Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_11_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 0.007998/0.007998, allocations: 100.3 kB / 15.73 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001456/0.001456, allocations: 193.4 kB / 16.67 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.325/1.325, allocations: 222.9 MB / 240.4 MB, free: 15.05 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.579/2.579, allocations: 469.8 MB / 0.7425 GB, free: 3.371 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001273/0.001273, allocations: 71.89 kB / 1.065 GB, free: 13.4 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9353/0.9366, allocations: 159.1 MB / 1.221 GB, free: 2.043 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02199/0.9586, allocations: 18.3 MB / 1.239 GB, free: 15.68 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.01201/0.9706, allocations: 6.893 MB / 1.245 GB, free: 8.766 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001902/0.9725, allocations: 55.88 kB / 1.245 GB, free: 8.711 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.004038/0.9766, allocations: 1.48 MB / 1.247 GB, free: 7.227 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.004073/0.9806, allocations: 1.467 MB / 1.248 GB, free: 5.754 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.003494/0.9841, allocations: 1.269 MB / 1.25 GB, free: 4.484 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.006921/0.991, allocations: 5.472 MB / 1.255 GB, free: 15 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006804/0.9979, allocations: 5.183 MB / 1.26 GB, free: 9.707 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004173/1.002, allocations: 2.38 MB / 1.262 GB, free: 7.32 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004911/1.007, allocations: 2.976 MB / 1.265 GB, free: 4.336 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001068/1.008, allocations: 0.5233 MB / 1.266 GB, free: 3.812 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002711/1.011, allocations: 1.268 MB / 1.267 GB, free: 2.543 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.002418/1.013, allocations: 2.299 MB / 1.269 GB, free: 244 kB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.00328/1.016, allocations: 2.19 MB / 1.271 GB, free: 14.04 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.009116/1.026, allocations: 7.793 MB / 1.279 GB, free: 6.223 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.37e-06/1.026, allocations: 8 kB / 1.279 GB, free: 6.215 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.102e-06/1.026, allocations: 0 / 1.279 GB, free: 6.215 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0001943/1.026, allocations: 4 kB / 1.279 GB, free: 6.211 MB / 0.9981 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 0.008713/1.034, allocations: 3.911 MB / 1.283 GB, free: 2.234 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.484e-05/1.034, allocations: 8.031 kB / 1.283 GB, free: 2.227 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01292/1.047, allocations: 2.433 MB / 1.285 GB, free: 15.79 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004712/1.052, allocations: 2.203 MB / 1.287 GB, free: 13.54 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001909/1.052, allocations: 263.5 kB / 1.288 GB, free: 13.28 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009101/1.053, allocations: 359.8 kB / 1.288 GB, free: 12.93 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01384/1.067, allocations: 7.155 MB / 1.295 GB, free: 5.672 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.023e-05/1.067, allocations: 4 kB / 1.295 GB, free: 5.668 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004262/1.068, allocations: 144 kB / 1.295 GB, free: 5.527 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004303/1.068, allocations: 334.1 kB / 1.295 GB, free: 5.199 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01578/1.084, allocations: 7.051 MB / 1.302 GB, free: 14.14 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03526/1.119, allocations: 26.53 MB / 1.328 GB, free: 1.445 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008008/1.127, allocations: 4.882 MB / 1.333 GB, free: 12.26 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005703/1.133, allocations: 2.53 MB / 1.335 GB, free: 9.711 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002628/1.133, allocations: 131 kB / 1.335 GB, free: 9.562 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.67e-05/1.133, allocations: 64.48 kB / 1.336 GB, free: 9.492 MB / 1.061 GB Notification: Performance of pre-optimization done (n=208): time 4.138e-06/1.133, allocations: 0 / 1.336 GB, free: 9.492 MB / 1.061 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 0.1091/1.242, allocations: 31.1 MB / 1.366 GB, free: 10.32 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001345/1.242, allocations: 239.6 kB / 1.366 GB, free: 10.04 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00268/1.245, allocations: 1.469 MB / 1.368 GB, free: 8.562 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 0.000526/1.246, allocations: 69.7 kB / 1.368 GB, free: 8.488 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.001093/1.247, allocations: 1.55 MB / 1.369 GB, free: 6.922 MB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.001488/1.248, allocations: 0.9722 MB / 1.37 GB, free: 5.941 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002428/1.251, allocations: 0.6321 MB / 1.371 GB, free: 5.301 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001296/1.251, allocations: 305.1 kB / 1.371 GB, free: 5 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006709/1.257, allocations: 2.694 MB / 1.374 GB, free: 2.297 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007161/1.265, allocations: 3.567 MB / 1.377 GB, free: 14.36 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01351/1.278, allocations: 6.402 MB / 1.383 GB, free: 7.555 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.068e-05/1.278, allocations: 8 kB / 1.383 GB, free: 7.547 MB / 1.107 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 0.02983/1.308, allocations: 