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 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.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 0.001394/0.001394, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001781/0.001781, allocations: 191.1 kB / 16.25 MB, free: 6.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.374/1.374, allocations: 222.9 MB / 239.9 MB, free: 4.531 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.807/2.807, allocations: 482.4 MB / 0.7543 GB, free: 11.19 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001859/0.001858, allocations: 66.27 kB / 0.9233 GB, free: 29.47 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3142/0.3161, allocations: 162.2 MB / 1.082 GB, free: 13.59 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0225/0.3386, allocations: 18.16 MB / 1.1 GB, free: 11.36 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.01067/0.3494, allocations: 6.773 MB / 1.106 GB, free: 4.574 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001654/0.351, allocations: 43.88 kB / 1.106 GB, free: 4.531 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.004133/0.3552, allocations: 1.354 MB / 1.107 GB, free: 3.172 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.004178/0.3594, allocations: 1.327 MB / 1.109 GB, free: 1.84 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.003347/0.3627, allocations: 1.177 MB / 1.11 GB, free: 0.6641 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.00704/0.3698, allocations: 5.495 MB / 1.115 GB, free: 11.16 MB / 0.8731 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01215/0.382, allocations: 8.506 MB / 1.124 GB, free: 2.555 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004269/0.3863, allocations: 2.384 MB / 1.126 GB, free: 168 kB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004924/0.3912, allocations: 3.136 MB / 1.129 GB, free: 13.02 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001188/0.3924, allocations: 0.5195 MB / 1.129 GB, free: 12.5 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002684/0.3951, allocations: 1.272 MB / 1.131 GB, free: 11.23 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.002911/0.3981, allocations: 2.257 MB / 1.133 GB, free: 8.965 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.003213/0.4013, allocations: 2.19 MB / 1.135 GB, free: 6.766 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.009779/0.4111, allocations: 7.783 MB / 1.143 GB, free: 14.96 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 1.111e-05/0.4111, allocations: 0 / 1.143 GB, free: 14.96 MB / 0.9044 GB Notification: Performance of FrontEnd: time 2.194e-06/0.4112, allocations: 3.938 kB / 1.143 GB, free: 14.96 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0002274/0.4114, allocations: 0 / 1.143 GB, free: 14.96 MB / 0.9044 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 0.01003/0.4214, allocations: 3.823 MB / 1.146 GB, free: 11.07 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 5.043e-05/0.4215, allocations: 15.97 kB / 1.146 GB, free: 11.06 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01288/0.4344, allocations: 2.423 MB / 1.149 GB, free: 8.629 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004572/0.439, allocations: 2.155 MB / 1.151 GB, free: 6.43 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002293/0.4392, allocations: 275.5 kB / 1.151 GB, free: 6.16 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008456/0.4401, allocations: 351.9 kB / 1.152 GB, free: 5.816 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01472/0.4548, allocations: 7.155 MB / 1.158 GB, free: 14.56 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.702e-05/0.4549, allocations: 0 / 1.158 GB, free: 14.56 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004351/0.4554, allocations: 152 kB / 1.159 GB, free: 14.41 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005441/0.4559, allocations: 338 kB / 1.159 GB, free: 14.08 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.016/0.4719, allocations: 7.048 MB / 1.166 GB, free: 7.02 MB / 0.92 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 0.03422/0.5062, allocations: 26.74 MB / 1.192 GB, free: 10.1 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008297/0.5145, allocations: 4.991 MB / 1.197 GB, free: 4.797 MB / 0.9512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005962/0.5205, allocations: 2.6 MB / 1.199 GB, free: 2.188 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002593/0.5208, allocations: 131 kB / 1.199 GB, free: 2.043 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.845e-05/0.5208, allocations: 56.5 kB / 1.2 GB, free: 1.977 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=208): time 4.168e-06/0.5208, allocations: 4 kB / 1.2 GB, free: 1.973 MB / 0.9512 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1054/0.6263, allocations: 30.96 MB / 1.23 GB, free: 2.914 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000152/0.6265, allocations: 231.6 kB / 1.23 GB, free: 2.641 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002324/0.6288, allocations: 1.469 MB / 1.231 GB, free: 1.164 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0004953/0.6293, allocations: 73.7 kB / 1.232 GB, free: 1.086 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.001164/0.6305, allocations: 1.497 MB / 1.233 GB, free: 15.56 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001064/0.6315, allocations: 0.9204 MB / 1.234 GB, free: 14.63 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001203/0.6327, allocations: 0.6356 MB / 1.234 GB, free: 13.98 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0001316/0.6329, allocations: 309 kB / 1.235 GB, free: 13.68 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006281/0.6392, allocations: 2.686 MB / 1.237 GB, free: 10.98 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007205/0.6464, allocations: 3.567 MB / 1.241 GB, free: 7.039 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01321/0.6596, allocations: 6.399 MB / 1.247 GB, free: 248 kB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.521e-05/0.6597, allocations: 8 kB / 1.247 GB, free: 240 kB / 0.9981 