Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.001343/0.001343, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.001458/0.001458, allocations: 213 kB / 22.25 MB, free: 4.855 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 1.446/1.446, allocations: 230.6 MB / 256 MB, free: 7.785 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 3.266/3.266, allocations: 0.4892 GB / 0.7944 GB, free: 35.59 MB / 0.6231 GB " [Timeout remaining time 176] 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.BalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.002001/0.002001, allocations: 67.06 kB / 1.153 GB, free: 25.82 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3154/0.3174, allocations: 176.1 MB / 1.325 GB, free: 2.32 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02524/0.3426, allocations: 17.86 MB / 1.343 GB, free: 408 kB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.01247/0.3551, allocations: 6.719 MB / 1.349 GB, free: 9.664 MB / 1.045 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001381/0.3564, allocations: 67.69 kB / 1.349 GB, free: 9.598 MB / 1.045 GB Notification: Performance of NFTyping.typeComponents: time 0.00416/0.3606, allocations: 1.472 MB / 1.351 GB, free: 8.121 MB / 1.045 GB Notification: Performance of NFTyping.typeBindings: time 0.003392/0.364, allocations: 1.447 MB / 1.352 GB, free: 6.668 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.003016/0.367, allocations: 1.27 MB / 1.353 GB, free: 5.398 MB / 1.045 GB Notification: Performance of NFFlatten.flatten: time 0.006072/0.3731, allocations: 5.445 MB / 1.359 GB, free: 15.94 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004581/0.3777, allocations: 3.346 MB / 1.362 GB, free: 12.49 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003384/0.381, allocations: 2.412 MB / 1.364 GB, free: 10.07 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004537/0.3856, allocations: 2.991 MB / 1.367 GB, free: 7.074 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 0.0009059/0.3865, allocations: 0.5117 MB / 1.368 GB, free: 6.562 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002398/0.3889, allocations: 1.205 MB / 1.369 GB, free: 5.355 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.002579/0.3915, allocations: 2.299 MB / 1.371 GB, free: 3.051 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.002391/0.3939, allocations: 1.771 MB / 1.373 GB, free: 1.273 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.00861/0.4025, allocations: 7.788 MB / 1.38 GB, free: 9.461 MB / 1.076 GB Notification: Performance of FrontEnd - DAE generated: time 4.598e-06/0.4025, allocations: 0 / 1.38 GB, free: 9.461 MB / 1.076 GB Notification: Performance of FrontEnd: time 1.713e-06/0.4025, allocations: 4 kB / 1.38 GB, free: 9.457 MB / 1.076 GB Notification: Performance of Transformations before backend: time 0.0001564/0.4026, allocations: 0 / 1.38 GB, free: 9.457 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.008191/0.4108, allocations: 3.8 MB / 1.384 GB, free: 5.609 MB / 1.076 GB Notification: Performance of prepare preOptimizeDAE: time 4.072e-05/0.4109, allocations: 8.031 kB / 1.384 GB, free: 5.602 MB / 1.076 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001018/0.4119, allocations: 0.5423 MB / 1.385 GB, free: 5.051 MB / 1.076 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01354/0.4254, allocations: 2.421 MB / 1.387 GB, free: 2.625 MB / 1.076 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005506/0.4309, allocations: 2.162 MB / 1.389 GB, free: 440 kB / 1.076 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002781/0.4312, allocations: 271.2 kB / 1.389 GB, free: 168 kB / 1.076 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001227/0.4324, allocations: 344 kB / 1.39 GB, free: 15.82 MB / 1.092 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01573/0.4482, allocations: 7.2 MB / 1.397 GB, free: 8.512 MB / 1.092 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.271e-05/0.4483, allocations: 11.89 kB / 1.397 GB, free: 8.5 MB / 1.092 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000451/0.4487, allocations: 156 kB / 1.397 GB, free: 8.348 MB / 1.092 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004955/0.4492, allocations: 330 kB / 1.397 GB, free: 8.023 MB / 1.092 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01689/0.4661, allocations: 7.02 MB / 1.404 GB, free: 0.9844 MB / 1.092 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0357/0.5018, allocations: 18.43 MB / 1.422 GB, free: 13.98 MB / 1.123 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008685/0.5105, allocations: 3.721 MB / 1.426 GB, free: 10.23 MB / 1.123 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006577/0.5171, allocations: 2.53 MB / 1.428 GB, free: 7.68 MB / 1.123 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002616/0.5173, allocations: 45.97 kB / 1.428 GB, free: 7.633 MB / 1.123 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.677e-05/0.5174, allocations: 56.5 kB / 1.428 GB, free: 7.57 MB / 1.123 GB Notification: Performance of pre-optimization done (n=208): time 4.709e-06/0.5174, allocations: 7.938 kB / 1.428 GB, free: 7.562 MB / 1.123 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1143/0.6317, allocations: 30.74 MB / 1.458 GB, free: 8.844 MB / 1.154 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002172/0.6319, allocations: 239.6 kB / 1.459 GB, free: 8.559 MB / 1.154 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002464/0.6344, allocations: 1.482 MB / 1.46 GB, free: 7.066 MB / 1.154 GB Notification: