Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.001095/0.001095, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001112/0.001112, allocations: 197 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.408/1.408, allocations: 222.9 MB / 240.2 MB, free: 4.387 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 2.341/2.341, allocations: 390.3 MB / 0.6647 GB, free: 444 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001526/0.001526, allocations: 67.91 kB / 0.8127 GB, free: 14.34 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6313/0.6328, allocations: 140.4 MB / 0.9498 GB, free: 9.109 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01863/0.6515, allocations: 18.17 MB / 0.9675 GB, free: 11.27 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01341/0.6649, allocations: 6.802 MB / 0.9741 GB, free: 5.902 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002324/0.6673, allocations: 60.72 kB / 0.9742 GB, free: 5.891 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.004498/0.6719, allocations: 1.463 MB / 0.9756 GB, free: 4.742 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.004064/0.676, allocations: 1.425 MB / 0.977 GB, free: 3.605 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003484/0.6795, allocations: 1.264 MB / 0.9783 GB, free: 2.609 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.006233/0.6857, allocations: 5.448 MB / 0.9836 GB, free: 15.12 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009131/0.6949, allocations: 7.184 MB / 0.9906 GB, free: 7.836 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00421/0.6991, allocations: 2.349 MB / 0.9929 GB, free: 5.48 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004474/0.7036, allocations: 2.945 MB / 0.9958 GB, free: 2.527 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.001578/0.7052, allocations: 0.5117 MB / 0.9963 GB, free: 2.016 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003375/0.7086, allocations: 1.272 MB / 0.9975 GB, free: 0.7422 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.003604/0.7122, allocations: 2.234 MB / 0.9997 GB, free: 14.5 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.004265/0.7165, allocations: 2.167 MB / 1.002 GB, free: 12.33 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.008919/0.7255, allocations: 7.698 MB / 1.009 GB, free: 4.609 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 4.519e-06/0.7255, allocations: 4 kB / 1.009 GB, free: 4.605 MB / 0.7637 GB Notification: Performance of FrontEnd: time 1.473e-06/0.7255, allocations: 0 / 1.009 GB, free: 4.605 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002153/0.7257, allocations: 0 / 1.009 GB, free: 4.605 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 0.01102/0.7367, allocations: 3.791 MB / 1.013 GB, free: 0.7539 MB / 0.7637 GB Notification: Performance of prepare preOptimizeDAE: time 5.043e-05/0.7368, allocations: 8.031 kB / 1.013 GB, free: 0.7461 MB / 0.7637 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001303/0.7381, allocations: 0.5423 MB / 1.014 GB, free: 200 kB / 0.7637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01338/0.7515, allocations: 2.407 MB / 1.016 GB, free: 13.78 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004954/0.7565, allocations: 2.155 MB / 1.018 GB, free: 11.58 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001847/0.7567, allocations: 263.2 kB / 1.018 GB, free: 11.32 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007957/0.7575, allocations: 344 kB / 1.019 GB, free: 10.98 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01409/0.7716, allocations: 7.134 MB / 1.026 GB, free: 3.75 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.624e-05/0.7717, allocations: 7.938 kB / 1.026 GB, free: 3.742 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004238/0.7721, allocations: 148 kB / 1.026 GB, free: 3.598 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004423/0.7726, allocations: 326 kB / 1.026 GB, free: 3.277 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01624/0.7888, allocations: 7.031 MB / 1.033 GB, free: 12.23 MB / 0.795 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03311/0.822, allocations: 26.62 MB / 1.059 GB, free: 15.44 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009458/0.8315, allocations: 5 MB / 1.064 GB, free: 10.13 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.009744/0.8413, allocations: 2.6 MB / 1.066 GB, free: 7.52 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003763/0.8417, allocations: 135 kB / 1.066 GB, free: 7.371 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.168e-05/0.8418, allocations: 64.5 kB / 1.066 GB, free: 7.297 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 6.603e-06/0.8418, allocations: 0 / 1.066 GB, free: 7.297 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.conv2.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.conv2.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 0.1169/0.9587, allocations: 30.89 MB / 1.097 GB, free: 8.316 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001363/0.9588, allocations: 231.6 kB / 1.097 GB, free: 8.043 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002383/0.9612, allocations: 1.427 MB / 1.098 GB, free: 6.605 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0004725/0.9617, allocations: 65.7 kB / 1.098 GB, free: 6.535 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009309/0.9627, allocations: 1.485 MB / 1.1 GB, free: 5.027 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.00118/0.9639, allocations: 0.9243 MB / 1.101 GB, free: 4.09 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001682/0.9655, allocations: 0.6318 MB / 1.101 GB, free: 3.449 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 9.37e-05/0.9656, allocations: 301.1 kB / 1.102 GB, free: 3.152 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006388/0.972, allocations: 2.694 MB / 1.104 GB, free: 460 kB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00688/0.9789, allocations: 3.575 MB / 1.108 GB, free: 12.5 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01328/0.9922, allocations: 6.406 MB / 1.114 GB, free: 5.691 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.859e-05/0.9923, allocations: 8 kB / 1.114 GB, free: 5.684 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.conv2.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.conv2.