Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+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 0.001149/0.001149, allocations: 76.55 kB / 19.93 MB, free: 4.633 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 0.0009115/0.0009115, allocations: 177.9 kB / 23.21 MB, free: 1.352 MB / 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 0.9067/0.9067, allocations: 177.1 MB / 203.5 MB, free: 5.746 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 0.5472/0.5472, allocations: 114 MB / 373.9 MB, free: 8.723 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: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.543e-06/1.543e-06, allocations: 0 / 0.5543 GB, free: 1.605 MB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.037e-05/2.191e-05, allocations: 7.766 kB / 0.5543 GB, free: 1.598 MB / 474.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01369/0.01371, allocations: 17.43 MB / 0.5713 GB, free: 116 kB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.007912/0.02162, allocations: 6.644 MB / 0.5778 GB, free: 9.449 MB / 0.4948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009364/0.02256, allocations: 67.69 kB / 0.5779 GB, free: 9.383 MB / 0.4948 GB Notification: Performance of NFTyping.typeComponents: time 0.00202/0.02458, allocations: 1.481 MB / 0.5793 GB, free: 7.898 MB / 0.4948 GB Notification: Performance of NFTyping.typeBindings: time 0.002152/0.02673, allocations: 1.481 MB / 0.5808 GB, free: 6.41 MB / 0.4948 GB Notification: Performance of NFTyping.typeClassSections: time 0.001917/0.02865, allocations: 1.266 MB / 0.582 GB, free: 5.141 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.003925/0.03257, allocations: 5.522 MB / 0.5874 GB, free: 15.6 MB / 0.5105 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003367/0.03594, allocations: 3.354 MB / 0.5907 GB, free: 12.16 MB / 0.5105 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003026/0.03897, allocations: 3.306 MB / 0.5939 GB, free: 8.844 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002309/0.04128, allocations: 2.876 MB / 0.5967 GB, free: 5.961 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.0004042/0.04168, allocations: 0.5117 MB / 0.5972 GB, free: 5.449 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001341/0.04302, allocations: 1.205 MB / 0.5984 GB, free: 4.242 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.001546/0.04457, allocations: 2.401 MB / 0.6007 GB, free: 1.836 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.001131/0.0457, allocations: 1.54 MB / 0.6022 GB, free: 300 kB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.005287/0.05099, allocations: 7.94 MB / 0.61 GB, free: 8.332 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 4.609e-06/0.05099, allocations: 0 / 0.61 GB, free: 8.332 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.423e-06/0.05099, allocations: 0 / 0.61 GB, free: 8.332 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 7.55e-05/0.05107, allocations: 0 / 0.61 GB, free: 8.332 MB / 0.5261 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 0.004797/0.05586, allocations: 3.758 MB / 0.6137 GB, free: 4.527 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 4.417e-05/0.05591, allocations: 11.97 kB / 0.6137 GB, free: 4.516 MB / 0.5261 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007432/0.05665, allocations: 0.5462 MB / 0.6142 GB, free: 3.961 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006228/0.06288, allocations: 2.421 MB / 0.6166 GB, free: 1.535 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002528/0.06541, allocations: 2.157 MB / 0.6187 GB, free: 15.34 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001221/0.06553, allocations: 259.4 kB / 0.6189 GB, free: 15.09 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004028/0.06593, allocations: 352.3 kB / 0.6193 GB, free: 14.75 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007904/0.07384, allocations: 7.213 MB / 0.6263 GB, free: 7.41 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.931e-05/0.07389, allocations: 15.92 kB / 0.6263 GB, free: 7.395 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002937/0.07418, allocations: 144 kB / 0.6264 GB, free: 7.254 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000276/0.07446, allocations: 330 kB / 0.6268 GB, free: 6.93 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008931/0.08339, allocations: 7.016 MB / 0.6336 GB, free: 15.9 MB / 0.5573 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 