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 0.001238/0.001238, allocations: 101.4 kB / 16.4 MB, free: 6.461 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001317/0.001317, allocations: 196 kB / 17.34 MB, free: 5.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.438/1.438, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7913/0.7913, allocations: 122.9 MB / 414.1 MB, free: 15.8 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00127/0.00127, allocations: 71.61 kB / 0.5686 GB, free: 28.66 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1741/0.1754, allocations: 77.94 MB / 0.6447 GB, free: 8.906 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02158/0.197, allocations: 18.23 MB / 0.6625 GB, free: 6.605 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01268/0.2097, allocations: 6.824 MB / 0.6692 GB, free: 15.76 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002805/0.2126, allocations: 55.88 kB / 0.6692 GB, free: 15.71 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.004722/0.2175, allocations: 1.463 MB / 0.6707 GB, free: 14.24 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.004423/0.2219, allocations: 1.428 MB / 0.6721 GB, free: 12.8 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003795/0.2257, allocations: 1.272 MB / 0.6733 GB, free: 11.53 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.007403/0.2331, allocations: 5.468 MB / 0.6786 GB, free: 6.051 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01001/0.2432, allocations: 7.124 MB / 0.6856 GB, free: 14.81 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00459/0.2478, allocations: 2.365 MB / 0.6879 GB, free: 12.44 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006102/0.2539, allocations: 2.972 MB / 0.6908 GB, free: 9.461 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001287/0.2552, allocations: 0.5117 MB / 0.6913 GB, free: 8.949 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003022/0.2583, allocations: 1.272 MB / 0.6926 GB, free: 7.676 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.002761/0.2611, allocations: 2.242 MB / 0.6947 GB, free: 5.43 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.003446/0.2645, allocations: 2.198 MB / 0.6969 GB, free: 3.223 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.009816/0.2743, allocations: 7.792 MB / 0.7045 GB, free: 11.41 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/0.2744, allocations: 0 / 0.7045 GB, free: 11.41 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.925e-06/0.2744, allocations: 0 / 0.7045 GB, free: 11.41 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002136/0.2746, allocations: 3.938 kB / 0.7045 GB, free: 11.4 MB / 0.545 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 0.009303/0.2839, allocations: 3.915 MB / 0.7083 GB, free: 7.426 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.41e-05/0.284, allocations: 8.625 kB / 0.7083 GB, free: 7.418 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01253/0.2965, allocations: 2.436 MB / 0.7107 GB, free: 4.977 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006473/0.303, allocations: 2.195 MB / 0.7129 GB, free: 2.738 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000262/0.3033, allocations: 271.5 kB / 0.7131 GB, free: 2.473 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001151/0.3045, allocations: 343.9 kB / 0.7134 GB, free: 2.137 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01491/0.3194, allocations: 7.159 MB / 0.7204 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.973e-05/0.3195, allocations: 11.92 kB / 0.7204 GB, free: 10.86 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004229/0.32, allocations: 152 kB / 0.7206 GB, free: 10.71 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004563/0.3204, allocations: 330.1 kB / 0.7209 GB, free: 10.39 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01528/0.3357, allocations: 7.048 MB / 0.7278 GB, free: 3.332 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 0.3808/0.7166, allocations: 26.59 MB / 0.7538 GB, free: 80.61 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008561/0.7252, allocations: 4.985 MB / 0.7586 GB, free: 78.46 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006122/0.7313, allocations: 2.615 MB / 0.7612 GB, free: 77.69 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002827/0.7316, allocations: 127.8 kB / 0.7613 GB, free: 77.59 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.079e-05/0.7317, allocations: 66.69 kB / 0.7614 GB, free: 77.53 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 4.018e-06/0.7317, allocations: 0 / 0.7614 GB, free: 77.53 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=271): time 0.09761/0.8293, allocations: 31.2 MB / 0.7918 GB, free: 61.82 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.951e-05/0.8294, allocations: 239.6 kB / 0.7921 GB, free: 61.54 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001862/0.8313, allocations: 1.472 MB / 0.7935 GB, free: 60.08 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.000541/0.8318, allocations: 65.7 kB / 0.7936 GB, free: 60.01 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006742/0.8325, allocations: 1.555 MB / 0.7951 GB, free: 58.65 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009116/0.8334, allocations: 0.9627 MB / 0.796 GB, free: 57.7 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001051/0.8345, allocations: 0.636 MB / 0.7966 GB, free: 57.06 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 5.637e-05/0.8345, allocations: 301.1 kB / 0.7969 GB, free: 56.76 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005028/0.8396, allocations: 2.698 MB / 0.7996 GB, free: 54.05 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005366/0.845, allocations: 3.571 MB / 0.803 GB, free: 50.1 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0103/0.8553, allocations: 6.393 MB / 0.8093 GB, free: 43.31 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.556e-05/0.8553, allocations: 14.73 kB / 0.8093 GB, free: 43.3 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 0.02653/0.8819, allocations: 