Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.00161/0.00161, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001955/0.001955, allocations: 193.9 kB / 16.53 MB, free: 6.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.382/1.382, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.564/2.564, allocations: 437 MB / 0.7104 GB, free: 5.059 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.002273/0.002273, allocations: 55.91 kB / 0.8694 GB, free: 4.496 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5927/0.595, allocations: 151.6 MB / 1.017 GB, free: 2.441 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02131/0.6163, allocations: 18.27 MB / 1.035 GB, free: 100 kB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.01078/0.6272, allocations: 6.809 MB / 1.042 GB, free: 9.27 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001366/0.6286, allocations: 59.88 kB / 1.042 GB, free: 9.211 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.003658/0.6323, allocations: 1.477 MB / 1.043 GB, free: 7.73 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.003154/0.6354, allocations: 1.432 MB / 1.045 GB, free: 6.293 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.002945/0.6384, allocations: 1.265 MB / 1.046 GB, free: 5.027 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.005096/0.6435, allocations: 5.468 MB / 1.051 GB, free: 15.55 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007392/0.6509, allocations: 7.243 MB / 1.058 GB, free: 8.199 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003163/0.6541, allocations: 2.357 MB / 1.061 GB, free: 5.836 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003942/0.658, allocations: 2.964 MB / 1.064 GB, free: 2.863 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.0009749/0.659, allocations: 0.5195 MB / 1.064 GB, free: 2.344 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002428/0.6615, allocations: 1.272 MB / 1.065 GB, free: 1.07 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.002472/0.664, allocations: 2.246 MB / 1.068 GB, free: 14.82 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.003155/0.6671, allocations: 2.194 MB / 1.07 GB, free: 12.62 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.00733/0.6745, allocations: 7.732 MB / 1.077 GB, free: 4.863 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 4.919e-06/0.6745, allocations: 0 / 1.077 GB, free: 4.863 MB / 0.8262 GB Notification: Performance of FrontEnd: time 2.675e-06/0.6745, allocations: 0 / 1.077 GB, free: 4.863 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 0.000126/0.6746, allocations: 3.938 kB / 1.077 GB, free: 4.859 MB / 0.8262 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 0.007864/0.6825, allocations: 3.827 MB / 1.081 GB, free: 0.9727 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.141e-05/0.6826, allocations: 12.03 kB / 1.081 GB, free: 0.9609 MB / 0.8262 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007429/0.6833, allocations: 0.5387 MB / 1.082 GB, free: 424 kB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01329/0.6966, allocations: 2.419 MB / 1.084 GB, free: 13.99 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00443/0.7011, allocations: 2.163 MB / 1.086 GB, free: 11.78 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001963/0.7013, allocations: 271.2 kB / 1.086 GB, free: 11.52 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007917/0.7021, allocations: 352 kB / 1.087 GB, free: 11.17 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01373/0.7158, allocations: 7.155 MB / 1.094 GB, free: 3.918 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.764e-05/0.7159, allocations: 3.938 kB / 1.094 GB, free: 3.914 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004304/0.7164, allocations: 148 kB / 1.094 GB, free: 3.77 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004362/0.7168, allocations: 334.1 kB / 1.094 GB, free: 3.441 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01501/0.7318, allocations: 7.051 MB / 1.101 GB, free: 12.38 MB / 0.8575 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03133/0.7632, allocations: 26.74 MB / 1.127 GB, free: 15.45 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008196/0.7714, allocations: 4.992 MB / 1.132 GB, free: 10.15 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007056/0.7785, allocations: 2.596 MB / 1.135 GB, free: 7.531 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002615/0.7788, allocations: 131 kB / 1.135 GB, free: 7.387 MB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.774e-05/0.7788, allocations: 68.52 kB / 1.135 GB, free: 7.309 MB / 0.8887 GB Notification: Performance of pre-optimization done (n=208): time 3.957e-06/0.7788, allocations: 0 / 1.135 GB, free: 7.309 MB / 0.8887 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1056/0.8844, allocations: 30.94 MB / 1.165 GB, free: 8.285 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001217/0.8846, allocations: 243.5 kB / 1.165 GB, free: 8 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002252/0.8868, allocations: 1.473 MB / 1.167 GB, free: 6.52 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0004202/0.8873, allocations: 69.7 kB / 1.167 GB, free: 6.445 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.001016/0.8883, allocations: 1.497 MB / 1.168 GB, free: 4.926 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.001182/0.8895, allocations: 0.9204 MB / 1.169 GB, free: 3.992 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001359/0.8908, allocations: 0.6318 MB / 1.17 GB, free: 3.352 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 9.771e-05/0.891, allocations: 313.1 kB / 1.17 GB, free: 3.043 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006116/0.8971, allocations: 2.69 MB / 1.173 GB, free: 352 kB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006835/0.9039, allocations: 3.563 MB / 1.176 GB, free: 12.4 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01271/0.9167, allocations: 6.402 MB / 1.182 GB, free: 5.602 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.242e-05/0.9167, allocations: 8 kB / 1.182 GB, free: 5.594 MB / 0.9356 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.0281/0.9448, allocations: 11.02 MB / 1.193 GB, free: 10.47 