Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.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 0.005643/0.005643, allocations: 99.34 kB / 15.73 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001151/0.001151, allocations: 195 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.524/1.524, allocations: 205.1 MB / 222.5 MB, free: 4.539 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.665/1.665, allocations: 251.7 MB / 0.5094 GB, free: 3.074 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001723/0.001723, allocations: 74.08 kB / 0.7259 GB, free: 8.914 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2442/0.246, allocations: 104.7 MB / 0.8281 GB, free: 104 kB / 0.6387 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02089/0.2669, allocations: 18.14 MB / 0.8459 GB, free: 13.9 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.01313/0.2801, allocations: 6.856 MB / 0.8526 GB, free: 7.023 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002686/0.2828, allocations: 55.88 kB / 0.8526 GB, free: 6.969 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.004327/0.2872, allocations: 1.453 MB / 0.854 GB, free: 5.512 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.004898/0.2921, allocations: 1.401 MB / 0.8554 GB, free: 4.105 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.004191/0.2963, allocations: 1.278 MB / 0.8566 GB, free: 2.828 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.008367/0.3047, allocations: 5.426 MB / 0.8619 GB, free: 13.39 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01008/0.3148, allocations: 7.065 MB / 0.8688 GB, free: 6.211 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005073/0.32, allocations: 2.338 MB / 0.8711 GB, free: 3.867 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006664/0.3267, allocations: 2.953 MB / 0.874 GB, free: 0.9062 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.002312/0.329, allocations: 0.5117 MB / 0.8745 GB, free: 404 kB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004463/0.3335, allocations: 1.268 MB / 0.8757 GB, free: 15.12 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.003654/0.3372, allocations: 2.246 MB / 0.8779 GB, free: 12.88 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.003944/0.3412, allocations: 2.167 MB / 0.8801 GB, free: 10.7 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.009961/0.3511, allocations: 7.745 MB / 0.8876 GB, free: 2.93 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 6.853e-06/0.3512, allocations: 0 / 0.8876 GB, free: 2.93 MB / 0.7012 GB Notification: Performance of FrontEnd: time 5.39e-06/0.3512, allocations: 7.938 kB / 0.8876 GB, free: 2.922 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0002242/0.3514, allocations: 0 / 0.8876 GB, free: 2.922 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.009821/0.3613, allocations: 3.872 MB / 0.8914 GB, free: 14.98 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.76e-05/0.3613, allocations: 8.031 kB / 0.8914 GB, free: 14.97 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01274/0.3741, allocations: 2.362 MB / 0.8937 GB, free: 12.61 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005779/0.3799, allocations: 2.183 MB / 0.8959 GB, free: 10.38 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003876/0.3803, allocations: 267.4 kB / 0.8961 GB, free: 10.12 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002126/0.3825, allocations: 351.9 kB / 0.8964 GB, free: 9.773 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02075/0.4032, allocations: 7.099 MB / 0.9034 GB, free: 2.57 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001276/0.4034, allocations: 3.938 kB / 0.9034 GB, free: 2.566 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001112/0.4045, allocations: 144 kB / 0.9035 GB, free: 2.426 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005382/0.4051, allocations: 334 kB / 0.9038 GB, free: 2.098 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5476/0.9527, allocations: 6.984 MB / 0.9107 GB, free: 68.07 MB / 0.7169 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04439/0.9972, allocations: 26.37 MB / 0.9364 GB, free: 49.21 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007546/1.005, allocations: 4.993 MB / 0.9413 GB, free: 46.48 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005698/1.01, allocations: 2.616 MB / 0.9438 GB, free: 45.48 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002439/1.011, allocations: 135.5 kB / 0.944 GB, free: 45.37 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.164e-05/1.011, allocations: 62.2 kB / 0.944 GB, free: 45.31 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.898e-06/1.011, allocations: 0 / 0.944 GB, free: 45.31 MB / 0.7169 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 0.09437/1.105, allocations: 31.13 MB / 0.9744 GB, free: 23.96 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.247e-05/1.105, allocations: 239.6 kB / 0.9747 GB, free: 23.68 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001588/1.107, allocations: 1.403 MB / 0.976 GB, free: 22.29 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0005563/1.107, allocations: 73.7 kB / 0.9761 GB, free: 22.21 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007149/1.108, allocations: 1.537 MB / 0.9776 GB, free: 20.74 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008654/1.109, allocations: 0.971 MB / 0.9785 GB, free: 19.78 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009879/1.11, allocations: 0.6321 MB / 0.9792 GB, free: 19.14 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 5.446e-05/1.11, allocations: 305.1 kB / 0.9795 GB, free: 18.84 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005033/1.115, allocations: 2.667 MB / 0.9821 GB, free: 16.16 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005349/1.12, allocations: 3.56 MB / 0.9855 GB, free: 12.23 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01075/1.131, allocations: 6.379 MB / 0.9918 GB, free: 5.449 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.734e-05/1.131, allocations: 8 kB / 0.9918 GB, free: 5.441 MB / 0.7169 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 