10.9 MB / 1.394 GB, free: 12.54 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 5.082e-05/1.308, allocations: 19.98 kB / 1.394 GB, free: 12.52 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.903e-05/1.308, allocations: 28 kB / 1.394 GB, free: 12.5 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02095/1.329, allocations: 5.56 MB / 1.399 GB, free: 6.918 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004667/1.334, allocations: 0.9905 MB / 1.4 GB, free: 5.926 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04748/1.381, allocations: 28.23 MB / 1.428 GB, free: 9.246 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005308/1.386, allocations: 0.5733 MB / 1.429 GB, free: 8.672 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008504/1.387, allocations: 151.9 kB / 1.429 GB, free: 8.523 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01007/1.397, allocations: 3.984 MB / 1.433 GB, free: 4.531 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007392/1.405, allocations: 3.528 MB / 1.436 GB, free: 0.625 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09207/1.497, allocations: 24.62 MB / 1.46 GB, free: 7.496 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.127e-05/1.497, allocations: 8 kB / 1.46 GB, free: 7.488 MB / 1.186 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 0.02716/1.524, allocations: 10.48 MB / 1.47 GB, free: 12.87 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.899e-05/1.524, allocations: 18.34 kB / 1.47 GB, free: 12.85 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.234e-05/1.524, allocations: 35.92 kB / 1.47 GB, free: 12.82 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01554/1.54, allocations: 4.321 MB / 1.475 GB, free: 8.477 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004784/1.544, allocations: 1.049 MB / 1.476 GB, free: 7.426 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03638/1.581, allocations: 27.17 MB / 1.502 GB, free: 11.53 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004724/1.586, allocations: 0.5538 MB / 1.503 GB, free: 10.98 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005687/1.586, allocations: 144 kB / 1.503 GB, free: 10.84 MB / 1.232 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.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.0009848/1.587, allocations: 407.2 kB / 1.503 GB, free: 10.43 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006238/1.588, allocations: 214.7 kB / 1.503 GB, free: 10.22 MB / 1.232 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 0.02732/1.615, allocations: 10.07 MB / 1.513 GB, free: 72 kB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.91e-05/1.615, allocations: 31.94 kB / 1.513 GB, free: 40 kB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.545e-05/1.615, allocations: 12 kB / 1.513 GB, free: 28 kB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.832e-05/1.615, allocations: 15.95 kB / 1.513 GB, free: 12 kB / 1.232 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 0.03683/1.652, allocations: 16.23 MB / 1.529 GB, free: 15.53 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.984e-05/1.652, allocations: 8 kB / 1.529 GB, free: 15.52 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003587/1.656, allocations: 0.7333 MB / 1.53 GB, free: 14.79 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01955/1.675, allocations: 5.173 MB / 1.535 GB, free: 9.594 MB / 1.264 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005823/1.676, allocations: 80.33 kB / 1.535 GB, free: 9.516 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.7103/2.386, allocations: 27.22 MB / 1.562 GB, free: 313 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.918e-05/2.386, allocations: 15.72 kB / 1.562 GB, free: 313 MB / 1.279 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 0.02833/2.414, allocations: 10.05 MB / 1.571 GB, free: 311.9 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001989/2.416, allocations: 0.7376 MB / 1.572 GB, free: 311.8 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005735/2.417, allocations: 55.94 kB / 1.572 GB, free: 311.8 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003706/2.421, allocations: 0.507 MB / 1.573 GB, free: 311.8 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009592/2.422, allocations: 224.5 kB / 1.573 GB, free: 311.8 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002955/2.422, allocations: 98.16 kB / 1.573 GB, free: 311.8 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.002047/2.424, allocations: 1.005 MB / 1.574 GB, free: 311.7 MB / 1.279 GB Notification: Performance of sort global known variables: time 9.1e-08/2.424, allocations: 0 / 1.574 GB, free: 311.7 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.008395/2.432, allocations: 1.858 MB / 1.576 GB, free: 311.7 MB / 1.279 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 0.0005211/2.433, allocations: 173.6 kB / 1.576 GB, free: 311.6 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.02533/2.458, allocations: 12.03 MB / 1.588 GB, free: 307.7 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.054e-05/2.458, allocations: 3.906 kB / 1.588 GB, free: 307.7 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.009041/2.467, allocations: 4.23 MB / 1.592 GB, free: 306.2 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002335/2.47, allocations: 294.2 kB / 1.592 GB, free: 306.1 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02062/2.49, allocations: 9.585 MB / 1.602 GB, free: 301.5 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002809/2.493, allocations: 2.846 MB / 1.604 GB, free: 299.2 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.00396/2.497, allocations: 1.659 MB / 1.606 GB, free: 298.2 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006089/2.498, allocations: 174.3 kB / 1.606 GB, free: 298.1 MB / 1.279 GB Notification: Performance of SimCode: time 8.51e-07/2.498, allocations: 0 / 1.606 GB, free: 298.1 MB / 1.279 GB Notification: Performance of Templates: time 0.08727/2.585, allocations: 79.8 MB / 1.684 GB, free: 218.8 MB / 1.279 GB make -j1 -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)