Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.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_9_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_9_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 0.01012/0.01012, allocations: 108.7 kB / 15.71 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001979/0.001979, allocations: 184.9 kB / 16.64 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.511/1.511, allocations: 222.9 MB / 240.3 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.263/2.263, allocations: 390.3 MB / 0.6648 GB, free: 0.5586 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001807/0.001807, allocations: 67.89 kB / 0.951 GB, free: 7.465 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9614/0.9632, allocations: 140.4 MB / 1.088 GB, free: 5.445 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02903/0.9923, allocations: 18.27 MB / 1.106 GB, free: 9.285 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01285/1.005, allocations: 6.815 MB / 1.113 GB, free: 4.641 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002651/1.008, allocations: 57.47 kB / 1.113 GB, free: 4.633 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.00435/1.012, allocations: 1.464 MB / 1.114 GB, free: 3.762 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004781/1.017, allocations: 1.413 MB / 1.115 GB, free: 2.965 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004439/1.022, allocations: 1.288 MB / 1.117 GB, free: 2.27 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.009107/1.031, allocations: 5.454 MB / 1.122 GB, free: 15.96 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01283/1.044, allocations: 7.133 MB / 1.129 GB, free: 13.15 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00685/1.05, allocations: 2.364 MB / 1.131 GB, free: 12.09 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006771/1.057, allocations: 2.97 MB / 1.134 GB, free: 10.84 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001971/1.059, allocations: 0.514 MB / 1.135 GB, free: 10.84 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004299/1.064, allocations: 1.268 MB / 1.136 GB, free: 10.57 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.004316/1.068, allocations: 2.243 MB / 1.138 GB, free: 9.707 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.007416/1.075, allocations: 2.197 MB / 1.14 GB, free: 8.285 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01449/1.09, allocations: 7.782 MB / 1.148 GB, free: 5.277 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 7.705e-06/1.09, allocations: 0 / 1.148 GB, free: 5.277 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.083e-06/1.09, allocations: 0 / 1.148 GB, free: 5.277 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0003216/1.09, allocations: 0 / 1.148 GB, free: 5.277 MB / 0.8887 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 0.02414/1.114, allocations: 3.824 MB / 1.152 GB, free: 2.715 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.498e-05/1.114, allocations: 9.125 kB / 1.152 GB, free: 2.715 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01548/1.13, allocations: 2.345 MB / 1.154 GB, free: 1.594 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006705/1.137, allocations: 2.181 MB / 1.156 GB, free: 240 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004137/1.137, allocations: 275.3 kB / 1.156 GB, free: 108 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002396/1.14, allocations: 355.2 kB / 1.157 GB, free: 15.98 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02519/1.165, allocations: 7.124 MB / 1.164 GB, free: 11.92 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001991/1.165, allocations: 6.156 kB / 1.164 GB, free: 11.92 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002254/1.167, allocations: 147.2 kB / 1.164 GB, free: 11.8 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000766/1.168, allocations: 329.9 kB / 1.164 GB, free: 11.71 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02442/1.192, allocations: 7.006 MB / 1.171 GB, free: 8.18 MB / 0.9044 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 0.05019/1.243, allocations: 26.48 MB / 1.197 GB, free: 12.3 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009314/1.252, allocations: 4.992 MB / 1.202 GB, free: 7.012 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006517/1.259, allocations: 2.6 MB / 1.204 GB, free: 4.391 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000373/1.259, allocations: 139 kB / 1.204 GB, free: 4.238 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.611e-05/1.259, allocations: 56.55 kB / 1.204 GB, free: 4.172 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 6.663e-06/1.259, allocations: 0 / 1.204 GB, free: 4.172 MB / 0.9356 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 0.1134/1.372, allocations: 30.98 MB / 1.235 GB, free: 5.098 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001452/1.373, allocations: 239.6 kB / 1.235 GB, free: 4.816 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00291/1.376, allocations: 1.446 MB / 1.236 GB, free: 3.363 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0008568/1.376, allocations: 65.7 kB / 1.236 GB, free: 3.293 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001212/1.378, allocations: 1.501 MB / 1.238 GB, free: 1.77 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001728/1.379, allocations: 0.9203 MB / 1.239 GB, free: 0.8359 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002456/1.382, allocations: 0.6318 MB / 1.239 GB, free: 200 kB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001415/1.382, allocations: 309.1 kB / 1.24 GB, free: 15.89 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006835/1.389, allocations: 2.67 MB / 1.242 GB, free: 13.21 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00748/1.396, allocations: 3.54 MB / 1.246 GB, free: 9.293 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01433/1.411, allocations: 6.395 MB / 1.252 GB, free: 2.5 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.231e-05/1.411, allocations: 8 kB / 1.252 GB, free: 2.492 MB / 0.9825 