Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008329/0.008329, allocations: 101.3 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001783/0.001783, allocations: 190.4 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 222.9 MB / 240.4 MB, free: 15.14 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 2.218/2.218, allocations: 390.2 MB / 0.6648 GB, free: 0.6055 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001443/0.001443, allocations: 63.91 kB / 0.951 GB, free: 7.516 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9091/0.9105, allocations: 140.4 MB / 1.088 GB, free: 5.508 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02372/0.9343, allocations: 18.27 MB / 1.106 GB, free: 9.34 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01273/0.9471, allocations: 6.821 MB / 1.113 GB, free: 4.691 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002432/0.9495, allocations: 57.16 kB / 1.113 GB, free: 4.684 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004536/0.9541, allocations: 1.468 MB / 1.114 GB, free: 3.809 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.005481/0.9596, allocations: 1.457 MB / 1.115 GB, free: 2.988 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.004467/0.9641, allocations: 1.266 MB / 1.117 GB, free: 2.305 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.009175/0.9733, allocations: 5.46 MB / 1.122 GB, free: 4 kB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01076/0.9841, allocations: 7.126 MB / 1.129 GB, free: 13.19 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00629/0.9904, allocations: 2.385 MB / 1.131 GB, free: 12.11 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006489/0.9969, allocations: 2.968 MB / 1.134 GB, free: 10.87 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.002014/0.999, allocations: 0.5147 MB / 1.135 GB, free: 10.87 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004037/1.003, allocations: 1.267 MB / 1.136 GB, free: 10.6 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.004571/1.008, allocations: 2.243 MB / 1.138 GB, free: 9.738 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.006381/1.014, allocations: 2.192 MB / 1.14 GB, free: 8.32 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01443/1.028, allocations: 7.797 MB / 1.148 GB, free: 5.297 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 6.883e-06/1.029, allocations: 5.094 kB / 1.148 GB, free: 5.293 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.462e-06/1.029, allocations: 4 kB / 1.148 GB, free: 5.289 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.000235/1.029, allocations: 0 / 1.148 GB, free: 5.289 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01342/1.042, allocations: 3.904 MB / 1.152 GB, free: 2.641 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.635e-05/1.042, allocations: 14.31 kB / 1.152 GB, free: 2.637 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01485/1.057, allocations: 2.436 MB / 1.154 GB, free: 1.461 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007478/1.065, allocations: 2.193 MB / 1.156 GB, free: 92 kB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003085/1.065, allocations: 267.7 kB / 1.156 GB, free: 15.96 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002077/1.067, allocations: 355.1 kB / 1.157 GB, free: 15.85 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0209/1.088, allocations: 7.161 MB / 1.164 GB, free: 11.77 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.6e-05/1.088, allocations: 6.844 kB / 1.164 GB, free: 11.76 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000733/1.089, allocations: 143.7 kB / 1.164 GB, free: 11.65 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005627/1.089, allocations: 340.5 kB / 1.164 GB, free: 11.55 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02119/1.111, allocations: 7.048 MB / 1.171 GB, free: 7.992 MB / 0.9044 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04619/1.157, allocations: 26.59 MB / 1.197 GB, free: 11.92 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009087/1.166, allocations: 4.988 MB / 1.202 GB, free: 6.621 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006464/1.172, allocations: 2.623 MB / 1.205 GB, free: 3.98 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002881/1.173, allocations: 127 kB / 1.205 GB, free: 3.84 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.593e-05/1.173, allocations: 60.48 kB / 1.205 GB, free: 3.77 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 4.388e-06/1.173, allocations: 0 / 1.205 GB, free: 3.77 MB / 0.9356 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1091/1.282, allocations: 31.2 MB / 1.235 GB, free: 4.5 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002312/1.282, allocations: 235.6 kB / 1.235 GB, free: 4.223 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002506/1.285, allocations: 1.477 MB / 1.237 GB, free: 2.738 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.000659/1.285, allocations: 69.7 kB / 1.237 GB, free: 2.664 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001261/1.287, allocations: 1.55 MB / 1.238 GB, free: 1.098 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001459/1.288, allocations: 0.9722 MB / 1.239 GB, free: 120 kB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001304/1.29, allocations: 0.6282 MB / 1.24 GB, free: 15.48 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001065/1.29, allocations: 309.1 kB / 1.24 GB, free: 15.18 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006465/1.296, allocations: 2.694 MB / 1.243 GB, free: 12.47 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007572/1.304, allocations: 3.563 MB / 1.246 GB, free: 8.531 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01416/1.318, allocations: 6.399 MB / 1.253 GB, free: 1.734 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.781e-05/1.318, allocations: 8 kB / 1.253 GB, free: 1.727 MB / 0.9825 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03267/1.351, allocations: 11.03 MB / 