Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001005/0.001005, allocations: 104.4 kB / 16.41 MB, free: 6.422 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001127/0.001127, allocations: 195.8 kB / 17.34 MB, free: 5.73 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.191/1.191, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6952/0.6952, allocations: 122.9 MB / 414.1 MB, free: 15.84 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001128/0.001128, allocations: 67.78 kB / 0.568 GB, free: 28.91 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1146/0.1158, allocations: 77.94 MB / 0.6442 GB, free: 9.457 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01892/0.1347, allocations: 18.15 MB / 0.6619 GB, free: 7.242 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.009475/0.1443, allocations: 6.801 MB / 0.6685 GB, free: 432 kB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001169/0.1455, allocations: 55.88 kB / 0.6686 GB, free: 376 kB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003408/0.1489, allocations: 1.461 MB / 0.67 GB, free: 14.9 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003028/0.1519, allocations: 1.424 MB / 0.6714 GB, free: 13.47 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.002904/0.1548, allocations: 1.262 MB / 0.6726 GB, free: 12.21 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.005664/0.1605, allocations: 5.445 MB / 0.6779 GB, free: 6.754 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007498/0.168, allocations: 7.079 MB / 0.6849 GB, free: 15.57 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002982/0.171, allocations: 2.349 MB / 0.6871 GB, free: 13.21 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003772/0.1748, allocations: 2.957 MB / 0.69 GB, free: 10.25 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001032/0.1759, allocations: 0.5156 MB / 0.6905 GB, free: 9.73 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002434/0.1783, allocations: 1.264 MB / 0.6918 GB, free: 8.465 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.002413/0.1807, allocations: 2.242 MB / 0.694 GB, free: 6.219 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.002909/0.1837, allocations: 2.167 MB / 0.6961 GB, free: 4.043 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.006332/0.19, allocations: 7.733 MB / 0.7036 GB, free: 12.29 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.04e-06/0.19, allocations: 7.938 kB / 0.7036 GB, free: 12.28 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.984e-06/0.19, allocations: 0 / 0.7036 GB, free: 12.28 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0001162/0.1902, allocations: 0 / 0.7036 GB, free: 12.28 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.006483/0.1966, allocations: 3.792 MB / 0.7073 GB, free: 8.43 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.594e-05/0.1967, allocations: 8.031 kB / 0.7073 GB, free: 8.422 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006344/0.1973, allocations: 0.5384 MB / 0.7079 GB, free: 7.875 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01222/0.2096, allocations: 2.411 MB / 0.7102 GB, free: 5.457 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003981/0.2136, allocations: 2.178 MB / 0.7124 GB, free: 3.234 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001592/0.2137, allocations: 271.2 kB / 0.7126 GB, free: 2.969 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006466/0.2144, allocations: 344 kB / 0.7129 GB, free: 2.633 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01179/0.2262, allocations: 7.122 MB / 0.7199 GB, free: 11.41 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.518e-05/0.2263, allocations: 3.938 kB / 0.7199 GB, free: 11.4 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003981/0.2267, allocations: 148 kB / 0.72 GB, free: 11.26 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004047/0.2271, allocations: 338 kB / 0.7204 GB, free: 10.93 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0141/0.2412, allocations: 7.028 MB / 0.7272 GB, free: 3.887 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2955/0.5367, allocations: 26.42 MB / 0.753 GB, free: 81.05 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007679/0.5444, allocations: 4.992 MB / 0.7579 GB, free: 79.31 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005795/0.5502, allocations: 2.611 MB / 0.7605 GB, free: 78.54 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002176/0.5505, allocations: 131.6 kB / 0.7606 GB, free: 78.44 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.952e-05/0.5505, allocations: 61.81 kB / 0.7606 GB, free: 78.39 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 4.228e-06/0.5505, allocations: 0 / 0.7606 GB, free: 78.39 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.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 matching and sorting (n=271): time 0.09436/0.6449, allocations: 30.92 MB / 0.7908 GB, free: 62.59 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.506e-05/0.645, allocations: 235.6 kB / 0.7911 GB, free: 62.31 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001558/0.6465, allocations: 1.427 MB / 0.7925 GB, free: 60.87 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0003952/0.6469, allocations: 73.7 kB / 0.7925 GB, free: 60.79 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.000451/0.6474, allocations: 1.485 MB / 0.794 GB, free: 59.3 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.000532/0.6479, allocations: 0.9185 MB / 0.7949 GB, free: 58.39 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008608/0.6488, allocations: 0.6319 MB / 0.7955 GB, free: 57.75 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 3.308e-05/0.6488, allocations: 301.1 kB / 0.7958 GB, free: 57.45 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004767/0.6536, allocations: 2.694 MB / 0.7984 GB, free: 54.75 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005114/0.6587, allocations: 3.571 MB / 0.8019 GB, free: 50.79 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009801/0.6685, allocations: 6.403 MB / 0.8081 GB, free: 43.99 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.347e-05/0.6686, allocations: 8 kB / 0.8082 GB, free: 43.98 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.