Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001368/0.001368, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001657/0.001657, allocations: 194.7 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.445/1.445, allocations: 205.1 MB / 222 MB, free: 4.973 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 1.73/1.73, allocations: 292.2 MB / 0.5484 GB, free: 13.67 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 0.001381/0.001382, allocations: 77.19 kB / 0.6708 GB, free: 26.61 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.227/0.2284, allocations: 114.5 MB / 0.7827 GB, free: 13.98 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01958/0.248, allocations: 18.13 MB / 0.8004 GB, free: 11.78 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01026/0.2583, allocations: 6.9 MB / 0.8071 GB, free: 4.859 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001485/0.2598, allocations: 47.81 kB / 0.8072 GB, free: 4.812 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003321/0.2632, allocations: 1.357 MB / 0.8085 GB, free: 3.453 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003184/0.2664, allocations: 1.335 MB / 0.8098 GB, free: 2.113 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002907/0.2693, allocations: 1.178 MB / 0.811 GB, free: 0.9336 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.007293/0.2766, allocations: 8.51 MB / 0.8193 GB, free: 8.406 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009599/0.2863, allocations: 7.934 MB / 0.827 GB, free: 380 kB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00298/0.2892, allocations: 1.99 MB / 0.829 GB, free: 14.37 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004144/0.2934, allocations: 3.062 MB / 0.832 GB, free: 11.3 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0007064/0.2941, allocations: 368 kB / 0.8323 GB, free: 10.94 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002499/0.2966, allocations: 1.299 MB / 0.8336 GB, free: 9.645 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.001871/0.2985, allocations: 2.093 MB / 0.8356 GB, free: 7.547 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.002104/0.3006, allocations: 2.019 MB / 0.8376 GB, free: 5.52 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006054/0.3067, allocations: 7.666 MB / 0.8451 GB, free: 13.83 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.029e-06/0.3067, allocations: 7.984 kB / 0.8451 GB, free: 13.82 MB / 0.67 GB Notification: Performance of FrontEnd: time 8.51e-07/0.3067, allocations: 0 / 0.8451 GB, free: 13.82 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001454/0.3069, allocations: 0 / 0.8451 GB, free: 13.82 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 0.008423/0.3153, allocations: 3.823 MB / 0.8488 GB, free: 9.941 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 3.531e-05/0.3154, allocations: 8.031 kB / 0.8488 GB, free: 9.934 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01161/0.327, allocations: 2.349 MB / 0.8511 GB, free: 7.578 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004942/0.332, allocations: 2.163 MB / 0.8532 GB, free: 5.371 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002348/0.3322, allocations: 267.5 kB / 0.8535 GB, free: 5.109 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001201/0.3334, allocations: 351.9 kB / 0.8538 GB, free: 4.766 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01301/0.3465, allocations: 7.124 MB / 0.8608 GB, free: 13.54 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.762e-05/0.3466, allocations: 7.984 kB / 0.8608 GB, free: 13.54 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004137/0.347, allocations: 147.9 kB / 0.8609 GB, free: 13.39 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004213/0.3474, allocations: 334.1 kB / 0.8613 GB, free: 13.06 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01489/0.3623, allocations: 7.008 MB / 0.8681 GB, free: 6.039 MB / 0.6856 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03054/0.3929, allocations: 26.68 MB / 0.8942 GB, free: 9.176 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007629/0.4005, allocations: 4.98 MB / 0.899 GB, free: 3.887 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005482/0.4061, allocations: 2.608 MB / 0.9016 GB, free: 1.262 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002446/0.4063, allocations: 131 kB / 0.9017 GB, free: 1.117 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.57e-05/0.4064, allocations: 60.5 kB / 0.9017 GB, free: 1.047 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.918e-06/0.4064, allocations: 0 / 0.9017 GB, free: 1.047 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.conv1.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.conv1.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 0.6425/1.049, allocations: 30.96 MB / 0.932 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001248/1.049, allocations: 241.2 kB / 0.9322 GB, free: 124.2 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002702/1.052, allocations: 1.443 MB / 0.9336 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006831/1.053, allocations: 66.08 kB / 0.9337 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001086/1.054, allocations: 1.5 MB / 0.9351 GB, free: 122.4 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001377/1.055, allocations: 0.9181 MB / 0.936 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001376/1.056, allocations: 0.6331 MB / 0.9367 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.65e-05/1.056, allocations: 302.8 kB / 0.9369 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006739/1.063, allocations: 2.671 MB / 0.9396 GB, free: 120.3 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006937/1.07, allocations: 3.552 MB / 0.943 GB, free: 118.4 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01263/1.083, allocations: 6.385 MB / 0.9493 GB, free: 115.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.224e-05/1.083, allocations: 7.438 kB / 0.9493 GB, free: 115.4 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.conv1.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.conv1.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 0.02937/1.112, allocations: 10.99 MB / 0.96 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 9.536e-05/1.112, allocations: 18.31 kB / 0.96 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.539e-05/1.112, allocations: 26.28 kB / 0.96 GB, free: 109.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01867/1.131, allocations: 5.455 MB / 0.9654 GB, free: 107.4 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004299/1.136, allocations: 0.9853 MB / 0.9663 GB, free: 107 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03738/1.173, allocations: 25.76 MB / 0.9915 GB, free: 81.