Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.191/2.191, allocations: 391.2 MB / 407 MB, free: 10.78 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001316/0.001316, allocations: 191.4 kB / 499.1 MB, free: 4.621 MB / 394.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.501/1.501, allocations: 222.9 MB / 0.7948 GB, free: 15.79 MB / 0.5573 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008673/0.0008673, allocations: 99.25 kB / 0.9329 GB, free: 7.043 MB / 0.6823 GB Notification: Performance of FrontEnd - loaded program: time 0.00106/0.00106, allocations: 53.34 kB / 1.081 GB, free: 218.2 MB / 0.823 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.217/0.218, allocations: 140.6 MB / 1.218 GB, free: 117.2 MB / 0.823 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01507/0.2332, allocations: 18.13 MB / 1.236 GB, free: 98.95 MB / 0.823 GB Notification: Performance of NFInst.instExpressions: time 0.008554/0.2418, allocations: 6.86 MB / 1.243 GB, free: 92.07 MB / 0.823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001353/0.2432, allocations: 43.88 kB / 1.243 GB, free: 92.02 MB / 0.823 GB Notification: Performance of NFTyping.typeComponents: time 0.002631/0.2458, allocations: 1.354 MB / 1.244 GB, free: 90.66 MB / 0.823 GB Notification: Performance of NFTyping.typeBindings: time 0.002298/0.2481, allocations: 1.331 MB / 1.245 GB, free: 89.33 MB / 0.823 GB Notification: Performance of NFTyping.typeClassSections: time 0.003052/0.2512, allocations: 1.181 MB / 1.246 GB, free: 88.15 MB / 0.823 GB Notification: Performance of NFFlatten.flatten: time 0.0054/0.2566, allocations: 8.542 MB / 1.255 GB, free: 79.59 MB / 0.823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007619/0.2642, allocations: 7.94 MB / 1.262 GB, free: 71.55 MB / 0.823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002832/0.2671, allocations: 2.001 MB / 1.264 GB, free: 69.55 MB / 0.823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003321/0.2704, allocations: 3.07 MB / 1.267 GB, free: 66.47 MB / 0.823 GB Notification: Performance of NFPackage.collectConstants: time 0.0006362/0.2711, allocations: 368 kB / 1.268 GB, free: 66.11 MB / 0.823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002046/0.2731, allocations: 1.311 MB / 1.269 GB, free: 64.8 MB / 0.823 GB Notification: Performance of NFScalarize.scalarize: time 0.001494/0.2746, allocations: 2.086 MB / 1.271 GB, free: 62.71 MB / 0.823 GB Notification: Performance of NFVerifyModel.verify: time 0.002444/0.2771, allocations: 2.022 MB / 1.273 GB, free: 60.68 MB / 0.823 GB Notification: Performance of NFConvertDAE.convert: time 0.005958/0.2831, allocations: 7.666 MB / 1.281 GB, free: 52.99 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 5.63e-06/0.2831, allocations: 0 / 1.281 GB, free: 52.99 MB / 0.823 GB Notification: Performance of FrontEnd: time 1.393e-06/0.2831, allocations: 0 / 1.281 GB, free: 52.99 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0001654/0.2833, allocations: 4 kB / 1.281 GB, free: 52.98 MB / 0.823 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 0.006915/0.2902, allocations: 3.819 MB / 1.284 GB, free: 49.11 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 4.321e-05/0.2903, allocations: 8.031 kB / 1.284 GB, free: 49.1 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01125/0.3015, allocations: 2.349 MB / 1.287 GB, free: 46.74 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005002/0.3065, allocations: 2.163 MB / 1.289 GB, free: 44.54 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001464/0.3067, allocations: 267.5 kB / 1.289 GB, free: 44.27 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000877/0.3076, allocations: 359.8 kB / 1.289 GB, free: 43.92 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01172/0.3193, allocations: 7.127 MB / 1.296 GB, free: 36.7 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.23e-05/0.3194, allocations: 7.984 kB / 1.296 GB, free: 36.69 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004064/0.3198, allocations: 144 kB / 1.296 GB, free: 36.55 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003494/0.3202, allocations: 338.1 kB / 1.297 GB, free: 36.21 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01306/0.3333, allocations: 7.005 MB / 1.304 GB, free: 29.2 MB / 0.823 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 0.02904/0.3624, allocations: 26.67 MB / 1.33 GB, free: 348 kB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008182/0.3706, allocations: 4.984 MB / 1.334 GB, free: 11.04 MB / 0.8386 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00587/0.3765, allocations: 2.608 MB / 1.337 GB, free: 8.414 MB / 0.8386 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002726/0.3768, allocations: 127 kB / 1.337 GB, free: 8.273 MB / 0.8386 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.438e-05/0.3768, allocations: 64.5 kB / 1.337 GB, free: 8.199 MB / 0.8386 GB Notification: Performance of pre-optimization done (n=208): time 4.208e-06/0.3769, allocations: 7.938 kB / 1.337 GB, free: 8.191 MB / 0.8386 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 0.1067/0.4836, allocations: 30.95 MB / 1.367 GB, free: 9.152 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001299/0.4838, allocations: 239.6 kB / 1.368 GB, free: 8.871 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002188/0.4859, allocations: 1.446 MB / 1.369 GB, free: 7.418 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.0005733/0.4865, allocations: 69.7 kB / 1.369 GB, free: 7.344 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009905/0.4875, allocations: 1.497 MB / 1.371 GB, free: 5.824 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001176/0.4887, allocations: 0.9242 MB / 1.371 GB, free: 4.887 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001175/0.4899, allocations: 0.6318 MB / 1.372 GB, free: 4.246 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.000104/0.49, allocations: 305.1 kB / 1.372 GB, free: 3.945 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005839/0.4959, allocations: 2.67 MB / 1.375 GB, free: 1.266 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007019/0.5029, allocations: 3.552 MB / 1.378 GB, free: 13.33 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01423/0.5172, allocations: 6.379 MB / 1.385 GB, free: 