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 0.001135/0.001135, allocations: 108.6 kB / 16.41 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001078/0.001078, allocations: 193.2 kB / 17.34 MB, free: 5.766 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.392/1.392, allocations: 222.9 MB / 241 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 0.7627/0.7627, allocations: 115.3 MB / 406.5 MB, free: 6.211 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001223/0.001223, allocations: 65.55 kB / 0.5578 GB, free: 32.12 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1767/0.1779, allocations: 76.18 MB / 0.6322 GB, free: 4.367 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.022/0.2, allocations: 18.25 MB / 0.65 GB, free: 2.051 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01168/0.2117, allocations: 6.82 MB / 0.6567 GB, free: 11.21 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001697/0.2134, allocations: 55.88 kB / 0.6567 GB, free: 11.16 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003835/0.2173, allocations: 1.472 MB / 0.6582 GB, free: 9.68 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.004033/0.2213, allocations: 1.428 MB / 0.6595 GB, free: 8.246 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00367/0.225, allocations: 1.266 MB / 0.6608 GB, free: 6.98 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.006708/0.2317, allocations: 5.468 MB / 0.6661 GB, free: 1.5 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009548/0.2413, allocations: 7.12 MB / 0.6731 GB, free: 10.27 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003735/0.2451, allocations: 2.38 MB / 0.6754 GB, free: 7.883 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005279/0.2504, allocations: 2.968 MB / 0.6783 GB, free: 4.906 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001775/0.2522, allocations: 0.5156 MB / 0.6788 GB, free: 4.391 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003508/0.2557, allocations: 1.264 MB / 0.68 GB, free: 3.125 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.003292/0.259, allocations: 2.25 MB / 0.6822 GB, free: 0.8711 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.00385/0.2629, allocations: 2.194 MB / 0.6844 GB, free: 14.67 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.007773/0.2707, allocations: 7.775 MB / 0.692 GB, free: 6.871 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/0.2707, allocations: 0 / 0.692 GB, free: 6.871 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.804e-06/0.2707, allocations: 0 / 0.692 GB, free: 6.871 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0001625/0.2709, allocations: 0 / 0.692 GB, free: 6.871 MB / 0.5294 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 0.008027/0.2789, allocations: 3.834 MB / 0.6957 GB, free: 2.977 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.121e-05/0.279, allocations: 12.03 kB / 0.6957 GB, free: 2.965 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01269/0.2917, allocations: 2.411 MB / 0.6981 GB, free: 0.5469 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005813/0.2975, allocations: 2.186 MB / 0.7002 GB, free: 14.31 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002166/0.2978, allocations: 275.5 kB / 0.7005 GB, free: 14.04 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001092/0.2989, allocations: 351.9 kB / 0.7008 GB, free: 13.7 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01558/0.3145, allocations: 7.155 MB / 0.7078 GB, free: 6.441 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.857e-05/0.3146, allocations: 3.938 kB / 0.7078 GB, free: 6.438 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004842/0.3151, allocations: 148 kB / 0.7079 GB, free: 6.293 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004727/0.3156, allocations: 334.1 kB / 0.7083 GB, free: 5.965 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01732/0.3329, allocations: 7.044 MB / 0.7151 GB, free: 14.91 MB / 0.5606 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 0.03878/0.3717, allocations: 26.56 MB / 0.7411 GB, free: 2.164 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008699/0.3804, allocations: 5.001 MB / 0.746 GB, free: 12.86 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005983/0.3865, allocations: 2.608 MB / 0.7485 GB, free: 10.23 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003019/0.3868, allocations: 127 kB / 0.7486 GB, free: 10.08 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.052e-05/0.3869, allocations: 64.5 kB / 0.7487 GB, free: 10.01 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 4.398e-06/0.3869, allocations: 0 / 0.7487 GB, free: 10.01 MB / 0.5919 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 0.4666/0.8534, allocations: 30.96 MB / 0.7789 GB, free: 110.4 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.484e-05/0.8535, allocations: 247.2 kB / 0.7792 GB, free: 110.2 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002166/0.8557, allocations: 1.466 MB / 0.7806 GB, free: 109.4 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0006588/0.8564, allocations: 65.52 kB / 0.7807 GB, free: 109.3 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008186/0.8572, allocations: 1.504 MB / 0.7821 GB, free: 108 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009295/0.8581, allocations: 0.9159 MB / 0.783 GB, free: 107.2 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001052/0.8592, allocations: 0.6335 MB / 0.7836 GB, free: 106.9 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 7.554e-05/0.8593, allocations: 309.1 kB / 0.7839 GB, free: 106.5 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005006/0.8643, allocations: 2.693 MB / 0.7866 GB, free: 105.1 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005147/0.8695, allocations: 3.567 MB / 0.79 GB, free: 102.6 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01002/0.8795, allocations: 6.4 MB / 0.7963 GB, free: 96.43 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.55e-05/0.8796, allocations: 11.62 kB / 0.7963 GB, free: 96.42 MB / 0.5919 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 