Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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.BalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001396/0.001396, 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 0.001584/0.001585, allocations: 195.5 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 240.2 MB, free: 4.41 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 2.582/2.582, allocations: 437 MB / 0.7104 GB, free: 5.098 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001333/0.001333, allocations: 59.91 kB / 0.8694 GB, free: 4.559 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5645/0.5658, allocations: 151.6 MB / 1.017 GB, free: 2.496 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02236/0.5882, allocations: 18.18 MB / 1.035 GB, free: 248 kB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.01172/0.6, allocations: 6.801 MB / 1.042 GB, free: 9.422 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001599/0.6017, allocations: 55.88 kB / 1.042 GB, free: 9.367 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.003849/0.6056, allocations: 1.462 MB / 1.043 GB, free: 7.898 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.003529/0.6091, allocations: 1.424 MB / 1.045 GB, free: 6.469 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.003171/0.6123, allocations: 1.263 MB / 1.046 GB, free: 5.207 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.005621/0.6179, allocations: 5.442 MB / 1.051 GB, free: 15.75 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008438/0.6264, allocations: 7.199 MB / 1.058 GB, free: 8.449 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003277/0.6297, allocations: 2.342 MB / 1.061 GB, free: 6.102 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004191/0.6339, allocations: 2.953 MB / 1.063 GB, free: 3.141 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.001525/0.6355, allocations: 0.5117 MB / 1.064 GB, free: 2.629 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003361/0.6388, allocations: 1.252 MB / 1.065 GB, free: 1.375 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.003505/0.6424, allocations: 2.242 MB / 1.067 GB, free: 15.13 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.004104/0.6465, allocations: 2.171 MB / 1.069 GB, free: 12.95 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.009087/0.6556, allocations: 7.682 MB / 1.077 GB, free: 5.246 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 8.706e-06/0.6556, allocations: 0 / 1.077 GB, free: 5.246 MB / 0.8262 GB Notification: Performance of FrontEnd: time 1.683e-06/0.6557, allocations: 0 / 1.077 GB, free: 5.246 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 0.0001936/0.6559, allocations: 0 / 1.077 GB, free: 5.246 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01097/0.6668, allocations: 3.788 MB / 1.081 GB, free: 1.398 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.777e-05/0.6669, allocations: 8.031 kB / 1.081 GB, free: 1.391 MB / 0.8262 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001663/0.6686, allocations: 0.5423 MB / 1.081 GB, free: 0.8398 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01394/0.6825, allocations: 2.399 MB / 1.084 GB, free: 14.43 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005058/0.6876, allocations: 2.155 MB / 1.086 GB, free: 12.23 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002339/0.6879, allocations: 271.2 kB / 1.086 GB, free: 11.97 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001237/0.6891, allocations: 340 kB / 1.086 GB, free: 11.64 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01536/0.7045, allocations: 7.134 MB / 1.093 GB, free: 4.402 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.635e-05/0.7046, allocations: 3.938 kB / 1.093 GB, free: 4.398 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007691/0.7054, allocations: 144 kB / 1.093 GB, free: 4.258 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004863/0.7059, allocations: 330 kB / 1.094 GB, free: 3.934 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01625/0.7222, allocations: 7.032 MB / 1.101 GB, free: 12.89 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 0.03352/0.7557, allocations: 26.62 MB / 1.127 GB, free: 96 kB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008781/0.7645, allocations: 4.988 MB / 1.131 GB, free: 10.8 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006161/0.7707, allocations: 2.596 MB / 1.134 GB, free: 8.176 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002924/0.771, allocations: 135 kB / 1.134 GB, free: 8.027 MB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.183e-05/0.7711, allocations: 64.5 kB / 1.134 GB, free: 7.953 MB / 0.8887 GB Notification: Performance of pre-optimization done (n=208): time 4.308e-06/0.7711, allocations: 0 / 1.134 GB, free: 7.953 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 0.1079/0.8791, allocations: 30.9 MB / 1.164 GB, free: 8.973 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001059/0.8792, allocations: 235.6 kB / 1.165 GB, free: 8.695 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002103/0.8813, allocations: 1.435 MB / 1.166 GB, free: 7.25 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.0003825/0.8817, allocations: 65.7 kB / 1.166 GB, free: 7.18 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008652/0.8826, allocations: 1.482 MB / 1.167 GB, free: 5.676 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009399/0.8835, allocations: 0.9243 MB / 1.168 GB, free: 4.738 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001239/0.8848, allocations: 0.6318 MB / 1.169 GB, free: 4.098 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 8.414e-05/0.8849, allocations: 305.1 kB / 1.169 GB, free: 3.797 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005973/0.8908, allocations: 2.694 MB / 1.172 GB, free: 1.094 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006727/0.8976, allocations: 3.575 MB / 1.175 GB, free: 13.14 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01315/0.9108, allocations: 6.406 MB / 1.182 GB, free: 6.332 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.172e-05/0.9108, allocations: 8 kB / 1.182 GB, free: 6.324 