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 0.04465/1.037, allocations: 10.99 MB / 1.125 GB, free: 10.59 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.066e-05/1.037, allocations: 16 kB / 1.125 GB, free: 10.57 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.656e-05/1.037, allocations: 24 kB / 1.125 GB, free: 10.55 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02062/1.058, allocations: 5.583 MB / 1.13 GB, free: 4.949 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004494/1.062, allocations: 1.002 MB / 1.131 GB, free: 3.945 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04512/1.107, allocations: 28.17 MB / 1.159 GB, free: 7.309 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005047/1.113, allocations: 0.5731 MB / 1.159 GB, free: 6.734 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008518/1.113, allocations: 155.9 kB / 1.159 GB, free: 6.582 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008965/1.122, allocations: 3.98 MB / 1.163 GB, free: 2.594 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007008/1.129, allocations: 3.536 MB / 1.167 GB, free: 14.68 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09153/1.221, allocations: 24.67 MB / 1.191 GB, free: 5.496 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.009e-05/1.221, allocations: 8 kB / 1.191 GB, free: 5.488 MB / 0.9512 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.02736/1.248, allocations: 10.54 MB / 1.201 GB, free: 10.8 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.648e-05/1.248, allocations: 16 kB / 1.201 GB, free: 10.79 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.664e-05/1.249, allocations: 28.03 kB / 1.201 GB, free: 10.76 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01593/1.264, allocations: 4.337 MB / 1.205 GB, free: 6.402 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004792/1.269, allocations: 1.045 MB / 1.206 GB, free: 5.355 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03621/1.306, allocations: 27.15 MB / 1.233 GB, free: 9.473 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004923/1.311, allocations: 0.5575 MB / 1.233 GB, free: 8.914 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006237/1.311, allocations: 144 kB / 1.234 GB, free: 8.773 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.001212/1.312, allocations: 406.1 kB / 1.234 GB, free: 8.375 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007705/1.313, allocations: 197.7 kB / 1.234 GB, free: 8.18 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02787/1.341, allocations: 10.16 MB / 1.244 GB, free: 13.94 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.812e-05/1.341, allocations: 24 kB / 1.244 GB, free: 13.91 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.873e-05/1.341, allocations: 16 kB / 1.244 GB, free: 13.9 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.084e-05/1.341, allocations: 15.95 kB / 1.244 GB, free: 13.88 MB / 1.014 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.4737/1.815, allocations: 16.34 MB / 1.26 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.22e-05/1.815, allocations: 9.672 kB / 1.26 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003603/1.819, allocations: 0.7414 MB / 1.261 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.019/1.838, allocations: 5.196 MB / 1.266 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004952/1.838, allocations: 75.09 kB / 1.266 GB, free: 275.7 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03571/1.874, allocations: 27.24 MB / 1.293 GB, free: 263.7 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.766e-06/1.874, allocations: 12.88 kB / 1.293 GB, free: 263.7 MB / 1.014 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02278/1.897, allocations: 10.12 MB / 1.303 GB, free: 258.6 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001397/1.898, allocations: 0.7227 MB / 1.303 GB, free: 258.2 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004005/1.899, allocations: 55.22 kB / 1.303 GB, free: 258.1 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003403/1.902, allocations: 0.5094 MB / 1.304 GB, free: 257.9 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007569/1.903, allocations: 224.4 kB / 1.304 GB, free: 257.8 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002048/1.903, allocations: 94.83 kB / 1.304 GB, free: 257.7 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001214/1.904, allocations: 0.974 MB / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of sort global known variables: time 3.01e-07/1.904, allocations: 0 / 1.305 GB, free: 257.2 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.00499/1.909, 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 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_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 0.02254/1.932, allocations: 10.79 MB / 1.317 GB, free: 249.2 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.02783/1.96, allocations: 14.4 MB / 1.331 GB, free: 234.8 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 2.141e-05/1.96, allocations: 8.062 kB / 1.331 GB, free: 234.8 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.01006/1.97, allocations: 4.39 MB / 1.336 GB, free: 230.3 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002341/1.972, allocations: 269.7 kB / 1.336 GB, free: 230.1 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.conv2.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.conv2.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 0.08254/2.055, allocations: 43.81 MB / 1.379 GB, free: 184.4 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00228/2.057, allocations: 2.833 MB / 1.382 GB, free: 181.5 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.004496/2.061, allocations: 1.655 MB / 1.383 GB, free: 179.8 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001343/2.063, allocations: 1.206 MB / 1.384 GB, free: 178.6 MB / 1.014 GB Notification: Performance of SimCode: time 8.72e-07/2.063, allocations: 0 / 1.384 GB, free: 178.6 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1294/2.192, allocations: 101.2 MB / 1.483 GB, free: 77.82 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 13/15.2, allocations: 7.203 kB / 1.483 GB, free: 77.82 MB / 1.014 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)