Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00601/0.00601, allocations: 100.8 kB / 15.87 MB, free: 6.312 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001181/0.001181, allocations: 197.5 kB / 16.79 MB, free: 6.242 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.409/1.409, allocations: 222.9 MB / 240.5 MB, free: 4.598 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7238/0.7238, allocations: 122.9 MB / 413.5 MB, free: 11.21 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001399/0.001399, allocations: 64.81 kB / 0.4905 GB, free: 14.39 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1557/0.1571, allocations: 77.93 MB / 0.5666 GB, free: 0.6719 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.3222/0.4794, allocations: 18.03 MB / 0.5842 GB, free: 13.06 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01292/0.4924, allocations: 6.84 MB / 0.5908 GB, free: 12.63 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002779/0.4952, allocations: 43.88 kB / 0.5909 GB, free: 12.62 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003984/0.4992, allocations: 1.351 MB / 0.5922 GB, free: 12.09 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004636/0.5039, allocations: 1.347 MB / 0.5935 GB, free: 11.55 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003897/0.5078, allocations: 1.155 MB / 0.5946 GB, free: 10.99 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.01173/0.5195, allocations: 8.496 MB / 0.6029 GB, free: 8.75 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01195/0.5315, allocations: 7.911 MB / 0.6107 GB, free: 5.785 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004649/0.5362, allocations: 1.977 MB / 0.6126 GB, free: 4.961 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006101/0.5424, allocations: 3.043 MB / 0.6156 GB, free: 3.238 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001501/0.5439, allocations: 370.5 kB / 0.6159 GB, free: 3.234 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003771/0.5477, allocations: 1.298 MB / 0.6172 GB, free: 2.691 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002697/0.5504, allocations: 2.09 MB / 0.6192 GB, free: 1.469 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003016/0.5534, allocations: 1.999 MB / 0.6212 GB, free: 100 kB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.009566/0.563, allocations: 7.63 MB / 0.6286 GB, free: 9.16 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.035e-06/0.563, allocations: 3.984 kB / 0.6286 GB, free: 9.156 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.715e-06/0.563, allocations: 4 kB / 0.6286 GB, free: 9.152 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0002236/0.5633, allocations: 0 / 0.6286 GB, free: 9.152 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.0123/0.5756, allocations: 3.785 MB / 0.6323 GB, free: 5.312 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.936e-05/0.5757, allocations: 8.031 kB / 0.6324 GB, free: 5.305 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01335/0.589, allocations: 2.403 MB / 0.6347 GB, free: 2.895 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005433/0.5945, allocations: 2.167 MB / 0.6368 GB, free: 0.6836 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002909/0.5948, allocations: 267.4 kB / 0.6371 GB, free: 432 kB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001568/0.5964, allocations: 343.9 kB / 0.6374 GB, free: 88 kB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0191/0.6155, allocations: 7.134 MB / 0.6444 GB, free: 8.852 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001287/0.6157, allocations: 4 kB / 0.6444 GB, free: 8.848 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001115/0.6168, allocations: 148 kB / 0.6445 GB, free: 8.703 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004905/0.6173, allocations: 330 kB / 0.6448 GB, free: 8.379 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01717/0.6345, allocations: 7.035 MB / 0.6517 GB, free: 1.328 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03701/0.6715, allocations: 26.6 MB / 0.6777 GB, free: 4.555 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007966/0.6795, allocations: 4.987 MB / 0.6825 GB, free: 15.26 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005596/0.6852, allocations: 2.6 MB / 0.6851 GB, free: 12.64 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002791/0.6855, allocations: 127 kB / 0.6852 GB, free: 12.5 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.832e-05/0.6856, allocations: 68.44 kB / 0.6853 GB, free: 12.43 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 4.609e-06/0.6856, allocations: 0 / 0.6853 GB, free: 12.43 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 0.1039/0.7895, allocations: 30.91 MB / 0.7155 GB, free: 13.43 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001358/0.7896, allocations: 239.6 kB / 0.7157 GB, free: 13.14 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002072/0.7917, allocations: 1.435 MB / 0.7171 GB, free: 11.7 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0004406/0.7922, allocations: 69.64 kB / 0.7171 GB, free: 11.62 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.001007/0.7932, allocations: 1.482 MB / 0.7186 GB, free: 10.12 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001261/0.7945, allocations: 0.9164 MB / 0.7195 GB, free: 9.191 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001245/0.7957, allocations: 0.6319 MB / 0.7201 GB, free: 8.551 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001314/0.7959, allocations: 305.1 kB / 0.7204 GB, free: 8.25 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005543/0.8014, allocations: 2.694 MB / 0.723 GB, free: 5.547 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00622/0.8076, allocations: 3.575 MB / 0.7265 GB, free: 1.598 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01171/0.8194, allocations: 6.391 MB / 0.7328 GB, free: 10.8 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.416e-05/0.8194, allocations: 12 kB / 0.7328 GB, free: 10.79 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 0.02763/0.8471, allocations: 