0.02437/0.9039, allocations: 11.02 MB / 0.8071 GB, free: 85.29 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.236e-05/0.904, allocations: 16 kB / 0.8071 GB, free: 85.27 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.278e-05/0.904, allocations: 28 kB / 0.8071 GB, free: 85.24 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01802/0.9221, allocations: 5.548 MB / 0.8125 GB, free: 79.68 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00452/0.9266, allocations: 0.9867 MB / 0.8135 GB, free: 78.7 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03656/0.9632, allocations: 28.19 MB / 0.841 GB, free: 50.11 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004494/0.9678, allocations: 0.5692 MB / 0.8416 GB, free: 49.54 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006985/0.9685, allocations: 151.9 kB / 0.8417 GB, free: 49.39 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008039/0.9766, allocations: 3.98 MB / 0.8456 GB, free: 45.4 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006093/0.9827, allocations: 3.532 MB / 0.8491 GB, free: 41.49 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08224/1.065, allocations: 24.63 MB / 0.8731 GB, free: 16.39 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.14e-05/1.065, allocations: 11.44 kB / 0.8731 GB, free: 16.39 MB / 0.5919 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 0.02558/1.091, allocations: 10.53 MB / 0.8834 GB, free: 5.715 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.917e-05/1.091, allocations: 19.94 kB / 0.8834 GB, free: 5.695 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.84e-05/1.091, allocations: 24 kB / 0.8834 GB, free: 5.672 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01449/1.105, allocations: 4.325 MB / 0.8877 GB, free: 1.332 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004468/1.11, allocations: 1.041 MB / 0.8887 GB, free: 296 kB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03739/1.147, allocations: 27.12 MB / 0.9152 GB, free: 4.473 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004937/1.152, allocations: 0.5537 MB / 0.9157 GB, free: 3.918 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007522/1.153, allocations: 155.9 kB / 0.9159 GB, free: 3.766 MB / 0.6231 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.001849/1.155, allocations: 399.5 kB / 0.9162 GB, free: 3.371 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001145/1.156, allocations: 201.7 kB / 0.9164 GB, free: 3.172 MB / 0.6231 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 0.02731/1.183, allocations: 10.17 MB / 0.9264 GB, free: 8.922 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.444e-05/1.183, allocations: 28 kB / 0.9264 GB, free: 8.895 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.09e-05/1.183, allocations: 12 kB / 0.9264 GB, free: 8.883 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.067e-05/1.183, allocations: 19.94 kB / 0.9264 GB, free: 8.863 MB / 0.6387 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 0.04087/1.224, allocations: 16.27 MB / 0.9423 GB, free: 8.414 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.948e-05/1.224, allocations: 8 kB / 0.9423 GB, free: 8.406 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003543/1.228, allocations: 0.7295 MB / 0.943 GB, free: 7.676 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01918/1.247, allocations: 5.181 MB / 0.9481 GB, free: 2.48 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006849/1.248, allocations: 70.36 kB / 0.9482 GB, free: 2.414 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0402/1.288, allocations: 27.26 MB / 0.9748 GB, free: 6.676 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.027e-05/1.288, allocations: 16.03 kB / 0.9748 GB, free: 6.66 MB / 0.6856 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 0.02518/1.313, allocations: 10.1 MB / 0.9847 GB, free: 12.31 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002195/1.316, allocations: 0.721 MB / 0.9854 GB, free: 11.57 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005676/1.316, allocations: 59.98 kB / 0.9854 GB, free: 11.51 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003569/1.32, allocations: 0.5031 MB / 0.9859 GB, free: 11.01 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007267/1.32, allocations: 230.3 kB / 0.9861 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002337/1.321, allocations: 97.8 kB / 0.9862 GB, free: 10.69 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001484/1.322, allocations: 0.9972 MB / 0.9872 GB, free: 9.691 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.8e-07/1.322, allocations: 0 / 0.9872 GB, free: 9.691 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.005999/1.328, allocations: 1.855 MB / 0.989 GB, free: 7.836 MB / 0.7012 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 0.0004296/1.329, allocations: 178.9 kB / 0.9892 GB, free: 7.648 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.02787/1.357, allocations: 12.45 MB / 1.001 GB, free: 11.09 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.647e-05/1.357, allocations: 4 kB / 1.001 GB, free: 11.09 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.0102/1.367, allocations: 4.425 MB / 1.006 GB, free: 6.629 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00217/1.369, allocations: 283.4 kB / 1.006 GB, free: 6.355 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02169/1.391, allocations: 9.49 MB / 1.015 GB, free: 12.75 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00295/1.394, allocations: 2.849 MB / 1.018 GB, free: 9.867 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.004164/1.398, allocations: 1.653 MB / 1.02 GB, free: 8.211 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006207/1.399, allocations: 175.3 kB / 1.02 GB, free: 8.039 MB / 0.7325 GB Notification: Performance of SimCode: time 2.043e-06/1.399, allocations: 0 / 1.02 GB, free: 8.039 MB / 0.7325 GB Notification: Performance of Templates: time 0.4495/1.848, allocations: 79.27 MB / 1.097 GB, free: 225.4 MB / 0.7481 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)