Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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.BalancedStepUp.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.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008992/0.008992, allocations: 100.1 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002182/0.002182, allocations: 193.6 kB / 16.67 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.547/1.547, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.263/2.263, allocations: 390.2 MB / 0.6648 GB, free: 0.6406 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001231/0.001231, allocations: 67.91 kB / 0.9509 GB, free: 7.52 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9695/0.9708, allocations: 140.4 MB / 1.088 GB, free: 5.484 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02213/0.993, allocations: 18.18 MB / 1.106 GB, free: 9.387 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01386/1.007, allocations: 6.806 MB / 1.112 GB, free: 4.75 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002639/1.01, allocations: 55.47 kB / 1.112 GB, free: 4.742 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004466/1.014, allocations: 1.462 MB / 1.114 GB, free: 3.871 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004697/1.019, allocations: 1.447 MB / 1.115 GB, free: 3.059 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.00384/1.023, allocations: 1.259 MB / 1.117 GB, free: 2.383 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.007901/1.031, allocations: 5.443 MB / 1.122 GB, free: 92 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009621/1.04, allocations: 7.078 MB / 1.129 GB, free: 13.3 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00646/1.047, allocations: 2.373 MB / 1.131 GB, free: 12.23 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007561/1.054, allocations: 2.953 MB / 1.134 GB, free: 11 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001909/1.056, allocations: 0.5111 MB / 1.134 GB, free: 11 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004587/1.061, allocations: 1.265 MB / 1.136 GB, free: 10.72 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.004282/1.065, allocations: 2.241 MB / 1.138 GB, free: 9.863 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.006253/1.071, allocations: 2.17 MB / 1.14 GB, free: 8.461 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01517/1.087, allocations: 7.737 MB / 1.148 GB, free: 5.504 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 7.915e-06/1.087, allocations: 0 / 1.148 GB, free: 5.504 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.154e-06/1.087, allocations: 7.938 kB / 1.148 GB, free: 5.496 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0003133/1.087, allocations: 1.219 kB / 1.148 GB, free: 5.496 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01566/1.103, allocations: 3.788 MB / 1.151 GB, free: 2.957 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.224e-05/1.103, allocations: 8.844 kB / 1.151 GB, free: 2.957 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01414/1.117, allocations: 2.408 MB / 1.154 GB, free: 1.805 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007039/1.124, allocations: 2.179 MB / 1.156 GB, free: 456 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002982/1.124, allocations: 265.3 kB / 1.156 GB, free: 332 kB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001853/1.126, allocations: 348 kB / 1.156 GB, free: 212 kB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02334/1.149, allocations: 7.126 MB / 1.163 GB, free: 12.14 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002466/1.15, allocations: 2.281 kB / 1.163 GB, free: 12.14 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001935/1.152, allocations: 147.4 kB / 1.163 GB, free: 12.03 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008047/1.153, allocations: 340.3 kB / 1.164 GB, free: 11.93 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02212/1.175, allocations: 7.032 MB / 1.171 GB, free: 8.379 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05149/1.226, allocations: 26.41 MB / 1.196 GB, free: 12.64 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01022/1.237, allocations: 4.986 MB / 1.201 GB, free: 7.34 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006692/1.243, allocations: 2.612 MB / 1.204 GB, free: 4.711 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003651/1.244, allocations: 131 kB / 1.204 GB, free: 4.566 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.112e-05/1.244, allocations: 68.48 kB / 1.204 GB, free: 4.488 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.058e-06/1.244, allocations: 0 / 1.204 GB, free: 4.488 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.138/1.382, allocations: 30.91 MB / 1.234 GB, free: 5.484 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000225/1.382, allocations: 243.6 kB / 1.234 GB, free: 5.199 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005819/1.388, allocations: 1.427 MB / 1.236 GB, free: 3.762 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.001268/1.389, allocations: 73.7 kB / 1.236 GB, free: 3.684 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.002794/1.392, allocations: 1.482 MB / 1.237 GB, free: 2.18 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.002738/1.395, allocations: 0.9242 MB / 1.238 GB, free: 1.242 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.004131/1.399, allocations: 0.628 MB / 1.239 GB, free: 0.6055 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0002623/1.399, allocations: 305.1 kB / 1.239 GB, free: 312 kB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01369/1.413, allocations: 2.698 MB / 1.242 GB, free: 13.6 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01443/1.428, allocations: 3.567 MB / 1.245 GB, free: 9.652 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01936/1.447, allocations: 6.399 MB / 1.252 GB, free: 2.855 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.448e-05/1.447, allocations: 8 kB / 1.252 GB, free: 2.848 