Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/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.BalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001658/0.001658, allocations: 110.7 kB / 15.99 MB, free: 6.367 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00175/0.00175, allocations: 189.2 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 1.507/1.507, allocations: 222.9 MB / 240.6 MB, free: 13.71 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.839/2.839, allocations: 482.4 MB / 0.755 GB, free: 7.199 MB / 0.6231 GB Notification: Performance of FrontEnd - loaded program: time 0.001945/0.001945, allocations: 72.16 kB / 0.924 GB, free: 316 kB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9715/0.9734, allocations: 162.2 MB / 1.082 GB, free: 1.648 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02616/0.9996, allocations: 18.06 MB / 1.1 GB, free: 5.621 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01538/1.015, allocations: 6.757 MB / 1.107 GB, free: 1.023 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002891/1.018, allocations: 47.94 kB / 1.107 GB, free: 1.012 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.005185/1.023, allocations: 1.352 MB / 1.108 GB, free: 240 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.00758/1.031, allocations: 1.318 MB / 1.109 GB, free: 15.51 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.005263/1.036, allocations: 1.153 MB / 1.11 GB, free: 14.86 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.01041/1.047, allocations: 5.471 MB / 1.116 GB, free: 12.54 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01904/1.066, allocations: 8.477 MB / 1.124 GB, free: 8.969 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006428/1.072, allocations: 2.362 MB / 1.126 GB, free: 7.891 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007632/1.08, allocations: 3.13 MB / 1.129 GB, free: 6.652 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.003823/1.084, allocations: 0.5116 MB / 1.13 GB, free: 6.652 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00643/1.09, allocations: 1.256 MB / 1.131 GB, free: 6.379 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.006521/1.097, allocations: 2.234 MB / 1.133 GB, free: 5.129 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.00885/1.106, allocations: 2.178 MB / 1.135 GB, free: 3.582 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01275/1.119, allocations: 6.614 MB / 1.142 GB, free: 14.82 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 9.127e-06/1.119, allocations: 5.281 kB / 1.142 GB, free: 14.82 MB / 0.8731 GB Notification: Performance of FrontEnd: time 3.116e-06/1.119, allocations: 0 / 1.142 GB, free: 14.82 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0003453/1.119, allocations: 0 / 1.142 GB, free: 14.82 MB / 0.8731 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 0.01888/1.138, allocations: 3.784 MB / 1.146 GB, free: 12.29 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 7.624e-05/1.138, allocations: 9.688 kB / 1.146 GB, free: 12.29 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01612/1.154, allocations: 2.404 MB / 1.148 GB, free: 11.13 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007945/1.162, allocations: 2.156 MB / 1.15 GB, free: 9.602 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003737/1.163, allocations: 267.4 kB / 1.15 GB, free: 9.34 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002487/1.165, allocations: 355.8 kB / 1.151 GB, free: 8.992 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.023/1.188, allocations: 7.13 MB / 1.158 GB, free: 1.758 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000101/1.188, allocations: 7.984 kB / 1.158 GB, free: 1.75 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008206/1.189, allocations: 144 kB / 1.158 GB, free: 1.609 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005627/1.19, allocations: 334 kB / 1.158 GB, free: 1.281 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0198/1.209, allocations: 7.032 MB / 1.165 GB, free: 10.23 MB / 0.8887 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 0.04329/1.253, allocations: 26.61 MB / 1.191 GB, free: 13.45 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009404/1.262, allocations: 4.988 MB / 1.196 GB, free: 8.156 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006479/1.269, allocations: 2.6 MB / 1.198 GB, free: 5.543 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000334/1.269, allocations: 131 kB / 1.199 GB, free: 5.398 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.684e-05/1.269, allocations: 68.42 kB / 1.199 GB, free: 5.32 MB / 0.92 GB Notification: Performance of pre-optimization done (n=208): time 4.228e-06/1.269, allocations: 4 kB / 1.199 GB, free: 5.316 MB / 0.92 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 0.1137/1.383, allocations: 30.9 MB / 1.229 GB, free: 6.324 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000175/1.383, allocations: 235.6 kB / 1.229 GB, free: 6.047 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002502/1.386, allocations: 1.427 MB / 1.23 GB, free: 4.609 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 0.0006196/1.386, allocations: 69.7 kB / 1.23 GB, free: 4.535 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.001221/1.387, allocations: 1.493 MB / 1.232 GB, free: 3.02 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 0.001353/1.389, allocations: 0.9165 MB / 1.233 GB, free: 2.09 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001318/1.39, allocations: 0.6318 MB / 1.233 GB, free: 1.449 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 0.0001679/1.39, allocations: 305.1 kB / 1.234 GB, free: 1.148 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01027/1.401, allocations: 2.69 MB / 1.236 GB, free: 14.45 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01158/1.412, allocations: 3.571 MB / 1.24 GB, free: 10.5 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0221/1.434, allocations: 6.395 MB / 1.246 GB, free: 3.711 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.26e-05/1.435, allocations: 8 kB / 1.246 