Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001146/0.001146, allocations: 108 kB / 17.03 MB, free: 5.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001212/0.001212, allocations: 190.9 kB / 17.97 MB, free: 5.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.377/1.377, allocations: 222.9 MB / 241.7 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7242/0.7242, allocations: 115.1 MB / 406.9 MB, free: 6.355 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001482/0.001482, allocations: 63.91 kB / 494.8 MB, free: 15.83 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3423/0.3438, allocations: 76.14 MB / 0.5576 GB, free: 36.59 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01927/0.3631, allocations: 18.16 MB / 0.5753 GB, free: 24.54 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01093/0.374, allocations: 6.793 MB / 0.582 GB, free: 19.94 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002012/0.3761, allocations: 56.28 kB / 0.582 GB, free: 19.93 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003833/0.3799, allocations: 1.455 MB / 0.5834 GB, free: 19.07 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004422/0.3844, allocations: 1.398 MB / 0.5848 GB, free: 18.29 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003693/0.3881, allocations: 1.284 MB / 0.5861 GB, free: 17.61 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.00662/0.3947, allocations: 5.444 MB / 0.5914 GB, free: 14.95 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007785/0.4025, allocations: 7.074 MB / 0.5983 GB, free: 10.76 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003663/0.4062, allocations: 2.353 MB / 0.6006 GB, free: 8.398 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004154/0.4104, allocations: 2.953 MB / 0.6035 GB, free: 5.438 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001076/0.4115, allocations: 0.5156 MB / 0.604 GB, free: 4.922 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002473/0.414, allocations: 1.256 MB / 0.6052 GB, free: 3.664 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001815/0.4158, allocations: 2.226 MB / 0.6074 GB, free: 1.434 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002493/0.4183, allocations: 2.175 MB / 0.6095 GB, free: 15.24 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008004/0.4263, allocations: 7.721 MB / 0.617 GB, free: 7.504 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.59e-06/0.4264, allocations: 0 / 0.617 GB, free: 7.504 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.024e-06/0.4264, allocations: 0 / 0.617 GB, free: 7.504 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0001771/0.4266, allocations: 0 / 0.617 GB, free: 7.504 MB / 462.1 MB 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 0.00862/0.4352, allocations: 3.784 MB / 0.6207 GB, free: 3.66 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.657e-05/0.4353, allocations: 8.031 kB / 0.6207 GB, free: 3.652 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01177/0.447, allocations: 2.333 MB / 0.623 GB, free: 1.312 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005603/0.4527, allocations: 2.182 MB / 0.6251 GB, free: 15.09 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001926/0.4529, allocations: 263.4 kB / 0.6254 GB, free: 14.83 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009146/0.4538, allocations: 351.9 kB / 0.6257 GB, free: 14.48 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01356/0.4674, allocations: 7.099 MB / 0.6327 GB, free: 7.281 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.121e-05/0.4675, allocations: 7.906 kB / 0.6327 GB, free: 7.273 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004234/0.4679, allocations: 148 kB / 0.6328 GB, free: 7.129 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004305/0.4683, allocations: 334 kB / 0.6331 GB, free: 6.801 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01497/0.4833, allocations: 6.985 MB / 0.64 GB, free: 15.8 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 0.03315/0.5165, allocations: 26.37 MB / 0.6657 GB, free: 3.262 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008139/0.5247, allocations: 4.987 MB / 0.6706 GB, free: 13.97 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005694/0.5304, allocations: 2.596 MB / 0.6731 GB, free: 11.35 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002738/0.5307, allocations: 131 kB / 0.6732 GB, free: 11.21 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.161e-05/0.5308, allocations: 72.48 kB / 0.6733 GB, free: 11.12 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 3.757e-06/0.5308, allocations: 0 / 0.6733 GB, free: 11.12 MB / 0.5137 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 0.1032/0.634, allocations: 30.9 MB / 0.7035 GB, free: 12.14 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001314/0.6342, allocations: 239.6 kB / 0.7037 GB, free: 11.86 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002245/0.6364, allocations: 1.408 MB / 0.7051 GB, free: 10.45 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0005011/0.6369, allocations: 65.7 kB / 0.7051 GB, free: 10.38 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009918/0.6379, allocations: 1.482 MB / 0.7066 GB, free: 8.871 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001122/0.6391, allocations: 0.9203 MB / 0.7075 GB, free: 7.938 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00156/0.6406, allocations: 0.6279 MB / 0.7081 GB, free: 7.301 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 9.99e-05/0.6408, allocations: 301.1 kB / 0.7084 GB, free: 7.004 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00597/0.6467, allocations: 2.67 MB / 0.711 GB, free: 4.324 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006716/0.6535, allocations: 3.556 MB / 0.7145 GB, free: 396 kB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01246/0.6659, allocations: 6.379 MB / 0.7207 GB, free: 9.609 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.269e-05/0.666, allocations: 12 kB / 0.7207 GB, free: 9.598 MB / 0.5606 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 0.02849/0.6945, allocations: 10.99 MB / 0.7314 GB, free: 14.5 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.892e-05/0.6946, allocations: 16 kB / 0.7315 GB, free: 14.48 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.317e-05/0.6947, allocations: 24 kB / 0.7315 GB, free: 14.46 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02027/0.7149, allocations: 5.462 MB / 0.7368 GB, free: 8.98 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004386/0.7194, allocations: 0.9828 MB / 0.7378 GB, free: 7.996 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3174/1.037, allocations: 28.13 MB / 0.7652 GB, free: 144.