB / 0.976 GB, free: 8.629 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000802/0.9436, allocations: 156.1 kB / 0.9761 GB, free: 8.477 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00914/0.9527, allocations: 3.956 MB / 0.98 GB, free: 4.512 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007269/0.96, allocations: 3.52 MB / 0.9834 GB, free: 0.6133 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0885/1.049, allocations: 24.56 MB / 1.007 GB, free: 7.547 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.728e-05/1.049, allocations: 8 kB / 1.007 GB, free: 7.539 MB / 0.7637 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 0.02713/1.076, allocations: 10.5 MB / 1.018 GB, free: 12.89 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 4.119e-05/1.076, allocations: 20.5 kB / 1.018 GB, free: 12.87 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.973e-05/1.076, allocations: 24 kB / 1.018 GB, free: 12.85 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01515/1.091, allocations: 4.243 MB / 1.022 GB, free: 8.59 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004686/1.096, allocations: 1.037 MB / 1.023 GB, free: 7.551 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03934/1.135, allocations: 27.15 MB / 1.049 GB, free: 11.68 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004486/1.14, allocations: 0.5381 MB / 1.05 GB, free: 11.14 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006432/1.14, allocations: 155.9 kB / 1.05 GB, free: 10.99 MB / 0.8106 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 0.001234/1.142, allocations: 399.2 kB / 1.05 GB, free: 10.59 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007787/1.142, allocations: 210.7 kB / 1.051 GB, free: 10.38 MB / 0.8106 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 0.02802/1.17, allocations: 10.17 MB / 1.061 GB, free: 136 kB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.95e-05/1.17, allocations: 28 kB / 1.061 GB, free: 108 kB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.989e-05/1.17, allocations: 12 kB / 1.061 GB, free: 96 kB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.118e-05/1.171, allocations: 19.94 kB / 1.061 GB, free: 76 kB / 0.8106 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 0.03866/1.209, allocations: 16.3 MB / 1.077 GB, free: 15.52 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.441e-05/1.209, allocations: 8 kB / 1.077 GB, free: 15.52 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003466/1.213, allocations: 0.7372 MB / 1.077 GB, free: 14.78 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01871/1.231, allocations: 5.095 MB / 1.082 GB, free: 9.668 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006624/1.232, allocations: 71.95 kB / 1.082 GB, free: 9.598 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.3527/1.585, allocations: 27.22 MB / 1.109 GB, free: 266.3 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.28e-05/1.585, allocations: 14.75 kB / 1.109 GB, free: 266.3 MB / 0.8419 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 0.02597/1.611, allocations: 10.14 MB / 1.119 GB, free: 263.2 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001719/1.613, allocations: 0.7261 MB / 1.12 GB, free: 262.9 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003882/1.613, allocations: 58.36 kB / 1.12 GB, free: 262.9 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003392/1.616, allocations: 0.5014 MB / 1.12 GB, free: 262.8 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008681/1.617, allocations: 231.6 kB / 1.12 GB, free: 262.8 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002421/1.618, allocations: 88.25 kB / 1.12 GB, free: 262.8 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.001475/1.619, allocations: 0.9813 MB / 1.121 GB, free: 262.4 MB / 0.8419 GB Notification: Performance of sort global known variables: time 1.102e-06/1.619, allocations: 0 / 1.121 GB, free: 262.4 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.006599/1.626, allocations: 1.843 MB / 1.123 GB, free: 262.2 MB / 0.8419 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 0.02341/1.649, allocations: 10.81 MB / 1.134 GB, free: 258.5 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.02631/1.675, allocations: 12.44 MB / 1.146 GB, free: 254.2 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.35e-05/1.675, allocations: 3.938 kB / 1.146 GB, free: 254.2 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.008943/1.684, allocations: 4.403 MB / 1.15 GB, free: 252.6 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00207/1.687, allocations: 285.7 kB / 1.15 GB, free: 252.4 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 0.07863/1.765, allocations: 42.37 MB / 1.192 GB, free: 212.4 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002308/1.768, allocations: 2.853 MB / 1.195 GB, free: 209.5 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.003707/1.771, allocations: 1.647 MB / 1.196 GB, free: 207.9 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001373/1.773, allocations: 1.227 MB / 1.197 GB, free: 206.7 MB / 0.8419 GB Notification: Performance of SimCode: time 6.91e-07/1.773, allocations: 0 / 1.197 GB, free: 206.7 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1347/1.907, allocations: 103.1 MB / 1.298 GB, free: 104.1 MB / 0.8419 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.13/18.04, allocations: 15.53 kB / 1.298 GB, free: 104.1 MB / 0.8419 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)