Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 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.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_11_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_11_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 0.001445/0.001445, allocations: 106.9 kB / 15.99 MB, free: 6.355 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001389/0.001389, allocations: 193 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 1.322/1.322, allocations: 222.9 MB / 240.6 MB, free: 13.72 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 2.549/2.549, allocations: 469.8 MB / 0.7427 GB, free: 3.691 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001858/0.001858, allocations: 64.92 kB / 0.9088 GB, free: 14.22 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3188/0.3206, allocations: 159.2 MB / 1.064 GB, free: 15.09 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.4731/0.7938, allocations: 18.14 MB / 1.082 GB, free: 12.82 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.009786/0.8036, allocations: 6.786 MB / 1.089 GB, free: 11.77 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00149/0.8051, allocations: 45.25 kB / 1.089 GB, free: 11.77 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003206/0.8084, allocations: 1.358 MB / 1.09 GB, free: 10.99 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003553/0.8119, allocations: 1.322 MB / 1.091 GB, free: 10.27 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003158/0.8151, allocations: 1.169 MB / 1.092 GB, free: 9.605 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.006838/0.8219, allocations: 5.489 MB / 1.098 GB, free: 7.281 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01281/0.8348, allocations: 8.517 MB / 1.106 GB, free: 3.711 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0047/0.8395, allocations: 2.388 MB / 1.108 GB, free: 2.613 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005348/0.8449, allocations: 3.135 MB / 1.111 GB, free: 1.371 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.002007/0.8469, allocations: 0.5152 MB / 1.112 GB, free: 1.371 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004381/0.8513, allocations: 1.27 MB / 1.113 GB, free: 1.094 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.004588/0.8559, allocations: 2.255 MB / 1.115 GB, free: 240 kB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.005998/0.8619, allocations: 2.19 MB / 1.117 GB, free: 14.82 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01009/0.872, allocations: 6.654 MB / 1.124 GB, free: 13.14 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 6.692e-06/0.8721, allocations: 0.7031 kB / 1.124 GB, free: 13.14 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.633e-06/0.8721, allocations: 5 kB / 1.124 GB, free: 13.13 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.0002231/0.8723, allocations: 0 / 1.124 GB, free: 13.13 MB / 0.8575 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 0.01172/0.884, allocations: 3.823 MB / 1.128 GB, free: 11.02 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.023e-05/0.8841, allocations: 9.844 kB / 1.128 GB, free: 11.02 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01284/0.8969, allocations: 2.418 MB / 1.13 GB, free: 10.6 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005394/0.9024, allocations: 2.162 MB / 1.132 GB, free: 9.25 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002505/0.9026, allocations: 268 kB / 1.132 GB, free: 9.129 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001135/0.9038, allocations: 354.7 kB / 1.133 GB, free: 9.008 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01652/0.9203, allocations: 7.153 MB / 1.14 GB, free: 4.934 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.96e-05/0.9204, allocations: 15.11 kB / 1.14 GB, free: 4.922 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004932/0.9209, allocations: 151.2 kB / 1.14 GB, free: 4.805 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004796/0.9214, allocations: 332.8 kB / 1.14 GB, free: 4.711 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01676/0.9382, allocations: 7.05 MB / 1.147 GB, free: 1.152 MB / 0.8575 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 0.03648/0.9747, allocations: 26.73 MB / 1.173 GB, free: 7.941 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008979/0.9837, allocations: 4.992 MB / 1.178 GB, free: 2.641 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006149/0.9899, allocations: 2.604 MB / 1.181 GB, free: 24 kB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002895/0.9902, allocations: 131 kB / 1.181 GB, free: 15.88 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.482e-05/0.9903, allocations: 60.56 kB / 1.181 GB, free: 15.81 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=208): time 3.757e-06/0.9903, allocations: 0 / 1.181 GB, free: 15.81 MB / 0.9044 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 0.1038/1.094, allocations: 30.95 MB / 1.211 GB, free: 0.7656 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001536/1.094, allocations: 247.6 kB / 1.211 GB, free: 488 kB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00235/1.097, allocations: 1.469 MB / 1.213 GB, free: 15 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 0.0005875/1.097, allocations: 69.7 kB / 1.213 GB, free: 14.93 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.001076/1.098, allocations: 1.497 MB / 1.214 GB, free: 13.41 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.001131/1.099, allocations: 0.9242 MB / 1.215 GB, free: 12.47 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00122/1.101, allocations: 0.6358 MB / 1.216 GB, free: 11.82 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001188/1.101, allocations: 305.1 kB / 1.216 GB, free: 11.52 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005877/1.107, allocations: 2.694 MB / 1.219 GB, free: 8.82 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006642/1.113, allocations: 3.567 MB / 1.222 GB, free: 4.879 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01283/1.126, allocations: 6.402 MB / 1.228 GB, free: 14.07 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.571e-05/1.126, allocations: 8 kB / 1.228 GB, free: 14.07 MB / 0.9512 