0.02626/1.158, allocations: 10.96 MB / 1.002 GB, free: 10.38 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.35e-05/1.158, allocations: 20.06 kB / 1.002 GB, free: 10.36 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.728e-05/1.158, allocations: 24 kB / 1.003 GB, free: 10.34 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01903/1.177, allocations: 5.477 MB / 1.008 GB, free: 4.848 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004393/1.181, allocations: 0.9906 MB / 1.009 GB, free: 3.855 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04288/1.224, allocations: 28.16 MB / 1.036 GB, free: 7.266 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005435/1.23, allocations: 0.5537 MB / 1.037 GB, free: 6.711 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001102/1.231, allocations: 152 kB / 1.037 GB, free: 6.562 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01006/1.241, allocations: 3.964 MB / 1.041 GB, free: 2.59 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006852/1.248, allocations: 3.511 MB / 1.044 GB, free: 14.7 MB / 0.7794 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08903/1.337, allocations: 24.56 MB / 1.068 GB, free: 5.633 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.06e-05/1.337, allocations: 7.938 kB / 1.068 GB, free: 5.625 MB / 0.795 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 0.02665/1.363, allocations: 10.5 MB / 1.079 GB, free: 10.97 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 4.503e-05/1.364, allocations: 19.94 kB / 1.079 GB, free: 10.95 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.518e-05/1.364, allocations: 24 kB / 1.079 GB, free: 10.93 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01509/1.379, allocations: 4.247 MB / 1.083 GB, free: 6.664 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004861/1.384, allocations: 1.037 MB / 1.084 GB, free: 5.625 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03677/1.42, allocations: 27.14 MB / 1.11 GB, free: 9.781 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005092/1.426, allocations: 0.5343 MB / 1.111 GB, free: 9.246 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006976/1.426, allocations: 151.7 kB / 1.111 GB, free: 9.102 MB / 0.8419 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.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001378/1.428, allocations: 405.4 kB / 1.111 GB, free: 8.699 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008752/1.429, allocations: 202.8 kB / 1.112 GB, free: 8.5 MB / 0.8419 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 0.02717/1.456, allocations: 10.17 MB / 1.121 GB, free: 14.25 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.122e-05/1.456, allocations: 28 kB / 1.121 GB, free: 14.22 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.295e-05/1.456, allocations: 12 kB / 1.121 GB, free: 14.21 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.399e-05/1.456, allocations: 11.95 kB / 1.122 GB, free: 14.2 MB / 0.8575 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 0.03907/1.495, allocations: 16.29 MB / 1.137 GB, free: 13.71 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.399e-05/1.495, allocations: 8 kB / 1.137 GB, free: 13.71 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003595/1.499, allocations: 0.7419 MB / 1.138 GB, free: 12.96 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01873/1.517, allocations: 5.099 MB / 1.143 GB, free: 7.848 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009569/1.519, allocations: 75.95 kB / 1.143 GB, free: 7.773 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.042/1.561, allocations: 27.21 MB / 1.17 GB, free: 12.09 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.186e-05/1.561, allocations: 12.03 kB / 1.17 GB, free: 12.08 MB / 0.9044 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 0.02629/1.587, allocations: 10.15 MB / 1.18 GB, free: 1.688 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002329/1.589, allocations: 0.726 MB / 1.18 GB, free: 0.9414 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000634/1.59, allocations: 59.94 kB / 1.18 GB, free: 0.8828 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003683/1.594, allocations: 0.4992 MB / 1.181 GB, free: 392 kB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008843/1.594, allocations: 234.3 kB / 1.181 GB, free: 156 kB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002512/1.595, allocations: 91.95 kB / 1.181 GB, free: 64 kB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.001489/1.596, allocations: 0.9489 MB / 1.182 GB, free: 15.11 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.6e-07/1.596, allocations: 0 / 1.182 GB, free: 15.11 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.007561/1.604, allocations: 1.82 MB / 1.184 GB, free: 13.29 MB / 0.92 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 0.0006315/1.604, allocations: 182.9 kB / 1.184 GB, free: 13.1 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03036/1.635, allocations: 12.43 MB / 1.196 GB, free: 0.5703 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 2.219e-05/1.635, allocations: 4.062 kB / 1.196 GB, free: 0.5664 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01143/1.646, allocations: 4.401 MB / 1.201 GB, free: 12.12 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002652/1.649, allocations: 285.4 kB / 1.201 GB, free: 11.86 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02653/1.676, allocations: 9.518 MB / 1.21 GB, free: 2.215 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003995/1.68, allocations: 2.837 MB / 1.213 GB, free: 15.35 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.004642/1.684, allocations: 1.641 MB / 1.215 GB, free: 13.7 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006979/1.685, allocations: 171.3 kB / 1.215 GB, free: 13.54 MB / 0.9512 GB Notification: Performance of SimCode: time 8.42e-07/1.685, allocations: 0 / 1.215 GB, free: 13.54 MB / 0.9512 GB Notification: Performance of Templates: time 0.576/2.261, allocations: 78.33 MB / 1.291 GB, free: 345.8 MB / 1.014 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)