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 0.5605/1.22, allocations: 11.02 MB / 1.258 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.964e-05/1.22, allocations: 14.62 kB / 1.258 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.393e-05/1.22, allocations: 31.08 kB / 1.258 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01992/1.24, allocations: 5.555 MB / 1.263 GB, free: 153 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004123/1.244, allocations: 0.9907 MB / 1.264 GB, free: 153 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03885/1.283, allocations: 28.19 MB / 1.292 GB, free: 138.5 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004405/1.288, allocations: 0.5702 MB / 1.292 GB, free: 138.3 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000446/1.288, allocations: 153.6 kB / 1.293 GB, free: 138.2 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007002/1.295, allocations: 3.986 MB / 1.296 GB, free: 136.1 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00539/1.301, allocations: 3.532 MB / 1.3 GB, free: 133.6 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07662/1.377, allocations: 24.66 MB / 1.324 GB, free: 115.1 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.506e-05/1.377, allocations: 8 kB / 1.324 GB, free: 115.1 MB / 0.9981 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 0.02066/1.398, allocations: 10.54 MB / 1.334 GB, free: 104.4 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.549e-05/1.398, allocations: 19.94 kB / 1.334 GB, free: 104.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.709e-05/1.398, allocations: 28 kB / 1.334 GB, free: 104.4 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.013/1.411, allocations: 4.342 MB / 1.339 GB, free: 100 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004014/1.415, allocations: 1.041 MB / 1.34 GB, free: 98.99 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02631/1.441, allocations: 27.12 MB / 1.366 GB, free: 71.16 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004017/1.445, allocations: 0.5553 MB / 1.367 GB, free: 70.61 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002919/1.446, allocations: 155.9 kB / 1.367 GB, free: 70.46 MB / 0.9981 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 0.0008673/1.447, allocations: 397 kB / 1.367 GB, free: 70.08 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004548/1.447, allocations: 205.5 kB / 1.367 GB, free: 69.88 MB / 0.9981 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 0.02242/1.47, allocations: 10.17 MB / 1.377 GB, free: 59.64 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.666e-05/1.47, allocations: 28 kB / 1.377 GB, free: 59.61 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.717e-05/1.47, allocations: 16 kB / 1.377 GB, free: 59.6 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.46e-05/1.47, allocations: 11.95 kB / 1.377 GB, free: 59.59 MB / 0.9981 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 0.02829/1.498, allocations: 16.31 MB / 1.393 GB, free: 43.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.978e-05/1.498, allocations: 4 kB / 1.393 GB, free: 43.09 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002975/1.501, allocations: 0.7374 MB / 1.394 GB, free: 42.36 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01593/1.517, allocations: 5.189 MB / 1.399 GB, free: 37.15 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003822/1.517, allocations: 79.89 kB / 1.399 GB, free: 37.07 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03024/1.548, allocations: 27.27 MB / 1.426 GB, free: 9.32 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.453e-06/1.548, allocations: 12.03 kB / 1.426 GB, free: 9.309 MB / 0.9981 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 0.02145/1.569, allocations: 10.1 MB / 1.436 GB, free: 14.96 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001657/1.571, allocations: 0.7132 MB / 1.436 GB, free: 14.23 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004135/1.571, allocations: 63.92 kB / 1.436 GB, free: 14.16 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003291/1.574, allocations: 0.507 MB / 1.437 GB, free: 13.66 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007386/1.575, allocations: 230.3 kB / 1.437 GB, free: 13.43 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002463/1.575, allocations: 91.95 kB / 1.437 GB, free: 13.34 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001548/1.577, allocations: 0.9972 MB / 1.438 GB, free: 12.34 MB / 1.014 GB Notification: Performance of sort global known variables: time 2.01e-07/1.577, allocations: 4 kB / 1.438 GB, free: 12.34 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.005674/1.583, allocations: 1.855 MB / 1.44 GB, free: 10.48 MB / 1.014 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 0.0004099/1.583, allocations: 177.4 kB / 1.44 GB, free: 10.31 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.03309/1.616, allocations: 14.39 MB / 1.454 GB, free: 11.84 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 8.146e-06/1.616, allocations: 0.9375 kB / 1.454 GB, free: 11.84 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.01063/1.627, allocations: 4.418 MB / 1.459 GB, free: 7.379 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002045/1.629, allocations: 289.7 kB / 1.459 GB, free: 7.102 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02396/1.653, allocations: 11.13 MB / 1.47 GB, free: 11.86 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003271/1.656, allocations: 2.846 MB / 1.472 GB, free: 8.977 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.005172/1.661, allocations: 1.657 MB / 1.474 GB, free: 7.316 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006488/1.662, allocations: 175.3 kB / 1.474 GB, free: 7.148 MB / 1.045 GB Notification: Performance of SimCode: time 9.72e-07/1.662, allocations: 8 kB / 1.474 GB, free: 7.141 MB / 1.045 GB Notification: Performance of Templates: time 0.1192/1.781, allocations: 78.39 MB / 1.551 GB, free: 8.945 MB / 1.123 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=400 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)