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 0.001893/0.001893, allocations: 105.4 kB / 16.27 MB, free: 6.41 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002114/0.002114, allocations: 186.2 kB / 17.2 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 222.9 MB / 240.9 MB, free: 15.26 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8507/0.8507, allocations: 126.7 MB / 417.8 MB, free: 12.33 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002139/0.002139, allocations: 71.88 kB / 0.4958 GB, free: 2.766 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4594/0.4616, allocations: 78.85 MB / 0.5728 GB, free: 30.98 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02088/0.4825, allocations: 18.16 MB / 0.5905 GB, free: 17.76 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01275/0.4953, allocations: 6.798 MB / 0.5972 GB, free: 12.42 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002874/0.4982, allocations: 57.5 kB / 0.5972 GB, free: 12.41 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004088/0.5023, allocations: 1.461 MB / 0.5986 GB, free: 11.27 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004392/0.5067, allocations: 1.427 MB / 0.6 GB, free: 9.84 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003368/0.5101, allocations: 1.268 MB / 0.6013 GB, free: 8.574 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.006007/0.5162, allocations: 5.44 MB / 0.6066 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008873/0.5251, allocations: 7.197 MB / 0.6136 GB, free: 11.88 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004699/0.5298, allocations: 2.341 MB / 0.6159 GB, free: 9.527 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00565/0.5355, allocations: 2.953 MB / 0.6188 GB, free: 6.566 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001705/0.5372, allocations: 0.5156 MB / 0.6193 GB, free: 6.051 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003545/0.5408, allocations: 1.264 MB / 0.6205 GB, free: 4.785 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003344/0.5442, allocations: 2.238 MB / 0.6227 GB, free: 2.543 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.004565/0.5487, allocations: 2.171 MB / 0.6248 GB, free: 372 kB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01071/0.5595, allocations: 7.686 MB / 0.6323 GB, free: 8.656 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 9.247e-06/0.5595, allocations: 4 kB / 0.6323 GB, free: 8.652 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.864e-06/0.5595, allocations: 4 kB / 0.6323 GB, free: 8.648 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0002415/0.5598, allocations: 0 / 0.6323 GB, free: 8.648 MB / 478.1 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 0.01185/0.5716, allocations: 3.788 MB / 0.636 GB, free: 4.801 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.863e-05/0.5717, allocations: 12.03 kB / 0.6361 GB, free: 4.789 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01337/0.5851, allocations: 2.407 MB / 0.6384 GB, free: 2.375 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005874/0.591, allocations: 2.155 MB / 0.6405 GB, free: 180 kB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003302/0.5914, allocations: 263.5 kB / 0.6408 GB, free: 15.91 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001642/0.593, allocations: 347.8 kB / 0.6411 GB, free: 15.58 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01832/0.6113, allocations: 7.131 MB / 0.6481 GB, free: 8.344 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.843e-05/0.6115, allocations: 7.938 kB / 0.6481 GB, free: 8.336 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006233/0.6121, allocations: 148 kB / 0.6482 GB, free: 8.191 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005557/0.6127, allocations: 330 kB / 0.6485 GB, free: 7.867 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01987/0.6326, allocations: 7.035 MB / 0.6554 GB, free: 0.8203 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04372/0.6763, allocations: 26.6 MB / 0.6814 GB, free: 4.039 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009559/0.6859, allocations: 5.002 MB / 0.6862 GB, free: 14.73 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006467/0.6924, allocations: 2.604 MB / 0.6888 GB, free: 12.11 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000314/0.6928, allocations: 131 kB / 0.6889 GB, free: 11.96 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.638e-05/0.6928, allocations: 56.56 kB / 0.689 GB, free: 11.9 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 3.977e-06/0.6929, allocations: 8 kB / 0.689 GB, free: 11.89 MB / 0.5294 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 0.1105/0.8034, allocations: 30.89 MB / 0.7191 GB, free: 12.92 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001536/0.8036, allocations: 239.6 kB / 0.7194 GB, free: 12.64 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002404/0.806, allocations: 1.431 MB / 0.7208 GB, free: 11.2 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005193/0.8065, allocations: 69.7 kB / 0.7208 GB, free: 11.12 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001372/0.8079, allocations: 1.482 MB / 0.7223 GB, free: 9.617 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001839/0.8097, allocations: 0.9281 MB / 0.7232 GB, free: 8.676 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001904/0.8117, allocations: 0.6318 MB / 0.7238 GB, free: 8.035 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001744/0.8119, allocations: 305.1 kB / 0.7241 GB, free: 7.734 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01035/0.8222, allocations: 2.69 MB / 0.7267 GB, free: 5.035 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01215/0.8344, allocations: 3.575 MB / 0.7302 GB, free: 1.078 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02231/0.8567, allocations: 6.399 MB / 0.7365 GB, free: 10.28 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.701e-05/0.8568, allocations: 12 kB / 0.7365 GB, free: 10.27 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 : 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 0.3989/1.256, allocations: 10.98 MB / 0.7472 GB, free: 149.1 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.77e-05/1.256, allocations: 16.38 kB / 0.7472 GB, free: 149.1 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.078e-05/1.256, allocations: 26.53 kB / 0.7472 GB, free: 149.1 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02205/1.278, allocations: 5.583 MB / 0.7527 GB, free: 149 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004545/1.283, allocations: 0.9886 MB / 0.7537 GB, free: 149 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03852/1.321, allocations: 28.21 MB / 0.7812 GB, free: 133.