Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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.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_latest_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_latest_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 0.001661/0.001661, allocations: 115.6 kB / 16.37 MB, free: 6.004 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002339/0.002339, allocations: 192.1 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.446/1.446, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.526/2.526, allocations: 442.6 MB / 0.7165 GB, free: 14.64 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001451/0.001451, allocations: 62.31 kB / 0.8774 GB, free: 10.95 MB / 0.6544 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3287/0.3302, allocations: 153 MB / 1.027 GB, free: 2.02 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02164/0.3519, allocations: 18.28 MB / 1.045 GB, free: 15.67 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01145/0.3634, allocations: 6.816 MB / 1.051 GB, free: 8.832 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002001/0.3654, allocations: 55.88 kB / 1.051 GB, free: 8.777 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.004094/0.3695, allocations: 1.462 MB / 1.053 GB, free: 7.312 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.003832/0.3734, allocations: 1.404 MB / 1.054 GB, free: 5.902 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003816/0.3772, allocations: 1.297 MB / 1.055 GB, free: 4.605 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.006927/0.3841, allocations: 5.46 MB / 1.061 GB, free: 15.13 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0111/0.3953, allocations: 7.124 MB / 1.068 GB, free: 7.898 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00389/0.3992, allocations: 2.373 MB / 1.07 GB, free: 5.52 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004448/0.4037, allocations: 2.961 MB / 1.073 GB, free: 2.551 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.000881/0.4046, allocations: 0.5156 MB / 1.073 GB, free: 2.035 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002432/0.407, allocations: 1.268 MB / 1.075 GB, free: 0.7656 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.5165/0.9235, allocations: 2.237 MB / 1.077 GB, free: 25 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.002767/0.9263, allocations: 2.193 MB / 1.079 GB, free: 24.75 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.008865/0.9352, allocations: 7.776 MB / 1.087 GB, free: 24.15 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 6.532e-06/0.9352, allocations: 0 / 1.087 GB, free: 24.15 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.254e-06/0.9352, allocations: 3.938 kB / 1.087 GB, free: 24.15 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0002026/0.9354, allocations: 1.625 kB / 1.087 GB, free: 24.15 MB / 0.8419 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 0.009026/0.9445, allocations: 3.827 MB / 1.09 GB, free: 22.72 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 3.774e-05/0.9445, allocations: 9.312 kB / 1.09 GB, free: 22.72 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01235/0.9569, allocations: 2.343 MB / 1.093 GB, free: 22.54 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006694/0.9636, allocations: 2.188 MB / 1.095 GB, free: 22.09 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00023/0.9638, allocations: 273.9 kB / 1.095 GB, free: 22.08 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001241/0.9651, allocations: 346.5 kB / 1.095 GB, free: 22.08 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01627/0.9814, allocations: 7.131 MB / 1.102 GB, free: 20.8 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.508e-05/0.9815, allocations: 3.031 kB / 1.102 GB, free: 20.8 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004523/0.9819, allocations: 154.1 kB / 1.102 GB, free: 20.7 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004365/0.9824, allocations: 331.3 kB / 1.103 GB, free: 20.66 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01399/0.9964, allocations: 7.004 MB / 1.11 GB, free: 18.69 MB / 0.8419 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 0.02811/1.025, allocations: 26.47 MB / 1.135 GB, free: 13.84 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007588/1.032, allocations: 4.984 MB / 1.14 GB, free: 10.44 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005299/1.037, allocations: 2.601 MB / 1.143 GB, free: 9.152 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002583/1.038, allocations: 134.6 kB / 1.143 GB, free: 9.043 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.517e-05/1.038, allocations: 64.7 kB / 1.143 GB, free: 8.98 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 3.677e-06/1.038, allocations: 1.406 kB / 1.143 GB, free: 8.98 MB / 0.8575 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 0.1027/1.141, allocations: 30.96 MB / 1.173 GB, free: 4.797 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000139/1.141, allocations: 235.6 kB / 1.173 GB, free: 4.52 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002702/1.143, allocations: 1.446 MB / 1.175 GB, free: 3.066 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0008934/1.144, allocations: 69.7 kB / 1.175 GB, free: 2.992 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001222/1.146, allocations: 1.492 MB / 1.176 GB, free: 1.488 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001322/1.147, allocations: 0.9241 MB / 1.177 GB, free: 0.5703 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001178/1.148, allocations: 0.6279 MB / 1.178 GB, free: 15.93 MB / 0.8887 GB Notification: Performance of setup shared object (initialization): time 0.0001028/1.148, allocations: 301.1 kB / 1.178 GB, free: 15.64 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00543/1.154, allocations: 2.677 MB / 1.181 GB, free: 12.95 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006108/1.16, allocations: 3.546 MB / 1.184 GB, free: 9.043 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01209/1.172, allocations: 6.388 MB / 1.191 GB, free: 2.363 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.141e-05/1.172, allocations: 9.969 kB / 1.191 GB, free: 2.355 MB / 0.8887 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 