Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001101/0.001101, allocations: 72.83 kB / 20.72 MB, free: 3.77 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001209/0.001209, allocations: 169 kB / 24.14 MB, free: 356 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9468/0.9468, allocations: 177.1 MB / 204.6 MB, free: 5.477 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6466/0.6466, allocations: 115 MB / 376 MB, free: 7.48 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.713e-06/1.713e-06, allocations: 0 / 428.8 MB, free: 2.68 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.624e-05/3.795e-05, allocations: 10.19 kB / 428.8 MB, free: 2.668 MB / 394.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01144/0.01148, allocations: 9.328 MB / 438.2 MB, free: 9.293 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.00624/0.01772, allocations: 3.897 MB / 442.1 MB, free: 5.387 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001133/0.01885, allocations: 63.75 kB / 442.1 MB, free: 5.324 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001045/0.01989, allocations: 457 kB / 442.6 MB, free: 4.875 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00195/0.02184, allocations: 1.232 MB / 443.8 MB, free: 3.637 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001587/0.02343, allocations: 0.9513 MB / 444.8 MB, free: 2.684 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.2291/0.2525, allocations: 5.437 MB / 450.2 MB, free: 18.7 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005403/0.2579, allocations: 3.637 MB / 453.8 MB, free: 18.29 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004769/0.2627, allocations: 3.338 MB / 457.2 MB, free: 17.8 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003639/0.2663, allocations: 2.848 MB / 460 MB, free: 17.17 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0009978/0.2673, allocations: 0.5086 MB / 460.5 MB, free: 17.17 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.007366/0.2747, allocations: 0.6984 MB / 461.2 MB, free: 17.13 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001793/0.2765, allocations: 2.428 MB / 463.7 MB, free: 16.12 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.007894/0.2844, allocations: 1.552 MB / 465.2 MB, free: 15.44 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.009205/0.2936, allocations: 4.134 MB / 469.3 MB, free: 12.14 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.969e-06/0.2936, allocations: 1.219 kB / 469.3 MB, free: 12.14 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.452e-06/0.2936, allocations: 0 / 469.3 MB, free: 12.14 MB / 410.7 MB Notification: Performance of Transformations before backend: time 6.043e-05/0.2936, allocations: 3.562 kB / 469.3 MB, free: 12.14 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.00937/0.303, allocations: 3.512 MB / 472.9 MB, free: 8.816 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.09e-05/0.303, allocations: 8.031 kB / 472.9 MB, free: 8.809 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01096/0.314, allocations: 1.447 MB / 474.3 MB, free: 7.402 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005857/0.3198, allocations: 1.517 MB / 475.8 MB, free: 5.969 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001273/0.32, allocations: 265.6 kB / 476.1 MB, free: 5.719 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004734/0.3204, allocations: 350.9 kB / 476.4 MB, free: 5.387 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004234/0.3247, allocations: 3.331 MB / 479.8 MB, free: 2.148 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.992e-05/0.3247, allocations: 3.844 kB / 479.8 MB, free: 2.148 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003532/0.3251, allocations: 153.8 kB / 479.9 MB, free: 2.008 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002737/0.3254, allocations: 314.2 kB / 480.2 MB, free: 1.699 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001825/0.3272, allocations: 1.413 MB / 481.6 MB, free: 316 kB / 410.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01349/0.3407, allocations: 12.93 MB / 494.6 MB, free: 3.574 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001825/0.3425, allocations: 1.701 MB / 496.3 MB, free: 1.945 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001094/0.3436, allocations: 0.8767 MB / 497.1 MB, free: 1.082 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0004196/0.344, allocations: 57.97 kB / 497.2 MB, free: 1.023 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.334e-05/0.3441, allocations: 64.03 kB / 497.3 MB, free: 0.957 MB / 426.7 MB Notification: Performance of pre-optimization done (n=208): time 5.08e-06/0.3441, allocations: 1.156 kB / 497.3 MB, free: 0.957 MB / 426.7 MB Warning: The linear system: 1 : transformer.conv2.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.conv2.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=211): time 0.01017/0.3542, allocations: 4.543 MB / 0.49 GB, free: 12.59 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.077e-05/0.3543, allocations: 231.8 kB / 0.4903 GB, free: 12.32 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008006/0.3551, allocations: 0.9969 MB / 0.4912 GB, free: 11.5 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001268/0.3552, allocations: 53.7 kB / 0.4913 GB, free: 11.44 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005881/0.3558, allocations: 1.451 MB / 0.4927 GB, free: 10.04 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0006914/0.3565, allocations: 0.7486 MB / 0.4934 GB, free: 9.328 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005654/0.3571, allocations: 0.4975 MB / 0.4939 GB, free: 8.879 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 6.83e-05/0.3572, allocations: 309 kB / 0.4942 GB, free: 8.574 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006497/0.3578, allocations: 444.8 kB / 0.4946 GB, free: 8.137 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009231/0.3587, allocations: 1.306 MB / 0.4959 GB, free: 6.512 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001678/0.3604, allocations: 1.898 MB / 0.4978 GB, free: 4.457 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.536e-05/0.3604, allocations: 8 kB / 0.4978 GB, free: 4.449 MB / 442.7 MB 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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=350) (initialization): time 0.004417/0.3648, allocations: 2.736 MB / 0.5005 GB, free: 1.934 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.528e-05/0.3649, allocations: 20 kB / 0.5005 GB, free: 1.914 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.125e-05/0.3649, allocations: 28 kB / 0.5005 GB, free: 1.887 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004998/0.3699, allocations: 1.972 MB / 0.5024 GB, free: 15.93 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001488/0.3714, allocations: 0.663 MB / 0.5031 GB, free: 15.26 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007357/0.3787, allocations: 