0.2799/0.3632, allocations: 18.44 MB / 0.6516 GB, free: 86.55 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004513/0.3678, allocations: 3.721 MB / 0.6553 GB, free: 86.35 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003154/0.3709, allocations: 2.523 MB / 0.6577 GB, free: 85.98 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001415/0.371, allocations: 47.27 kB / 0.6578 GB, free: 85.98 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.817e-05/0.3711, allocations: 64.62 kB / 0.6578 GB, free: 85.92 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=208): time 4.168e-06/0.3711, allocations: 0 / 0.6578 GB, free: 85.92 MB / 0.5573 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 0.05507/0.4262, allocations: 30.74 MB / 0.6879 GB, free: 73.51 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.955e-05/0.4262, allocations: 243.5 kB / 0.6881 GB, free: 73.23 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001335/0.4275, allocations: 1.482 MB / 0.6895 GB, free: 71.73 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 0.0001721/0.4277, allocations: 65.7 kB / 0.6896 GB, free: 71.66 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003894/0.4281, allocations: 1.527 MB / 0.6911 GB, free: 70.13 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004635/0.4286, allocations: 0.9551 MB / 0.692 GB, free: 69.19 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006495/0.4292, allocations: 0.636 MB / 0.6926 GB, free: 68.55 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 3.068e-05/0.4293, allocations: 305.1 kB / 0.6929 GB, free: 68.25 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002953/0.4322, allocations: 2.69 MB / 0.6956 GB, free: 65.55 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003157/0.4354, allocations: 3.648 MB / 0.6991 GB, free: 61.5 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006239/0.4416, allocations: 6.402 MB / 0.7054 GB, free: 54.7 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.885e-05/0.4416, allocations: 11.98 kB / 0.7054 GB, free: 54.69 MB / 0.5573 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 0.01449/0.4561, allocations: 10.8 MB / 0.7159 GB, free: 43.82 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 3.459e-05/0.4561, allocations: 16 kB / 0.7159 GB, free: 43.81 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.68e-05/0.4562, allocations: 33.95 kB / 0.716 GB, free: 43.78 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009515/0.4657, allocations: 5.535 MB / 0.7214 GB, free: 38.23 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002356/0.4681, allocations: 0.9984 MB / 0.7224 GB, free: 37.23 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02279/0.4908, allocations: 27.49 MB / 0.7492 GB, free: 9.422 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00277/0.4936, allocations: 0.5733 MB / 0.7498 GB, free: 8.848 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002114/0.4938, allocations: 155.9 kB / 0.7499 GB, free: 8.695 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004778/0.4986, allocations: 3.984 MB / 0.7538 GB, free: 4.703 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003196/0.5018, allocations: 3.611 MB / 0.7573 GB, free: 0.6914 MB / 0.5573 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04653/0.5483, allocations: 24.47 MB / 0.7812 GB, free: 7.75 MB / 0.5886 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.697e-05/0.5484, allocations: 8 kB / 0.7812 GB, free: 7.742 MB / 0.5886 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 0.01483/0.5632, allocations: 10.18 MB / 0.7912 GB, free: 13.5 MB / 0.6042 GB Notification: Performance of prepare postOptimizeDAE: time 2.487e-05/0.5632, allocations: 16 kB / 0.7912 GB, free: 13.48 MB / 0.6042 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.807e-05/0.5632, allocations: 28 kB / 0.7912 GB, free: 13.46 MB / 0.6042 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.008093/0.5713, allocations: 4.329 MB / 0.7954 GB, free: 9.109 MB / 0.6042 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002434/0.5738, allocations: 1.041 MB / 0.7965 GB, free: 8.07 MB / 0.6042 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02234/0.5961, allocations: 26.25 MB / 0.8221 GB, free: 13.25 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002941/0.5991, allocations: 0.5576 MB / 0.8226 GB, free: 12.69 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002076/0.5993, allocations: 155.9 kB / 0.8228 GB, free: 12.54 MB / 0.6355 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 