Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001571/0.001571, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001788/0.001788, allocations: 192.6 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.408/1.408, allocations: 222.9 MB / 239.8 MB, free: 4.629 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.862/2.862, allocations: 472.6 MB / 0.7447 GB, free: 4.949 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001999/0.001999, allocations: 66.23 kB / 0.9114 GB, free: 33.6 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3408/0.3429, allocations: 159.9 MB / 1.068 GB, free: 10.88 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02197/0.3649, allocations: 18.07 MB / 1.085 GB, free: 8.746 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01356/0.3785, allocations: 6.851 MB / 1.092 GB, free: 1.879 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002124/0.3806, allocations: 43.88 kB / 1.092 GB, free: 1.836 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003929/0.3846, allocations: 1.349 MB / 1.093 GB, free: 496 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004164/0.3888, allocations: 1.347 MB / 1.095 GB, free: 15.13 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.003679/0.3925, allocations: 1.154 MB / 1.096 GB, free: 13.98 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.009615/0.4021, allocations: 8.499 MB / 1.104 GB, free: 5.461 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01435/0.4165, allocations: 7.895 MB / 1.112 GB, free: 13.46 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004657/0.4212, allocations: 1.978 MB / 1.114 GB, free: 11.48 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005931/0.4271, allocations: 3.05 MB / 1.117 GB, free: 8.422 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.001844/0.429, allocations: 368 kB / 1.117 GB, free: 8.062 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003934/0.433, allocations: 1.287 MB / 1.118 GB, free: 6.773 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.003696/0.4367, allocations: 2.082 MB / 1.12 GB, free: 4.688 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.003358/0.44, allocations: 2.007 MB / 1.122 GB, free: 2.672 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.009163/0.4492, allocations: 7.619 MB / 1.13 GB, free: 11.03 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 8.957e-06/0.4492, allocations: 3.984 kB / 1.13 GB, free: 11.03 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.405e-06/0.4493, allocations: 0 / 1.13 GB, free: 11.03 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002302/0.4495, allocations: 0 / 1.13 GB, free: 11.03 MB / 0.8887 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01049/0.46, allocations: 3.788 MB / 1.133 GB, free: 7.18 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.72e-05/0.4601, allocations: 8.031 kB / 1.133 GB, free: 7.172 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01292/0.473, allocations: 2.395 MB / 1.136 GB, free: 4.77 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005352/0.4784, allocations: 2.159 MB / 1.138 GB, free: 2.566 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002075/0.4786, allocations: 263.4 kB / 1.138 GB, free: 2.309 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008509/0.4795, allocations: 351.9 kB / 1.138 GB, free: 1.965 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01565/0.4951, allocations: 7.122 MB / 1.145 GB, free: 10.74 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.793e-05/0.4952, allocations: 11.78 kB / 1.145 GB, free: 10.73 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004851/0.4957, allocations: 148 kB / 1.145 GB, free: 10.58 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00048/0.4962, allocations: 334 kB / 1.146 GB, free: 10.25 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0162/0.5124, allocations: 7.028 MB / 1.153 GB, free: 3.215 MB / 0.9044 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 0.0414/0.5539, allocations: 26.61 MB / 1.179 GB, free: 6.426 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009173/0.5631, allocations: 4.998 MB / 1.184 GB, free: 1.121 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00608/0.5692, allocations: 2.6 MB / 1.186 GB, free: 14.5 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003723/0.5696, allocations: 135 kB / 1.186 GB, free: 14.35 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.239e-05/0.5697, allocations: 64.44 kB / 1.186 GB, free: 14.28 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=208): time 4.258e-06/0.5697, allocations: 0 / 1.186 GB, free: 14.28 MB / 0.9512 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 0.1107/0.6804, allocations: 30.9 MB / 1.216 GB, free: 15.3 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001608/0.6805, allocations: 239.6 kB / 1.217 GB, free: 15.02 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002567/0.6831, allocations: 1.427 MB / 1.218 GB, free: 13.59 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0004692/0.6836, allocations: 65.7 kB / 1.218 GB, free: 13.52 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.00111/0.6847, allocations: 1.489 MB / 1.22 GB, free: 12 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001322/0.6861, allocations: 0.9243 MB / 1.22 GB, free: 11.07 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001577/0.6877, allocations: 0.6318 MB / 1.221 GB, free: 10.43 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001087/0.6878, allocations: 301.1 kB / 1.221 GB, free: 10.13 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006277/0.6941, allocations: 2.69 MB / 1.224 GB, free: 7.43 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007166/0.7013, allocations: 3.575 MB / 1.228 GB, free: 3.477 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01344/0.7147, allocations: 6.402 MB / 1.234 GB, free: 12.68 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.952e-05/0.7148, allocations: 12 kB / 1.234 GB, free: 12.66 MB / 0.9981 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 0.03012/0.7449, allocations: 11.02 MB / 1.245 GB, free: 1.531 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.178e-05/0.745, allocations: 16 kB / 1.245 GB, free: 1.516 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.273e-05/0.745, allocations: 28 kB / 1.245 GB, free: 1.488 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.628/1.373, allocations: 5.537 MB / 1.25 GB, free: 164.5 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004927/1.378, allocations: 0.9946 MB / 1.251 GB, free: 164.