Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/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: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001175/0.001175, allocations: 115.2 kB / 16.42 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001251/0.001251, allocations: 183.9 kB / 17.35 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.336/1.336, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002176/0.002176, allocations: 292.6 kB / 291.5 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9515/0.9515, allocations: 169.2 MB / 0.499 GB, free: 4.449 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001873/0.001873, allocations: 92.23 kB / 0.6822 GB, free: 6.859 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4629/0.4648, allocations: 86.98 MB / 0.7672 GB, free: 4.027 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02215/0.487, allocations: 18.24 MB / 0.785 GB, free: 1.715 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01135/0.4984, allocations: 6.824 MB / 0.7916 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001612/0.5001, allocations: 55.88 kB / 0.7917 GB, free: 10.82 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004116/0.5042, allocations: 1.465 MB / 0.7931 GB, free: 9.352 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.003621/0.5078, allocations: 1.408 MB / 0.7945 GB, free: 7.938 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003403/0.5112, allocations: 1.29 MB / 0.7958 GB, free: 6.645 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006009/0.5173, allocations: 5.464 MB / 0.8011 GB, free: 1.168 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009189/0.5265, allocations: 7.112 MB / 0.808 GB, free: 9.945 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003607/0.5301, allocations: 2.376 MB / 0.8104 GB, free: 7.562 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004762/0.5349, allocations: 2.964 MB / 0.8133 GB, free: 4.59 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.00149/0.5364, allocations: 0.5156 MB / 0.8138 GB, free: 4.074 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003309/0.5397, allocations: 1.276 MB / 0.815 GB, free: 2.797 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003263/0.543, allocations: 2.254 MB / 0.8172 GB, free: 0.5391 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.004186/0.5472, allocations: 2.183 MB / 0.8193 GB, free: 14.34 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.009662/0.5569, allocations: 7.782 MB / 0.8269 GB, free: 6.547 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 7.023e-06/0.5569, allocations: 0 / 0.8269 GB, free: 6.547 MB / 0.5919 GB Notification: Performance of FrontEnd: time 2.845e-06/0.5569, allocations: 0 / 0.8269 GB, free: 6.547 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0003117/0.5573, allocations: 0 / 0.8269 GB, free: 6.547 MB / 0.5919 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 0.00998/0.5672, allocations: 3.827 MB / 0.8307 GB, free: 2.66 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.076e-05/0.5673, allocations: 11.97 kB / 0.8307 GB, free: 2.648 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01259/0.5799, allocations: 2.349 MB / 0.833 GB, free: 300 kB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004314/0.5842, allocations: 2.186 MB / 0.8351 GB, free: 14.06 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002054/0.5845, allocations: 275.5 kB / 0.8354 GB, free: 13.79 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000912/0.5854, allocations: 351.9 kB / 0.8357 GB, free: 13.45 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01467/0.6001, allocations: 7.112 MB / 0.8427 GB, free: 6.23 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.582e-05/0.6002, allocations: 11.94 kB / 0.8427 GB, free: 6.219 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000606/0.6008, allocations: 148 kB / 0.8428 GB, free: 6.074 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004957/0.6013, allocations: 334.1 kB / 0.8431 GB, free: 5.746 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01535/0.6167, allocations: 7.005 MB / 0.85 GB, free: 14.73 MB / 0.6231 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 0.03497/0.6517, allocations: 26.48 MB / 0.8758 GB, free: 2.059 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008176/0.6599, allocations: 4.996 MB / 0.8807 GB, free: 12.77 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005998/0.6659, allocations: 2.608 MB / 0.8833 GB, free: 10.14 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002685/0.6662, allocations: 135 kB / 0.8834 GB, free: 9.988 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.967e-05/0.6662, allocations: 60.5 kB / 0.8834 GB, free: 9.922 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.188e-06/0.6662, allocations: 0 / 0.8834 GB, free: 9.922 MB / 0.6544 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 0.1059/0.7722, allocations: 30.98 MB / 0.9137 GB, free: 10.86 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001116/0.7723, allocations: 243.5 kB / 0.9139 GB, free: 10.57 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00209/0.7744, allocations: 1.446 MB / 0.9153 GB, free: 9.117 