Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_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 0.001636/0.001636, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.002115/0.002115, allocations: 213.6 kB / 22.25 MB, free: 5.082 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 1.411/1.411, allocations: 230.6 MB / 256 MB, free: 8.008 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.126/3.126, allocations: 0.49 GB / 0.7951 GB, free: 33.32 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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_12_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_12_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 0.001959/0.001959, allocations: 67.8 kB / 1.154 GB, free: 25.68 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3687/0.3706, allocations: 176.1 MB / 1.326 GB, free: 1.895 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02441/0.3951, allocations: 19.29 MB / 1.345 GB, free: 14.54 MB / 1.045 GB Notification: Performance of NFInst.instExpressions: time 0.01229/0.4073, allocations: 7.077 MB / 1.352 GB, free: 7.449 MB / 1.045 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001634/0.409, allocations: 63.75 kB / 1.352 GB, free: 7.387 MB / 1.045 GB Notification: Performance of NFTyping.typeComponents: time 0.00463/0.4136, allocations: 1.531 MB / 1.353 GB, free: 5.852 MB / 1.045 GB Notification: Performance of NFTyping.typeBindings: time 0.004364/0.418, allocations: 1.451 MB / 1.355 GB, free: 4.395 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.003426/0.4214, allocations: 1.309 MB / 1.356 GB, free: 3.086 MB / 1.045 GB Notification: Performance of NFFlatten.flatten: time 0.007237/0.4286, allocations: 5.476 MB / 1.361 GB, free: 13.6 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005468/0.4341, allocations: 3.41 MB / 1.365 GB, free: 10.09 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004287/0.4384, allocations: 2.408 MB / 1.367 GB, free: 7.672 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005532/0.4439, allocations: 3.175 MB / 1.37 GB, free: 4.488 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.001132/0.4451, allocations: 0.5117 MB / 1.371 GB, free: 3.977 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002689/0.4477, allocations: 1.291 MB / 1.372 GB, free: 2.684 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.002522/0.4503, allocations: 2.303 MB / 1.374 GB, free: 384 kB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.003117/0.4534, allocations: 2.202 MB / 1.376 GB, free: 14.16 MB / 1.076 GB Notification: Performance of NFConvertDAE.convert: time 0.008854/0.4622, allocations: 7.792 MB / 1.384 GB, free: 6.348 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 4.9e-06/0.4622, allocations: 0 / 1.384 GB, free: 6.348 MB / 1.076 GB Notification: Performance of FrontEnd: time 1.713e-06/0.4622, allocations: 0 / 1.384 GB, free: 6.348 MB / 1.076 GB Notification: Performance of Transformations before backend: time 0.0001748/0.4624, allocations: 0 / 1.384 GB, free: 6.348 MB / 1.076 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 0.008393/0.4708, allocations: 3.836 MB / 1.388 GB, free: 2.465 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 4.816e-05/0.4709, allocations: 12.03 kB / 1.388 GB, free: 2.453 MB / 1.076 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008182/0.4717, allocations: 0.5465 MB / 1.388 GB, free: 1.898 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01287/0.4845, allocations: 2.436 MB / 1.391 GB, free: 15.45 MB / 1.092 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005963/0.4905, allocations: 2.162 MB / 1.393 GB, free: 13.26 MB / 1.092 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002632/0.4908, allocations: 275.2 kB / 1.393 GB, free: 12.99 MB / 1.092 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00119/0.492, allocations: 356 kB / 1.393 GB, free: 12.64 MB / 1.092 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01491/0.5069, allocations: 7.151 MB / 1.4 GB, free: 5.391 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.965e-05/0.5069, allocations: 0 / 1.4 GB, free: 5.391 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004248/0.5074, allocations: 152 kB / 1.4 GB, free: 5.242 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004802/0.5078, allocations: 342 kB / 1.401 GB, free: 4.91 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01637/0.5242, allocations: 7.047 MB / 1.408 GB, free: 13.84 MB / 1.107 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 0.03722/0.5614, allocations: 26.11 MB / 1.433 GB, free: 1.602 MB / 1.123 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007835/0.5693, allocations: 3.729 MB / 1.437 GB, free: 13.84 MB / 1.139 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005861/0.5751, allocations: 2.526 MB / 1.439 GB, free: 11.3 MB / 1.139 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000215/0.5754, allocations: 53.92 kB / 1.439 GB, free: 11.25 MB / 1.139 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.621e-05/0.5754, allocations: 72.48 kB / 1.439 GB, free: 11.17 MB / 1.139 GB Notification: Performance of pre-optimization done (n=208): time 3.697e-06/0.5754, allocations: 0 / 1.439 GB, free: 11.17 MB / 1.139 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 0.1029/0.6783, allocations: 30.79 MB / 1.469 GB, free: 12.39 MB / 1.17 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001623/0.6785, allocations: 235.6 kB / 1.47 GB, free: 12.11 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002411/0.6809, allocations: 1.473 MB / 1.471 GB, free: 10.63 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.0005641/0.6814, allocations: 73.64 kB / 1.471 GB, free: 10.55 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.001143/0.6826, allocations: 1.55 MB / 1.473 GB, free: 8.984 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.00118/0.6837, allocations: 0.9722 MB / 1.474 GB, free: 8.004 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001085/0.6848, allocations: 0.6398 MB / 1.474 GB, free: 7.355 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001299/0.685, allocations: 313.1 kB / 1.475 GB, free: 7.047 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006013/0.691, allocations: 2.686 MB / 1.477 GB, free: 4.352 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006748/0.6977, allocations: 3.567 MB / 1.481 GB, free: 420 kB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01287/0.7106, allocations: 6.402 MB / 1.487 GB, free: 9.609 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.049e-05/0.7106, allocations: 