10.98 MB / 0.7435 GB, free: 15.7 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 7.592e-05/0.8472, allocations: 20.56 kB / 0.7435 GB, free: 15.68 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.884e-05/0.8472, allocations: 28 kB / 0.7435 GB, free: 15.66 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02098/0.8682, allocations: 5.563 MB / 0.749 GB, free: 10.08 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004407/0.8727, allocations: 0.9984 MB / 0.75 GB, free: 9.078 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04292/0.9156, allocations: 25.79 MB / 0.7751 GB, free: 14.87 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004877/0.9206, allocations: 0.5692 MB / 0.7757 GB, free: 14.3 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009125/0.9215, allocations: 155.9 kB / 0.7758 GB, free: 14.14 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009247/0.9308, allocations: 3.984 MB / 0.7797 GB, free: 10.15 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007121/0.9379, allocations: 3.536 MB / 0.7832 GB, free: 6.238 MB / 0.6075 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09076/1.029, allocations: 24.62 MB / 0.8072 GB, free: 13.11 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.421e-05/1.029, allocations: 8 kB / 0.8072 GB, free: 13.1 MB / 0.6387 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 0.02847/1.057, allocations: 10.54 MB / 0.8175 GB, free: 2.406 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 6.106e-05/1.057, allocations: 16 kB / 0.8175 GB, free: 2.391 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.037e-05/1.057, allocations: 27.98 kB / 0.8176 GB, free: 2.363 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3466/1.404, allocations: 4.312 MB / 0.8218 GB, free: 189.5 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005035/1.409, allocations: 1.04 MB / 0.8228 GB, free: 189.5 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03223/1.441, allocations: 24.97 MB / 0.8472 GB, free: 179 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004299/1.446, allocations: 0.5579 MB / 0.8477 GB, free: 178.9 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004378/1.446, allocations: 145.7 kB / 0.8479 GB, free: 178.9 MB / 0.6387 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 0.00086/1.447, allocations: 396.4 kB / 0.8482 GB, free: 178.6 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005692/1.448, allocations: 198.9 kB / 0.8484 GB, free: 178.6 MB / 0.6387 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 0.02579/1.473, allocations: 10.16 MB / 0.8584 GB, free: 175.8 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.747e-05/1.473, allocations: 27.69 kB / 0.8584 GB, free: 175.8 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.441e-05/1.473, allocations: 13.06 kB / 0.8584 GB, free: 175.8 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.432e-05/1.474, allocations: 18.67 kB / 0.8584 GB, free: 175.8 MB / 0.6387 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 0.03129/1.505, allocations: 16.34 MB / 0.8744 GB, free: 167.6 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.357e-05/1.505, allocations: 10.19 kB / 0.8744 GB, free: 167.6 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003083/1.508, allocations: 0.7336 MB / 0.8751 GB, free: 167.4 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01684/1.525, allocations: 5.18 MB / 0.8802 GB, free: 163.6 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006434/1.525, allocations: 75.8 kB / 0.8802 GB, free: 163.5 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03061/1.556, allocations: 24.84 MB / 0.9045 GB, free: 138.4 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.115e-06/1.556, allocations: 10.62 kB / 0.9045 GB, free: 138.4 MB / 0.6387 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 0.02292/1.579, allocations: 10.13 MB / 0.9144 GB, free: 128.1 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001622/1.581, allocations: 0.7238 MB / 0.9151 GB, free: 127.4 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006991/1.581, allocations: 55.98 kB / 0.9151 GB, free: 127.3 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0034/1.585, allocations: 0.5109 MB / 0.9156 GB, free: 126.8 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007326/1.586, allocations: 224.8 kB / 0.9159 GB, free: 126.6 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000234/1.586, allocations: 91.94 kB / 0.916 GB, free: 126.5 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001155/1.587, allocations: 0.9732 MB / 0.9169 GB, free: 125.5 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.2e-07/1.587, allocations: 0 / 0.9169 GB, free: 125.5 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.00582/1.593, allocations: 1.848 MB / 0.9187 GB, free: 123.7 MB / 0.6387 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 0.0003909/1.593, allocations: 176.9 kB / 0.9189 GB, free: 123.5 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.02456/1.618, allocations: 12.41 MB / 0.931 GB, free: 111.2 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 1.277e-05/1.618, allocations: 4 kB / 0.931 GB, free: 111.2 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.009396/1.627, allocations: 4.369 MB / 0.9353 GB, free: 106.8 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002653/1.63, allocations: 268.8 kB / 0.9355 GB, free: 106.6 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02243/1.652, allocations: 11.07 MB / 0.9463 GB, free: 95.41 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002491/1.655, allocations: 2.836 MB / 0.9491 GB, free: 92.54 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.004651/1.66, allocations: 1.653 MB / 0.9507 GB, free: 90.89 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006839/1.66, allocations: 171.3 kB / 0.9509 GB, free: 90.72 MB / 0.6387 GB Notification: Performance of SimCode: time 8.82e-07/1.66, allocations: 0 / 0.9509 GB, free: 90.72 MB / 0.6387 GB Notification: Performance of Templates: time 0.08681/1.747, allocations: 75.03 MB / 1.024 GB, free: 16 MB / 0.6387 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)