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004002/0.7748, allocations: 65.7 kB / 0.9154 GB, free: 9.047 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009102/0.7757, allocations: 1.497 MB / 0.9169 GB, free: 7.527 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009775/0.7767, allocations: 0.9204 MB / 0.9178 GB, free: 6.594 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001298/0.778, allocations: 0.6279 MB / 0.9184 GB, free: 5.957 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 8.791e-05/0.7781, allocations: 305.1 kB / 0.9187 GB, free: 5.656 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005753/0.7839, allocations: 2.666 MB / 0.9213 GB, free: 2.98 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006333/0.7902, allocations: 3.552 MB / 0.9247 GB, free: 15.05 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01217/0.8024, allocations: 6.383 MB / 0.931 GB, free: 8.262 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.115e-05/0.8025, allocations: 16 kB / 0.931 GB, free: 8.246 MB / 0.7012 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 0.0289/0.8314, allocations: 10.98 MB / 0.9417 GB, free: 13.16 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 6.531e-05/0.8314, allocations: 23.98 kB / 0.9417 GB, free: 13.13 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.991e-05/0.8315, allocations: 24 kB / 0.9418 GB, free: 13.11 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02043/0.852, allocations: 5.466 MB / 0.9471 GB, free: 7.637 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004329/0.8563, allocations: 0.9866 MB / 0.9481 GB, free: 6.648 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.481/1.337, allocations: 28.14 MB / 0.9755 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004655/1.342, allocations: 0.554 MB / 0.9761 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006307/1.343, allocations: 151.9 kB / 0.9762 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008476/1.351, allocations: 3.967 MB / 0.9801 GB, free: 176.7 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00611/1.357, allocations: 3.513 MB / 0.9835 GB, free: 174.8 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07876/1.436, allocations: 24.56 MB / 1.008 GB, free: 164 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.94e-05/1.436, allocations: 8 kB / 1.008 GB, free: 164 MB / 0.7325 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 0.02252/1.459, allocations: 10.5 MB / 1.018 GB, free: 153.5 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.105e-05/1.459, allocations: 16 kB / 1.018 GB, free: 153.5 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.717e-05/1.459, allocations: 24 kB / 1.018 GB, free: 153.4 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01341/1.472, allocations: 4.25 MB / 1.022 GB, free: 149.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004294/1.477, allocations: 1.033 MB / 1.023 GB, free: 148.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02973/1.506, allocations: 27.12 MB / 1.049 GB, free: 120.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004271/1.511, allocations: 0.5356 MB / 1.05 GB, free: 120 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004326/1.511, allocations: 147.9 kB / 1.05 GB, free: 119.9 MB / 0.7325 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.0009851/1.512, allocations: 404.2 kB / 1.051 GB, free: 119.5 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005699/1.513, allocations: 203.4 kB / 1.051 GB, free: 119.4 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.02377/1.536, allocations: 10.17 MB / 1.061 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.673e-05/1.537, allocations: 15.95 kB / 1.061 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.834e-06/1.537, allocations: 8 kB / 1.061 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001522/1.538, allocations: 0.7225 MB / 1.061 GB, free: 108.4 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004269/1.539, allocations: 48 kB / 1.061 GB, free: 108.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003425/1.542, allocations: 0.4914 MB / 1.062 GB, free: 107.8 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006695/1.543, allocations: 293.4 kB / 1.062 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02114/1.564, allocations: 9.411 MB / 1.071 GB, free: 98.19 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01513/1.579, allocations: 8.902 MB / 1.08 GB, free: 89.21 MB / 0.7325 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.004685/1.584, allocations: 2.666 MB / 1.083 GB, free: 86.54 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001189/1.585, allocations: 0.9776 MB / 1.084 GB, free: 85.56 MB / 0.7325 GB Notification: Performance of Backend: time 4.81e-07/1.585, allocations: 0 / 1.084 GB, free: 85.56 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02445/1.609, allocations: 10.5 MB / 1.094 GB, free: 75.04 MB / 0.7325 GB Notification: Performance of SimCode: time 0.01098/1.62, allocations: 7.284 MB / 1.101 GB, free: 67.73 MB / 0.7325 GB Notification: Performance of Templates: time 0.1254/1.746, allocations: 94.48 MB / 1.193 GB, free: 5.484 MB / 0.7637 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)