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00485/1.178, allocations: 0.5613 MB / 0.992 GB, free: 80.63 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009436/1.179, allocations: 151.9 kB / 0.9922 GB, free: 80.48 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008728/1.188, allocations: 3.964 MB / 0.9961 GB, free: 76.51 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005956/1.194, allocations: 3.513 MB / 0.9995 GB, free: 72.62 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08183/1.275, allocations: 24.56 MB / 1.023 GB, free: 47.6 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.044e-05/1.276, allocations: 8 kB / 1.023 GB, free: 47.59 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv3.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.conv3.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 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.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] ; 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_n[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 0.0262/1.302, allocations: 10.48 MB / 1.034 GB, free: 36.96 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.231e-05/1.302, allocations: 23 kB / 1.034 GB, free: 36.95 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.166e-05/1.302, allocations: 33.2 kB / 1.034 GB, free: 36.91 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01425/1.316, allocations: 4.242 MB / 1.038 GB, free: 32.66 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004347/1.321, allocations: 1.031 MB / 1.039 GB, free: 31.63 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03006/1.351, allocations: 24.95 MB / 1.063 GB, free: 6.008 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004503/1.355, allocations: 0.5342 MB / 1.064 GB, free: 5.473 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008076/1.356, allocations: 147.9 kB / 1.064 GB, free: 5.328 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.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[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 0.001634/1.358, allocations: 407.2 kB / 1.064 GB, free: 4.922 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001003/1.359, allocations: 201.6 kB / 1.065 GB, free: 4.723 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.conv1.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.conv1.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 postOpt wrapFunctionCalls (simulation): time 0.02728/1.386, allocations: 10.17 MB / 1.074 GB, free: 10.48 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.305e-05/1.386, allocations: 28 kB / 1.074 GB, free: 10.45 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.389e-05/1.386, allocations: 15.94 kB / 1.074 GB, free: 10.44 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.771e-05/1.386, allocations: 15.94 kB / 1.075 GB, free: 10.42 MB / 0.7481 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : 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] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : 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] [ -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.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -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.conv1.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] ] 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 0.04321/1.429, allocations: 16.3 MB / 1.09 GB, free: 9.949 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.115e-05/1.43, allocations: 8 kB / 1.09 GB, free: 9.941 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00379/1.433, allocations: 0.7378 MB / 1.091 GB, free: 9.203 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01932/1.453, allocations: 5.095 MB / 1.096 GB, free: 4.094 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008101/1.454, allocations: 75.95 kB / 1.096 GB, free: 4.02 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04148/1.495, allocations: 24.86 MB / 1.12 GB, free: 10.7 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.958e-05/1.495, allocations: 12.03 kB / 1.12 GB, free: 10.69 MB / 0.795 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.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] ; 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_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02796/1.523, allocations: 10.1 MB / 1.13 GB, free: 356 kB / 0.795 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002724/1.526, allocations: 0.7171 MB / 1.131 GB, free: 15.61 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00138/1.527, allocations: 60 kB / 1.131 GB, free: 15.55 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004147/1.531, allocations: 0.5031 MB / 1.132 GB, free: 15.05 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001251/1.533, allocations: 230.3 kB / 1.132 GB, free: 14.82 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005369/1.533, allocations: 91.95 kB / 1.132 GB, free: 14.73 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.00202/1.535, allocations: 0.9816 MB / 1.133 GB, free: 13.75 MB / 0.8106 GB Notification: Performance of sort global known variables: time 2.3e-07/1.535, allocations: 0 / 1.133 GB, free: 13.75 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.01134/1.547, allocations: 1.84 MB / 1.135 GB, free: 11.91 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 0.0007849/1.548, allocations: 185.7 kB / 1.135 GB, free: 11.72 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03227/1.58, allocations: 12.35 MB / 1.147 GB, free: 15.27 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 3.076e-05/1.58, allocations: 7.938 kB / 1.147 GB, free: 15.27 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01197/1.592, allocations: 4.406 MB / 1.151 GB, free: 10.82 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003974/1.596, allocations: 271.6 kB / 1.151 GB, free: 10.55 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03238/1.628, allocations: 11.12 MB / 1.162 GB, free: 15.31 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004049/1.632, allocations: 2.853 MB / 1.165 GB, free: 12.42 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.005469/1.638, allocations: 1.649 MB / 1.167 GB, free: 10.77 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006984/1.639, allocations: 167.3 kB / 1.167 GB, free: 10.61 MB / 0.8419 GB Notification: Performance of SimCode: time 1.543e-06/1.639, allocations: 4 kB / 1.167 GB, free: 10.61 MB / 0.8419 GB Notification: Performance of Templates: time 0.1256/1.764, allocations: 75.12 MB / 1.24 GB, free: 15.68 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)