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 0.00121/0.00121, allocations: 101.4 kB / 15.7 MB, free: 28 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001407/0.001407, allocations: 200.6 kB / 16.64 MB, free: 6.43 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.495/1.495, allocations: 205.1 MB / 222.5 MB, free: 4.559 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 1.857/1.857, allocations: 292.3 MB / 0.549 GB, free: 12.75 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 0.001671/0.001671, allocations: 73.19 kB / 0.6723 GB, free: 26.03 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2496/0.2513, allocations: 114.6 MB / 0.7842 GB, free: 12.7 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.0237/0.275, allocations: 18.23 MB / 0.802 GB, free: 10.41 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01361/0.2887, allocations: 6.911 MB / 0.8087 GB, free: 3.473 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002026/0.2907, allocations: 59.88 kB / 0.8088 GB, free: 3.414 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003737/0.2945, allocations: 1.465 MB / 0.8102 GB, free: 1.945 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003981/0.2985, allocations: 1.424 MB / 0.8116 GB, free: 0.5156 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003627/0.3022, allocations: 1.29 MB / 0.8129 GB, free: 15.23 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.007294/0.3095, allocations: 5.476 MB / 0.8182 GB, free: 9.738 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008934/0.3185, allocations: 7.116 MB / 0.8251 GB, free: 2.508 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004465/0.323, allocations: 2.361 MB / 0.8275 GB, free: 144 kB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006103/0.3291, allocations: 2.98 MB / 0.8304 GB, free: 13.15 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.00118/0.3303, allocations: 0.5117 MB / 0.8309 GB, free: 12.64 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003106/0.3334, allocations: 1.272 MB / 0.8321 GB, free: 11.37 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003004/0.3364, allocations: 2.238 MB / 0.8343 GB, free: 9.125 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003845/0.3403, allocations: 2.202 MB / 0.8364 GB, free: 6.914 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.008134/0.3485, allocations: 7.779 MB / 0.844 GB, free: 15.11 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.65e-06/0.3485, allocations: 0 / 0.844 GB, free: 15.11 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.864e-06/0.3485, allocations: 0 / 0.844 GB, free: 15.11 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.000172/0.3487, allocations: 0 / 0.844 GB, free: 15.11 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 0.008642/0.3573, allocations: 3.823 MB / 0.8478 GB, free: 11.23 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.947e-05/0.3574, allocations: 8.031 kB / 0.8478 GB, free: 11.22 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01252/0.3699, allocations: 2.345 MB / 0.8501 GB, free: 8.871 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005283/0.3752, allocations: 2.182 MB / 0.8522 GB, free: 6.645 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003212/0.3756, allocations: 279.5 kB / 0.8525 GB, free: 6.371 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00149/0.3771, allocations: 351.8 kB / 0.8528 GB, free: 6.027 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01536/0.3925, allocations: 7.116 MB / 0.8598 GB, free: 14.81 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.587e-05/0.3926, allocations: 11.94 kB / 0.8598 GB, free: 14.8 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000429/0.393, allocations: 148 kB / 0.8599 GB, free: 14.65 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004828/0.3935, allocations: 334.1 kB / 0.8602 GB, free: 14.32 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01579/0.4093, allocations: 6.997 MB / 0.8671 GB, free: 7.316 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03589/0.4452, allocations: 26.44 MB / 0.8929 GB, free: 10.7 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008253/0.4535, allocations: 4.976 MB / 0.8977 GB, free: 5.418 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005865/0.4594, allocations: 2.6 MB / 0.9003 GB, free: 2.801 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002717/0.4597, allocations: 131 kB / 0.9004 GB, free: 2.656 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.022e-05/0.4598, allocations: 68.48 kB / 0.9005 GB, free: 2.578 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.128e-06/0.4598, allocations: 0 / 0.9005 GB, free: 2.578 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 0.559/1.019, allocations: 30.93 MB / 0.9307 GB, free: 123.7 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.768e-05/1.019, allocations: 247.5 kB / 0.9309 GB, free: 123.4 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002518/1.021, allocations: 1.449 MB / 0.9323 GB, free: 122.9 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005887/1.022, allocations: 63.86 kB / 0.9324 GB, free: 122.8 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001058/1.023, allocations: 1.501 MB / 0.9339 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001066/1.024, allocations: 0.9169 MB / 0.9348 GB, free: 120.9 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00118/1.025, allocations: 0.6333 MB / 0.9354 GB, free: 120.7 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.283e-05/1.025, allocations: 305.8 kB / 0.9357 GB, free: 120.4 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006856/1.032, allocations: 2.665 MB / 0.9383 GB, free: 119.5 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008851/1.041, allocations: 3.551 MB / 0.9417 GB, free: 117.7 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01377/1.055, allocations: 6.388 MB / 0.948 GB, free: 114.6 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.91e-05/1.055, allocations: 7.594 kB / 0.948 GB, free: 114.6 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 0.02787/1.083, allocations: 10.95 MB / 0.9587 GB, free: 109.6 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.95e-05/1.083, allocations: 16.16 kB / 0.9587 GB, free: 109.