11.04 MB / 0.8201 GB, free: 32.17 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 7.234e-05/0.882, allocations: 16.56 kB / 0.8201 GB, free: 32.15 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.728e-05/0.8821, allocations: 28 kB / 0.8201 GB, free: 32.12 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01811/0.9002, allocations: 5.541 MB / 0.8255 GB, free: 26.57 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004103/0.9043, allocations: 0.9945 MB / 0.8265 GB, free: 25.57 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03797/0.9423, allocations: 28.2 MB / 0.8541 GB, free: 12.96 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005012/0.9474, allocations: 0.5732 MB / 0.8546 GB, free: 12.39 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009041/0.9483, allocations: 155.9 kB / 0.8548 GB, free: 12.24 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01041/0.9588, allocations: 3.98 MB / 0.8586 GB, free: 8.25 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007249/0.966, allocations: 3.528 MB / 0.8621 GB, free: 4.344 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08983/1.056, allocations: 24.63 MB / 0.8861 GB, free: 11.21 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.978e-05/1.056, allocations: 4 kB / 0.8862 GB, free: 11.2 MB / 0.6231 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 0.02823/1.084, allocations: 10.54 MB / 0.8964 GB, free: 0.5078 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.655e-05/1.084, allocations: 18.34 kB / 0.8965 GB, free: 0.4922 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.248e-05/1.084, allocations: 28 kB / 0.8965 GB, free: 476 kB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0155/1.1, allocations: 4.325 MB / 0.9007 GB, free: 12.13 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004739/1.105, allocations: 1.034 MB / 0.9017 GB, free: 11.09 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0391/1.144, allocations: 27.15 MB / 0.9282 GB, free: 15.23 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005028/1.149, allocations: 0.546 MB / 0.9288 GB, free: 14.68 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007384/1.15, allocations: 159.9 kB / 0.9289 GB, free: 14.53 MB / 0.67 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 0.001313/1.151, allocations: 403.2 kB / 0.9293 GB, free: 14.12 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008689/1.152, allocations: 210.7 kB / 0.9295 GB, free: 13.92 MB / 0.67 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 0.02795/1.18, allocations: 10.17 MB / 0.9394 GB, free: 3.676 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.049e-05/1.18, allocations: 24 kB / 0.9395 GB, free: 3.652 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.01e-05/1.18, allocations: 16 kB / 0.9395 GB, free: 3.637 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.079e-05/1.18, allocations: 15.94 kB / 0.9395 GB, free: 3.621 MB / 0.67 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 0.03924/1.219, allocations: 16.29 MB / 0.9554 GB, free: 3.141 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.787e-05/1.219, allocations: 11.75 kB / 0.9554 GB, free: 3.133 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003514/1.223, allocations: 0.7333 MB / 0.9561 GB, free: 2.398 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01892/1.242, allocations: 5.17 MB / 0.9612 GB, free: 13.21 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006959/1.242, allocations: 71.95 kB / 0.9612 GB, free: 13.14 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0415/1.284, allocations: 27.27 MB / 0.9879 GB, free: 1.387 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.143e-05/1.284, allocations: 16.03 kB / 0.9879 GB, free: 1.371 MB / 0.7169 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 0.02632/1.31, allocations: 10.11 MB / 0.9978 GB, free: 7.012 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002145/1.313, allocations: 0.726 MB / 0.9985 GB, free: 6.266 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007998/1.313, allocations: 63.94 kB / 0.9985 GB, free: 6.203 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00384/1.317, allocations: 0.4992 MB / 0.999 GB, free: 5.703 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009093/1.318, allocations: 226.3 kB / 0.9992 GB, free: 5.477 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003604/1.319, allocations: 103.9 kB / 0.9993 GB, free: 5.375 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001838/1.32, allocations: 0.9972 MB / 1 GB, free: 4.375 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.3e-07/1.32, allocations: 0 / 1 GB, free: 4.375 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.006925/1.327, allocations: 1.852 MB / 1.002 GB, free: 2.523 MB / 0.7325 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 0.0005365/1.328, allocations: 190.6 kB / 1.002 GB, free: 2.328 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.03046/1.358, allocations: 12.47 MB / 1.014 GB, free: 5.746 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.323e-05/1.358, allocations: 1.938 kB / 1.014 GB, free: 5.746 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.01133/1.37, allocations: 4.43 MB / 1.019 GB, free: 1.281 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002773/1.373, allocations: 290.6 kB / 1.019 GB, free: 1.004 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02568/1.398, allocations: 9.575 MB / 1.028 GB, free: 7.301 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003886/1.402, allocations: 2.849 MB / 1.031 GB, free: 4.418 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004967/1.407, allocations: 1.661 MB / 1.033 GB, free: 2.754 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008664/1.408, allocations: 171.3 kB / 1.033 GB, free: 2.586 MB / 0.7637 GB Notification: Performance of SimCode: time 9.42e-07/1.408, allocations: 0 / 1.033 GB, free: 2.586 MB / 0.7637 GB Notification: Performance of Templates: time 0.4365/1.845, allocations: 79.28 MB / 1.11 GB, free: 212.3 MB / 0.7637 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)