Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007064/0.007064, allocations: 100.6 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001557/0.001557, allocations: 189.6 kB / 16.67 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.366/1.366, allocations: 222.9 MB / 240.4 MB, free: 15.08 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 2.194/2.194, allocations: 390.3 MB / 0.6648 GB, free: 0.6133 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001337/0.001337, allocations: 63.91 kB / 0.9505 GB, free: 8.035 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7895/0.7909, allocations: 140.4 MB / 1.088 GB, free: 5.27 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02185/0.8128, allocations: 18.19 MB / 1.105 GB, free: 9.16 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01326/0.8261, allocations: 6.8 MB / 1.112 GB, free: 4.527 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002592/0.8287, allocations: 60.69 kB / 1.112 GB, free: 4.516 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.004473/0.8332, allocations: 1.461 MB / 1.113 GB, free: 3.648 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.004644/0.8379, allocations: 1.448 MB / 1.115 GB, free: 2.836 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.003958/0.8419, allocations: 1.255 MB / 1.116 GB, free: 2.16 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.008078/0.85, allocations: 5.441 MB / 1.121 GB, free: 15.87 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01035/0.8604, allocations: 7.081 MB / 1.128 GB, free: 13.07 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004901/0.8653, allocations: 2.371 MB / 1.131 GB, free: 12 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005334/0.8707, allocations: 2.953 MB / 1.134 GB, free: 10.77 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.001331/0.872, allocations: 0.5114 MB / 1.134 GB, free: 10.77 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003151/0.8752, allocations: 1.248 MB / 1.135 GB, free: 10.51 MB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.003234/0.8784, allocations: 2.244 MB / 1.137 GB, free: 9.645 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.00422/0.8827, allocations: 2.173 MB / 1.14 GB, free: 8.238 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01206/0.8947, allocations: 7.732 MB / 1.147 GB, free: 5.383 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 7.424e-06/0.8948, allocations: 5.703 kB / 1.147 GB, free: 5.379 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.685e-06/0.8948, allocations: 0 / 1.147 GB, free: 5.379 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.000205/0.895, allocations: 3.938 kB / 1.147 GB, free: 5.375 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.009942/0.905, allocations: 3.874 MB / 1.151 GB, free: 2.746 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.813e-05/0.905, allocations: 13.55 kB / 1.151 GB, free: 2.742 MB / 0.8887 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009589/0.906, allocations: 0.5399 MB / 1.151 GB, free: 2.359 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01367/0.9197, allocations: 2.418 MB / 1.154 GB, free: 1.195 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006394/0.9261, allocations: 2.179 MB / 1.156 GB, free: 15.84 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002736/0.9264, allocations: 277.3 kB / 1.156 GB, free: 15.7 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001583/0.928, allocations: 345.2 kB / 1.157 GB, free: 15.59 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02108/0.9491, allocations: 7.13 MB / 1.163 GB, free: 11.52 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000156/0.9493, allocations: 1.281 kB / 1.163 GB, free: 11.52 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001313/0.9506, allocations: 152.1 kB / 1.164 GB, free: 11.41 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005986/0.9512, allocations: 331.2 kB / 1.164 GB, free: 11.31 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01809/0.9693, allocations: 7.036 MB / 1.171 GB, free: 7.758 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 0.04189/1.011, allocations: 26.46 MB / 1.197 GB, free: 12.04 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008881/1.02, allocations: 4.995 MB / 1.202 GB, free: 6.734 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00619/1.026, allocations: 2.612 MB / 1.204 GB, free: 4.105 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003081/1.027, allocations: 127 kB / 1.204 GB, free: 3.965 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.333e-05/1.027, allocations: 72.48 kB / 1.204 GB, free: 3.883 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 5.14e-06/1.027, allocations: 0 / 1.204 GB, free: 3.883 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 0.1082/1.135, allocations: 31.14 MB / 1.235 GB, free: 4.676 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001227/1.135, allocations: 239.6 kB / 1.235 GB, free: 4.395 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002694/1.138, allocations: 1.427 MB / 1.236 GB, free: 2.957 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0006041/1.138, allocations: 77.64 kB / 1.236 GB, free: 2.875 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001014/1.139, allocations: 1.534 MB / 1.238 GB, free: 1.324 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001313/1.141, allocations: 0.9683 MB / 1.239 GB, free: 356 kB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001846/1.143, allocations: 0.636 MB / 1.239 GB, free: 15.7 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 9.497e-05/1.143, allocations: 309.1 kB / 1.24 GB, free: 15.39 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006204/1.149, allocations: 2.694 MB / 1.242 GB, free: 12.69 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006702/1.156, allocations: 3.571 MB / 1.246 GB, free: 8.742 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01314/1.169, allocations: 6.395 MB / 1.252 GB, free: 1.949 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.074e-05/1.169, allocations: 8 kB / 1.252 GB, free: 1.941 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 0.02969/1.199, allocations: 11.05 MB / 1.263 GB, free: 6.793 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.675e-05/1.199, allocations: 