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.497e-05/1.083, allocations: 30.66 kB / 0.9587 GB, free: 109.6 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0175/1.101, allocations: 5.486 MB / 0.9641 GB, free: 107 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004291/1.105, allocations: 0.9863 MB / 0.965 GB, free: 106.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03459/1.14, allocations: 28.15 MB / 0.9925 GB, free: 80.08 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004787/1.144, allocations: 0.5535 MB / 0.9931 GB, free: 79.52 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005179/1.145, allocations: 155.9 kB / 0.9932 GB, free: 79.37 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006981/1.152, allocations: 3.96 MB / 0.9971 GB, free: 75.4 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005274/1.157, allocations: 3.52 MB / 1.001 GB, free: 71.51 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07811/1.235, allocations: 24.55 MB / 1.024 GB, free: 46.48 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.623e-05/1.235, allocations: 8 kB / 1.024 GB, free: 46.47 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 0.02276/1.258, allocations: 10.5 MB / 1.035 GB, free: 35.83 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.561e-05/1.258, allocations: 18.97 kB / 1.035 GB, free: 35.81 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.063e-05/1.258, allocations: 28 kB / 1.035 GB, free: 35.79 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01352/1.272, allocations: 4.247 MB / 1.039 GB, free: 31.53 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004454/1.276, allocations: 1.03 MB / 1.04 GB, free: 30.5 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02822/1.305, allocations: 27.13 MB / 1.066 GB, free: 2.68 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004831/1.31, allocations: 0.5346 MB / 1.067 GB, free: 2.145 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004354/1.31, allocations: 148 kB / 1.067 GB, free: 2 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 0.001033/1.311, allocations: 403.5 kB / 1.067 GB, free: 1.602 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005664/1.312, allocations: 197.7 kB / 1.068 GB, free: 1.406 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 0.02659/1.338, allocations: 10.17 MB / 1.078 GB, free: 7.16 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.793e-05/1.338, allocations: 28 kB / 1.078 GB, free: 7.133 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.512e-05/1.338, allocations: 16 kB / 1.078 GB, free: 7.117 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.066e-05/1.338, allocations: 15.95 kB / 1.078 GB, free: 7.102 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 0.03654/1.375, allocations: 16.29 MB / 1.094 GB, free: 6.637 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.097e-05/1.375, allocations: 8 kB / 1.094 GB, free: 6.629 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003564/1.379, allocations: 0.745 MB / 1.094 GB, free: 5.883 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01801/1.397, allocations: 5.095 MB / 1.099 GB, free: 0.7734 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005684/1.397, allocations: 75.89 kB / 1.099 GB, free: 0.6992 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0525/1.45, allocations: 27.19 MB / 1.126 GB, free: 5.035 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.561e-05/1.45, allocations: 12.03 kB / 1.126 GB, free: 5.023 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 0.03937/1.489, allocations: 10.13 MB / 1.136 GB, free: 10.63 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002588/1.492, allocations: 0.7171 MB / 1.137 GB, free: 9.895 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001133/1.493, allocations: 59.98 kB / 1.137 GB, free: 9.836 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005096/1.498, allocations: 0.5046 MB / 1.137 GB, free: 9.336 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001036/1.499, allocations: 226.3 kB / 1.137 GB, free: 9.117 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004048/1.5, allocations: 95.95 kB / 1.137 GB, free: 9.023 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001752/1.501, allocations: 0.9776 MB / 1.138 GB, free: 8.043 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.71e-07/1.501, allocations: 4 kB / 1.138 GB, free: 8.039 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.008301/1.51, allocations: 1.836 MB / 1.14 GB, free: 6.203 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 0.0007281/1.51, allocations: 187 kB / 1.14 GB, free: 6.016 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03011/1.541, allocations: 12.41 MB / 1.152 GB, free: 9.504 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.44e-05/1.541, allocations: 7.938 kB / 1.152 GB, free: 9.496 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01064/1.551, allocations: 4.394 MB / 1.157 GB, free: 5.062 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002357/1.554, allocations: 289.3 kB / 1.157 GB, free: 4.789 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02623/1.58, allocations: 9.471 MB / 1.166 GB, free: 11.2 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003431/1.583, allocations: 2.852 MB / 1.169 GB, free: 8.316 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.004461/1.588, allocations: 1.643 MB / 1.171 GB, free: 6.684 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000664/1.588, allocations: 167.3 kB / 1.171 GB, free: 6.52 MB / 0.8419 GB Notification: Performance of SimCode: time 7.21e-07/1.588, allocations: 4 kB / 1.171 GB, free: 6.516 MB / 0.8419 GB Notification: Performance of Templates: time 0.1147/1.703, allocations: 77.76 MB / 1.247 GB, free: 8.973 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)