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 0.02855/1.155, allocations: 11.02 MB / 1.239 GB, free: 2.934 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 4.073e-05/1.155, allocations: 16 kB / 1.239 GB, free: 2.918 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.604e-05/1.155, allocations: 24 kB / 1.239 GB, free: 2.895 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02034/1.175, allocations: 5.552 MB / 1.245 GB, free: 13.32 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00456/1.18, allocations: 0.9983 MB / 1.246 GB, free: 12.32 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04501/1.225, allocations: 28.2 MB / 1.273 GB, free: 15.67 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004773/1.23, allocations: 0.577 MB / 1.274 GB, free: 15.09 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006524/1.23, allocations: 151.9 kB / 1.274 GB, free: 14.94 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008746/1.239, allocations: 3.982 MB / 1.278 GB, free: 10.95 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00695/1.246, allocations: 3.528 MB / 1.281 GB, free: 7.043 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08902/1.335, allocations: 24.66 MB / 1.305 GB, free: 13.87 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.351e-05/1.335, allocations: 11.94 kB / 1.305 GB, free: 13.86 MB / 1.029 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 0.02752/1.363, allocations: 10.53 MB / 1.316 GB, free: 3.188 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 3.48e-05/1.363, allocations: 16 kB / 1.316 GB, free: 3.172 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.452e-05/1.363, allocations: 31.94 kB / 1.316 GB, free: 3.141 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01578/1.379, allocations: 4.337 MB / 1.32 GB, free: 14.79 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004855/1.384, allocations: 1.033 MB / 1.321 GB, free: 13.75 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03715/1.421, allocations: 27.14 MB / 1.347 GB, free: 1.879 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004622/1.425, allocations: 0.5575 MB / 1.348 GB, free: 1.32 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005763/1.426, allocations: 152 kB / 1.348 GB, free: 1.172 MB / 1.061 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 0.001023/1.427, allocations: 399.4 kB / 1.348 GB, free: 0.7773 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006625/1.428, allocations: 201.6 kB / 1.349 GB, free: 0.5781 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.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 0.02693/1.455, allocations: 10.17 MB / 1.359 GB, free: 6.328 MB / 1.076 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.193e-05/1.455, allocations: 35.94 kB / 1.359 GB, free: 6.293 MB / 1.076 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.335e-05/1.455, allocations: 12 kB / 1.359 GB, free: 6.281 MB / 1.076 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.342e-05/1.455, allocations: 11.95 kB / 1.359 GB, free: 6.27 MB / 1.076 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 0.03715/1.492, allocations: 16.3 MB / 1.375 GB, free: 5.73 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.524e-05/1.492, allocations: 8 kB / 1.375 GB, free: 5.723 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00352/1.496, allocations: 0.734 MB / 1.375 GB, free: 4.988 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01862/1.514, allocations: 5.197 MB / 1.38 GB, free: 15.77 MB / 1.107 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006671/1.515, allocations: 71.95 kB / 1.38 GB, free: 15.7 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04426/1.559, allocations: 27.26 MB / 1.407 GB, free: 3.938 MB / 1.123 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.376e-05/1.559, allocations: 15.97 kB / 1.407 GB, free: 3.922 MB / 1.123 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 0.02669/1.586, allocations: 10.1 MB / 1.417 GB, free: 9.57 MB / 1.139 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002059/1.588, allocations: 0.7171 MB / 1.418 GB, free: 8.832 MB / 1.139 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000556/1.589, allocations: 63.92 kB / 1.418 GB, free: 8.77 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003676/1.592, allocations: 0.5031 MB / 1.418 GB, free: 8.266 MB / 1.139 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009261/1.593, allocations: 226.3 kB / 1.418 GB, free: 8.043 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002624/1.593, allocations: 91.95 kB / 1.418 GB, free: 7.953 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.001911/1.595, allocations: 1.005 MB / 1.419 GB, free: 6.945 MB / 1.139 GB Notification: Performance of sort global known variables: time 3.3e-07/1.595, allocations: 3.938 kB / 1.419 GB, free: 6.941 MB / 1.139 GB Notification: Performance of remove unused functions: time 0.006772/1.602, allocations: 1.855 MB / 1.421 GB, free: 5.086 MB / 1.139 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 0.0004755/1.603, allocations: 190.8 kB / 1.421 GB, free: 4.891 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.035/1.638, allocations: 14.37 MB / 1.436 GB, free: 6.41 MB / 1.154 GB Notification: Performance of simCode: created event and clocks part: time 1.084e-05/1.638, allocations: 0 / 1.436 GB, free: 6.41 MB / 1.154 GB Notification: Performance of simCode: created simulation system equations: time 0.01117/1.649, allocations: 4.419 MB / 1.44 GB, free: 1.938 MB / 1.154 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002234/1.651, allocations: 290.8 kB / 1.44 GB, free: 1.664 MB / 1.154 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02574/1.677, allocations: 11.72 MB / 1.452 GB, free: 5.82 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004186/1.681, allocations: 2.912 MB / 1.454 GB, free: 2.875 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001347/1.682, allocations: 219.3 kB / 1.455 GB, free: 2.66 MB / 1.17 GB Notification: Performance of SimCode: time 1.312e-06/1.683, allocations: 4 kB / 1.455 GB, free: 2.656 MB / 1.17 GB Notification: Performance of Templates: time 0.5526/2.235, allocations: 107.8 MB / 1.56 GB, free: 417.7 MB / 1.264 GB make -j1 -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)