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 3.544e-05/0.9449, allocations: 20.03 kB / 1.193 GB, free: 10.45 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.129e-05/0.9449, allocations: 28 kB / 1.193 GB, free: 10.42 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01952/0.9644, allocations: 5.563 MB / 1.199 GB, free: 4.84 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00419/0.9686, allocations: 0.9867 MB / 1.2 GB, free: 3.852 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04171/1.01, allocations: 28.2 MB / 1.227 GB, free: 7.191 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004458/1.015, allocations: 0.5616 MB / 1.228 GB, free: 6.629 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005338/1.015, allocations: 155.9 kB / 1.228 GB, free: 6.477 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008593/1.024, allocations: 3.98 MB / 1.232 GB, free: 2.488 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007003/1.031, allocations: 3.536 MB / 1.235 GB, free: 14.57 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.5697/1.601, allocations: 24.65 MB / 1.259 GB, free: 208.7 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.659e-05/1.601, allocations: 7.75 kB / 1.259 GB, free: 208.7 MB / 0.9981 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02439/1.625, allocations: 10.52 MB / 1.269 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.622e-05/1.625, allocations: 19 kB / 1.269 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.82e-05/1.625, allocations: 34.59 kB / 1.27 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01439/1.64, allocations: 4.336 MB / 1.274 GB, free: 205.6 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004467/1.644, allocations: 1.041 MB / 1.275 GB, free: 205.6 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0287/1.673, allocations: 27.14 MB / 1.301 GB, free: 186.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004372/1.677, allocations: 0.5568 MB / 1.302 GB, free: 186.4 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004225/1.678, allocations: 156.9 kB / 1.302 GB, free: 186.3 MB / 0.9981 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[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 0.000783/1.679, allocations: 396.2 kB / 1.302 GB, free: 186 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005231/1.679, allocations: 199.3 kB / 1.303 GB, free: 186 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02378/1.703, allocations: 10.17 MB / 1.312 GB, free: 176.1 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.579e-05/1.703, allocations: 31.94 kB / 1.312 GB, free: 176.1 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.956e-05/1.703, allocations: 12 kB / 1.312 GB, free: 176.1 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.82e-05/1.703, allocations: 19.94 kB / 1.313 GB, free: 176 MB / 0.9981 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03005/1.733, allocations: 16.29 MB / 1.328 GB, free: 159.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.791e-05/1.733, allocations: 8 kB / 1.328 GB, free: 159.6 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003159/1.736, allocations: 0.7339 MB / 1.329 GB, free: 158.8 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01674/1.753, allocations: 5.191 MB / 1.334 GB, free: 153.6 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004099/1.754, allocations: 75.95 kB / 1.334 GB, free: 153.6 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03164/1.785, allocations: 27.27 MB / 1.361 GB, free: 125.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.143e-06/1.785, allocations: 15.97 kB / 1.361 GB, free: 125.8 MB / 0.9981 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02235/1.808, allocations: 10.09 MB / 1.371 GB, free: 115.5 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001373/1.809, allocations: 0.7238 MB / 1.372 GB, free: 114.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003903/1.809, allocations: 59.64 kB / 1.372 GB, free: 114.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003354/1.813, allocations: 0.507 MB / 1.372 GB, free: 114.2 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006556/1.813, allocations: 226.3 kB / 1.372 GB, free: 113.9 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002057/1.814, allocations: 91.94 kB / 1.372 GB, free: 113.8 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001152/1.815, allocations: 1.005 MB / 1.373 GB, free: 112.8 MB / 0.9981 GB Notification: Performance of sort global known variables: time 3.11e-07/1.815, allocations: 0 / 1.373 GB, free: 112.8 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.004759/1.82, allocations: 1.855 MB / 1.375 GB, free: 111 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02274/1.842, allocations: 10.77 MB / 1.386 GB, free: 99.96 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02808/1.87, allocations: 14.37 MB / 1.4 GB, free: 85.51 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 8.777e-06/1.87, allocations: 2 kB / 1.4 GB, free: 85.51 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009153/1.88, allocations: 4.431 MB / 1.404 GB, free: 81.04 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001953/1.882, allocations: 289.9 kB / 1.404 GB, free: 80.77 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. 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.conv1.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.conv1.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 0.08222/1.964, allocations: 44.2 MB / 1.447 GB, free: 34.57 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002329/1.966, allocations: 2.853 MB / 1.45 GB, free: 31.68 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.004635/1.971, allocations: 1.657 MB / 1.452 GB, free: 30.02 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001396/1.972, allocations: 1.226 MB / 1.453 GB, free: 28.8 MB / 0.9981 GB Notification: Performance of SimCode: time 1.122e-06/1.972, allocations: 0 / 1.453 GB, free: 28.8 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1451/2.117, allocations: 102.1 MB / 1.553 GB, free: 7.129 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.77/14.88, allocations: 14.08 kB / 1.553 GB, free: 7.121 MB / 1.076 GB (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)