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 0.001118/0.001118, allocations: 100.1 kB / 15.88 MB, free: 12 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001935/0.001935, allocations: 209.7 kB / 16.79 MB, free: 6.84 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.365/1.365, allocations: 222.9 MB / 240.5 MB, free: 4.605 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7259/0.7259, allocations: 122.9 MB / 413.5 MB, free: 11.22 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001259/0.001259, allocations: 60.88 kB / 0.4904 GB, free: 14.45 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1605/0.1618, allocations: 77.93 MB / 0.5666 GB, free: 0.7188 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.3239/0.4857, allocations: 18.11 MB / 0.5842 GB, free: 13.31 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01259/0.4984, allocations: 6.917 MB / 0.591 GB, free: 12.83 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001824/0.5002, allocations: 44.22 kB / 0.591 GB, free: 12.82 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003455/0.5038, allocations: 1.343 MB / 0.5924 GB, free: 12.29 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004127/0.5079, allocations: 1.374 MB / 0.5937 GB, free: 11.75 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003582/0.5115, allocations: 1.161 MB / 0.5948 GB, free: 11.18 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.01254/0.524, allocations: 8.514 MB / 0.6031 GB, free: 8.918 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01273/0.5368, allocations: 7.95 MB / 0.6109 GB, free: 5.828 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005386/0.5422, allocations: 1.988 MB / 0.6128 GB, free: 4.961 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007095/0.5493, allocations: 3.066 MB / 0.6158 GB, free: 3.223 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001445/0.5508, allocations: 372.5 kB / 0.6162 GB, free: 3.219 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004105/0.5549, allocations: 1.305 MB / 0.6175 GB, free: 2.672 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003013/0.558, allocations: 2.091 MB / 0.6195 GB, free: 1.445 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003245/0.5612, allocations: 2.015 MB / 0.6215 GB, free: 68 kB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01153/0.5728, allocations: 7.671 MB / 0.629 GB, free: 8.996 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.5728, allocations: 3.938 kB / 0.629 GB, free: 8.992 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.044e-06/0.5728, allocations: 0 / 0.629 GB, free: 8.992 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0003223/0.5731, allocations: 0 / 0.629 GB, free: 8.992 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 0.01218/0.5853, allocations: 3.824 MB / 0.6327 GB, free: 5.113 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.16e-05/0.5854, allocations: 8.031 kB / 0.6327 GB, free: 5.105 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01279/0.5982, allocations: 2.423 MB / 0.6351 GB, free: 2.676 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005641/0.6039, allocations: 2.163 MB / 0.6372 GB, free: 480 kB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000206/0.6041, allocations: 263.5 kB / 0.6374 GB, free: 216 kB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00104/0.6052, allocations: 359.9 kB / 0.6378 GB, free: 15.86 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0152/0.6204, allocations: 7.163 MB / 0.6448 GB, free: 8.598 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.316e-05/0.6205, allocations: 7.844 kB / 0.6448 GB, free: 8.59 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004236/0.6209, allocations: 148 kB / 0.6449 GB, free: 8.445 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004411/0.6214, allocations: 330.1 kB / 0.6452 GB, free: 8.121 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01524/0.6366, allocations: 7.048 MB / 0.6521 GB, free: 1.059 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03512/0.6718, allocations: 26.68 MB / 0.6782 GB, free: 4.211 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008026/0.6799, allocations: 4.991 MB / 0.6831 GB, free: 14.91 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005655/0.6856, allocations: 2.595 MB / 0.6856 GB, free: 12.3 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002837/0.6859, allocations: 131 kB / 0.6857 GB, free: 12.16 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.957e-05/0.6859, allocations: 68.5 kB / 0.6858 GB, free: 12.08 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 4.87e-06/0.686, allocations: 3.938 kB / 0.6858 GB, free: 12.08 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 0.1036/0.7896, allocations: 30.94 MB / 0.716 GB, free: 13.04 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001219/0.7897, allocations: 239.6 kB / 0.7162 GB, free: 12.76 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002212/0.7919, allocations: 1.473 MB / 0.7177 GB, free: 11.28 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0005294/0.7925, allocations: 69.7 kB / 0.7177 GB, free: 11.21 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.000973/0.7935, allocations: 1.493 MB / 0.7192 GB, free: 9.691 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009401/0.7944, allocations: 0.9281 MB / 0.7201 GB, free: 8.75 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001119/0.7955, allocations: 0.628 MB / 0.7207 GB, free: 8.113 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001034/0.7956, allocations: 313 kB / 0.721 GB, free: 7.805 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005611/0.8013, allocations: 2.682 MB / 0.7236 GB, free: 5.113 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006255/0.8075, allocations: 3.571 MB / 0.7271 GB, free: 1.168 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0122/0.8197, allocations: 6.399 MB / 0.7334 GB, free: 10.37 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.172e-05/0.8198, allocations: 4 kB / 0.7334 GB, free: 10.36 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 