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 matching and sorting (n=410) (initialization): time 0.02335/0.6919, allocations: 10.99 MB / 0.8189 GB, free: 32.89 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.506e-05/0.692, allocations: 19.98 kB / 0.8189 GB, free: 32.87 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.546e-05/0.692, allocations: 24 kB / 0.8189 GB, free: 32.84 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01768/0.7097, allocations: 5.564 MB / 0.8244 GB, free: 27.27 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003839/0.7136, allocations: 0.9896 MB / 0.8253 GB, free: 26.28 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03414/0.7477, allocations: 28.19 MB / 0.8529 GB, free: 13.67 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004538/0.7523, allocations: 0.5654 MB / 0.8534 GB, free: 13.1 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000513/0.7529, allocations: 155.9 kB / 0.8536 GB, free: 12.95 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007992/0.7609, allocations: 3.988 MB / 0.8575 GB, free: 8.953 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00623/0.7671, allocations: 3.528 MB / 0.8609 GB, free: 5.047 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0855/0.8526, allocations: 24.66 MB / 0.885 GB, free: 11.89 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.269e-05/0.8527, allocations: 8 kB / 0.885 GB, free: 11.88 MB / 0.6231 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : 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=410) (initialization_lambda0): time 0.02449/0.8772, allocations: 10.53 MB / 0.8953 GB, free: 1.215 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.253e-05/0.8772, allocations: 19.98 kB / 0.8953 GB, free: 1.195 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.805e-05/0.8773, allocations: 31.66 kB / 0.8953 GB, free: 1.168 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01459/0.8919, allocations: 4.321 MB / 0.8995 GB, free: 12.83 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00441/0.8963, allocations: 1.045 MB / 0.9006 GB, free: 11.78 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03249/0.9288, allocations: 27.14 MB / 0.9271 GB, free: 15.93 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004135/0.933, allocations: 0.5459 MB / 0.9276 GB, free: 15.38 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004168/0.9334, allocations: 155.9 kB / 0.9277 GB, free: 15.23 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.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 (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 0.0008924/0.9343, allocations: 402.1 kB / 0.9281 GB, free: 14.83 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005671/0.9349, allocations: 204.5 kB / 0.9283 GB, free: 14.63 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 : 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 wrapFunctionCalls (simulation): time 0.02517/0.96, allocations: 10.17 MB / 0.9382 GB, free: 4.387 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.222e-05/0.9601, allocations: 28 kB / 0.9383 GB, free: 4.359 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.507e-05/0.9601, allocations: 12 kB / 0.9383 GB, free: 4.348 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.596e-05/0.9602, allocations: 19.89 kB / 0.9383 GB, free: 4.328 MB / 0.67 GB 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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : 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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; 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] ] 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 0.03441/0.9946, allocations: 16.31 MB / 0.9542 GB, free: 3.844 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.662e-05/0.9946, allocations: 11.94 kB / 0.9542 GB, free: 3.832 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003153/0.9978, allocations: 0.7335 MB / 0.955 GB, free: 3.098 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01766/1.015, allocations: 5.177 MB / 0.96 GB, free: 13.9 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003165/1.016, allocations: 75.95 kB / 0.9601 GB, free: 13.83 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03715/1.053, allocations: 27.2 MB / 0.9867 GB, free: 2.141 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.698e-06/1.053, allocations: 12.03 kB / 0.9867 GB, free: 2.129 MB / 0.7169 GB 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 symbolicJacobian (simulation): time 0.02431/1.077, allocations: 10.13 MB / 0.9966 GB, free: 7.754 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001739/1.079, allocations: 0.721 MB / 0.9973 GB, free: 7.012 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005107/1.08, allocations: 63.92 kB / 0.9973 GB, free: 6.949 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003593/1.083, allocations: 0.507 MB / 0.9978 GB, free: 6.441 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007737/1.084, allocations: 222.4 kB / 0.998 GB, free: 6.219 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002598/1.084, allocations: 91.95 kB / 0.9981 GB, free: 6.129 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001571/1.086, allocations: 0.9723 MB / 0.9991 GB, free: 5.152 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.81e-07/1.086, allocations: 0 / 0.9991 GB, free: 5.152 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.00587/1.092, allocations: 1.844 MB / 1.001 GB, free: 3.309 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)} 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 Backend phase and start with SimCode phase: time 0.02509/1.117, allocations: 10.8 MB / 1.011 GB, free: 8.262 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.0272/1.144, allocations: 12.46 MB / 1.024 GB, free: 11.71 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 8.797e-06/1.144, allocations: 4.125 kB / 1.024 GB, free: 11.7 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.009794/1.154, allocations: 4.39 MB / 1.028 GB, free: 7.273 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001914/1.156, allocations: 273.8 kB / 1.028 GB, free: 7.012 MB / 0.7637 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.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 simCode: created linear, non-linear and system jacobian parts: time 0.3335/1.489, allocations: 42.14 MB / 1.069 GB, free: 252.2 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002161/1.491, allocations: 2.836 MB / 1.072 GB, free: 250.8 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.003553/1.495, allocations: 1.653 MB / 1.074 GB, free: 250.2 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001247/1.496, allocations: 1.209 MB / 1.075 GB, free: 249.1 MB / 0.7637 GB Notification: Performance of SimCode: time 8.31e-07/1.496, allocations: 0 / 1.075 GB, free: 249.1 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1348/1.631, allocations: 102.5 MB / 1.175 GB, free: 151 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.42/16.05, allocations: 21.47 kB / 1.175 GB, free: 151 MB / 0.7637 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)