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04282/1.421, allocations: 25.79 MB / 1.276 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004653/1.426, allocations: 0.5728 MB / 1.277 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007789/1.426, allocations: 150 kB / 1.277 GB, free: 153.6 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008586/1.435, allocations: 3.985 MB / 1.281 GB, free: 152.3 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007952/1.443, allocations: 3.533 MB / 1.284 GB, free: 150.4 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08691/1.53, allocations: 24.63 MB / 1.308 GB, free: 140.1 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.567e-05/1.53, allocations: 7 kB / 1.308 GB, free: 140.1 MB / 0.9981 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 0.02406/1.554, allocations: 10.53 MB / 1.319 GB, free: 129.7 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.484e-05/1.554, allocations: 17.88 kB / 1.319 GB, free: 129.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.65e-05/1.554, allocations: 28 kB / 1.319 GB, free: 129.7 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01445/1.569, allocations: 4.327 MB / 1.323 GB, free: 125.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00452/1.573, allocations: 1.041 MB / 1.324 GB, free: 124.3 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0275/1.601, allocations: 24.93 MB / 1.348 GB, free: 98.77 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004458/1.605, allocations: 0.5613 MB / 1.349 GB, free: 98.21 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006862/1.606, allocations: 151.9 kB / 1.349 GB, free: 98.06 MB / 0.9981 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 0.001363/1.607, allocations: 391.8 kB / 1.349 GB, free: 97.69 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008093/1.608, allocations: 209.4 kB / 1.349 GB, free: 97.48 MB / 0.9981 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 0.02359/1.632, allocations: 10.16 MB / 1.359 GB, free: 87.25 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.203e-05/1.632, allocations: 28 kB / 1.359 GB, free: 87.22 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.048e-05/1.632, allocations: 12 kB / 1.359 GB, free: 87.21 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.977e-05/1.632, allocations: 15.94 kB / 1.359 GB, free: 87.2 MB / 0.9981 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 0.03281/1.665, allocations: 16.3 MB / 1.375 GB, free: 70.73 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.004e-05/1.665, allocations: 8.969 kB / 1.375 GB, free: 70.72 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003173/1.668, allocations: 0.7333 MB / 1.376 GB, free: 69.98 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.017/1.685, allocations: 5.177 MB / 1.381 GB, free: 64.79 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007131/1.686, allocations: 75.95 kB / 1.381 GB, free: 64.72 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0335/1.719, allocations: 24.88 MB / 1.405 GB, free: 39.38 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.997e-06/1.719, allocations: 15.97 kB / 1.405 GB, free: 39.36 MB / 0.9981 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 0.02292/1.742, allocations: 10.09 MB / 1.415 GB, free: 29.03 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001657/1.744, allocations: 0.7202 MB / 1.416 GB, free: 28.29 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008512/1.745, allocations: 55.98 kB / 1.416 GB, free: 28.24 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003734/1.749, allocations: 0.5109 MB / 1.417 GB, free: 27.73 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001007/1.75, allocations: 226.8 kB / 1.417 GB, free: 27.5 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003716/1.75, allocations: 87.95 kB / 1.417 GB, free: 27.42 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001586/1.752, allocations: 0.9723 MB / 1.418 GB, free: 26.44 MB / 0.9981 GB Notification: Performance of sort global known variables: time 4.41e-07/1.752, allocations: 0 / 1.418 GB, free: 26.44 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.008059/1.76, allocations: 1.848 MB / 1.42 GB, free: 24.59 MB / 0.9981 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 0.0006354/1.76, allocations: 183.8 kB / 1.42 GB, free: 24.41 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02696/1.787, allocations: 12.4 MB / 1.432 GB, free: 11.9 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.445e-05/1.787, allocations: 0 / 1.432 GB, free: 11.9 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009556/1.797, allocations: 4.413 MB / 1.436 GB, free: 7.453 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00277/1.8, allocations: 256.6 kB / 1.436 GB, free: 7.199 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02244/1.822, allocations: 10.57 MB / 1.447 GB, free: 12.52 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0044/1.827, allocations: 2.833 MB / 1.45 GB, free: 9.656 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.006127/1.833, allocations: 1.656 MB / 1.451 GB, free: 7.996 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009243/1.834, allocations: 171.3 kB / 1.451 GB, free: 7.828 MB / 1.014 GB Notification: Performance of SimCode: time 6.71e-07/1.834, allocations: 0 / 1.451 GB, free: 7.828 MB / 1.014 GB Notification: Performance of Templates: time 0.1187/1.952, allocations: 74.99 MB / 1.525 GB, free: 13 MB / 1.092 GB make -j1 -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)