0.02857/0.8484, allocations: 10.98 MB / 0.7441 GB, free: 15.27 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.265e-05/0.8485, allocations: 16 kB / 0.7441 GB, free: 15.25 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.081e-05/0.8485, allocations: 28 kB / 0.7441 GB, free: 15.23 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02094/0.8695, allocations: 5.564 MB / 0.7496 GB, free: 9.648 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004838/0.8744, allocations: 0.9983 MB / 0.7506 GB, free: 8.648 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0429/0.9173, allocations: 25.79 MB / 0.7757 GB, free: 14.44 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004518/0.9218, allocations: 0.577 MB / 0.7763 GB, free: 13.86 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007094/0.9226, allocations: 159.9 kB / 0.7764 GB, free: 13.7 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008758/0.9314, allocations: 3.98 MB / 0.7803 GB, free: 9.715 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006828/0.9382, allocations: 3.528 MB / 0.7838 GB, free: 5.809 MB / 0.6075 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08903/1.027, allocations: 24.62 MB / 0.8078 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.669e-05/1.027, allocations: 12 kB / 0.8078 GB, free: 12.67 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 0.02726/1.055, allocations: 10.53 MB / 0.8181 GB, free: 1.992 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 6.454e-05/1.055, allocations: 19.94 kB / 0.8181 GB, free: 1.973 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.745e-05/1.055, allocations: 28 kB / 0.8182 GB, free: 1.945 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3761/1.431, allocations: 4.311 MB / 0.8224 GB, free: 204.2 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005493/1.436, allocations: 1.044 MB / 0.8234 GB, free: 204.2 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03627/1.473, allocations: 24.96 MB / 0.8478 GB, free: 191.1 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004629/1.477, allocations: 0.5541 MB / 0.8483 GB, free: 191.1 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005372/1.478, allocations: 153.5 kB / 0.8485 GB, free: 191.1 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 0.0008797/1.479, allocations: 390.6 kB / 0.8488 GB, free: 190.8 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005816/1.479, allocations: 200.5 kB / 0.849 GB, free: 190.8 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 0.02603/1.505, allocations: 10.17 MB / 0.8589 GB, free: 187.9 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.946e-05/1.506, allocations: 28.53 kB / 0.859 GB, free: 187.9 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.787e-05/1.506, allocations: 16.56 kB / 0.859 GB, free: 187.9 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.139e-05/1.506, allocations: 16.33 kB / 0.859 GB, free: 187.9 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 0.03031/1.536, allocations: 16.34 MB / 0.875 GB, free: 179.6 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.316e-05/1.536, allocations: 7.719 kB / 0.875 GB, free: 179.6 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003038/1.539, allocations: 0.73 MB / 0.8757 GB, free: 179.3 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01717/1.556, allocations: 5.187 MB / 0.8807 GB, free: 175.9 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006298/1.557, allocations: 79.8 kB / 0.8808 GB, free: 175.8 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02988/1.587, allocations: 24.83 MB / 0.9051 GB, free: 150.6 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.468e-06/1.587, allocations: 16.03 kB / 0.9051 GB, free: 150.6 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 0.02188/1.609, allocations: 10.13 MB / 0.915 GB, free: 140.2 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001659/1.61, allocations: 0.7319 MB / 0.9157 GB, free: 139.5 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004995/1.611, allocations: 59.92 kB / 0.9158 GB, free: 139.4 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003251/1.614, allocations: 0.5031 MB / 0.9162 GB, free: 138.9 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007863/1.615, allocations: 222.4 kB / 0.9165 GB, free: 138.7 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000218/1.615, allocations: 95.94 kB / 0.9165 GB, free: 138.6 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001258/1.616, allocations: 1.005 MB / 0.9175 GB, free: 137.6 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2e-07/1.616, allocations: 2.953 kB / 0.9175 GB, free: 137.6 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.005851/1.622, allocations: 1.858 MB / 0.9193 GB, free: 135.7 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 0.0004138/1.623, allocations: 183.8 kB / 0.9195 GB, free: 135.5 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.02501/1.648, allocations: 12.39 MB / 0.9316 GB, free: 123 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 1.267e-05/1.648, allocations: 0 / 0.9316 GB, free: 123 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0091/1.657, allocations: 4.383 MB / 0.9359 GB, free: 118.6 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00224/1.659, allocations: 283.2 kB / 0.9362 GB, free: 118.4 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02136/1.681, allocations: 11.12 MB / 0.947 GB, free: 107.1 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002927/1.684, allocations: 2.849 MB / 0.9498 GB, free: 104.2 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.004793/1.688, allocations: 1.657 MB / 0.9514 GB, free: 102.6 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006744/1.689, allocations: 171.3 kB / 0.9516 GB, free: 102.4 MB / 0.6387 GB Notification: Performance of SimCode: time 7.82e-07/1.689, allocations: 0 / 0.9516 GB, free: 102.4 MB / 0.6387 GB Notification: Performance of Templates: time 0.1278/1.817, allocations: 75.54 MB / 1.025 GB, free: 27.1 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 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)