17.41 kB / 1.263 GB, free: 6.777 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.202e-05/1.199, allocations: 28 kB / 1.263 GB, free: 6.75 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02073/1.22, allocations: 5.544 MB / 1.268 GB, free: 1.188 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005204/1.225, allocations: 0.9867 MB / 1.269 GB, free: 204 kB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04468/1.27, allocations: 28.2 MB / 1.297 GB, free: 3.547 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005532/1.275, allocations: 0.5695 MB / 1.297 GB, free: 2.977 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009365/1.276, allocations: 155.9 kB / 1.298 GB, free: 2.824 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009951/1.286, allocations: 3.987 MB / 1.301 GB, free: 14.83 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007183/1.293, allocations: 3.54 MB / 1.305 GB, free: 10.91 MB / 1.045 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09098/1.384, allocations: 24.63 MB / 1.329 GB, free: 1.77 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.718e-05/1.384, allocations: 8 kB / 1.329 GB, free: 1.762 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 0.02873/1.413, allocations: 10.55 MB / 1.339 GB, free: 7.062 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.504e-05/1.413, allocations: 20 kB / 1.339 GB, free: 7.043 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.155e-05/1.413, allocations: 24 kB / 1.339 GB, free: 7.02 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01561/1.429, allocations: 4.326 MB / 1.344 GB, free: 2.676 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005014/1.434, allocations: 1.037 MB / 1.345 GB, free: 1.637 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03786/1.472, allocations: 27.11 MB / 1.371 GB, free: 5.801 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005321/1.477, allocations: 0.5615 MB / 1.372 GB, free: 5.238 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009614/1.478, allocations: 155.9 kB / 1.372 GB, free: 5.086 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 0.001949/1.48, allocations: 403.7 kB / 1.372 GB, free: 4.688 MB / 1.107 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001188/1.481, allocations: 202.7 kB / 1.372 GB, free: 4.488 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 0.02842/1.51, allocations: 10.17 MB / 1.382 GB, free: 10.24 MB / 1.123 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.621e-05/1.51, allocations: 32 kB / 1.382 GB, free: 10.21 MB / 1.123 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.03e-05/1.51, allocations: 12 kB / 1.382 GB, free: 10.2 MB / 1.123 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.146e-05/1.51, allocations: 15.94 kB / 1.382 GB, free: 10.18 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 0.04025/1.55, allocations: 16.26 MB / 1.398 GB, free: 9.676 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.87e-05/1.55, allocations: 8.969 kB / 1.398 GB, free: 9.668 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003774/1.554, allocations: 0.7371 MB / 1.399 GB, free: 8.93 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01872/1.573, allocations: 5.173 MB / 1.404 GB, free: 3.742 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007261/1.574, allocations: 79.89 kB / 1.404 GB, free: 3.664 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04161/1.615, allocations: 27.26 MB / 1.431 GB, free: 7.902 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.447e-05/1.615, allocations: 16.03 kB / 1.431 GB, free: 7.887 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 0.02778/1.643, allocations: 10.11 MB / 1.441 GB, free: 13.52 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002563/1.646, allocations: 0.726 MB / 1.441 GB, free: 12.78 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001056/1.647, allocations: 59.98 kB / 1.441 GB, free: 12.72 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004179/1.651, allocations: 0.5031 MB / 1.442 GB, free: 12.21 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009964/1.652, allocations: 230.3 kB / 1.442 GB, free: 11.99 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004556/1.652, allocations: 96.52 kB / 1.442 GB, free: 11.9 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.001955/1.654, allocations: 0.9723 MB / 1.443 GB, free: 10.92 MB / 1.186 GB Notification: Performance of sort global known variables: time 5.11e-07/1.654, allocations: 0 / 1.443 GB, free: 10.92 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.009126/1.664, allocations: 1.844 MB / 1.445 GB, free: 9.078 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)} 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 Backend phase and start with SimCode phase: time 0.02626/1.69, allocations: 10.77 MB / 1.455 GB, free: 14.05 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.03059/1.72, allocations: 12.48 MB / 1.468 GB, free: 1.465 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.764e-05/1.721, allocations: 0 / 1.468 GB, free: 1.465 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.01108/1.732, allocations: 4.434 MB / 1.472 GB, free: 12.98 MB / 1.217 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003222/1.735, allocations: 267.6 kB / 1.472 GB, free: 12.72 MB / 1.217 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 simCode: created linear, non-linear and system jacobian parts: time 0.1021/1.837, allocations: 41.73 MB / 1.513 GB, free: 1.691 MB / 1.248 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004556/1.842, allocations: 2.836 MB / 1.516 GB, free: 14.82 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.004928/1.847, allocations: 1.656 MB / 1.517 GB, free: 13.16 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002067/1.849, allocations: 1.206 MB / 1.518 GB, free: 11.96 MB / 1.264 GB Notification: Performance of SimCode: time 9.72e-07/1.849, allocations: 0 / 1.518 GB, free: 11.96 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7439/2.592, allocations: 102.5 MB / 1.619 GB, free: 428.2 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.78/18.37, allocations: 5.359 kB / 1.619 GB, free: 428.2 MB / 1.311 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)