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004325/1.041, allocations: 0.5576 MB / 0.7658 GB, free: 144.2 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005097/1.042, allocations: 150.9 kB / 0.7659 GB, free: 144.2 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007985/1.05, allocations: 3.969 MB / 0.7698 GB, free: 142.9 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006211/1.056, allocations: 3.516 MB / 0.7732 GB, free: 141 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08165/1.138, allocations: 24.56 MB / 0.7972 GB, free: 132 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.998e-05/1.138, allocations: 8 kB / 0.7972 GB, free: 132 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 0.02253/1.16, allocations: 10.49 MB / 0.8075 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.861e-05/1.16, allocations: 16 kB / 0.8075 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.746e-05/1.16, allocations: 24 kB / 0.8075 GB, free: 121.4 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0134/1.174, allocations: 4.248 MB / 0.8117 GB, free: 117.1 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004297/1.178, allocations: 1.034 MB / 0.8127 GB, free: 116.1 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02879/1.207, allocations: 27.09 MB / 0.8391 GB, free: 88.45 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004078/1.211, allocations: 0.5406 MB / 0.8397 GB, free: 87.91 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005575/1.212, allocations: 148.5 kB / 0.8398 GB, free: 87.77 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 0.001078/1.213, allocations: 401.5 kB / 0.8402 GB, free: 87.39 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007096/1.213, allocations: 189.8 kB / 0.8404 GB, free: 87.2 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 0.02441/1.238, allocations: 10.17 MB / 0.8503 GB, free: 76.96 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.977e-05/1.238, allocations: 27.75 kB / 0.8503 GB, free: 76.94 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.612e-05/1.238, allocations: 17.42 kB / 0.8503 GB, free: 76.92 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.592e-05/1.238, allocations: 15.94 kB / 0.8503 GB, free: 76.91 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 0.03318/1.271, allocations: 16.24 MB / 0.8662 GB, free: 60.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.003e-05/1.271, allocations: 8 kB / 0.8662 GB, free: 60.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003247/1.274, allocations: 0.7415 MB / 0.8669 GB, free: 59.75 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01712/1.292, allocations: 5.099 MB / 0.8719 GB, free: 54.64 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006355/1.292, allocations: 75.95 kB / 0.872 GB, free: 54.57 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03385/1.326, allocations: 27.21 MB / 0.8986 GB, free: 26.88 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.063e-05/1.326, allocations: 16.03 kB / 0.8986 GB, free: 26.86 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 0.02357/1.35, allocations: 10.1 MB / 0.9084 GB, free: 16.52 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001966/1.352, allocations: 0.7156 MB / 0.9091 GB, free: 15.79 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006282/1.352, allocations: 56 kB / 0.9092 GB, free: 15.73 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003377/1.356, allocations: 0.4992 MB / 0.9097 GB, free: 15.23 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007588/1.357, allocations: 226.3 kB / 0.9099 GB, free: 15.01 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002882/1.357, allocations: 95.95 kB / 0.91 GB, free: 14.91 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001177/1.358, allocations: 0.9489 MB / 0.9109 GB, free: 13.96 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.6e-07/1.358, allocations: 0 / 0.9109 GB, free: 13.96 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.005849/1.364, allocations: 1.835 MB / 0.9127 GB, free: 12.13 MB / 0.5762 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 0.0004669/1.364, allocations: 189.4 kB / 0.9129 GB, free: 11.94 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.02531/1.39, allocations: 12.4 MB / 0.925 GB, free: 15.43 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 9.829e-06/1.39, allocations: 3.938 kB / 0.925 GB, free: 15.43 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.01121/1.401, allocations: 4.418 MB / 0.9293 GB, free: 10.97 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002532/1.404, allocations: 263.2 kB / 0.9296 GB, free: 10.73 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02103/1.425, allocations: 8.943 MB / 0.9383 GB, free: 1.684 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0036/1.428, allocations: 2.836 MB / 0.9411 GB, free: 14.82 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.004556/1.433, allocations: 1.645 MB / 0.9427 GB, free: 13.17 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007376/1.434, allocations: 167.3 kB / 0.9428 GB, free: 13 MB / 0.6075 GB Notification: Performance of SimCode: time 7.11e-07/1.434, allocations: 0 / 0.9428 GB, free: 13 MB / 0.6075 GB Notification: Performance of Templates: time 0.348/1.782, allocations: 77.11 MB / 1.018 GB, free: 191.9 MB / 0.6387 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)