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03438/1.481, allocations: 11 MB / 1.262 GB, free: 7.746 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.792e-05/1.482, allocations: 21.25 kB / 1.262 GB, free: 7.727 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.582e-05/1.482, allocations: 24 kB / 1.262 GB, free: 7.703 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02105/1.503, allocations: 5.564 MB / 1.268 GB, free: 2.121 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005029/1.508, allocations: 0.9984 MB / 1.269 GB, free: 1.121 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04615/1.554, allocations: 28.17 MB / 1.296 GB, free: 4.488 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005592/1.56, allocations: 0.5693 MB / 1.297 GB, free: 3.918 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007005/1.56, allocations: 151.9 kB / 1.297 GB, free: 3.77 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009596/1.57, allocations: 3.984 MB / 1.301 GB, free: 15.78 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007433/1.577, allocations: 3.536 MB / 1.304 GB, free: 11.87 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09159/1.669, allocations: 24.64 MB / 1.328 GB, free: 2.715 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.773e-05/1.669, allocations: 8 kB / 1.328 GB, free: 2.707 MB / 1.061 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02732/1.696, allocations: 10.54 MB / 1.339 GB, free: 8.023 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 3.209e-05/1.696, allocations: 17.72 kB / 1.339 GB, free: 8.008 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.093e-05/1.696, allocations: 28 kB / 1.339 GB, free: 7.98 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01548/1.712, allocations: 4.323 MB / 1.343 GB, free: 3.641 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004999/1.717, allocations: 1.041 MB / 1.344 GB, free: 2.598 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03751/1.755, allocations: 27.14 MB / 1.37 GB, free: 6.723 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005673/1.76, allocations: 0.5575 MB / 1.371 GB, free: 6.164 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006399/1.761, allocations: 148 kB / 1.371 GB, free: 6.02 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001164/1.762, allocations: 400.2 kB / 1.372 GB, free: 5.621 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006978/1.763, allocations: 197.7 kB / 1.372 GB, free: 5.426 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.027/1.79, allocations: 10.18 MB / 1.382 GB, free: 11.17 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.416e-05/1.79, allocations: 28 kB / 1.382 GB, free: 11.14 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.497e-05/1.79, allocations: 12 kB / 1.382 GB, free: 11.13 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.439e-05/1.79, allocations: 15.95 kB / 1.382 GB, free: 11.11 MB / 1.123 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03806/1.828, allocations: 16.3 MB / 1.398 GB, free: 10.56 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.957e-05/1.828, allocations: 11.94 kB / 1.398 GB, free: 10.55 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003692/1.832, allocations: 0.7376 MB / 1.398 GB, free: 9.812 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01898/1.851, allocations: 5.177 MB / 1.403 GB, free: 4.625 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008248/1.852, allocations: 75.95 kB / 1.403 GB, free: 4.551 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04353/1.895, allocations: 27.21 MB / 1.43 GB, free: 8.836 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.154e-05/1.895, allocations: 8 kB / 1.43 GB, free: 8.828 MB / 1.17 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02737/1.923, allocations: 10.14 MB / 1.44 GB, free: 14.44 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002253/1.925, allocations: 0.7172 MB / 1.441 GB, free: 13.7 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005758/1.926, allocations: 56 kB / 1.441 GB, free: 13.65 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003753/1.929, allocations: 0.5031 MB / 1.441 GB, free: 13.14 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008197/1.93, allocations: 230.3 kB / 1.441 GB, free: 12.92 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002482/1.93, allocations: 95.95 kB / 1.442 GB, free: 12.83 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.001605/1.932, allocations: 0.9723 MB / 1.442 GB, free: 11.85 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.9e-07/1.932, allocations: 0 / 1.442 GB, free: 11.85 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.007405/1.939, allocations: 1.84 MB / 1.444 GB, free: 10.01 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 0.0005208/1.94, allocations: 186.9 kB / 1.444 GB, free: 9.82 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.03197/1.972, allocations: 12.46 MB / 1.457 GB, free: 13.25 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.435e-05/1.972, allocations: 0.9375 kB / 1.457 GB, free: 13.25 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01222/1.984, allocations: 4.395 MB / 1.461 GB, free: 8.805 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003055/1.987, allocations: 279.6 kB / 1.461 GB, free: 8.539 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02639/2.014, allocations: 9.434 MB / 1.47 GB, free: 15 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003763/2.018, allocations: 2.837 MB / 1.473 GB, free: 12.12 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.00482/2.022, allocations: 1.653 MB / 1.475 GB, free: 10.47 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000725/2.023, allocations: 167.3 kB / 1.475 GB, free: 10.3 MB / 1.217 GB Notification: Performance of SimCode: time 7.21e-07/2.023, allocations: 0 / 1.475 GB, free: 10.3 MB / 1.217 GB Notification: Performance of Templates: time 0.125/2.148, allocations: 78.8 MB / 1.552 GB, free: 11.66 MB / 1.295 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)