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 0.03302/1.444, allocations: 10.98 MB / 1.263 GB, free: 7.402 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 6.612e-05/1.444, allocations: 16 kB / 1.263 GB, free: 7.387 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.951e-05/1.444, allocations: 28.56 kB / 1.263 GB, free: 7.359 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0217/1.466, allocations: 5.458 MB / 1.268 GB, free: 1.887 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004898/1.471, allocations: 0.9866 MB / 1.269 GB, free: 0.8984 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05066/1.521, allocations: 28.15 MB / 1.296 GB, free: 4.289 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005458/1.527, allocations: 0.5535 MB / 1.297 GB, free: 3.734 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001136/1.528, allocations: 155.9 kB / 1.297 GB, free: 3.582 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01184/1.54, allocations: 3.96 MB / 1.301 GB, free: 15.61 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008715/1.549, allocations: 3.513 MB / 1.304 GB, free: 11.72 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09486/1.644, allocations: 24.55 MB / 1.328 GB, free: 2.648 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.112e-05/1.644, allocations: 8 kB / 1.328 GB, free: 2.641 MB / 1.061 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 0.02958/1.673, allocations: 10.49 MB / 1.339 GB, free: 8 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.054e-05/1.673, allocations: 20 kB / 1.339 GB, free: 7.98 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.663e-05/1.673, allocations: 27.94 kB / 1.339 GB, free: 7.953 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01662/1.69, allocations: 4.248 MB / 1.343 GB, free: 3.691 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005244/1.695, allocations: 1.03 MB / 1.344 GB, free: 2.66 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05254/1.748, allocations: 27.11 MB / 1.37 GB, free: 6.816 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007702/1.756, allocations: 0.5342 MB / 1.371 GB, free: 6.281 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001129/1.757, allocations: 148 kB / 1.371 GB, free: 6.137 MB / 1.107 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 0.001447/1.758, allocations: 406.4 kB / 1.371 GB, free: 5.734 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001112/1.759, allocations: 201.6 kB / 1.372 GB, free: 5.535 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.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 0.04132/1.801, allocations: 10.16 MB / 1.382 GB, free: 11.3 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.093e-05/1.801, allocations: 31.94 kB / 1.382 GB, free: 11.27 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.429e-05/1.801, allocations: 12 kB / 1.382 GB, free: 11.25 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.791e-05/1.801, allocations: 19.94 kB / 1.382 GB, free: 11.23 MB / 1.123 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 0.04908/1.85, allocations: 16.25 MB / 1.397 GB, free: 10.72 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.217e-05/1.85, allocations: 8 kB / 1.397 GB, free: 10.71 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00396/1.854, allocations: 0.7376 MB / 1.398 GB, free: 9.977 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01937/1.873, allocations: 5.099 MB / 1.403 GB, free: 4.863 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008736/1.874, allocations: 71.95 kB / 1.403 GB, free: 4.793 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0433/1.918, allocations: 27.23 MB / 1.43 GB, free: 9.062 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.584e-05/1.918, allocations: 15.97 kB / 1.43 GB, free: 9.047 MB / 1.17 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 0.02826/1.946, allocations: 10.09 MB / 1.44 GB, free: 14.71 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001949/1.948, allocations: 0.721 MB / 1.44 GB, free: 13.96 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001244/1.949, allocations: 56 kB / 1.44 GB, free: 13.91 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004618/1.954, allocations: 0.503 MB / 1.441 GB, free: 13.41 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001162/1.955, allocations: 234.3 kB / 1.441 GB, free: 13.18 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005286/1.956, allocations: 91.95 kB / 1.441 GB, free: 13.09 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.002049/1.958, allocations: 0.9776 MB / 1.442 GB, free: 12.11 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.81e-07/1.958, allocations: 0 / 1.442 GB, free: 12.11 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.009234/1.967, allocations: 1.84 MB / 1.444 GB, free: 10.27 MB / 1.186 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 0.0006826/1.968, allocations: 190.8 kB / 1.444 GB, free: 10.07 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.03208/2, allocations: 12.4 MB / 1.456 GB, free: 13.56 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.214e-05/2, allocations: 0.9375 kB / 1.456 GB, free: 13.56 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01272/2.012, allocations: 4.425 MB / 1.461 GB, free: 9.09 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003541/2.016, allocations: 290.1 kB / 1.461 GB, free: 8.809 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03139/2.048, allocations: 9.496 MB / 1.47 GB, free: 15.2 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00491/2.052, allocations: 2.857 MB / 1.473 GB, free: 12.31 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.005599/2.058, allocations: 1.645 MB / 1.475 GB, free: 10.66 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001087/2.059, allocations: 171.3 kB / 1.475 GB, free: 10.49 MB / 1.217 GB Notification: Performance of SimCode: time 1.343e-06/2.059, allocations: 0 / 1.475 GB, free: 10.49 MB / 1.217 GB Notification: Performance of Templates: time 0.1266/2.186, allocations: 77.71 MB / 1.551 GB, free: 12.94 MB / 1.295 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)