Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_10_Buildings.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 0.001524/0.001524, allocations: 101.2 kB / 15.99 MB, free: 6.367 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001552/0.001552, allocations: 193.1 kB / 16.91 MB, free: 6.195 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.358/1.358, allocations: 222.9 MB / 240.6 MB, free: 15.38 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.422/2.422, allocations: 437 MB / 0.7107 GB, free: 4.676 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001505/0.001505, allocations: 64.38 kB / 0.8694 GB, free: 2.527 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3314/0.3329, allocations: 151.6 MB / 1.017 GB, free: 10.97 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02298/0.3559, allocations: 18.17 MB / 1.035 GB, free: 8.727 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.01243/0.3684, allocations: 6.762 MB / 1.042 GB, free: 1.945 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002144/0.3706, allocations: 43.88 kB / 1.042 GB, free: 1.902 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.004267/0.3749, allocations: 1.361 MB / 1.043 GB, free: 0.5391 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.005414/0.3803, allocations: 1.32 MB / 1.044 GB, free: 15.21 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.004461/0.3848, allocations: 1.174 MB / 1.046 GB, free: 14.04 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.007052/0.3919, allocations: 5.476 MB / 1.051 GB, free: 8.555 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01347/0.4054, allocations: 8.544 MB / 1.059 GB, free: 15.91 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004109/0.4096, allocations: 2.376 MB / 1.062 GB, free: 13.53 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005409/0.415, allocations: 3.136 MB / 1.065 GB, free: 10.38 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001971/0.417, allocations: 0.5195 MB / 1.065 GB, free: 9.863 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003941/0.421, allocations: 1.276 MB / 1.066 GB, free: 8.586 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.004142/0.4251, allocations: 2.25 MB / 1.069 GB, free: 6.332 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.006012/0.4312, allocations: 2.187 MB / 1.071 GB, free: 4.137 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.5819/1.013, allocations: 6.648 MB / 1.077 GB, free: 28.81 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 9.227e-06/1.013, allocations: 2.375 kB / 1.077 GB, free: 28.81 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.294e-06/1.013, allocations: 0 / 1.077 GB, free: 28.81 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0002838/1.013, allocations: 0.9688 kB / 1.077 GB, free: 28.81 MB / 0.8419 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 0.0143/1.028, allocations: 3.836 MB / 1.081 GB, free: 27.5 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 6.114e-05/1.028, allocations: 10.27 kB / 1.081 GB, free: 27.5 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01534/1.043, allocations: 2.411 MB / 1.083 GB, free: 27.31 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006999/1.05, allocations: 2.167 MB / 1.086 GB, free: 26.86 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003974/1.051, allocations: 268.9 kB / 1.086 GB, free: 26.85 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002688/1.053, allocations: 351.8 kB / 1.086 GB, free: 26.85 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02633/1.08, allocations: 7.156 MB / 1.093 GB, free: 26.48 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002484/1.08, allocations: 5.75 kB / 1.093 GB, free: 26.48 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002293/1.082, allocations: 151.6 kB / 1.093 GB, free: 26.48 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008885/1.083, allocations: 338.4 kB / 1.094 GB, free: 26.47 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02213/1.105, allocations: 7.045 MB / 1.1 GB, free: 25.58 MB / 0.8419 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 0.04186/1.147, allocations: 26.74 MB / 1.127 GB, free: 6.484 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009524/1.157, allocations: 4.981 MB / 1.131 GB, free: 3.086 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007001/1.164, allocations: 2.602 MB / 1.134 GB, free: 1.793 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003035/1.164, allocations: 129.7 kB / 1.134 GB, free: 1.688 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.396e-05/1.164, allocations: 63.7 kB / 1.134 GB, free: 1.625 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 4.258e-06/1.164, allocations: 0 / 1.134 GB, free: 1.625 MB / 0.8419 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 0.113/1.277, allocations: 30.95 MB / 1.164 GB, free: 15.8 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001502/1.278, allocations: 243.6 kB / 1.165 GB, free: 15.52 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002876/1.28, allocations: 1.469 MB / 1.166 GB, free: 14.04 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0008053/1.281, allocations: 74.86 kB / 1.166 GB, free: 13.96 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001156/1.282, allocations: 1.495 MB / 1.168 GB, free: 12.46 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001631/1.284, allocations: 0.9186 MB / 1.168 GB, free: 11.55 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00157/1.286, allocations: 0.6357 MB / 1.169 GB, free: 10.9 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001055/1.286, allocations: 305.1 kB / 1.169 GB, free: 10.6 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007199/1.293, allocations: 2.69 MB / 1.172 GB, free: 7.902 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008054/1.301, allocations: 3.566 MB / 1.176 GB, free: 3.977 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01503/1.316, allocations: 6.398 MB / 1.182 GB, free: 13.29 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.869e-05/1.316, allocations: 8 kB / 1.182 GB, free: 13.28 MB / 0.8887 