0.0007382/0.6, allocations: 387.4 kB / 0.8232 GB, free: 12.15 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003347/0.6003, allocations: 214.7 kB / 0.8234 GB, free: 11.94 MB / 0.6355 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 0.0143/0.6146, allocations: 9.935 MB / 0.8331 GB, free: 1.973 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.524e-05/0.6146, allocations: 28 kB / 0.8331 GB, free: 1.945 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.398e-05/0.6147, allocations: 12 kB / 0.8331 GB, free: 1.934 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.593e-05/0.6147, allocations: 15.95 kB / 0.8331 GB, free: 1.918 MB / 0.6355 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 0.0201/0.6348, allocations: 15.37 MB / 0.8481 GB, free: 2.426 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.003e-05/0.6348, allocations: 8 kB / 0.8481 GB, free: 2.418 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001613/0.6364, allocations: 0.7335 MB / 0.8489 GB, free: 1.684 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.009464/0.6459, allocations: 5.168 MB / 0.8539 GB, free: 12.5 MB / 0.6667 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002045/0.6461, allocations: 79.95 kB / 0.854 GB, free: 12.42 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02484/0.6709, allocations: 26.55 MB / 0.8799 GB, free: 1.477 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.583e-06/0.6709, allocations: 12 kB / 0.8799 GB, free: 1.465 MB / 0.6823 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 0.01462/0.6855, allocations: 9.853 MB / 0.8895 GB, free: 7.406 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00127/0.6868, allocations: 0.6622 MB / 0.8902 GB, free: 6.746 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002263/0.687, allocations: 55.94 kB / 0.8902 GB, free: 6.691 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001739/0.6888, allocations: 0.5071 MB / 0.8907 GB, free: 6.184 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006346/0.6894, allocations: 242.3 kB / 0.891 GB, free: 5.949 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001434/0.6895, allocations: 91.95 kB / 0.891 GB, free: 5.859 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.001109/0.6907, allocations: 0.9723 MB / 0.892 GB, free: 4.883 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.81e-07/0.6907, allocations: 4 kB / 0.892 GB, free: 4.879 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.004481/0.6951, allocations: 1.84 MB / 0.8938 GB, free: 3.039 MB / 0.698 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 : 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 Backend phase and start with SimCode phase: time 0.01457/0.7097, allocations: 10.51 MB / 0.9041 GB, free: 8.297 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.01677/0.7265, allocations: 12.02 MB / 0.9158 GB, free: 12.16 MB / 0.7292 GB Notification: Performance of simCode: created event and clocks part: time 9.658e-06/0.7265, allocations: 0 / 0.9158 GB, free: 12.16 MB / 0.7292 GB Notification: Performance of simCode: created simulation system equations: time 0.006046/0.7325, allocations: 4.254 MB / 0.92 GB, free: 7.875 MB / 0.7292 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001407/0.7339, allocations: 273 kB / 0.9202 GB, free: 7.613 MB / 0.7292 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 simCode: created linear, non-linear and system jacobian parts: time 0.2845/1.018, allocations: 41.4 MB / 0.9606 GB, free: 242.7 MB / 0.7292 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002192/1.021, allocations: 2.286 MB / 0.9629 GB, free: 242.1 MB / 0.7292 GB Notification: Performance of simCode: alias equations: time 0.002708/1.023, allocations: 1.651 MB / 0.9645 GB, free: 242 MB / 0.7292 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009914/1.024, allocations: 1.212 MB / 0.9657 GB, free: 241 MB / 0.7292 GB Notification: Performance of SimCode: time 1.212e-06/1.024, allocations: 0 / 0.9657 GB, free: 241 MB / 0.7292 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09493/1.119, allocations: 103.4 MB / 1.067 GB, free: 143.4 MB / 0.7292 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.18/11.3, allocations: 14.94 kB / 1.067 GB, free: 143.4 MB / 0.7292 GB " [Timeout remaining time 649] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 13.863173269666731] Failed to read output from testmodel.py, exit status != 0: 11.425251715816557 11.429026578 11.376697029 Calling exit ...