Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.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 0.001822/0.001822, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.002417/0.002417, allocations: 212.5 kB / 22.24 MB, free: 5.262 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 1.471/1.471, allocations: 230.6 MB / 256 MB, free: 7.789 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 3.426/3.426, allocations: 0.5107 GB / 0.8158 GB, free: 17.81 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.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.00216/0.00216, allocations: 74.83 kB / 1.186 GB, free: 13.69 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3312/0.3334, allocations: 181.9 MB / 1.363 GB, free: 14.03 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.0247/0.3581, allocations: 17.86 MB / 1.381 GB, free: 12.1 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.01322/0.3713, allocations: 6.715 MB / 1.387 GB, free: 5.371 MB / 1.076 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001626/0.3729, allocations: 63.75 kB / 1.388 GB, free: 5.309 MB / 1.076 GB Notification: Performance of NFTyping.typeComponents: time 0.004226/0.3771, allocations: 1.484 MB / 1.389 GB, free: 3.82 MB / 1.076 GB Notification: Performance of NFTyping.typeBindings: time 0.003821/0.381, allocations: 1.447 MB / 1.39 GB, free: 2.367 MB / 1.076 GB Notification: Performance of NFTyping.typeClassSections: time 0.003451/0.3844, allocations: 1.262 MB / 1.392 GB, free: 1.105 MB / 1.076 GB Notification: Performance of NFFlatten.flatten: time 0.007328/0.3917, allocations: 5.441 MB / 1.397 GB, free: 11.65 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006152/0.3979, allocations: 3.339 MB / 1.4 GB, free: 8.215 MB / 1.092 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004598/0.4025, allocations: 2.408 MB / 1.403 GB, free: 5.801 MB / 1.092 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00524/0.4077, allocations: 2.991 MB / 1.405 GB, free: 2.801 MB / 1.092 GB Notification: Performance of NFPackage.collectConstants: time 0.001157/0.4089, allocations: 0.5117 MB / 1.406 GB, free: 2.289 MB / 1.092 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002701/0.4116, allocations: 1.194 MB / 1.407 GB, free: 1.094 MB / 1.092 GB Notification: Performance of NFScalarize.scalarize: time 0.002928/0.4145, allocations: 2.299 MB / 1.409 GB, free: 14.79 MB / 1.107 GB Notification: Performance of NFVerifyModel.verify: time 0.003356/0.4179, allocations: 1.767 MB / 1.411 GB, free: 13.02 MB / 1.107 GB Notification: Performance of NFConvertDAE.convert: time 0.01022/0.4281, allocations: 7.78 MB / 1.419 GB, free: 5.211 MB / 1.107 GB Notification: Performance of FrontEnd - DAE generated: time 7.103e-06/0.4281, allocations: 0 / 1.419 GB, free: 5.211 MB / 1.107 GB Notification: Performance of FrontEnd: time 2.745e-06/0.4281, allocations: 0 / 1.419 GB, free: 5.211 MB / 1.107 GB Notification: Performance of Transformations before backend: time 0.0002451/0.4283, allocations: 0 / 1.419 GB, free: 5.211 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01072/0.4391, allocations: 3.793 MB / 1.422 GB, free: 1.371 MB / 1.107 GB Notification: Performance of prepare preOptimizeDAE: time 5.349e-05/0.4391, allocations: 12.03 kB / 1.422 GB, free: 1.359 MB / 1.107 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009617/0.4401, allocations: 0.5384 MB / 1.423 GB, free: 0.8125 MB / 1.107 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01309/0.4532, allocations: 2.425 MB / 1.425 GB, free: 14.38 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006257/0.4594, allocations: 2.165 MB / 1.427 GB, free: 12.18 MB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002922/0.4597, allocations: 271.2 kB / 1.428 GB, free: 11.92 MB / 1.123 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001226/0.4609, allocations: 348 kB / 1.428 GB, free: 11.58 MB / 1.123 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01576/0.4767, allocations: 7.202 MB / 1.435 GB, free: 4.25 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.389e-05/0.4768, allocations: 7.938 kB / 1.435 GB, free: 4.242 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005015/0.4773, allocations: 148 kB / 1.435 GB, free: 4.098 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005408/0.4778, allocations: 338 kB / 1.436 GB, free: 3.766 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01675/0.4946, allocations: 7.016 MB / 1.442 GB, free: 12.74 MB / 1.139 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 0.03353/0.5281, allocations: 18.43 MB / 1.46 GB, free: 9.723 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008346/0.5365, allocations: 3.714 MB / 1.464 GB, free: 5.992 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006394/0.5428, allocations: 2.53 MB / 1.466 GB, free: 3.438 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002358/0.5431, allocations: 45.97 kB / 1.467 GB, free: 3.391 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.031e-05/0.5431, allocations: 64.45 kB / 1.467 GB, free: 3.32 MB / 1.154 GB Notification: Performance of pre-optimization done (n=208): time 5.541e-06/0.5431, allocations: 3.938 kB / 1.467 GB, free: 3.316 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 0.1306/0.6738, allocations: 30.75 MB / 1.497 GB, free: 4.57 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00018/0.6739, allocations: 235.6 kB / 1.497 GB, free: 4.289 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002444/0.6764, allocations: 1.482 MB / 1.498 GB, free: 2.797 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.0005642/0.677, allocations: 73.7 kB / 1.498 GB, free: 2.719 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.001325/0.6783, allocations: 1.534 MB / 1.5 GB, free: 1.168 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.001304/0.6796, allocations: 0.9683 MB / 1.501 GB, free: 196 kB / 1.186 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001213/0.6808, allocations: 0.6321 MB / 1.501 GB, free: 15.55 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001696/0.681, allocations: 301.1 kB / 1.502 GB, free: 15.25 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006471/0.6874, allocations: 2.694 MB / 1.504 GB, free: 12.55 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007587/0.695, allocations: 3.65 MB / 1.508 GB, free: 8.504 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01372/0.7087, allocations: 6.414 MB / 1.514 GB, free: 1.691 