1.263 GB, free: 6.59 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.398e-05/1.351, allocations: 16 kB / 1.263 GB, free: 6.574 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.411e-05/1.351, allocations: 36.5 kB / 1.264 GB, free: 6.539 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02146/1.372, allocations: 5.536 MB / 1.269 GB, free: 0.9844 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005071/1.377, allocations: 0.9984 MB / 1.27 GB, free: 15.98 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04965/1.427, allocations: 28.2 MB / 1.297 GB, free: 3.328 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005321/1.432, allocations: 0.5733 MB / 1.298 GB, free: 2.754 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008597/1.433, allocations: 155.9 kB / 1.298 GB, free: 2.602 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009607/1.443, allocations: 3.984 MB / 1.302 GB, free: 14.61 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00704/1.45, allocations: 3.532 MB / 1.305 GB, free: 10.7 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09211/1.542, allocations: 24.61 MB / 1.33 GB, free: 1.578 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.161e-05/1.542, allocations: 8 kB / 1.33 GB, free: 1.57 MB / 1.061 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02889/1.571, allocations: 10.54 MB / 1.34 GB, free: 6.883 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.403e-05/1.571, allocations: 20 kB / 1.34 GB, free: 6.863 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.913e-05/1.571, allocations: 27.94 kB / 1.34 GB, free: 6.836 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0158/1.587, allocations: 4.33 MB / 1.344 GB, free: 2.488 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004897/1.592, allocations: 1.037 MB / 1.345 GB, free: 1.449 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03911/1.631, allocations: 27.14 MB / 1.372 GB, free: 5.582 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005669/1.637, allocations: 0.5538 MB / 1.372 GB, free: 5.027 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009732/1.638, allocations: 155.9 kB / 1.372 GB, free: 4.875 MB / 1.107 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.001795/1.64, allocations: 406.5 kB / 1.373 GB, free: 4.473 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001117/1.641, allocations: 210.7 kB / 1.373 GB, free: 4.266 MB / 1.107 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02846/1.669, allocations: 10.17 MB / 1.383 GB, free: 10.02 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.301e-05/1.669, allocations: 31.94 kB / 1.383 GB, free: 9.984 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.49e-05/1.669, allocations: 12 kB / 1.383 GB, free: 9.973 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.85e-05/1.669, allocations: 11.95 kB / 1.383 GB, free: 9.961 MB / 1.123 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04225/1.712, allocations: 16.28 MB / 1.399 GB, free: 9.438 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.156e-05/1.712, allocations: 8 kB / 1.399 GB, free: 9.43 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003744/1.716, allocations: 0.7372 MB / 1.4 GB, free: 8.691 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0194/1.735, allocations: 5.166 MB / 1.405 GB, free: 3.512 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006448/1.736, allocations: 75.95 kB / 1.405 GB, free: 3.438 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04304/1.779, allocations: 27.28 MB / 1.431 GB, free: 7.656 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.072e-05/1.779, allocations: 15.94 kB / 1.431 GB, free: 7.641 MB / 1.17 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0288/1.808, allocations: 10.1 MB / 1.441 GB, free: 13.28 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002483/1.81, allocations: 0.7416 MB / 1.442 GB, free: 12.52 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009168/1.811, allocations: 59.98 kB / 1.442 GB, free: 12.46 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004147/1.815, allocations: 0.507 MB / 1.442 GB, free: 11.95 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009442/1.816, allocations: 226.3 kB / 1.443 GB, free: 11.73 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003854/1.817, allocations: 91.95 kB / 1.443 GB, free: 11.64 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.002201/1.819, allocations: 1.005 MB / 1.444 GB, free: 10.64 MB / 1.186 GB Notification: Performance of sort global known variables: time 1.1e-07/1.819, allocations: 0 / 1.444 GB, free: 10.64 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.009561/1.828, allocations: 1.852 MB / 1.446 GB, free: 8.785 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 0.0006408/1.829, allocations: 182.8 kB / 1.446 GB, free: 8.598 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.03116/1.86, allocations: 12.47 MB / 1.458 GB, free: 12.02 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.131e-05/1.86, allocations: 3.938 kB / 1.458 GB, free: 12.02 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01152/1.872, allocations: 4.434 MB / 1.462 GB, free: 7.535 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003278/1.875, allocations: 285.8 kB / 1.462 GB, free: 7.258 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02487/1.9, allocations: 9.595 MB / 1.472 GB, free: 13.54 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003216/1.903, allocations: 2.849 MB / 1.475 GB, free: 10.66 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.00446/1.908, allocations: 1.657 MB / 1.476 GB, free: 8.996 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006904/1.908, allocations: 171.3 kB / 1.476 GB, free: 8.828 MB / 1.217 GB Notification: Performance of SimCode: time 1.182e-06/1.908, allocations: 3.938 kB / 1.476 GB, free: 8.824 MB / 1.217 GB Notification: Performance of Templates: time 0.1203/2.029, allocations: 79.29 MB / 1.554 GB, free: 9.688 MB / 1.295 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)