Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001511/0.001511, allocations: 104.9 kB / 16.35 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001655/0.001655, allocations: 192.1 kB / 17.29 MB, free: 5.52 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.361/1.361, allocations: 205.1 MB / 223.2 MB, free: 12.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.802/1.802, allocations: 292.3 MB / 0.5496 GB, free: 17.48 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001628/0.001628, allocations: 71.91 kB / 0.6729 GB, free: 5.82 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2394/0.2411, allocations: 114.6 MB / 0.7848 GB, free: 3.156 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.4713/0.7124, allocations: 18.23 MB / 0.8026 GB, free: 40.38 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01439/0.7268, allocations: 6.897 MB / 0.8093 GB, free: 35.73 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00266/0.7295, allocations: 56.72 kB / 0.8094 GB, free: 35.72 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00467/0.7343, allocations: 1.464 MB / 0.8108 GB, free: 34.86 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.005177/0.7395, allocations: 1.418 MB / 0.8122 GB, free: 34.07 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004338/0.7438, allocations: 1.3 MB / 0.8135 GB, free: 33.37 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.009378/0.7532, allocations: 5.467 MB / 0.8188 GB, free: 31.06 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0128/0.7661, allocations: 7.239 MB / 0.8259 GB, free: 28.44 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006644/0.7728, allocations: 2.373 MB / 0.8282 GB, free: 27.37 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007355/0.7802, allocations: 2.969 MB / 0.8311 GB, free: 26.12 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002844/0.7831, allocations: 0.5139 MB / 0.8316 GB, free: 26.12 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006785/0.7899, allocations: 1.272 MB / 0.8329 GB, free: 25.85 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.006373/0.7963, allocations: 2.249 MB / 0.835 GB, free: 24.98 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.008212/0.8046, allocations: 2.191 MB / 0.8372 GB, free: 23.57 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01452/0.8191, allocations: 7.778 MB / 0.8448 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 8.406e-06/0.8192, allocations: 1.094 kB / 0.8448 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of FrontEnd: time 3.116e-06/0.8192, allocations: 0 / 0.8448 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002665/0.8195, allocations: 1.969 kB / 0.8448 GB, free: 20.52 MB / 0.6544 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 0.01591/0.8354, allocations: 3.824 MB / 0.8485 GB, free: 17.96 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.008e-05/0.8354, allocations: 8.875 kB / 0.8485 GB, free: 17.96 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01433/0.8498, allocations: 2.35 MB / 0.8508 GB, free: 16.84 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007927/0.8578, allocations: 2.158 MB / 0.8529 GB, free: 15.49 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003957/0.8582, allocations: 270.8 kB / 0.8532 GB, free: 15.36 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002522/0.8607, allocations: 354.9 kB / 0.8535 GB, free: 15.24 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0222/0.8829, allocations: 7.128 MB / 0.8605 GB, free: 11.18 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002042/0.8832, allocations: 3.938 kB / 0.8605 GB, free: 11.18 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001814/0.885, allocations: 151.7 kB / 0.8606 GB, free: 11.06 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005694/0.8856, allocations: 333.2 kB / 0.861 GB, free: 10.96 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0176/0.9032, allocations: 7 MB / 0.8678 GB, free: 5.371 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04358/0.9468, allocations: 26.44 MB / 0.8936 GB, free: 8.758 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008877/0.9558, allocations: 4.983 MB / 0.8985 GB, free: 3.465 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006198/0.962, allocations: 2.593 MB / 0.901 GB, free: 0.8555 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003649/0.9624, allocations: 131 kB / 0.9011 GB, free: 0.7109 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.338e-05/0.9624, allocations: 68.5 kB / 0.9012 GB, free: 0.6328 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.058e-06/0.9625, allocations: 0 / 0.9012 GB, free: 0.6328 MB / 0.6856 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1074/1.07, allocations: 30.95 MB / 0.9314 GB, free: 1.598 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001527/1.07, allocations: 239.6 kB / 0.9316 GB, free: 1.316 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002676/1.073, allocations: 1.456 MB / 0.9331 GB, free: 15.86 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0007477/1.074, allocations: 69.7 kB / 0.9331 GB, free: 15.78 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001166/1.075, allocations: 1.497 MB / 0.9346 GB, free: 14.26 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001501/1.076, allocations: 0.9164 MB / 0.9355 GB, free: 13.33 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001974/1.078, allocations: 0.6318 MB / 0.9361 GB, free: 12.69 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.000114/1.078, allocations: 305.1 kB / 0.9364 GB, free: 12.39 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006269/1.085, allocations: 2.666 MB / 0.939 GB, free: 9.715 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006892/1.092, allocations: 3.548 MB / 0.9425 GB, free: 5.789 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01304/1.105, allocations: 6.375 MB / 0.9487 GB, free: 15.02 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.387e-05/1.105, allocations: 