GB, free: 3.703 MB / 0.9669 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 0.03588/1.47, allocations: 11.04 MB / 1.257 GB, free: 8.559 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 5.378e-05/1.47, allocations: 16 kB / 1.257 GB, free: 8.543 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.755e-05/1.471, allocations: 28 kB / 1.257 GB, free: 8.516 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02216/1.493, allocations: 5.564 MB / 1.262 GB, free: 2.934 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004574/1.497, allocations: 0.9945 MB / 1.263 GB, free: 1.938 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04552/1.543, allocations: 28.19 MB / 1.291 GB, free: 5.301 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00495/1.548, allocations: 0.5769 MB / 1.291 GB, free: 4.723 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006547/1.549, allocations: 155.9 kB / 1.292 GB, free: 4.57 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009236/1.558, allocations: 3.98 MB / 1.295 GB, free: 0.582 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00745/1.565, allocations: 3.536 MB / 1.299 GB, free: 12.67 MB / 1.029 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09519/1.66, allocations: 24.68 MB / 1.323 GB, free: 3.477 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.787e-05/1.661, allocations: 8 kB / 1.323 GB, free: 3.469 MB / 1.045 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 0.02774/1.688, allocations: 10.53 MB / 1.333 GB, free: 8.789 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 4.337e-05/1.688, allocations: 16 kB / 1.333 GB, free: 8.773 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.732e-05/1.688, allocations: 28 kB / 1.333 GB, free: 8.746 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01633/1.705, allocations: 4.342 MB / 1.338 GB, free: 4.391 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00501/1.71, allocations: 1.037 MB / 1.339 GB, free: 3.352 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03945/1.749, allocations: 27.12 MB / 1.365 GB, free: 7.508 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005226/1.755, allocations: 0.5537 MB / 1.366 GB, free: 6.953 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006657/1.755, allocations: 151.9 kB / 1.366 GB, free: 6.805 MB / 1.092 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 0.001053/1.756, allocations: 395.8 kB / 1.366 GB, free: 6.41 MB / 1.092 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000682/1.757, allocations: 202 kB / 1.366 GB, free: 6.211 MB / 1.092 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 0.0298/1.787, allocations: 10.16 MB / 1.376 GB, free: 11.97 MB / 1.107 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.64e-05/1.787, allocations: 32 kB / 1.376 GB, free: 11.94 MB / 1.107 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.474e-05/1.787, allocations: 15.94 kB / 1.376 GB, free: 11.93 MB / 1.107 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.519e-05/1.787, allocations: 19.94 kB / 1.376 GB, free: 11.91 MB / 1.107 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 0.04046/1.827, allocations: 16.3 MB / 1.392 GB, free: 11.36 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.991e-05/1.828, allocations: 8 kB / 1.392 GB, free: 11.36 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003938/1.832, allocations: 0.7336 MB / 1.393 GB, free: 10.62 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02027/1.852, allocations: 5.196 MB / 1.398 GB, free: 5.406 MB / 1.123 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006619/1.852, allocations: 71.95 kB / 1.398 GB, free: 5.336 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04756/1.9, allocations: 27.27 MB / 1.425 GB, free: 9.566 MB / 1.154 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.253e-05/1.9, allocations: 12.03 kB / 1.425 GB, free: 9.555 MB / 1.154 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 0.02971/1.93, allocations: 10.1 MB / 1.435 GB, free: 15.21 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002453/1.932, allocations: 0.7249 MB / 1.435 GB, free: 14.47 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006005/1.933, allocations: 56 kB / 1.435 GB, free: 14.41 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003929/1.937, allocations: 0.5031 MB / 1.436 GB, free: 13.91 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008634/1.938, allocations: 230.3 kB / 1.436 GB, free: 13.68 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002716/1.938, allocations: 95.95 kB / 1.436 GB, free: 13.59 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.001747/1.94, allocations: 0.9723 MB / 1.437 GB, free: 12.61 MB / 1.17 GB Notification: Performance of sort global known variables: time 1.3e-07/1.94, allocations: 0 / 1.437 GB, free: 12.61 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.007635/1.947, allocations: 1.844 MB / 1.439 GB, free: 10.77 MB / 1.17 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 0.0005682/1.948, allocations: 173.8 kB / 1.439 GB, free: 10.59 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.03713/1.985, allocations: 14.4 MB / 1.453 GB, free: 12.08 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 1.377e-05/1.985, allocations: 0 / 1.453 GB, free: 12.08 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.01205/1.997, allocations: 4.414 MB / 1.457 GB, free: 7.617 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002519/2, allocations: 273.1 kB / 1.458 GB, free: 7.355 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02603/2.026, allocations: 11.15 MB / 1.469 GB, free: 12.09 MB / 1.201 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004142/2.03, allocations: 2.903 MB / 1.471 GB, free: 9.152 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001303/2.031, allocations: 211.2 kB / 1.472 GB, free: 8.945 MB / 1.201 GB Notification: Performance of SimCode: time 9.11e-07/2.031, allocations: 0 / 1.472 GB, free: 8.945 MB / 1.201 GB Notification: Performance of Templates: time 0.6965/2.728, allocations: 107 MB / 1.576 GB, free: 406.5 MB / 1.264 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)