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.641e-05/0.7088, allocations: 8 kB / 1.514 GB, free: 1.684 MB / 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 0.0301/0.7389, allocations: 10.8 MB / 1.525 GB, free: 6.82 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 4.966e-05/0.7389, allocations: 16.56 kB / 1.525 GB, free: 6.805 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.634e-05/0.739, allocations: 32 kB / 1.525 GB, free: 6.773 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02017/0.7591, allocations: 5.532 MB / 1.53 GB, free: 1.227 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00437/0.7635, allocations: 0.9984 MB / 1.531 GB, free: 232 kB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04597/0.8095, allocations: 27.48 MB / 1.558 GB, free: 4.379 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004447/0.8139, allocations: 0.5771 MB / 1.559 GB, free: 3.801 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003797/0.8143, allocations: 151.9 kB / 1.559 GB, free: 3.652 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008027/0.8223, allocations: 3.984 MB / 1.563 GB, free: 15.66 MB / 1.264 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006815/0.8292, allocations: 3.615 MB / 1.566 GB, free: 11.65 MB / 1.264 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09097/0.9201, allocations: 24.47 MB / 1.59 GB, free: 2.699 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.205e-05/0.9202, allocations: 8 kB / 1.59 GB, free: 2.691 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 0.02789/0.9481, allocations: 10.18 MB / 1.6 GB, free: 8.438 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 3.11e-05/0.9481, allocations: 20.03 kB / 1.6 GB, free: 8.418 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.214e-05/0.9481, allocations: 31.98 kB / 1.6 GB, free: 8.387 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01619/0.9643, allocations: 4.321 MB / 1.604 GB, free: 4.051 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004895/0.9692, allocations: 1.037 MB / 1.605 GB, free: 3.012 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7064/1.676, allocations: 26.24 MB / 1.631 GB, free: 213 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004356/1.68, allocations: 0.5537 MB / 1.631 GB, free: 212.9 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000433/1.68, allocations: 155.1 kB / 1.632 GB, free: 212.9 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 0.0007883/1.681, allocations: 398.3 kB / 1.632 GB, free: 212.6 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005379/1.682, allocations: 206.2 kB / 1.632 GB, free: 212.6 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 0.02674/1.709, allocations: 9.926 MB / 1.642 GB, free: 210 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.094e-05/1.709, allocations: 27 kB / 1.642 GB, free: 210 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.683e-05/1.709, allocations: 20.66 kB / 1.642 GB, free: 210 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.523e-05/1.709, allocations: 13.56 kB / 1.642 GB, free: 210 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 0.03363/1.742, allocations: 15.35 MB / 1.657 GB, free: 204.8 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.942e-05/1.742, allocations: 8.562 kB / 1.657 GB, free: 204.8 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003219/1.746, allocations: 0.7347 MB / 1.658 GB, free: 204.8 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01671/1.762, allocations: 5.174 MB / 1.663 GB, free: 203.7 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004941/1.763, allocations: 77.59 kB / 1.663 GB, free: 203.6 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03102/1.794, allocations: 26.55 MB / 1.689 GB, free: 182.5 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.144e-06/1.794, allocations: 12.03 kB / 1.689 GB, free: 182.5 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 0.02362/1.817, allocations: 9.879 MB / 1.698 GB, free: 172.4 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0025/1.82, allocations: 0.6526 MB / 1.699 GB, free: 171.8 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008755/1.821, allocations: 51.98 kB / 1.699 GB, free: 171.7 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004693/1.826, allocations: 0.5116 MB / 1.699 GB, free: 171.2 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000939/1.826, allocations: 238.2 kB / 1.7 GB, free: 171 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003399/1.827, allocations: 91.89 kB / 1.7 GB, free: 170.9 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001776/1.829, allocations: 0.9723 MB / 1.701 GB, free: 169.9 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.7e-07/1.829, allocations: 0 / 1.701 GB, free: 169.9 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.009287/1.838, allocations: 1.848 MB / 1.703 GB, free: 168.1 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 0.03092/1.869, allocations: 10.53 MB / 1.713 GB, free: 157.3 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.0257/1.894, allocations: 12.02 MB / 1.725 GB, free: 145.2 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 2.949e-05/1.895, allocations: 0 / 1.725 GB, free: 145.2 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.00956/1.904, allocations: 4.273 MB / 1.729 GB, free: 140.9 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002365/1.906, allocations: 267.7 kB / 1.729 GB, free: 140.7 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 simCode: created linear, non-linear and system jacobian parts: time 0.08164/1.988, allocations: 41.36 MB / 1.769 GB, free: 98.12 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002376/1.99, allocations: 2.271 MB / 1.772 GB, free: 95.81 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.00398/1.994, allocations: 1.666 MB / 1.773 GB, free: 94.14 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001535/1.996, allocations: 1.206 MB / 1.774 GB, free: 92.94 MB / 1.295 GB Notification: Performance of SimCode: time 1.283e-06/1.996, allocations: 0 / 1.774 GB, free: 92.94 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1446/2.141, allocations: 103.3 MB / 1.875 GB, free: 6.16 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.15/18.29, allocations: 25.3 kB / 1.875 GB, free: 6.141 MB / 1.311 GB " [Timeout remaining time 282] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 25.38071620790288] Failed to read output from testmodel.py, exit status != 0: 18.46390163898468 18.493132535 18.058667219 Calling exit ...