16 kB / 0.9487 GB, free: 15 MB / 0.7481 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03021/1.135, allocations: 10.95 MB / 0.9594 GB, free: 3.941 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.822e-05/1.135, allocations: 16 kB / 0.9594 GB, free: 3.926 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.965e-05/1.135, allocations: 27.98 kB / 0.9594 GB, free: 3.898 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02119/1.156, allocations: 5.482 MB / 0.9648 GB, free: 14.4 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004758/1.161, allocations: 0.9866 MB / 0.9658 GB, free: 13.41 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04792/1.209, allocations: 28.14 MB / 0.9932 GB, free: 0.8125 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004661/1.214, allocations: 0.5575 MB / 0.9938 GB, free: 260 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007694/1.214, allocations: 151.9 kB / 0.9939 GB, free: 108 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009081/1.224, allocations: 3.96 MB / 0.9978 GB, free: 12.14 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006918/1.231, allocations: 3.513 MB / 1.001 GB, free: 8.246 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09012/1.321, allocations: 24.56 MB / 1.025 GB, free: 15.17 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.153e-05/1.321, allocations: 8 kB / 1.025 GB, free: 15.16 MB / 0.8262 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02986/1.351, allocations: 10.49 MB / 1.035 GB, free: 4.527 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.77e-05/1.351, allocations: 20.09 kB / 1.035 GB, free: 4.508 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.32e-05/1.351, allocations: 27.94 kB / 1.036 GB, free: 4.48 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01544/1.366, allocations: 4.247 MB / 1.04 GB, free: 220 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00482/1.371, allocations: 1.026 MB / 1.041 GB, free: 15.19 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03572/1.407, allocations: 27.13 MB / 1.067 GB, free: 3.328 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004462/1.411, allocations: 0.5342 MB / 1.068 GB, free: 2.793 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000781/1.412, allocations: 160.5 kB / 1.068 GB, free: 2.637 MB / 0.8575 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001436/1.414, allocations: 400.3 kB / 1.068 GB, free: 2.242 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008782/1.414, allocations: 201.6 kB / 1.068 GB, free: 2.043 MB / 0.8575 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02747/1.442, allocations: 10.17 MB / 1.078 GB, free: 7.801 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.864e-05/1.442, allocations: 33.25 kB / 1.078 GB, free: 7.77 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.669e-05/1.442, allocations: 12 kB / 1.078 GB, free: 7.758 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.349e-05/1.442, allocations: 15.94 kB / 1.078 GB, free: 7.742 MB / 0.8731 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04341/1.486, allocations: 16.3 MB / 1.094 GB, free: 7.195 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.57e-05/1.486, allocations: 8 kB / 1.094 GB, free: 7.188 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003565/1.489, allocations: 0.7336 MB / 1.095 GB, free: 6.453 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01889/1.508, allocations: 5.099 MB / 1.1 GB, free: 1.336 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008076/1.509, allocations: 79.95 kB / 1.1 GB, free: 1.258 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04269/1.552, allocations: 27.18 MB / 1.127 GB, free: 5.578 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.488e-05/1.552, allocations: 16.53 kB / 1.127 GB, free: 5.562 MB / 0.92 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.4475/1.999, allocations: 10.13 MB / 1.137 GB, free: 289.3 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002341/2.002, allocations: 0.7216 MB / 1.137 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005747/2.002, allocations: 57.34 kB / 1.137 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003435/2.006, allocations: 0.4959 MB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008639/2.007, allocations: 233.5 kB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002354/2.007, allocations: 91.3 kB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001361/2.008, allocations: 0.9773 MB / 1.139 GB, free: 289.1 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.4e-07/2.008, allocations: 0 / 1.139 GB, free: 289.1 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.006932/2.015, allocations: 1.842 MB / 1.141 GB, free: 289.1 MB / 0.92 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005551/2.016, allocations: 181.2 kB / 1.141 GB, free: 289 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.02963/2.045, allocations: 12.4 MB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.386e-05/2.045, allocations: 5.312 kB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01107/2.056, allocations: 4.386 MB / 1.157 GB, free: 287.1 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003367/2.06, allocations: 290.9 kB / 1.158 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02772/2.088, allocations: 9.483 MB / 1.167 GB, free: 283.8 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004375/2.092, allocations: 2.848 MB / 1.17 GB, free: 282.6 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.004384/2.096, allocations: 1.64 MB / 1.171 GB, free: 282.6 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00067/2.097, allocations: 178.6 kB / 1.172 GB, free: 282.6 MB / 0.92 GB Notification: Performance of SimCode: time 1.143e-06/2.097, allocations: 0 / 1.172 GB, free: 282.6 MB / 0.92 GB Notification: Performance of Templates: time 0.09229/2.189, allocations: 77.75 MB / 1.247 GB, free: 224.9 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)