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.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 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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.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 0.006333/0.006333, allocations: 101.6 kB / 15.73 MB, free: 6.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001253/0.001253, allocations: 194.6 kB / 16.67 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.598/1.598, allocations: 205.1 MB / 222.5 MB, free: 4.578 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 1.571/1.571, allocations: 251.7 MB / 0.5094 GB, free: 3.152 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 0.001444/0.001444, allocations: 75.89 kB / 0.7259 GB, free: 8.953 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2559/0.2573, allocations: 104.7 MB / 0.8281 GB, free: 148 kB / 0.6387 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02266/0.28, allocations: 18.23 MB / 0.8459 GB, free: 13.85 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.01425/0.2944, allocations: 6.918 MB / 0.8527 GB, free: 6.914 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00213/0.2965, allocations: 55.88 kB / 0.8528 GB, free: 6.859 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.004107/0.3007, allocations: 1.458 MB / 0.8542 GB, free: 5.395 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.004501/0.3052, allocations: 1.416 MB / 0.8556 GB, free: 3.973 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.004016/0.3093, allocations: 1.298 MB / 0.8568 GB, free: 2.676 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.007525/0.3168, allocations: 5.453 MB / 0.8622 GB, free: 13.21 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0112/0.328, allocations: 7.105 MB / 0.8691 GB, free: 5.992 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005008/0.3331, allocations: 2.353 MB / 0.8714 GB, free: 3.633 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005457/0.3386, allocations: 2.972 MB / 0.8743 GB, free: 0.6523 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.001667/0.3403, allocations: 0.5195 MB / 0.8748 GB, free: 136 kB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003644/0.3439, allocations: 1.28 MB / 0.876 GB, free: 14.85 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.00385/0.3478, allocations: 2.238 MB / 0.8782 GB, free: 12.61 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.005047/0.3529, allocations: 2.187 MB / 0.8804 GB, free: 10.41 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.01109/0.364, allocations: 7.775 MB / 0.888 GB, free: 2.617 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 7.615e-06/0.3641, allocations: 0 / 0.888 GB, free: 2.617 MB / 0.7012 GB Notification: Performance of FrontEnd: time 2.605e-06/0.3641, allocations: 4 kB / 0.888 GB, free: 2.613 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0002848/0.3644, allocations: 0 / 0.888 GB, free: 2.613 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01285/0.3772, allocations: 3.819 MB / 0.8917 GB, free: 14.73 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.795e-05/0.3773, allocations: 12.03 kB / 0.8917 GB, free: 14.72 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01355/0.3908, allocations: 2.352 MB / 0.894 GB, free: 12.36 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006367/0.3972, allocations: 2.175 MB / 0.8961 GB, free: 10.14 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002343/0.3975, allocations: 271.5 kB / 0.8964 GB, free: 9.879 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001233/0.3987, allocations: 347.9 kB / 0.8967 GB, free: 9.539 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01712/0.4159, allocations: 7.135 MB / 0.9037 GB, free: 2.301 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.085e-05/0.416, allocations: 0 / 0.9037 GB, free: 2.301 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005239/0.4165, allocations: 152 kB / 0.9038 GB, free: 2.152 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000503/0.417, allocations: 345.9 kB / 0.9042 GB, free: 1.812 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.6684/1.085, allocations: 6.992 MB / 0.911 GB, free: 68.22 MB / 0.7169 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04786/1.133, allocations: 26.4 MB / 0.9368 GB, free: 49.27 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008972/1.142, allocations: 5.001 MB / 0.9417 GB, free: 46.54 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006178/1.149, allocations: 2.611 MB / 0.9442 GB, free: 45.43 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002621/1.149, allocations: 135.7 kB / 0.9443 GB, free: 45.32 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.914e-05/1.149, allocations: 56.97 kB / 0.9444 GB, free: 45.26 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.598e-06/1.149, allocations: 0 / 0.9444 GB, free: 45.26 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 0.1049/1.254, allocations: 30.97 MB / 0.9746 GB, free: 23.57 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.771e-05/1.254, allocations: 239.6 kB / 0.9749 GB, free: 23.28 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001796/1.256, allocations: 1.438 MB / 0.9763 GB, free: 21.84 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.000591/1.256, allocations: 73.7 kB / 0.9763 GB, free: 21.76 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005795/1.257, allocations: 1.497 MB / 0.9778 GB, free: 20.25 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006614/1.258, allocations: 0.9184 MB / 0.9787 GB, free: 19.34 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009506/1.259, allocations: 0.6318 MB / 0.9793 GB, free: 18.7 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 6.994e-05/1.259, allocations: 301.1 kB / 0.9796 GB, free: 18.4 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005247/1.264, allocations: 2.67 MB / 0.9822 GB, free: 15.72 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005516/1.27, allocations: 3.552 MB / 0.9857 GB, free: 11.79 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01083/1.28, allocations: 6.391 MB / 0.9919 GB, free: 5.004 