Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001216/0.001216, allocations: 107.7 kB / 17.02 MB, free: 5.699 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00131/0.00131, allocations: 196.1 kB / 17.97 MB, free: 5.078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.344/1.344, allocations: 222.9 MB / 241.7 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7551/0.7551, allocations: 115.1 MB / 406.9 MB, free: 6.32 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001353/0.001353, allocations: 59.89 kB / 494.8 MB, free: 15.81 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3273/0.3286, allocations: 76.14 MB / 0.5576 GB, free: 36.74 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01942/0.3481, allocations: 18.23 MB / 0.5754 GB, free: 24.62 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01118/0.3593, allocations: 6.862 MB / 0.5821 GB, free: 19.98 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002121/0.3615, allocations: 61.38 kB / 0.5822 GB, free: 19.96 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004112/0.3656, allocations: 1.468 MB / 0.5836 GB, free: 19.1 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003936/0.3696, allocations: 1.42 MB / 0.585 GB, free: 18.31 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003637/0.3733, allocations: 1.284 MB / 0.5862 GB, free: 17.62 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.006387/0.3797, allocations: 5.468 MB / 0.5916 GB, free: 14.92 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008445/0.3881, allocations: 7.132 MB / 0.5985 GB, free: 10.52 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003298/0.3915, allocations: 2.361 MB / 0.6008 GB, free: 8.152 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003656/0.3951, allocations: 2.972 MB / 0.6037 GB, free: 5.172 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001271/0.3964, allocations: 0.5195 MB / 0.6043 GB, free: 4.652 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002956/0.3994, allocations: 1.272 MB / 0.6055 GB, free: 3.379 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002445/0.4019, allocations: 2.246 MB / 0.6077 GB, free: 1.129 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0041/0.406, allocations: 2.187 MB / 0.6098 GB, free: 14.93 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008871/0.4149, allocations: 7.783 MB / 0.6174 GB, free: 7.125 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.358e-06/0.4149, allocations: 0 / 0.6174 GB, free: 7.125 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.834e-06/0.4149, allocations: 0 / 0.6174 GB, free: 7.125 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0002161/0.4151, allocations: 0 / 0.6174 GB, free: 7.125 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.00937/0.4245, allocations: 3.827 MB / 0.6212 GB, free: 3.238 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.239e-05/0.4246, allocations: 12.03 kB / 0.6212 GB, free: 3.227 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01263/0.4372, allocations: 2.341 MB / 0.6235 GB, free: 0.8789 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005835/0.4431, allocations: 2.19 MB / 0.6256 GB, free: 14.64 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002418/0.4433, allocations: 271.5 kB / 0.6259 GB, free: 14.38 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001243/0.4446, allocations: 347.9 kB / 0.6262 GB, free: 14.04 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01539/0.46, allocations: 7.131 MB / 0.6332 GB, free: 6.805 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001029/0.4601, allocations: 0 / 0.6332 GB, free: 6.805 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008471/0.461, allocations: 152 kB / 0.6333 GB, free: 6.656 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004708/0.4615, allocations: 334.1 kB / 0.6336 GB, free: 6.328 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01584/0.4773, allocations: 6.997 MB / 0.6405 GB, free: 15.32 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03518/0.5125, allocations: 26.43 MB / 0.6663 GB, free: 2.711 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008055/0.5206, allocations: 4.995 MB / 0.6711 GB, free: 13.41 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005653/0.5263, allocations: 2.6 MB / 0.6737 GB, free: 10.79 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000266/0.5266, allocations: 131 kB / 0.6738 GB, free: 10.64 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.505e-05/0.5266, allocations: 60.5 kB / 0.6739 GB, free: 10.57 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 3.908e-06/0.5267, allocations: 0 / 0.6739 GB, free: 10.57 MB / 0.5137 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 0.1003/0.627, allocations: 30.96 MB / 0.7041 GB, free: 11.54 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001305/0.6271, allocations: 235.6 kB / 0.7043 GB, free: 11.26 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002058/0.6292, allocations: 1.449 MB / 0.7057 GB, free: 9.801 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0005051/0.6297, allocations: 69.7 kB / 0.7058 GB, free: 9.727 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.00101/0.6307, allocations: 1.493 MB / 0.7073 GB, free: 8.211 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001056/0.6318, allocations: 0.9242 MB / 0.7082 GB, free: 7.273 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001141/0.633, allocations: 0.628 MB / 0.7088 GB, free: 6.637 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 9.294e-05/0.6331, allocations: 305.1 kB / 0.7091 GB, free: 6.336 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005685/0.6387, allocations: 2.666 MB / 0.7117 GB, free: 3.66 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006444/0.6452, allocations: 3.552 MB / 0.7151 GB, free: 15.73 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0129/0.6581, allocations: 6.383 MB / 0.7214 GB, free: 8.945 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.073e-05/0.6582, allocations: 4 kB / 0.7214 GB, free: 8.941 MB / 0.5606 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 0.02751/0.6857, allocations: 10.95 MB / 0.7321 GB, free: 13.88 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.55e-05/0.6858, allocations: 20.09 kB / 0.7321 GB, free: 13.86 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.138e-05/0.6858, allocations: 28 kB / 0.7321 GB, free: 13.83 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01965/0.7055, allocations: 5.477 MB / 0.7375 GB, free: 8.34 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004306/0.7098, allocations: 0.9944 MB / 0.7384 GB, free: 7.344 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2857/0.9955, allocations: 28.13 MB / 0.7659 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004207/0.9998, allocations: 0.5541 MB / 0.7665 GB, free: 144.