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 0.00175/0.00175, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002225/0.002225, allocations: 193.7 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 222.9 MB / 240.2 MB, free: 4.402 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.391/2.391, allocations: 390.2 MB / 0.6647 GB, free: 264 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001573/0.001573, allocations: 63.91 kB / 0.8127 GB, free: 14.14 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7189/0.7205, allocations: 140.4 MB / 0.9498 GB, free: 9.094 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01947/0.74, allocations: 18.18 MB / 0.9675 GB, free: 11.25 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01252/0.7526, allocations: 6.799 MB / 0.9741 GB, free: 5.891 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0018/0.7544, allocations: 55.44 kB / 0.9742 GB, free: 5.883 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.004023/0.7585, allocations: 1.466 MB / 0.9756 GB, free: 4.73 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.003767/0.7623, allocations: 1.416 MB / 0.977 GB, free: 3.602 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003238/0.7655, allocations: 1.269 MB / 0.9783 GB, free: 2.602 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.005995/0.7715, allocations: 5.438 MB / 0.9836 GB, free: 15.1 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008657/0.7802, allocations: 7.188 MB / 0.9906 GB, free: 7.805 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003599/0.7838, allocations: 2.353 MB / 0.9929 GB, free: 5.445 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004327/0.7882, allocations: 2.949 MB / 0.9958 GB, free: 2.488 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.001314/0.7895, allocations: 0.5117 MB / 0.9963 GB, free: 1.977 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003106/0.7926, allocations: 1.256 MB / 0.9975 GB, free: 0.7188 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.002886/0.7955, allocations: 2.238 MB / 0.9997 GB, free: 14.48 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.00427/0.7998, allocations: 2.167 MB / 1.002 GB, free: 12.3 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.01215/0.812, allocations: 7.682 MB / 1.009 GB, free: 4.598 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 9.297e-06/0.8121, allocations: 0 / 1.009 GB, free: 4.598 MB / 0.7637 GB Notification: Performance of FrontEnd: time 2.995e-06/0.8121, allocations: 0 / 1.009 GB, free: 4.598 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0003027/0.8124, allocations: 4 kB / 1.009 GB, free: 4.594 MB / 0.7637 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 0.01872/0.8311, allocations: 3.791 MB / 1.013 GB, free: 0.7422 MB / 0.7637 GB Notification: Performance of prepare preOptimizeDAE: time 6.113e-05/0.8312, allocations: 12.03 kB / 1.013 GB, free: 0.7305 MB / 0.7637 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001995/0.8332, allocations: 0.5345 MB / 1.014 GB, free: 192 kB / 0.7637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02528/0.8585, allocations: 2.403 MB / 1.016 GB, free: 13.77 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008162/0.8667, allocations: 2.155 MB / 1.018 GB, free: 11.57 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003957/0.8672, allocations: 271.2 kB / 1.018 GB, free: 11.31 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001648/0.8688, allocations: 344 kB / 1.019 GB, free: 10.97 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01644/0.8853, allocations: 7.126 MB / 1.026 GB, free: 3.746 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001134/0.8854, allocations: 3.938 kB / 1.026 GB, free: 3.742 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001001/0.8864, allocations: 148 kB / 1.026 GB, free: 3.598 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005051/0.8869, allocations: 342 kB / 1.026 GB, free: 3.262 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01668/0.9036, allocations: 7.028 MB / 1.033 GB, free: 12.21 MB / 0.795 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 0.03221/0.9359, allocations: 26.61 MB / 1.059 GB, free: 15.44 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008298/0.9442, allocations: 4.984 MB / 1.064 GB, free: 10.14 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005968/0.9502, allocations: 2.612 MB / 1.066 GB, free: 7.52 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002444/0.9504, allocations: 127 kB / 1.066 GB, free: 7.379 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.149e-05/0.9505, allocations: 68.48 kB / 1.066 GB, free: 7.301 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 4.338e-06/0.9505, allocations: 0 / 1.066 GB, free: 7.301 MB / 0.8262 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 0.1064/1.057, allocations: 30.9 MB / 1.097 GB, free: 8.312 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001058/1.057, allocations: 239.6 kB / 1.097 GB, free: 8.031 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001993/1.059, allocations: 1.423 MB / 1.098 GB, free: 6.598 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.000286/1.059, allocations: 69.7 kB / 1.098 GB, free: 6.523 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009273/1.06, allocations: 1.489 MB / 1.1 GB, free: 5.012 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.000875/1.061, allocations: 0.9126 MB / 1.101 GB, free: 4.086 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001244/1.062, allocations: 0.6357 MB / 1.101 GB, free: 3.441 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 9.569e-05/1.063, allocations: 305.1 kB / 1.102 GB, free: 3.141 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005937/1.068, allocations: 2.686 MB / 1.104 GB, free: 456 kB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006483/1.075, allocations: 3.575 MB / 1.108 GB, free: 12.49 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01236/1.087, allocations: 6.402 MB / 1.114 GB, free: 5.688 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.224e-05/1.087, allocations: 8 kB / 1.114 GB, free: 5.68 MB / 0.8731 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 