Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001334/0.001334, allocations: 103.9 kB / 16.94 MB, free: 6.191 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001367/0.001367, allocations: 189.3 kB / 17.86 MB, free: 5.293 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.4/1.4, allocations: 222.9 MB / 241.6 MB, free: 15.23 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8116/0.8116, allocations: 125.4 MB / 417.1 MB, free: 13.56 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001974/0.001974, allocations: 71.88 kB / 0.4948 GB, free: 4.324 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3815/0.3835, allocations: 78.55 MB / 0.5715 GB, free: 31.71 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02003/0.4036, allocations: 18.25 MB / 0.5894 GB, free: 18.8 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01125/0.4148, allocations: 6.814 MB / 0.596 GB, free: 13.45 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00234/0.4172, allocations: 57.41 kB / 0.5961 GB, free: 13.44 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003991/0.4212, allocations: 1.469 MB / 0.5975 GB, free: 12.29 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004282/0.4255, allocations: 1.432 MB / 0.5989 GB, free: 11.16 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003673/0.4292, allocations: 1.268 MB / 0.6001 GB, free: 10.17 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.005691/0.435, allocations: 5.477 MB / 0.6055 GB, free: 4.832 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008325/0.4433, allocations: 7.235 MB / 0.6126 GB, free: 13.54 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004543/0.4479, allocations: 2.361 MB / 0.6149 GB, free: 11.17 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005642/0.4536, allocations: 2.964 MB / 0.6178 GB, free: 8.199 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001695/0.4553, allocations: 0.5156 MB / 0.6183 GB, free: 7.684 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003335/0.4587, allocations: 1.268 MB / 0.6195 GB, free: 6.414 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003383/0.4621, allocations: 2.25 MB / 0.6217 GB, free: 4.16 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003807/0.4659, allocations: 2.183 MB / 0.6238 GB, free: 1.969 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01097/0.4769, allocations: 7.74 MB / 0.6314 GB, free: 10.21 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.042e-06/0.4769, allocations: 0 / 0.6314 GB, free: 10.21 MB / 478.1 MB Notification: Performance of FrontEnd: time 2.083e-06/0.4769, allocations: 0 / 0.6314 GB, free: 10.21 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0002243/0.4772, allocations: 0 / 0.6314 GB, free: 10.21 MB / 478.1 MB 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 0.01099/0.4882, allocations: 3.825 MB / 0.6351 GB, free: 6.324 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.353e-05/0.4882, allocations: 8.031 kB / 0.6351 GB, free: 6.316 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01385/0.5021, allocations: 2.419 MB / 0.6375 GB, free: 3.891 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005368/0.5075, allocations: 2.167 MB / 0.6396 GB, free: 1.68 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002809/0.5078, allocations: 267.5 kB / 0.6399 GB, free: 1.418 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001286/0.5091, allocations: 347.9 kB / 0.6402 GB, free: 1.078 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01796/0.5271, allocations: 7.163 MB / 0.6472 GB, free: 9.812 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.31e-05/0.5272, allocations: 7.938 kB / 0.6472 GB, free: 9.805 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007182/0.5279, allocations: 148 kB / 0.6473 GB, free: 9.66 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005378/0.5285, allocations: 338.1 kB / 0.6477 GB, free: 9.328 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01876/0.5472, allocations: 7.048 MB / 0.6545 GB, free: 2.27 MB / 494.1 MB 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 0.04038/0.5877, allocations: 26.74 MB / 0.6807 GB, free: 5.336 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009473/0.5972, allocations: 4.983 MB / 0.6855 GB, free: 52 kB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006754/0.604, allocations: 2.596 MB / 0.6881 GB, free: 13.43 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003439/0.6044, allocations: 135 kB / 0.6882 GB, free: 13.29 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.17e-05/0.6044, allocations: 60.5 kB / 0.6882 GB, free: 13.21 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=208): time 3.878e-06/0.6044, allocations: 0 / 0.6882 GB, free: 13.21 MB / 0.5294 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 0.1122/0.7167, allocations: 30.97 MB / 0.7185 GB, free: 14.16 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001965/0.7169, allocations: 239.6 kB / 0.7187 GB, free: 13.88 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002429/0.7193, allocations: 1.469 MB / 0.7202 GB, free: 12.4 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005656/0.7199, allocations: 65.7 kB / 0.7202 GB, free: 12.33 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001155/0.7211, allocations: 1.501 MB / 0.7217 GB, free: 10.81 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001196/0.7223, allocations: 0.9204 MB / 0.7226 GB, free: 9.879 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001185/0.7235, allocations: 0.6357 MB / 0.7232 GB, free: 9.234 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001374/0.7236, allocations: 305.1 kB / 0.7235 GB, free: 8.934 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006418/0.7301, allocations: 2.686 MB / 0.7261 GB, free: 6.238 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007288/0.7374, allocations: 3.567 MB / 0.7296 GB, free: 2.289 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0139/0.7513, allocations: 6.395 MB / 0.7358 GB, free: 11.5 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.376e-05/0.7514, allocations: 8 kB / 0.7359 GB, free: 11.49 MB / 0.5762 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 0.03106/0.7824, allocations: 11.03 MB / 0.7466 GB, free: 368 kB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.838e-05/0.7825, allocations: 16 kB / 0.7466 GB, free: 352 kB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.489e-05/0.7826, allocations: 31.98 kB / 0.7467 GB, free: 320 kB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.3089/1.091, allocations: 5.555 MB / 0.7521 GB, free: 152.6 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004527/1.096, allocations: 0.9957 MB / 0.7531 GB, free: 152.5 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04023/1.136, allocations: 28.19 MB / 0.7806 GB, free: 137.