0.02789/1.2, allocations: 10.99 MB / 1.201 GB, free: 7.488 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 7.48e-05/1.2, allocations: 18.81 kB / 1.201 GB, free: 7.473 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.805e-05/1.2, allocations: 28 kB / 1.201 GB, free: 7.445 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01946/1.219, allocations: 5.456 MB / 1.207 GB, free: 1.973 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004533/1.224, allocations: 0.9817 MB / 1.208 GB, free: 1.027 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04499/1.269, allocations: 28.16 MB / 1.235 GB, free: 4.496 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004919/1.274, allocations: 0.5574 MB / 1.236 GB, free: 3.938 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008915/1.275, allocations: 152 kB / 1.236 GB, free: 3.789 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009264/1.284, allocations: 3.961 MB / 1.24 GB, free: 15.82 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006635/1.291, allocations: 3.521 MB / 1.243 GB, free: 11.94 MB / 0.9512 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08828/1.379, allocations: 24.55 MB / 1.267 GB, free: 2.992 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.536e-05/1.379, allocations: 8 kB / 1.267 GB, free: 2.984 MB / 0.9669 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 0.02623/1.405, allocations: 10.5 MB / 1.277 GB, free: 8.57 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 4.929e-05/1.406, allocations: 20.06 kB / 1.277 GB, free: 8.551 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.606e-05/1.406, allocations: 28 kB / 1.277 GB, free: 8.523 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01482/1.42, allocations: 4.253 MB / 1.282 GB, free: 4.258 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004704/1.425, allocations: 1.03 MB / 1.283 GB, free: 3.266 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0337/1.459, allocations: 27.1 MB / 1.309 GB, free: 7.531 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004383/1.463, allocations: 0.538 MB / 1.31 GB, free: 6.992 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007391/1.464, allocations: 144 kB / 1.31 GB, free: 6.852 MB / 1.014 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 0.001369/1.465, allocations: 416.2 kB / 1.31 GB, free: 6.48 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009215/1.466, allocations: 197.7 kB / 1.31 GB, free: 6.285 MB / 1.014 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 0.0262/1.493, allocations: 10.17 MB / 1.32 GB, free: 12.12 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.239e-05/1.493, allocations: 28.75 kB / 1.32 GB, free: 12.09 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.791e-05/1.493, allocations: 15.94 kB / 1.32 GB, free: 12.08 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.62e-05/1.493, allocations: 11.95 kB / 1.32 GB, free: 12.07 MB / 1.029 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 0.03788/1.531, allocations: 16.25 MB / 1.336 GB, free: 11.75 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.501e-05/1.531, allocations: 12.06 kB / 1.336 GB, free: 11.74 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003359/1.534, allocations: 0.7342 MB / 1.337 GB, free: 11.02 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01826/1.552, allocations: 5.094 MB / 1.342 GB, free: 5.918 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007932/1.553, allocations: 76.52 kB / 1.342 GB, free: 5.844 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03982/1.593, allocations: 27.23 MB / 1.368 GB, free: 10.18 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.237e-05/1.593, allocations: 15.38 kB / 1.369 GB, free: 10.16 MB / 1.076 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 0.02478/1.618, allocations: 10.09 MB / 1.378 GB, free: 15.9 MB / 1.092 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002199/1.62, allocations: 0.7326 MB / 1.379 GB, free: 15.14 MB / 1.092 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00074/1.621, allocations: 51.94 kB / 1.379 GB, free: 15.09 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003589/1.624, allocations: 0.5067 MB / 1.38 GB, free: 14.59 MB / 1.092 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008177/1.625, allocations: 218.2 kB / 1.38 GB, free: 14.38 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003354/1.626, allocations: 99.88 kB / 1.38 GB, free: 14.29 MB / 1.092 GB Notification: Performance of sorting global known variables: time 0.001444/1.627, allocations: 0.9851 MB / 1.381 GB, free: 13.3 MB / 1.092 GB Notification: Performance of sort global known variables: time 2.5e-07/1.627, allocations: 0 / 1.381 GB, free: 13.3 MB / 1.092 GB Notification: Performance of remove unused functions: time 0.00636/1.633, allocations: 1.844 MB / 1.383 GB, free: 11.46 MB / 1.092 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 0.0004083/1.634, allocations: 180.3 kB / 1.383 GB, free: 11.29 MB / 1.092 GB Notification: Performance of simCode: created initialization part: time 0.02682/1.661, allocations: 12.4 MB / 1.395 GB, free: 14.78 MB / 1.107 GB Notification: Performance of simCode: created event and clocks part: time 1.35e-05/1.661, allocations: 4 kB / 1.395 GB, free: 14.78 MB / 1.107 GB Notification: Performance of simCode: created simulation system equations: time 0.01135/1.672, allocations: 4.423 MB / 1.399 GB, free: 10.31 MB / 1.107 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002805/1.675, allocations: 294.7 kB / 1.4 GB, free: 10.03 MB / 1.107 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02389/1.699, allocations: 9.493 MB / 1.409 GB, free: 428 kB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003158/1.702, allocations: 2.849 MB / 1.412 GB, free: 13.53 MB / 1.123 GB Notification: Performance of simCode: alias equations: time 0.004385/1.706, allocations: 1.645 MB / 1.413 GB, free: 11.88 MB / 1.123 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006501/1.707, allocations: 171.3 kB / 1.413 GB, free: 11.71 MB / 1.123 GB Notification: Performance of SimCode: time 1.072e-06/1.707, allocations: 4 kB / 1.413 GB, free: 11.71 MB / 1.123 GB Notification: Performance of Templates: time 0.111/1.818, allocations: 77.69 MB / 1.489 GB, free: 14.28 MB / 1.201 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)