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03434/1.351, allocations: 11.03 MB / 1.193 GB, free: 2.375 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 7.171e-05/1.351, allocations: 16 kB / 1.193 GB, free: 2.359 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.732e-05/1.351, allocations: 28 kB / 1.193 GB, free: 2.332 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02168/1.372, allocations: 5.559 MB / 1.198 GB, free: 12.76 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004872/1.377, allocations: 0.9908 MB / 1.199 GB, free: 11.81 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05095/1.428, allocations: 28.2 MB / 1.227 GB, free: 15.23 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005333/1.434, allocations: 0.5769 MB / 1.227 GB, free: 14.65 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009949/1.435, allocations: 155.9 kB / 1.227 GB, free: 14.5 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01027/1.445, allocations: 3.98 MB / 1.231 GB, free: 10.51 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007679/1.453, allocations: 3.529 MB / 1.235 GB, free: 6.617 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09372/1.547, allocations: 24.66 MB / 1.259 GB, free: 13.56 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.483e-05/1.547, allocations: 10.08 kB / 1.259 GB, free: 13.55 MB / 0.9669 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 0.02978/1.576, allocations: 10.53 MB / 1.269 GB, free: 3.098 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 4.742e-05/1.577, allocations: 16 kB / 1.269 GB, free: 3.082 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.226e-05/1.577, allocations: 30.62 kB / 1.269 GB, free: 3.055 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01648/1.593, allocations: 4.342 MB / 1.273 GB, free: 14.69 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005188/1.598, allocations: 1.041 MB / 1.274 GB, free: 13.69 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03884/1.637, allocations: 27.13 MB / 1.301 GB, free: 1.93 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005157/1.642, allocations: 0.5537 MB / 1.301 GB, free: 1.375 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008288/1.643, allocations: 159.9 kB / 1.301 GB, free: 1.219 MB / 0.9981 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001651/1.645, allocations: 395.2 kB / 1.302 GB, free: 0.8633 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001056/1.646, allocations: 201.6 kB / 1.302 GB, free: 0.6641 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02959/1.676, allocations: 10.18 MB / 1.312 GB, free: 6.449 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.404e-05/1.676, allocations: 28 kB / 1.312 GB, free: 6.422 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.393e-05/1.676, allocations: 15.94 kB / 1.312 GB, free: 6.406 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.394e-05/1.676, allocations: 11.95 kB / 1.312 GB, free: 6.395 MB / 1.014 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04077/1.717, allocations: 16.3 MB / 1.328 GB, free: 5.906 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.023e-05/1.717, allocations: 8 kB / 1.328 GB, free: 5.898 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003705/1.72, allocations: 0.7341 MB / 1.329 GB, free: 5.164 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02011/1.741, allocations: 5.196 MB / 1.334 GB, free: 15.95 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008328/1.741, allocations: 75.95 kB / 1.334 GB, free: 15.88 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04334/1.785, allocations: 27.26 MB / 1.36 GB, free: 4.141 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.01e-05/1.785, allocations: 16.03 kB / 1.36 GB, free: 4.125 MB / 1.061 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0274/1.812, allocations: 10.1 MB / 1.37 GB, free: 9.773 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002123/1.814, allocations: 0.7287 MB / 1.371 GB, free: 9.023 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009483/1.815, allocations: 55.98 kB / 1.371 GB, free: 8.969 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004088/1.819, allocations: 0.5031 MB / 1.372 GB, free: 8.465 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001007/1.82, allocations: 222.4 kB / 1.372 GB, free: 8.246 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004477/1.821, allocations: 95.89 kB / 1.372 GB, free: 8.152 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.001812/1.823, allocations: 1.005 MB / 1.373 GB, free: 7.145 MB / 1.076 GB Notification: Performance of sort global known variables: time 1.8e-07/1.823, allocations: 0 / 1.373 GB, free: 7.145 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.008929/1.832, allocations: 1.857 MB / 1.375 GB, free: 5.289 MB / 1.076 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 0.0006763/1.832, allocations: 174.9 kB / 1.375 GB, free: 5.109 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.03476/1.867, allocations: 14.39 MB / 1.389 GB, free: 6.621 MB / 1.092 GB Notification: Performance of simCode: created event and clocks part: time 1.481e-05/1.867, allocations: 0 / 1.389 GB, free: 6.621 MB / 1.092 GB Notification: Performance of simCode: created simulation system equations: time 0.01125/1.878, allocations: 4.425 MB / 1.393 GB, free: 2.148 MB / 1.092 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003388/1.882, allocations: 297.5 kB / 1.393 GB, free: 1.871 MB / 1.092 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02974/1.912, allocations: 11.7 MB / 1.405 GB, free: 6.047 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003912/1.916, allocations: 2.916 MB / 1.408 GB, free: 3.098 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001345/1.917, allocations: 215.3 kB / 1.408 GB, free: 2.891 MB / 1.107 GB Notification: Performance of SimCode: time 1.133e-06/1.917, allocations: 4 kB / 1.408 GB, free: 2.887 MB / 1.107 GB Notification: Performance of Templates: time 0.1229/2.04, allocations: 107.8 MB / 1.513 GB, free: 7.227 MB / 1.217 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)