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004624/1.141, allocations: 0.5662 MB / 0.7811 GB, free: 137.2 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004713/1.141, allocations: 155.4 kB / 0.7813 GB, free: 137.2 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006939/1.148, allocations: 3.984 MB / 0.7852 GB, free: 135 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005642/1.154, allocations: 3.532 MB / 0.7886 GB, free: 131.9 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08016/1.234, allocations: 24.66 MB / 0.8127 GB, free: 106.8 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.811e-05/1.234, allocations: 8 kB / 0.8127 GB, free: 106.8 MB / 0.5762 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 0.02489/1.259, allocations: 10.54 MB / 0.823 GB, free: 96.21 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.375e-05/1.259, allocations: 16 kB / 0.823 GB, free: 96.19 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.417e-05/1.259, allocations: 28 kB / 0.8231 GB, free: 96.16 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01474/1.274, allocations: 4.332 MB / 0.8273 GB, free: 91.81 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00451/1.279, allocations: 1.041 MB / 0.8283 GB, free: 90.77 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02849/1.307, allocations: 27.13 MB / 0.8548 GB, free: 62.98 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004433/1.312, allocations: 0.5538 MB / 0.8553 GB, free: 62.43 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004842/1.312, allocations: 151.9 kB / 0.8555 GB, free: 62.28 MB / 0.5762 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 0.0009098/1.313, allocations: 409.1 kB / 0.8559 GB, free: 61.89 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005778/1.314, allocations: 205.5 kB / 0.8561 GB, free: 61.69 MB / 0.5762 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 0.02473/1.338, allocations: 10.16 MB / 0.866 GB, free: 51.46 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.881e-05/1.338, allocations: 31.94 kB / 0.866 GB, free: 51.43 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.483e-05/1.338, allocations: 16 kB / 0.866 GB, free: 51.42 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.562e-05/1.339, allocations: 19.77 kB / 0.8661 GB, free: 51.4 MB / 0.5762 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 0.03255/1.371, allocations: 16.31 MB / 0.882 GB, free: 34.9 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.796e-05/1.371, allocations: 11.94 kB / 0.882 GB, free: 34.89 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003197/1.374, allocations: 0.7297 MB / 0.8827 GB, free: 34.16 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01688/1.391, allocations: 5.193 MB / 0.8878 GB, free: 28.95 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005243/1.392, allocations: 75.95 kB / 0.8879 GB, free: 28.88 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03193/1.424, allocations: 27.26 MB / 0.9145 GB, free: 1.129 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.875e-06/1.424, allocations: 16.02 kB / 0.9145 GB, free: 1.113 MB / 0.5762 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 0.0265/1.45, allocations: 10.1 MB / 0.9243 GB, free: 6.781 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00177/1.452, allocations: 0.7197 MB / 0.9251 GB, free: 6.043 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005074/1.453, allocations: 55.98 kB / 0.9251 GB, free: 5.988 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003637/1.456, allocations: 0.507 MB / 0.9256 GB, free: 5.48 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000764/1.457, allocations: 226.3 kB / 0.9258 GB, free: 5.258 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002451/1.457, allocations: 95.95 kB / 0.9259 GB, free: 5.164 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001612/1.459, allocations: 1.005 MB / 0.9269 GB, free: 4.156 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.8e-07/1.459, allocations: 0 / 0.9269 GB, free: 4.156 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.005964/1.465, allocations: 1.854 MB / 0.9287 GB, free: 2.305 MB / 0.5919 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 0.0004613/1.465, allocations: 180.2 kB / 0.9289 GB, free: 2.125 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.03535/1.501, allocations: 14.4 MB / 0.9429 GB, free: 3.637 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 1.711e-05/1.501, allocations: 4 kB / 0.9429 GB, free: 3.633 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.01163/1.512, allocations: 4.413 MB / 0.9472 GB, free: 15.2 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002225/1.515, allocations: 298.9 kB / 0.9475 GB, free: 14.91 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0257/1.54, allocations: 10.12 MB / 0.9574 GB, free: 4.66 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003619/1.544, allocations: 2.916 MB / 0.9603 GB, free: 1.707 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001109/1.545, allocations: 215.3 kB / 0.9605 GB, free: 1.496 MB / 0.6231 GB Notification: Performance of SimCode: time 6.11e-07/1.545, allocations: 0 / 0.9605 GB, free: 1.496 MB / 0.6231 GB Notification: Performance of Templates: time 0.3411/1.886, allocations: 107.8 MB / 1.066 GB, free: 169.1 MB / 0.6544 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)