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 0.001167/0.001167, allocations: 109.7 kB / 16.38 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001171/0.001171, allocations: 190.8 kB / 17.31 MB, free: 5.621 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.357/1.357, allocations: 205.1 MB / 223.2 MB, free: 12.26 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 1.999/1.999, allocations: 292.3 MB / 0.5496 GB, free: 17.63 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 0.001704/0.001704, allocations: 68.47 kB / 0.673 GB, free: 5.82 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2496/0.2513, allocations: 114.6 MB / 0.7848 GB, free: 3.152 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.452/0.7033, allocations: 18.24 MB / 0.8026 GB, free: 40.29 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01434/0.7177, allocations: 6.898 MB / 0.8094 GB, free: 35.64 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003793/0.7217, allocations: 56.97 kB / 0.8094 GB, free: 35.63 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.006384/0.7281, allocations: 1.465 MB / 0.8109 GB, free: 34.76 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.005886/0.734, allocations: 1.419 MB / 0.8123 GB, free: 33.98 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004343/0.7384, allocations: 1.29 MB / 0.8135 GB, free: 33.29 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.009106/0.7475, allocations: 5.465 MB / 0.8188 GB, free: 30.98 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01054/0.7581, allocations: 7.243 MB / 0.8259 GB, free: 28.38 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005445/0.7636, allocations: 2.373 MB / 0.8282 GB, free: 27.3 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006314/0.77, allocations: 2.97 MB / 0.8311 GB, free: 26.06 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001564/0.7716, allocations: 0.5138 MB / 0.8316 GB, free: 26.06 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004131/0.7757, allocations: 1.276 MB / 0.8329 GB, free: 25.78 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003995/0.7797, allocations: 2.243 MB / 0.8351 GB, free: 24.92 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.006364/0.7861, allocations: 2.184 MB / 0.8372 GB, free: 23.51 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01464/0.8008, allocations: 7.784 MB / 0.8448 GB, free: 20.47 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 7.514e-06/0.8008, allocations: 0 / 0.8448 GB, free: 20.47 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.455e-06/0.8008, allocations: 1.344 kB / 0.8448 GB, free: 20.47 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002682/0.8011, allocations: 0 / 0.8448 GB, free: 20.47 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 0.01804/0.8191, allocations: 3.818 MB / 0.8485 GB, free: 17.91 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 6.574e-05/0.8192, allocations: 9.125 kB / 0.8486 GB, free: 17.91 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01552/0.8347, allocations: 2.353 MB / 0.8508 GB, free: 16.79 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007032/0.8418, allocations: 2.181 MB / 0.853 GB, free: 15.43 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003388/0.8422, allocations: 267.9 kB / 0.8532 GB, free: 15.3 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002092/0.8443, allocations: 358.9 kB / 0.8536 GB, free: 15.18 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02132/0.8656, allocations: 7.122 MB / 0.8605 GB, free: 11.12 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001115/0.8658, allocations: 13.64 kB / 0.8605 GB, free: 11.11 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006008/0.8664, allocations: 152.2 kB / 0.8607 GB, free: 10.99 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005138/0.8669, allocations: 336.5 kB / 0.861 GB, free: 10.89 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01841/0.8854, allocations: 6.999 MB / 0.8678 GB, free: 5.352 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04472/0.9302, allocations: 26.43 MB / 0.8937 GB, free: 8.746 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009634/0.9398, allocations: 4.983 MB / 0.8985 GB, free: 3.453 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006499/0.9464, allocations: 2.604 MB / 0.9011 GB, free: 0.8281 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003697/0.9468, allocations: 131 kB / 0.9012 GB, free: 0.6836 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.184e-05/0.9468, allocations: 60.56 kB / 0.9012 GB, free: 0.6133 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.629e-06/0.9469, allocations: 0 / 0.9012 GB, free: 0.6133 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 0.1144/1.061, allocations: 30.94 MB / 0.9315 GB, free: 1.582 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001421/1.061, allocations: 247.5 kB / 0.9317 GB, free: 1.293 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00293/1.064, allocations: 1.442 MB / 0.9331 GB, free: 15.84 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006644/1.065, allocations: 69.7 kB / 0.9332 GB, free: 15.77 