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004792/1.326, allocations: 0.5755 MB / 0.7818 GB, free: 133 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005936/1.327, allocations: 150 kB / 0.7819 GB, free: 133 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007326/1.334, allocations: 3.986 MB / 0.7858 GB, free: 130.8 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005606/1.34, allocations: 3.527 MB / 0.7892 GB, free: 127.8 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07868/1.418, allocations: 24.68 MB / 0.8133 GB, free: 102.7 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.582e-05/1.418, allocations: 8 kB / 0.8134 GB, free: 102.7 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 0.0222/1.441, allocations: 10.53 MB / 0.8236 GB, free: 92.07 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.936e-05/1.441, allocations: 16 kB / 0.8237 GB, free: 92.05 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.362e-05/1.441, allocations: 28 kB / 0.8237 GB, free: 92.03 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01342/1.454, allocations: 4.344 MB / 0.8279 GB, free: 87.66 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00423/1.458, allocations: 1.041 MB / 0.8289 GB, free: 86.62 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02744/1.486, allocations: 27.14 MB / 0.8554 GB, free: 58.82 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004395/1.49, allocations: 0.5652 MB / 0.856 GB, free: 58.26 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000403/1.491, allocations: 152 kB / 0.8561 GB, free: 58.11 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 0.0008481/1.492, allocations: 398.1 kB / 0.8565 GB, free: 57.73 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005005/1.492, allocations: 201.7 kB / 0.8567 GB, free: 57.53 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 0.02313/1.515, allocations: 10.16 MB / 0.8666 GB, free: 47.3 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.907e-05/1.515, allocations: 28.88 kB / 0.8667 GB, free: 47.27 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.712e-05/1.515, allocations: 12.56 kB / 0.8667 GB, free: 47.26 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.861e-05/1.515, allocations: 19.89 kB / 0.8667 GB, free: 47.24 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 0.03082/1.546, allocations: 16.34 MB / 0.8826 GB, free: 30.73 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.172e-05/1.546, allocations: 8.188 kB / 0.8827 GB, free: 30.72 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003129/1.549, allocations: 0.741 MB / 0.8834 GB, free: 29.98 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01608/1.565, allocations: 5.208 MB / 0.8885 GB, free: 24.75 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005652/1.566, allocations: 71.95 kB / 0.8885 GB, free: 24.68 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03219/1.598, allocations: 27.23 MB / 0.9151 GB, free: 12.97 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.284e-05/1.598, allocations: 16.09 kB / 0.9151 GB, free: 12.96 MB / 0.5919 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 0.0274/1.626, allocations: 10.12 MB / 0.925 GB, free: 2.586 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001868/1.628, allocations: 0.7245 MB / 0.9257 GB, free: 1.844 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00052/1.628, allocations: 52 kB / 0.9258 GB, free: 1.793 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003729/1.632, allocations: 0.507 MB / 0.9263 GB, free: 1.285 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000825/1.633, allocations: 230.3 kB / 0.9265 GB, free: 1.062 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002447/1.633, allocations: 87.95 kB / 0.9266 GB, free: 0.9766 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001581/1.635, allocations: 0.9723 MB / 0.9275 GB, free: 0 / 0.5919 GB Notification: Performance of sort global known variables: time 1.5e-07/1.635, allocations: 0 / 0.9275 GB, free: 0 / 0.5919 GB Notification: Performance of remove unused functions: time 0.006649/1.641, allocations: 1.848 MB / 0.9293 GB, free: 14.15 MB / 0.6075 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 0.0004987/1.642, allocations: 180.6 kB / 0.9295 GB, free: 13.97 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.03587/1.678, allocations: 14.39 MB / 0.9436 GB, free: 15.49 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 1.505e-05/1.678, allocations: 4 kB / 0.9436 GB, free: 15.49 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.01165/1.689, allocations: 4.395 MB / 0.9479 GB, free: 11.06 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002782/1.692, allocations: 269.1 kB / 0.9481 GB, free: 10.8 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02461/1.717, allocations: 9.502 MB / 0.9574 GB, free: 1.207 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003582/1.72, allocations: 2.848 MB / 0.9602 GB, free: 14.32 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.005359/1.726, allocations: 1.653 MB / 0.9618 GB, free: 12.67 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006622/1.726, allocations: 171.3 kB / 0.962 GB, free: 12.5 MB / 0.6387 GB Notification: Performance of SimCode: time 7.32e-07/1.726, allocations: 0 / 0.962 GB, free: 12.5 MB / 0.6387 GB Notification: Performance of Templates: time 0.3693/2.096, allocations: 77.59 MB / 1.038 GB, free: 192.1 MB / 0.6544 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)