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003774/1, allocations: 153.4 kB / 0.7666 GB, free: 144.5 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007593/1.008, allocations: 3.966 MB / 0.7705 GB, free: 143.2 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005424/1.013, allocations: 3.518 MB / 0.7739 GB, free: 141.4 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08201/1.095, allocations: 24.55 MB / 0.7979 GB, free: 131.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.091e-05/1.095, allocations: 6.438 kB / 0.7979 GB, free: 131.9 MB / 0.5762 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 0.02235/1.118, allocations: 10.49 MB / 0.8081 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.461e-05/1.118, allocations: 16 kB / 0.8082 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.379e-05/1.118, allocations: 31.98 kB / 0.8082 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01335/1.131, allocations: 4.24 MB / 0.8123 GB, free: 117.1 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004113/1.135, allocations: 1.033 MB / 0.8133 GB, free: 116.1 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02754/1.163, allocations: 27.14 MB / 0.8398 GB, free: 88.36 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003906/1.167, allocations: 0.5321 MB / 0.8404 GB, free: 87.83 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000403/1.167, allocations: 152 kB / 0.8405 GB, free: 87.68 MB / 0.5762 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 0.0008788/1.168, allocations: 392.2 kB / 0.8409 GB, free: 87.3 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005106/1.169, allocations: 209.5 kB / 0.8411 GB, free: 87.1 MB / 0.5762 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 0.02273/1.191, allocations: 10.16 MB / 0.851 GB, free: 76.87 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.614e-05/1.191, allocations: 28 kB / 0.851 GB, free: 76.84 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.65e-05/1.191, allocations: 16 kB / 0.851 GB, free: 76.82 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.075e-05/1.191, allocations: 15.95 kB / 0.8511 GB, free: 76.81 MB / 0.5762 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 0.0301/1.222, allocations: 16.3 MB / 0.867 GB, free: 60.34 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.676e-05/1.222, allocations: 8 kB / 0.867 GB, free: 60.33 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003103/1.225, allocations: 0.7372 MB / 0.8677 GB, free: 59.59 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01652/1.241, allocations: 5.099 MB / 0.8727 GB, free: 54.48 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005051/1.242, allocations: 79.61 kB / 0.8728 GB, free: 54.41 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03162/1.273, allocations: 27.19 MB / 0.8993 GB, free: 26.74 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.183e-06/1.274, allocations: 12.03 kB / 0.8993 GB, free: 26.73 MB / 0.5762 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 0.02199/1.296, allocations: 10.14 MB / 0.9092 GB, free: 16.34 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002007/1.298, allocations: 0.7197 MB / 0.9099 GB, free: 15.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000501/1.298, allocations: 55.98 kB / 0.91 GB, free: 15.55 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003178/1.301, allocations: 0.503 MB / 0.9105 GB, free: 15.04 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006809/1.302, allocations: 226.4 kB / 0.9107 GB, free: 14.82 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002229/1.302, allocations: 91.89 kB / 0.9108 GB, free: 14.73 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001049/1.303, allocations: 0.9777 MB / 0.9117 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.8e-07/1.303, allocations: 0 / 0.9117 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.005207/1.308, allocations: 1.844 MB / 0.9135 GB, free: 11.91 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003604/1.309, allocations: 179.2 kB / 0.9137 GB, free: 11.73 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.02481/1.334, allocations: 12.42 MB / 0.9258 GB, free: 15.21 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 1.325e-05/1.334, allocations: 4 kB / 0.9258 GB, free: 15.21 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.01045/1.344, allocations: 4.382 MB / 0.9301 GB, free: 10.78 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002189/1.346, allocations: 296.7 kB / 0.9304 GB, free: 10.5 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02376/1.37, allocations: 9.477 MB / 0.9397 GB, free: 0.9102 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003291/1.373, allocations: 2.846 MB / 0.9424 GB, free: 14.03 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.004296/1.378, allocations: 1.633 MB / 0.944 GB, free: 12.39 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000682/1.378, allocations: 179.3 kB / 0.9442 GB, free: 12.22 MB / 0.6075 GB Notification: Performance of SimCode: time 8.21e-07/1.379, allocations: 7.875 kB / 0.9442 GB, free: 12.21 MB / 0.6075 GB Notification: Performance of Templates: time 0.3475/1.726, allocations: 77.73 MB / 1.02 GB, free: 193 MB / 0.6387 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)