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.28e-05/1.28, allocations: 11.94 kB / 0.9919 GB, free: 4.992 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 0.02729/1.308, allocations: 10.95 MB / 1.003 GB, free: 9.941 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.581e-05/1.308, allocations: 16 kB / 1.003 GB, free: 9.926 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.166e-05/1.308, allocations: 28.56 kB / 1.003 GB, free: 9.898 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02054/1.328, allocations: 5.485 MB / 1.008 GB, free: 4.402 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004611/1.333, allocations: 0.979 MB / 1.009 GB, free: 3.422 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04247/1.376, allocations: 28.15 MB / 1.036 GB, free: 6.832 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004633/1.38, allocations: 0.5535 MB / 1.037 GB, free: 6.281 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005791/1.381, allocations: 148 kB / 1.037 GB, free: 6.137 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008071/1.389, allocations: 3.971 MB / 1.041 GB, free: 2.16 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006556/1.396, allocations: 3.51 MB / 1.044 GB, free: 14.27 MB / 0.7794 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08868/1.484, allocations: 24.56 MB / 1.068 GB, free: 5.199 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.525e-05/1.484, allocations: 8 kB / 1.068 GB, free: 5.191 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 0.02855/1.513, allocations: 10.49 MB / 1.079 GB, free: 10.55 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 3.329e-05/1.513, allocations: 16 kB / 1.079 GB, free: 10.54 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.519e-05/1.513, allocations: 28 kB / 1.079 GB, free: 10.51 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01572/1.529, allocations: 4.25 MB / 1.083 GB, free: 6.246 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004827/1.534, allocations: 1.037 MB / 1.084 GB, free: 5.207 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03878/1.572, allocations: 27.13 MB / 1.11 GB, free: 9.367 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004695/1.577, allocations: 0.5303 MB / 1.111 GB, free: 8.836 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005886/1.578, allocations: 148 kB / 1.111 GB, free: 8.691 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 0.001134/1.579, allocations: 397.2 kB / 1.111 GB, free: 8.297 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007102/1.58, allocations: 201.6 kB / 1.112 GB, free: 8.098 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 0.02836/1.608, allocations: 10.17 MB / 1.122 GB, free: 13.85 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.652e-05/1.608, allocations: 28 kB / 1.122 GB, free: 13.82 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.111e-05/1.608, allocations: 12 kB / 1.122 GB, free: 13.81 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.361e-05/1.608, allocations: 15.94 kB / 1.122 GB, free: 13.79 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 0.03888/1.647, allocations: 16.32 MB / 1.138 GB, free: 13.29 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.947e-05/1.647, allocations: 11.94 kB / 1.138 GB, free: 13.28 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003808/1.651, allocations: 0.7299 MB / 1.138 GB, free: 12.55 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0191/1.67, allocations: 5.107 MB / 1.143 GB, free: 7.426 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000757/1.671, allocations: 79.95 kB / 1.143 GB, free: 7.348 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04151/1.712, allocations: 27.18 MB / 1.17 GB, free: 11.69 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.012e-05/1.712, allocations: 16.03 kB / 1.17 GB, free: 11.67 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 0.0271/1.74, allocations: 10.12 MB / 1.18 GB, free: 1.293 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002991/1.743, allocations: 0.7286 MB / 1.18 GB, free: 0.543 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000627/1.743, allocations: 59.75 kB / 1.181 GB, free: 500 kB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00383/1.747, allocations: 0.4992 MB / 1.181 GB, free: 15.98 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008251/1.748, allocations: 222.4 kB / 1.181 GB, free: 15.77 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002309/1.748, allocations: 104 kB / 1.181 GB, free: 15.67 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001446/1.75, allocations: 0.9738 MB / 1.182 GB, free: 14.69 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.3e-07/1.75, allocations: 3.938 kB / 1.182 GB, free: 14.69 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.006761/1.756, allocations: 1.828 MB / 1.184 GB, free: 12.86 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 0.0005019/1.757, allocations: 186.6 kB / 1.184 GB, free: 12.67 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03031/1.787, allocations: 12.4 MB / 1.196 GB, free: 168 kB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.461e-05/1.787, allocations: 0 / 1.196 GB, free: 168 kB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01145/1.799, allocations: 4.403 MB / 1.201 GB, free: 11.72 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002597/1.801, allocations: 301.2 kB / 1.201 GB, free: 11.44 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02766/1.829, allocations: 9.468 MB / 1.21 GB, free: 1.855 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005741/1.835, allocations: 2.853 MB / 1.213 GB, free: 14.97 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.005061/1.84, allocations: 1.641 MB / 1.215 GB, free: 13.32 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000681/1.841, allocations: 171.3 kB / 1.215 GB, free: 13.16 MB / 0.9512 GB Notification: Performance of SimCode: time 1.392e-06/1.841, allocations: 4 kB / 1.215 GB, free: 13.15 MB / 0.9512 GB Notification: Performance of Templates: time 0.7435/2.584, allocations: 78.87 MB / 1.292 GB, free: 345.5 MB / 1.014 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)