Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_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 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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_8_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_8_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 0.00125/0.00125, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001667/0.001667, allocations: 195.6 kB / 16.26 MB, free: 6.621 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.554/1.554, allocations: 205.1 MB / 222.1 MB, free: 4.703 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.734/1.734, allocations: 292.2 MB / 0.5485 GB, free: 13.66 MB / 462.1 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 0.002776/0.002776, allocations: 64.91 kB / 0.671 GB, free: 26.39 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3223/0.3251, allocations: 114.6 MB / 0.7829 GB, free: 13.86 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02185/0.347, allocations: 18.11 MB / 0.8006 GB, free: 11.68 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01244/0.3595, allocations: 6.88 MB / 0.8073 GB, free: 4.777 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002193/0.3617, allocations: 47.81 kB / 0.8073 GB, free: 4.73 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003981/0.3658, allocations: 1.344 MB / 0.8087 GB, free: 3.383 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.004119/0.3699, allocations: 1.312 MB / 0.8099 GB, free: 2.066 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003779/0.3737, allocations: 1.184 MB / 0.8111 GB, free: 0.8828 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.007321/0.381, allocations: 5.488 MB / 0.8165 GB, free: 11.38 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01342/0.3945, allocations: 8.53 MB / 0.8248 GB, free: 2.75 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004534/0.3991, allocations: 2.384 MB / 0.8271 GB, free: 368 kB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005432/0.4045, allocations: 3.14 MB / 0.8302 GB, free: 13.21 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002209/0.4068, allocations: 0.5117 MB / 0.8307 GB, free: 12.7 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004312/0.4111, allocations: 1.276 MB / 0.8319 GB, free: 11.42 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003418/0.4145, allocations: 2.242 MB / 0.8341 GB, free: 9.176 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003027/0.4176, allocations: 2.194 MB / 0.8363 GB, free: 6.973 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.00738/0.425, allocations: 7.783 MB / 0.8439 GB, free: 15.16 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 6.242e-06/0.425, allocations: 0 / 0.8439 GB, free: 15.16 MB / 0.67 GB Notification: Performance of FrontEnd: time 3.096e-06/0.425, allocations: 7.984 kB / 0.8439 GB, free: 15.16 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001658/0.4252, allocations: 0 / 0.8439 GB, free: 15.16 MB / 0.67 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 0.008941/0.4342, allocations: 3.827 MB / 0.8476 GB, free: 11.27 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.277e-05/0.4342, allocations: 8.031 kB / 0.8476 GB, free: 11.27 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0125/0.4467, allocations: 2.36 MB / 0.8499 GB, free: 8.898 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005417/0.4522, allocations: 2.159 MB / 0.852 GB, free: 6.695 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003056/0.4526, allocations: 267.5 kB / 0.8523 GB, free: 6.434 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001876/0.4544, allocations: 351.9 kB / 0.8526 GB, free: 6.09 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01784/0.4723, allocations: 7.12 MB / 0.8596 GB, free: 14.87 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.188e-05/0.4724, allocations: 11.92 kB / 0.8596 GB, free: 14.86 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005858/0.473, allocations: 151.9 kB / 0.8597 GB, free: 14.71 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005321/0.4736, allocations: 334.1 kB / 0.86 GB, free: 14.38 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01791/0.4915, allocations: 7.005 MB / 0.8669 GB, free: 7.363 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03458/0.5261, allocations: 26.62 MB / 0.8929 GB, free: 10.57 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007975/0.5341, allocations: 4.984 MB / 0.8977 GB, free: 5.281 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005787/0.54, allocations: 2.608 MB / 0.9003 GB, free: 2.652 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003302/0.5403, allocations: 131 kB / 0.9004 GB, free: 2.508 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.58e-05/0.5404, allocations: 56.56 kB / 0.9005 GB, free: 2.441 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.438e-06/0.5404, allocations: 0 / 0.9005 GB, free: 2.441 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=271): time 0.5964/1.137, allocations: 30.95 MB / 0.9307 GB, free: 124.3 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.867e-05/1.137, allocations: 240.6 kB / 0.9309 GB, free: 124.1 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002508/1.139, allocations: 1.446 MB / 0.9323 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0007256/1.14, allocations: 72.48 kB / 0.9324 GB, free: 123.5 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001217/1.141, allocations: 1.493 MB / 0.9339 GB, free: 122.4 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001608/1.143, allocations: 0.9233 MB / 0.9348 GB, free: 121.6 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00146/1.144, allocations: 0.6289 MB / 0.9354 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001011/1.145, allocations: 305.9 kB / 0.9357 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.009095/1.154, allocations: 2.671 MB / 0.9383 GB, free: 120.2 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008697/1.162, allocations: 3.551 MB / 0.9417 GB, free: 118.4 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01398/1.176, allocations: 6.376 MB / 0.948 GB, free: 115.3 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.973e-05/1.177, allocations: 11.81 kB / 0.948 GB, free: 115.3 MB / 0.7325 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 0.03003/1.207, allocations: 10.95 MB / 0.9587 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.655e-05/1.207, allocations: 24.7 kB / 0.9587 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.906e-05/1.207, allocations: 23.78 kB / 0.9587 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01934/1.226, allocations: 5.498 MB / 0.9641 GB, free: 107.5 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004327/1.231, allocations: 0.9893 MB / 0.9651 GB, free: 107.