6.555 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.103e-05/0.5173, allocations: 8 kB / 1.385 GB, free: 6.547 MB / 0.8855 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 0.03007/0.5473, allocations: 10.98 MB / 1.395 GB, free: 11.46 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 3.474e-05/0.5474, allocations: 16 kB / 1.395 GB, free: 11.44 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.99e-05/0.5474, allocations: 28 kB / 1.395 GB, free: 11.41 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02062/0.5681, allocations: 5.469 MB / 1.401 GB, free: 5.93 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004511/0.5726, allocations: 0.9827 MB / 1.402 GB, free: 4.945 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5373/1.11, allocations: 25.75 MB / 1.427 GB, free: 178.9 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004478/1.114, allocations: 0.5479 MB / 1.427 GB, free: 178.9 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004979/1.115, allocations: 152.9 kB / 1.428 GB, free: 178.9 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008834/1.124, allocations: 3.961 MB / 1.431 GB, free: 178.8 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006642/1.131, allocations: 3.514 MB / 1.435 GB, free: 176.9 MB / 0.9167 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08764/1.218, allocations: 24.55 MB / 1.459 GB, free: 171.1 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.56e-05/1.218, allocations: 10.34 kB / 1.459 GB, free: 171.1 MB / 0.9167 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 0.02397/1.242, allocations: 10.5 MB / 1.469 GB, free: 164.6 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 3.406e-05/1.242, allocations: 16 kB / 1.469 GB, free: 164.6 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.283e-05/1.242, allocations: 24 kB / 1.469 GB, free: 164.5 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01404/1.256, allocations: 4.248 MB / 1.473 GB, free: 160.3 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004303/1.261, allocations: 1.03 MB / 1.474 GB, free: 159.3 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02661/1.287, allocations: 24.94 MB / 1.499 GB, free: 133.9 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004159/1.292, allocations: 0.5337 MB / 1.499 GB, free: 133.3 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003863/1.292, allocations: 151.9 kB / 1.499 GB, free: 133.2 MB / 0.9167 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 0.0008596/1.293, allocations: 392.3 kB / 1.5 GB, free: 132.8 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004859/1.293, allocations: 206.5 kB / 1.5 GB, free: 132.7 MB / 0.9167 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 0.02748/1.321, allocations: 10.17 MB / 1.51 GB, free: 122.5 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.731e-05/1.321, allocations: 31.03 kB / 1.51 GB, free: 122.4 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.838e-05/1.321, allocations: 12 kB / 1.51 GB, free: 122.4 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.382e-05/1.321, allocations: 15.95 kB / 1.51 GB, free: 122.4 MB / 0.9167 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 0.05659/1.378, allocations: 16.3 MB / 1.526 GB, free: 105.9 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.783e-05/1.378, allocations: 8 kB / 1.526 GB, free: 105.9 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005333/1.383, allocations: 0.7333 MB / 1.527 GB, free: 105.2 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.03032/1.413, allocations: 5.099 MB / 1.532 GB, free: 100.1 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007278/1.414, allocations: 79.95 kB / 1.532 GB, free: 100 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03462/1.449, allocations: 24.85 MB / 1.556 GB, free: 74.7 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.709e-06/1.449, allocations: 12.03 kB / 1.556 GB, free: 74.69 MB / 0.9167 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 0.02984/1.479, allocations: 14.42 MB / 1.57 GB, free: 59.97 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001725/1.481, allocations: 0.7264 MB / 1.571 GB, free: 59.23 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003755/1.481, allocations: 51.98 kB / 1.571 GB, free: 59.18 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00337/1.484, allocations: 0.507 MB / 1.571 GB, free: 58.67 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007853/1.485, allocations: 226.3 kB / 1.571 GB, free: 58.45 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000216/1.485, allocations: 95.95 kB / 1.572 GB, free: 58.36 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.001095/1.486, allocations: 0.9816 MB / 1.573 GB, free: 57.37 MB / 0.9167 GB Notification: Performance of sort global known variables: time 1.21e-07/1.486, allocations: 0 / 1.573 GB, free: 57.37 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.006253/1.493, allocations: 1.84 MB / 1.574 GB, free: 55.53 MB / 0.9167 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 0.0005149/1.493, allocations: 184.6 kB / 1.574 GB, free: 55.35 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.02621/1.519, allocations: 12.35 MB / 1.587 GB, free: 42.89 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 1.076e-05/1.52, allocations: 384 / 1.587 GB, free: 42.89 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.009933/1.529, allocations: 4.402 MB / 1.591 GB, free: 38.45 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002242/1.532, allocations: 284.1 kB / 1.591 GB, free: 38.18 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02428/1.556, allocations: 12.55 MB / 1.603 GB, free: 25.5 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003285/1.559, allocations: 2.935 MB / 1.606 GB, free: 22.54 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 0.004773/1.564, allocations: 1.647 MB / 1.608 GB, free: 20.89 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006289/1.565, allocations: 171.3 kB / 1.608 GB, free: 20.72 MB / 0.9167 GB Notification: Performance of SimCode: time 6.71e-07/1.565, allocations: 0 / 1.608 GB, free: 20.72 MB / 0.9167 GB Notification: Performance of Templates: time 0.1123/1.677, allocations: 78 MB / 1.684 GB, free: 6.891 MB / 0.9792 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)