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.00122/1.066, allocations: 1.497 MB / 0.9346 GB, free: 14.25 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001441/1.068, allocations: 0.9203 MB / 0.9355 GB, free: 13.32 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001742/1.07, allocations: 0.628 MB / 0.9362 GB, free: 12.68 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.745e-05/1.07, allocations: 301.1 kB / 0.9364 GB, free: 12.38 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006199/1.076, allocations: 2.67 MB / 0.939 GB, free: 9.703 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007206/1.083, allocations: 3.548 MB / 0.9425 GB, free: 5.777 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01373/1.097, allocations: 6.383 MB / 0.9487 GB, free: 15 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.612e-05/1.097, allocations: 8 kB / 0.9488 GB, free: 14.99 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 0.0303/1.127, allocations: 10.95 MB / 0.9594 GB, free: 3.926 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 5.328e-05/1.127, allocations: 16 kB / 0.9595 GB, free: 3.91 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.662e-05/1.127, allocations: 34.23 kB / 0.9595 GB, free: 3.879 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02042/1.148, allocations: 5.478 MB / 0.9648 GB, free: 14.39 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004644/1.152, allocations: 0.9867 MB / 0.9658 GB, free: 13.4 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04668/1.199, allocations: 28.15 MB / 0.9933 GB, free: 0.7891 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005425/1.205, allocations: 0.5575 MB / 0.9938 GB, free: 236 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008854/1.206, allocations: 151.9 kB / 0.994 GB, free: 84 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01005/1.216, allocations: 3.96 MB / 0.9979 GB, free: 12.11 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007256/1.223, allocations: 3.517 MB / 1.001 GB, free: 8.219 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09271/1.316, allocations: 24.55 MB / 1.025 GB, free: 15.16 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.16e-05/1.316, allocations: 8 kB / 1.025 GB, free: 15.15 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 0.03151/1.347, allocations: 10.49 MB / 1.036 GB, free: 4.512 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.05e-05/1.347, allocations: 17.72 kB / 1.036 GB, free: 4.496 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.984e-05/1.347, allocations: 31.98 kB / 1.036 GB, free: 4.465 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01534/1.363, allocations: 4.251 MB / 1.04 GB, free: 200 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005016/1.368, allocations: 1.026 MB / 1.041 GB, free: 15.17 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03687/1.405, allocations: 27.13 MB / 1.067 GB, free: 3.309 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005046/1.41, allocations: 0.5264 MB / 1.068 GB, free: 2.781 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008311/1.411, allocations: 159.9 kB / 1.068 GB, free: 2.625 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 0.001607/1.412, allocations: 397.8 kB / 1.068 GB, free: 2.23 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009338/1.413, allocations: 201.6 kB / 1.068 GB, free: 2.031 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 0.0267/1.44, allocations: 10.18 MB / 1.078 GB, free: 7.777 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.738e-05/1.44, allocations: 23.88 kB / 1.078 GB, free: 7.754 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.101e-06/1.44, allocations: 0 / 1.078 GB, free: 7.754 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001967/1.442, allocations: 0.7171 MB / 1.079 GB, free: 7.016 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008232/1.443, allocations: 51.98 kB / 1.079 GB, free: 6.965 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004119/1.447, allocations: 0.4953 MB / 1.08 GB, free: 6.469 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007471/1.448, allocations: 277.5 kB / 1.08 GB, free: 6.199 MB / 0.8731 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02471/1.472, allocations: 9.422 MB / 1.089 GB, free: 12.75 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01877/1.491, allocations: 8.89 MB / 1.098 GB, free: 3.777 MB / 0.8887 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005767/1.497, allocations: 2.67 MB / 1.1 GB, free: 1.105 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.002216/1.499, allocations: 0.9777 MB / 1.101 GB, free: 128 kB / 0.8887 GB Notification: Performance of Backend: time 3.266e-06/1.499, allocations: 0 / 1.101 GB, free: 128 kB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.03229/1.532, allocations: 10.52 MB / 1.112 GB, free: 5.52 MB / 0.9044 GB Notification: Performance of SimCode: time 0.01569/1.547, allocations: 7.28 MB / 1.119 GB, free: 14.2 MB / 0.92 GB Notification: Performance of Templates: time 0.5898/2.137, allocations: 93.24 MB / 1.21 GB, free: 263.6 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 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)