Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 0.001314/0.001314, allocations: 110.4 kB / 18.94 MB, free: 2.949 MB / 14.72 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 0.001496/0.001496, allocations: 214.6 kB / 22.26 MB, free: 5.125 MB / 14.72 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 1.412/1.412, allocations: 230.6 MB / 256 MB, free: 7.98 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.169/3.169, allocations: 0.505 GB / 0.8101 GB, free: 21.96 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001935/0.001935, allocations: 75.62 kB / 1.177 GB, free: 17 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3881/0.39, allocations: 180.2 MB / 1.353 GB, free: 8.316 MB / 1.045 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02614/0.4162, allocations: 19.29 MB / 1.372 GB, free: 4.957 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.01308/0.4292, allocations: 7.077 MB / 1.379 GB, free: 13.86 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001826/0.4311, allocations: 63.75 kB / 1.379 GB, free: 13.8 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.004359/0.4354, allocations: 1.538 MB / 1.38 GB, free: 12.26 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.004131/0.4396, allocations: 1.451 MB / 1.382 GB, free: 10.8 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.003642/0.4432, allocations: 1.308 MB / 1.383 GB, free: 9.492 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.007721/0.4509, allocations: 5.472 MB / 1.388 GB, free: 4.008 MB / 1.076 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005525/0.4565, allocations: 3.417 MB / 1.392 GB, free: 0.4961 MB / 1.076 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004197/0.4606, allocations: 2.411 MB / 1.394 GB, free: 14.08 MB / 1.092 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005642/0.4663, allocations: 3.167 MB / 1.397 GB, free: 10.9 MB / 1.092 GB Notification: Performance of NFPackage.collectConstants: time 0.001194/0.4675, allocations: 0.5156 MB / 1.398 GB, free: 10.39 MB / 1.092 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002879/0.4704, allocations: 1.299 MB / 1.399 GB, free: 9.086 MB / 1.092 GB Notification: Performance of NFScalarize.scalarize: time 0.003051/0.4734, allocations: 2.303 MB / 1.401 GB, free: 6.777 MB / 1.092 GB Notification: Performance of NFVerifyModel.verify: time 0.003741/0.4772, allocations: 2.187 MB / 1.403 GB, free: 4.582 MB / 1.092 GB Notification: Performance of NFConvertDAE.convert: time 0.01069/0.4878, allocations: 7.796 MB / 1.411 GB, free: 12.76 MB / 1.107 GB Notification: Performance of FrontEnd - DAE generated: time 7.594e-06/0.4878, allocations: 0 / 1.411 GB, free: 12.76 MB / 1.107 GB Notification: Performance of FrontEnd: time 4.889e-06/0.4879, allocations: 3.984 kB / 1.411 GB, free: 12.76 MB / 1.107 GB Notification: Performance of Transformations before backend: time 0.0002314/0.4881, allocations: 0 / 1.411 GB, free: 12.76 MB / 1.107 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01076/0.4988, allocations: 3.836 MB / 1.415 GB, free: 8.875 MB / 1.107 GB Notification: Performance of prepare preOptimizeDAE: time 5.384e-05/0.4989, allocations: 12.03 kB / 1.415 GB, free: 8.863 MB / 1.107 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001068/0.5, allocations: 0.5465 MB / 1.415 GB, free: 8.309 MB / 1.107 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01298/0.5129, allocations: 2.433 MB / 1.418 GB, free: 5.871 MB / 1.107 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006696/0.5196, allocations: 2.166 MB / 1.42 GB, free: 3.672 MB / 1.107 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002896/0.5199, allocations: 275.2 kB / 1.42 GB, free: 3.402 MB / 1.107 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001378/0.5213, allocations: 344 kB / 1.42 GB, free: 3.066 MB / 1.107 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0189/0.5402, allocations: 7.162 MB / 1.427 GB, free: 11.8 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000217/0.5404, allocations: 4 kB / 1.427 GB, free: 11.8 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00194/0.5424, allocations: 152 kB / 1.427 GB, free: 11.65 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006633/0.543, allocations: 334.1 kB / 1.428 GB, free: 11.32 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01896/0.562, allocations: 7.051 MB / 1.435 GB, free: 4.258 MB / 1.123 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 0.04434/0.6063, allocations: 26.09 MB / 1.46 GB, free: 8.027 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008532/0.6149, allocations: 3.736 MB / 1.464 GB, free: 4.266 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006206/0.6211, allocations: 2.526 MB / 1.466 GB, free: 1.715 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002735/0.6213, allocations: 53.94 kB / 1.466 GB, free: 1.66 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.78e-05/0.6214, allocations: 64.5 kB / 1.466 GB, free: 1.59 MB / 1.154 GB Notification: Performance of pre-optimization done (n=208): time 5.34e-06/0.6214, allocations: 0 / 1.466 GB, free: 1.59 MB / 1.154 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 0.1029/0.7243, allocations: 30.8 MB / 1.496 GB, free: 2.809 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001598/0.7244, allocations: 243.5 kB / 1.497 GB, free: 2.52 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002314/0.7268, allocations: 1.473 MB / 1.498 GB, free: 1.039 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.0004802/0.7272, allocations: 73.7 kB / 1.498 GB, free: 0.9609 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.001158/0.7284, allocations: 1.554 MB / 1.5 GB, free: 15.39 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 0.001021/0.7294, allocations: 0.9605 MB / 1.501 GB, free: 14.42 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001112/0.7305, allocations: 0.6398 MB / 1.501 GB, free: 13.77 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001392/0.7307, allocations: 312.9 kB / 1.501 GB, free: 13.46 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005931/0.7366, allocations: 2.686 MB / 1.504 GB, free: 10.77 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006727/0.7433, allocations: 3.563 MB / 1.508 GB, free: 6.828 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01289/0.7562, allocations: 6.41 MB / 1.514 GB, free: 20 kB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.008e-05/0.7562, allocations: 8 kB / 1.514 GB, free: 12 kB / 1.201 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 0.02832/0.7846, allocations: 10.8 MB / 1.524 