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03555/1.266, allocations: 28.16 MB / 0.9926 GB, free: 80.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004877/1.271, allocations: 0.5498 MB / 0.9931 GB, free: 79.55 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00077/1.272, allocations: 151.6 kB / 0.9932 GB, free: 79.4 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007974/1.28, allocations: 3.964 MB / 0.9971 GB, free: 75.43 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005859/1.286, allocations: 3.517 MB / 1.001 GB, free: 71.54 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08202/1.368, allocations: 24.6 MB / 1.025 GB, free: 46.46 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.556e-05/1.368, allocations: 4 kB / 1.025 GB, free: 46.46 MB / 0.7325 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 0.02252/1.39, allocations: 10.5 MB / 1.035 GB, free: 35.82 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.669e-05/1.39, allocations: 18.81 kB / 1.035 GB, free: 35.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.467e-05/1.391, allocations: 28 kB / 1.035 GB, free: 35.77 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01356/1.404, allocations: 4.258 MB / 1.039 GB, free: 31.5 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004517/1.409, allocations: 1.039 MB / 1.04 GB, free: 30.47 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02833/1.437, allocations: 27.14 MB / 1.067 GB, free: 2.637 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004441/1.441, allocations: 0.5341 MB / 1.067 GB, free: 2.102 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004646/1.442, allocations: 151.9 kB / 1.067 GB, free: 1.953 MB / 0.7325 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 0.001029/1.443, allocations: 402.4 kB / 1.068 GB, free: 1.555 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006319/1.444, allocations: 197.7 kB / 1.068 GB, free: 1.359 MB / 0.7325 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 0.02663/1.47, allocations: 10.17 MB / 1.078 GB, free: 7.121 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.693e-05/1.47, allocations: 28 kB / 1.078 GB, free: 7.094 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.923e-05/1.47, allocations: 12 kB / 1.078 GB, free: 7.082 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001021/1.471, allocations: 19.94 kB / 1.078 GB, free: 7.062 MB / 0.7481 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 0.03805/1.509, allocations: 16.34 MB / 1.094 GB, free: 6.547 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.379e-05/1.509, allocations: 8 kB / 1.094 GB, free: 6.539 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003504/1.512, allocations: 0.7372 MB / 1.094 GB, free: 5.801 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01867/1.531, allocations: 5.115 MB / 1.099 GB, free: 0.668 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007144/1.532, allocations: 79.89 kB / 1.1 GB, free: 0.5898 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0415/1.573, allocations: 27.22 MB / 1.126 GB, free: 4.898 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.445e-05/1.573, allocations: 16.02 kB / 1.126 GB, free: 4.883 MB / 0.795 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 0.02808/1.601, allocations: 10.12 MB / 1.136 GB, free: 10.51 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002356/1.604, allocations: 0.727 MB / 1.137 GB, free: 9.766 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006452/1.604, allocations: 51.98 kB / 1.137 GB, free: 9.715 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003602/1.608, allocations: 0.5031 MB / 1.137 GB, free: 9.211 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009755/1.609, allocations: 230.2 kB / 1.137 GB, free: 8.988 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00026/1.609, allocations: 87.95 kB / 1.138 GB, free: 8.902 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001656/1.611, allocations: 0.9816 MB / 1.139 GB, free: 7.918 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.71e-07/1.611, allocations: 4 kB / 1.139 GB, free: 7.914 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.009381/1.62, allocations: 1.844 MB / 1.14 GB, free: 6.07 MB / 0.8106 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 0.0005924/1.621, allocations: 185.8 kB / 1.14 GB, free: 5.883 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03604/1.657, allocations: 14.33 MB / 1.154 GB, free: 7.461 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.714e-05/1.657, allocations: 0 / 1.154 GB, free: 7.461 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.0123/1.669, allocations: 4.393 MB / 1.159 GB, free: 3.027 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003155/1.673, allocations: 288.4 kB / 1.159 GB, free: 2.75 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02818/1.701, allocations: 11.13 MB / 1.17 GB, free: 7.508 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004761/1.706, allocations: 2.849 MB / 1.173 GB, free: 4.625 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.00646/1.712, allocations: 1.633 MB / 1.174 GB, free: 2.988 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001024/1.713, allocations: 175.3 kB / 1.174 GB, free: 2.816 MB / 0.8419 GB Notification: Performance of SimCode: time 1.232e-06/1.713, allocations: 0 / 1.174 GB, free: 2.816 MB / 0.8419 GB Notification: Performance of Templates: time 0.1277/1.841, allocations: 78.04 MB / 1.251 GB, free: 4.98 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)