0.02821/1.116, allocations: 11.03 MB / 1.125 GB, free: 10.54 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 3.7e-05/1.116, allocations: 19.94 kB / 1.125 GB, free: 10.52 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.903e-05/1.116, allocations: 31.98 kB / 1.125 GB, free: 10.49 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02049/1.136, allocations: 5.563 MB / 1.13 GB, free: 4.914 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004402/1.141, allocations: 0.9905 MB / 1.131 GB, free: 3.922 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04274/1.183, allocations: 28.18 MB / 1.159 GB, free: 7.277 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004654/1.188, allocations: 0.5769 MB / 1.159 GB, free: 6.699 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005908/1.189, allocations: 155.9 kB / 1.159 GB, free: 6.547 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00819/1.197, allocations: 3.98 MB / 1.163 GB, free: 2.559 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006772/1.204, allocations: 3.536 MB / 1.167 GB, free: 14.65 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09035/1.294, allocations: 24.68 MB / 1.191 GB, free: 5.457 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.588e-05/1.294, allocations: 8 kB / 1.191 GB, free: 5.449 MB / 0.9512 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 0.02707/1.321, allocations: 10.52 MB / 1.201 GB, free: 10.78 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.743e-05/1.321, allocations: 16 kB / 1.201 GB, free: 10.77 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.13e-05/1.321, allocations: 28.75 kB / 1.201 GB, free: 10.74 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01558/1.337, allocations: 4.348 MB / 1.205 GB, free: 6.371 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004707/1.342, allocations: 1.041 MB / 1.206 GB, free: 5.328 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03508/1.377, allocations: 27.11 MB / 1.233 GB, free: 9.488 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004696/1.381, allocations: 0.5576 MB / 1.233 GB, free: 8.93 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006177/1.382, allocations: 151.9 kB / 1.234 GB, free: 8.781 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 0.001105/1.383, allocations: 398.4 kB / 1.234 GB, free: 8.387 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000732/1.384, allocations: 197.7 kB / 1.234 GB, free: 8.191 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 0.02786/1.412, allocations: 10.16 MB / 1.244 GB, free: 13.95 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.531e-05/1.412, allocations: 31.98 kB / 1.244 GB, free: 13.92 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.382e-05/1.412, allocations: 12 kB / 1.244 GB, free: 13.91 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.059e-05/1.412, allocations: 15.95 kB / 1.244 GB, free: 13.89 MB / 1.014 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 0.5004/1.912, allocations: 16.29 MB / 1.26 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.916e-05/1.912, allocations: 7.312 kB / 1.26 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003652/1.916, allocations: 0.737 MB / 1.261 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01948/1.936, allocations: 5.203 MB / 1.266 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006206/1.936, allocations: 74.73 kB / 1.266 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03893/1.975, allocations: 27.26 MB / 1.293 GB, free: 263.6 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.088e-05/1.975, allocations: 13.34 kB / 1.293 GB, free: 263.6 MB / 1.014 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 0.02317/1.998, allocations: 10.09 MB / 1.302 GB, free: 258.6 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001492/2, allocations: 0.7156 MB / 1.303 GB, free: 258.2 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003869/2, allocations: 54.59 kB / 1.303 GB, free: 258.1 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003325/2.004, allocations: 0.5169 MB / 1.304 GB, free: 257.9 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007442/2.004, allocations: 223.9 kB / 1.304 GB, free: 257.8 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002028/2.005, allocations: 87.64 kB / 1.304 GB, free: 257.7 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001191/2.006, allocations: 0.9747 MB / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.5e-07/2.006, allocations: 0 / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.005245/2.011, allocations: 1.845 MB / 1.307 GB, free: 257 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)} 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 0.02253/2.034, allocations: 10.75 MB / 1.317 GB, free: 249.4 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.02816/2.062, allocations: 14.4 MB / 1.331 GB, free: 234.9 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 9.397e-06/2.062, allocations: 7.844 kB / 1.331 GB, free: 234.9 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.009226/2.071, allocations: 4.422 MB / 1.336 GB, free: 230.4 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00188/2.073, allocations: 268.5 kB / 1.336 GB, free: 230.2 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 simCode: created linear, non-linear and system jacobian parts: time 0.07963/2.153, allocations: 43.28 MB / 1.378 GB, free: 185 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00231/2.155, allocations: 2.831 MB / 1.381 GB, free: 182.1 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.004512/2.159, allocations: 1.656 MB / 1.383 GB, free: 180.5 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001325/2.161, allocations: 1.208 MB / 1.384 GB, free: 179.3 MB / 1.014 GB Notification: Performance of SimCode: time 7.11e-07/2.161, allocations: 0 / 1.384 GB, free: 179.3 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1182/2.279, allocations: 101.2 MB / 1.482 GB, free: 78.54 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.21/15.49, allocations: 23.05 kB / 1.483 GB, free: 78.51 MB / 1.014 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)