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 0.02982/0.9407, allocations: 11.03 MB / 1.192 GB, free: 11.2 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 5.448e-05/0.9407, allocations: 22 kB / 1.192 GB, free: 11.18 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.743e-05/0.9408, allocations: 28 kB / 1.192 GB, free: 11.15 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02026/0.9611, allocations: 5.563 MB / 1.198 GB, free: 5.566 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004432/0.9655, allocations: 0.9906 MB / 1.199 GB, free: 4.574 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04428/1.01, allocations: 28.18 MB / 1.226 GB, free: 7.941 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004726/1.015, allocations: 0.5771 MB / 1.227 GB, free: 7.363 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006719/1.015, allocations: 159.9 kB / 1.227 GB, free: 7.207 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008398/1.024, allocations: 3.987 MB / 1.231 GB, free: 3.211 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006759/1.03, allocations: 3.532 MB / 1.234 GB, free: 15.3 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.6294/1.66, allocations: 24.67 MB / 1.259 GB, free: 208.8 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.408e-05/1.66, allocations: 7.938 kB / 1.259 GB, free: 208.8 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 0.02463/1.685, allocations: 10.53 MB / 1.269 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.028e-05/1.685, allocations: 23.7 kB / 1.269 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.059e-05/1.685, allocations: 30.03 kB / 1.269 GB, free: 206.3 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01424/1.699, allocations: 4.349 MB / 1.273 GB, free: 205.6 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004314/1.703, allocations: 1.031 MB / 1.274 GB, free: 205.6 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02837/1.732, allocations: 27.11 MB / 1.301 GB, free: 187.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004208/1.736, allocations: 0.553 MB / 1.301 GB, free: 186.8 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002818/1.736, allocations: 156.8 kB / 1.301 GB, free: 186.8 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 0.0007456/1.737, allocations: 401.5 kB / 1.302 GB, free: 186.4 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004721/1.737, allocations: 193.5 kB / 1.302 GB, free: 186.4 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 0.02355/1.761, allocations: 10.17 MB / 1.312 GB, free: 176.9 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.097e-05/1.761, allocations: 27.94 kB / 1.312 GB, free: 176.9 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.573e-05/1.761, allocations: 16 kB / 1.312 GB, free: 176.9 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.21e-05/1.761, allocations: 15.94 kB / 1.312 GB, free: 176.9 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 0.02929/1.79, allocations: 16.29 MB / 1.328 GB, free: 160.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.952e-05/1.79, allocations: 8 kB / 1.328 GB, free: 160.4 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003008/1.793, allocations: 0.7372 MB / 1.328 GB, free: 159.7 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01658/1.81, allocations: 5.197 MB / 1.334 GB, free: 154.5 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003211/1.81, allocations: 75.95 kB / 1.334 GB, free: 154.4 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03087/1.841, allocations: 27.27 MB / 1.36 GB, free: 126.7 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.114e-06/1.841, allocations: 11.94 kB / 1.36 GB, free: 126.7 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 0.02198/1.863, allocations: 10.09 MB / 1.37 GB, free: 116.3 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001401/1.865, allocations: 0.7197 MB / 1.371 GB, free: 115.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003697/1.865, allocations: 55.98 kB / 1.371 GB, free: 115.5 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003261/1.868, allocations: 0.5109 MB / 1.371 GB, free: 115 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007151/1.869, allocations: 230.3 kB / 1.372 GB, free: 114.8 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001894/1.869, allocations: 93.92 kB / 1.372 GB, free: 114.7 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001174/1.87, allocations: 0.9723 MB / 1.373 GB, free: 113.7 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.31e-07/1.87, allocations: 0 / 1.373 GB, free: 113.7 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.004784/1.875, allocations: 1.84 MB / 1.374 GB, free: 111.9 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 0.02195/1.897, allocations: 10.75 MB / 1.385 GB, free: 100.9 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02801/1.925, allocations: 14.39 MB / 1.399 GB, free: 86.41 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.383e-05/1.925, allocations: 448 / 1.399 GB, free: 86.41 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009088/1.934, allocations: 4.418 MB / 1.403 GB, free: 81.95 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001853/1.936, allocations: 269.7 kB / 1.404 GB, free: 81.69 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 simCode: created linear, non-linear and system jacobian parts: time 0.07684/2.013, allocations: 43.29 MB / 1.446 GB, free: 36.47 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002171/2.015, allocations: 2.833 MB / 1.449 GB, free: 33.61 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.004393/2.02, allocations: 1.653 MB / 1.45 GB, free: 31.95 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001287/2.021, allocations: 1.206 MB / 1.451 GB, free: 30.75 MB / 0.9981 GB Notification: Performance of SimCode: time 7.31e-07/2.021, allocations: 0 / 1.451 GB, free: 30.75 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1401/2.161, allocations: 101.2 MB / 1.55 GB, free: 9.969 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.96/15.12, allocations: 22.31 kB / 1.55 GB, free: 9.953 MB / 1.076 GB (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)