7.261 MB / 0.5102 GB, free: 7.879 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001415/0.3802, allocations: 219 kB / 0.5104 GB, free: 7.664 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001613/0.3803, allocations: 111.9 kB / 0.5105 GB, free: 7.555 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001295/0.3816, allocations: 0.5587 MB / 0.511 GB, free: 6.988 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009712/0.3826, allocations: 1.317 MB / 0.5123 GB, free: 5.332 MB / 458.7 MB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002884/0.3855, allocations: 2.677 MB / 0.5149 GB, free: 2.309 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.945e-05/0.3855, allocations: 8 kB / 0.5149 GB, free: 2.301 MB / 458.7 MB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : 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] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : 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] [ -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.v3_n[2] ; line2.v3_p[2] ; line2.v1_p[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[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] ; -loadRL.load3.v[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] ] might be structurally or numerically singular for variable line2.v1_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=350) (initialization_lambda0): time 0.00331/0.3888, allocations: 2.518 MB / 0.5174 GB, free: 15.77 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.026e-05/0.3888, allocations: 19.94 kB / 0.5174 GB, free: 15.75 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.615e-05/0.3888, allocations: 28 kB / 0.5174 GB, free: 15.72 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001201/0.39, allocations: 0.5437 MB / 0.518 GB, free: 15.16 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001523/0.3916, allocations: 0.706 MB / 0.5187 GB, free: 14.46 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005556/0.3971, allocations: 9.007 MB / 0.5275 GB, free: 5.051 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001482/0.3986, allocations: 219.1 kB / 0.5277 GB, free: 4.836 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004698/0.3991, allocations: 119.9 kB / 0.5278 GB, free: 4.719 MB / 474.7 MB 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 (294): * Single equations (assignments): 292 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0006606/0.3997, allocations: 374.5 kB / 0.5281 GB, free: 4.348 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003485/0.4001, allocations: 183.8 kB / 0.5283 GB, free: 4.168 MB / 474.7 MB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00361/0.4037, allocations: 2.396 MB / 0.5306 GB, free: 1.742 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.422e-05/0.4037, allocations: 20 kB / 0.5307 GB, free: 1.723 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.833e-06/0.4037, allocations: 4 kB / 0.5307 GB, free: 1.719 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.468e-05/0.4037, allocations: 11.95 kB / 0.5307 GB, free: 1.707 MB / 474.7 MB 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.conv2.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.conv2.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 removeSimpleEquations (simulation): time 0.007459/0.4112, allocations: 5.138 MB / 0.5357 GB, free: 12.45 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.498e-06/0.4112, allocations: 4.844 kB / 0.5357 GB, free: 12.45 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001061/0.4123, allocations: 427.4 kB / 0.5361 GB, free: 12.03 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.004008/0.4163, allocations: 1.79 MB / 0.5379 GB, free: 10.23 MB / 490.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001252/0.4164, allocations: 55.95 kB / 0.5379 GB, free: 10.18 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006028/0.4224, allocations: 7.016 MB / 0.5448 GB, free: 2.906 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.028e-06/0.4224, allocations: 7.938 kB / 0.5448 GB, free: 2.898 MB / 490.7 MB 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 0.003483/0.4259, allocations: 2.789 MB / 0.5475 GB, free: 0 / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005986/0.4265, allocations: 426.2 kB / 0.5479 GB, free: 15.58 MB / 0.4948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001895/0.4267, allocations: 47.94 kB / 0.5479 GB, free: 15.54 MB / 0.4948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007522/0.4274, allocations: 79.95 kB / 0.548 GB, free: 15.46 MB / 0.4948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002098/0.4277, allocations: 170.1 kB / 0.5482 GB, free: 15.29 MB / 0.4948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.778e-05/0.4278, allocations: 55.95 kB / 0.5482 GB, free: 15.23 MB / 0.4948 GB Notification: Performance of sorting global known variables: time 0.0004181/0.4282, allocations: 449.9 kB / 0.5487 GB, free: 14.79 MB / 0.4948 GB Notification: Performance of sort global known variables: time 7e-08/0.4282, allocations: 0 / 0.5487 GB, free: 14.79 MB / 0.4948 GB Notification: Performance of remove unused functions: time 0.003324/0.4315, allocations: 1.473 MB / 0.5501 GB, free: 13.32 MB / 0.4948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * 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 (158): * Single equations (assignments): 156 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(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 0.0002513/0.4317, allocations: 144.1 kB / 0.5502 GB, free: 13.16 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.004374/0.4361, allocations: 3.598 MB / 0.5538 GB, free: 9.512 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 3.777e-05/0.4362, allocations: 28.09 kB / 0.5538 GB, free: 9.48 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.001363/0.4375, allocations: 1.285 MB / 0.555 GB, free: 8.18 MB / 0.4948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001392/0.4389, allocations: 0.4905 MB / 0.5555 GB, free: 7.699 MB / 0.4948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008176/0.4471, allocations: 5.605 MB / 0.561 GB, free: 1.965 MB / 0.4948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001016/0.4481, allocations: 0.9685 MB / 0.5619 GB, free: 0.9766 MB / 0.4948 GB Notification: Performance of simCode: alias equations: time 0.002143/0.4502, allocations: 0.5474 MB / 0.5625 GB, free: 460 kB / 0.4948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008751/0.4511, allocations: 323.2 kB / 0.5628 GB, free: 136 kB / 0.4948 GB Notification: Performance of SimCode: time 8.91e-07/0.4511, allocations: 4 kB / 0.5628 GB, free: 132 kB / 0.4948 GB Notification: Performance of Templates: time 0.06268/0.5138, allocations: 48.51 MB / 0.6102 GB, free: 56 kB / 0.5417 GB " [Timeout remaining time 659] make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 4.489535389002413]