4 kB / 1.487 GB, free: 9.605 MB / 1.186 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 0.02865/0.7393, allocations: 10.81 MB / 1.497 GB, free: 14.73 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 4.337e-05/0.7393, allocations: 16 kB / 1.497 GB, free: 14.71 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.847e-05/0.7394, allocations: 28 kB / 1.497 GB, free: 14.69 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0199/0.7593, allocations: 5.54 MB / 1.503 GB, free: 9.133 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004471/0.7637, allocations: 0.9944 MB / 1.504 GB, free: 8.137 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04533/0.8091, allocations: 27.89 MB / 1.531 GB, free: 11.87 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004601/0.8137, allocations: 0.5694 MB / 1.532 GB, free: 11.3 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004784/0.8141, allocations: 155.9 kB / 1.532 GB, free: 11.14 MB / 1.232 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008336/0.8225, allocations: 3.988 MB / 1.536 GB, free: 7.148 MB / 1.232 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006961/0.8294, allocations: 3.532 MB / 1.539 GB, free: 3.234 MB / 1.232 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08849/0.9179, allocations: 24.46 MB / 1.563 GB, free: 10.3 MB / 1.264 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.947e-05/0.918, allocations: 8 kB / 1.563 GB, free: 10.29 MB / 1.264 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 0.02675/0.9447, allocations: 10.17 MB / 1.573 GB, free: 56 kB / 1.264 GB Notification: Performance of prepare postOptimizeDAE: time 5.579e-05/0.9448, allocations: 19.94 kB / 1.573 GB, free: 36 kB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.617e-05/0.9448, allocations: 27.98 kB / 1.573 GB, free: 8 kB / 1.264 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01556/0.9604, allocations: 4.318 MB / 1.577 GB, free: 11.67 MB / 1.279 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004824/0.9652, allocations: 1.045 MB / 1.578 GB, free: 10.62 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6928/1.658, allocations: 26.73 MB / 1.604 GB, free: 255.5 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004669/1.663, allocations: 0.5558 MB / 1.605 GB, free: 255.5 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004617/1.663, allocations: 152.5 kB / 1.605 GB, free: 255.5 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 0.000843/1.664, allocations: 396.4 kB / 1.605 GB, free: 255.3 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005766/1.665, allocations: 211.1 kB / 1.606 GB, free: 255.3 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 0.0267/1.691, allocations: 9.931 MB / 1.615 GB, free: 255.1 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.017e-05/1.691, allocations: 27.66 kB / 1.615 GB, free: 255.1 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.829e-05/1.691, allocations: 12.97 kB / 1.615 GB, free: 255.1 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.884e-05/1.691, allocations: 15 kB / 1.615 GB, free: 255.1 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 0.03462/1.726, allocations: 16.01 MB / 1.631 GB, free: 250 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.053e-05/1.726, allocations: 11.5 kB / 1.631 GB, free: 250 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003196/1.729, allocations: 0.7337 MB / 1.632 GB, free: 250 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01676/1.746, allocations: 5.18 MB / 1.637 GB, free: 249.4 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008154/1.747, allocations: 74.53 kB / 1.637 GB, free: 249.4 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03235/1.779, allocations: 26.95 MB / 1.663 GB, free: 232.8 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.021e-06/1.779, allocations: 11.84 kB / 1.663 GB, free: 232.8 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 0.0209/1.8, allocations: 9.883 MB / 1.673 GB, free: 223.4 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001749/1.802, allocations: 0.6565 MB / 1.674 GB, free: 222.7 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004002/1.802, allocations: 63.05 kB / 1.674 GB, free: 222.7 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003172/1.805, allocations: 0.507 MB / 1.674 GB, free: 222.2 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006595/1.806, allocations: 238.2 kB / 1.674 GB, free: 221.9 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000194/1.806, allocations: 95.94 kB / 1.674 GB, free: 221.8 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001185/1.807, allocations: 1.001 MB / 1.675 GB, free: 220.8 MB / 1.295 GB Notification: Performance of sort global known variables: time 7.1e-08/1.807, allocations: 0 / 1.675 GB, free: 220.8 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.005301/1.813, allocations: 1.858 MB / 1.677 GB, free: 219 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 0.02135/1.834, allocations: 10.54 MB / 1.687 GB, free: 208.2 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02401/1.858, allocations: 12.02 MB / 1.699 GB, free: 196.1 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.166e-05/1.858, allocations: 4 kB / 1.699 GB, free: 196.1 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.008711/1.867, allocations: 4.264 MB / 1.703 GB, free: 191.8 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001973/1.869, allocations: 290.7 kB / 1.704 GB, free: 191.6 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. 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 0.07969/1.948, allocations: 42.12 MB / 1.745 GB, free: 148.2 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002382/1.951, allocations: 2.857 MB / 1.748 GB, free: 145.3 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.003694/1.955, allocations: 1.654 MB / 1.749 GB, free: 143.7 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001332/1.956, allocations: 1.226 MB / 1.75 GB, free: 142.5 MB / 1.295 GB Notification: Performance of SimCode: time 9.11e-07/1.956, allocations: 0 / 1.75 GB, free: 142.5 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.157/2.113, allocations: 107.8 MB / 1.856 GB, free: 35.09 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.34/19.45, allocations: 10.56 kB / 1.856 GB, free: 35.09 MB / 1.295 GB " [Timeout remaining time 280] (rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 26.120190629000717] Failed to read output from testmodel.py, exit status != 0: 19.6170883220002 19.634578159 19.168645554 Calling exit ...