GB, free: 5.137 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 5.293e-05/0.7846, allocations: 16 kB / 1.524 GB, free: 5.121 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.96e-05/0.7847, allocations: 28 kB / 1.524 GB, free: 5.094 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02004/0.8047, allocations: 5.537 MB / 1.53 GB, free: 15.54 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004635/0.8093, allocations: 0.9906 MB / 1.531 GB, free: 14.55 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04454/0.8539, allocations: 27.89 MB / 1.558 GB, free: 2.281 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00437/0.8583, allocations: 0.5694 MB / 1.559 GB, free: 1.711 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003886/0.8586, allocations: 152 kB / 1.559 GB, free: 1.562 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008335/0.867, allocations: 3.984 MB / 1.563 GB, free: 13.57 MB / 1.264 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007007/0.874, allocations: 3.532 MB / 1.566 GB, free: 9.66 MB / 1.264 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08714/0.9611, allocations: 24.46 MB / 1.59 GB, free: 0.7188 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.861e-05/0.9611, allocations: 8 kB / 1.59 GB, free: 0.7109 MB / 1.279 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 0.02621/0.9874, allocations: 10.17 MB / 1.6 GB, free: 6.469 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 3.823e-05/0.9874, allocations: 20.5 kB / 1.6 GB, free: 6.449 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.54e-05/0.9875, allocations: 31.97 kB / 1.6 GB, free: 6.418 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01539/1.003, allocations: 4.325 MB / 1.604 GB, free: 2.078 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004627/1.007, allocations: 1.041 MB / 1.605 GB, free: 1.035 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7324/1.74, allocations: 26.72 MB / 1.631 GB, free: 221.2 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004802/1.745, allocations: 0.5541 MB / 1.632 GB, free: 221.2 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007871/1.745, allocations: 158 kB / 1.632 GB, free: 221.2 MB / 1.295 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 0.001345/1.747, allocations: 404.4 kB / 1.632 GB, free: 220.9 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008779/1.748, allocations: 208.7 kB / 1.633 GB, free: 220.9 MB / 1.295 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 0.02838/1.776, allocations: 9.931 MB / 1.642 GB, free: 218.3 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.141e-05/1.776, allocations: 27.66 kB / 1.642 GB, free: 218.3 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.728e-05/1.776, allocations: 12.03 kB / 1.642 GB, free: 218.3 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.889e-05/1.776, allocations: 13.73 kB / 1.642 GB, free: 218.3 MB / 1.295 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 0.03709/1.813, allocations: 16.02 MB / 1.658 GB, free: 212.8 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.976e-05/1.813, allocations: 11.22 kB / 1.658 GB, free: 212.8 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00328/1.817, allocations: 0.7264 MB / 1.659 GB, free: 212.7 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01706/1.834, allocations: 5.172 MB / 1.664 GB, free: 210.3 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006279/1.834, allocations: 78.56 kB / 1.664 GB, free: 210.2 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03388/1.868, allocations: 26.96 MB / 1.69 GB, free: 187.9 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.424e-06/1.868, allocations: 12.03 kB / 1.69 GB, free: 187.9 MB / 1.295 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 0.02236/1.891, allocations: 9.884 MB / 1.7 GB, free: 177.8 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002067/1.893, allocations: 0.6584 MB / 1.7 GB, free: 177.1 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008086/1.893, allocations: 55.95 kB / 1.701 GB, free: 177.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003636/1.897, allocations: 0.507 MB / 1.701 GB, free: 176.6 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008906/1.898, allocations: 238.2 kB / 1.701 GB, free: 176.4 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004116/1.898, allocations: 91.95 kB / 1.701 GB, free: 176.3 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001562/1.9, allocations: 1.005 MB / 1.702 GB, free: 175.3 MB / 1.295 GB Notification: Performance of sort global known variables: time 8e-08/1.9, allocations: 0 / 1.702 GB, free: 175.3 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.007271/1.907, allocations: 1.852 MB / 1.704 GB, free: 173.4 MB / 1.295 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 0.02337/1.931, allocations: 10.53 MB / 1.714 GB, free: 162.7 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02612/1.957, allocations: 12.02 MB / 1.726 GB, free: 150.5 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.521e-05/1.957, allocations: 0 / 1.726 GB, free: 150.5 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009653/1.966, allocations: 4.27 MB / 1.73 GB, free: 146.2 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002933/1.969, allocations: 294.4 kB / 1.731 GB, free: 146 MB / 1.295 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. 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.conv1.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.conv1.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 simCode: created linear, non-linear and system jacobian parts: time 0.09015/2.059, allocations: 42.12 MB / 1.772 GB, free: 102.6 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003705/2.063, allocations: 2.849 MB / 1.775 GB, free: 99.76 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004417/2.068, allocations: 1.658 MB / 1.776 GB, free: 98.1 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001784/2.069, allocations: 1.222 MB / 1.777 GB, free: 96.88 MB / 1.295 GB Notification: Performance of SimCode: time 8.92e-07/2.069, allocations: 0 / 1.777 GB, free: 96.88 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1583/2.228, allocations: 107.7 MB / 1.883 GB, free: 5.43 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.45/19.68, allocations: 7.938 kB / 1.883 GB, free: 5.422 MB / 1.311 GB " [Timeout remaining time 280] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 26.474259484999948] Failed to read output from testmodel.py, exit status != 0: 19.84599246000016 19.87605217 19.382523346 Calling exit ...