Performance of collectPreVariables (initialization): time 0.0004035/0.6348, allocations: 65.7 kB / 1.46 GB, free: 6.996 MB / 1.154 GB Notification: Performance of collectInitialEqns (initialization): time 0.001216/0.636, allocations: 1.538 MB / 1.462 GB, free: 5.441 MB / 1.154 GB Notification: Performance of collectInitialBindings (initialization): time 0.001176/0.6372, allocations: 0.9644 MB / 1.463 GB, free: 4.469 MB / 1.154 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001417/0.6386, allocations: 0.636 MB / 1.463 GB, free: 3.824 MB / 1.154 GB Notification: Performance of setup shared object (initialization): time 0.0001437/0.6388, allocations: 301.1 kB / 1.463 GB, free: 3.527 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006627/0.6454, allocations: 2.694 MB / 1.466 GB, free: 0.8242 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007753/0.6531, allocations: 3.65 MB / 1.47 GB, free: 12.77 MB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01502/0.6682, allocations: 6.402 MB / 1.476 GB, free: 5.973 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.459e-05/0.6682, allocations: 12 kB / 1.476 GB, free: 5.961 MB / 1.17 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03232/0.7005, allocations: 10.76 MB / 1.486 GB, free: 11.13 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 5.213e-05/0.7006, allocations: 20 kB / 1.486 GB, free: 11.11 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001187/0.7007, allocations: 27.94 kB / 1.486 GB, free: 11.08 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02224/0.7229, allocations: 5.56 MB / 1.492 GB, free: 5.508 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004837/0.7278, allocations: 0.9906 MB / 1.493 GB, free: 4.516 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04964/0.7774, allocations: 27.48 MB / 1.52 GB, free: 8.66 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004658/0.7821, allocations: 0.5695 MB / 1.52 GB, free: 8.09 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006765/0.7827, allocations: 155.9 kB / 1.52 GB, free: 7.938 MB / 1.217 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00906/0.7918, allocations: 3.98 MB / 1.524 GB, free: 3.949 MB / 1.217 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007608/0.7994, allocations: 3.619 MB / 1.528 GB, free: 15.94 MB / 1.232 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0959/0.8953, allocations: 24.48 MB / 1.552 GB, free: 6.973 MB / 1.248 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.925e-05/0.8953, allocations: 8 kB / 1.552 GB, free: 6.965 MB / 1.248 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02821/0.9235, allocations: 10.17 MB / 1.562 GB, free: 12.72 MB / 1.264 GB Notification: Performance of prepare postOptimizeDAE: time 3.704e-05/0.9236, allocations: 16.56 kB / 1.562 GB, free: 12.7 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.11e-05/0.9236, allocations: 28 kB / 1.562 GB, free: 12.68 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01635/0.94, allocations: 4.317 MB / 1.566 GB, free: 8.336 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004817/0.9448, allocations: 1.037 MB / 1.567 GB, free: 7.297 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04015/0.9849, allocations: 26.28 MB / 1.593 GB, free: 12.43 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004543/0.9895, allocations: 0.5576 MB / 1.593 GB, free: 11.87 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005716/0.9901, allocations: 151.9 kB / 1.593 GB, free: 11.72 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001202/0.9913, allocations: 403.3 kB / 1.594 GB, free: 11.32 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007452/0.992, allocations: 202.7 kB / 1.594 GB, free: 11.12 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02851/1.021, allocations: 9.935 MB / 1.604 GB, free: 1.148 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.839e-05/1.021, allocations: 32 kB / 1.604 GB, free: 1.117 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.703e-05/1.021, allocations: 15.94 kB / 1.604 GB, free: 1.102 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.679e-05/1.021, allocations: 11.95 kB / 1.604 GB, free: 1.09 MB / 1.295 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6782/1.699, allocations: 15.38 MB / 1.619 GB, free: 257 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.43e-05/1.699, allocations: 10.31 kB / 1.619 GB, free: 257 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003463/1.702, allocations: 0.7397 MB / 1.619 GB, free: 257 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0184/1.721, allocations: 5.173 MB / 1.624 GB, free: 256.4 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004948/1.721, allocations: 77.77 kB / 1.624 GB, free: 256.3 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03517/1.756, allocations: 26.51 MB / 1.65 GB, free: 242.8 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.206e-05/1.756, allocations: 11.78 kB / 1.65 GB, free: 242.8 MB / 1.295 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02325/1.78, allocations: 9.907 MB / 1.66 GB, free: 238.1 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002012/1.782, allocations: 0.6553 MB / 1.661 GB, free: 237.5 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006494/1.782, allocations: 63.89 kB / 1.661 GB, free: 237.4 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003521/1.786, allocations: 0.507 MB / 1.661 GB, free: 236.9 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007035/1.787, allocations: 237.2 kB / 1.661 GB, free: 236.7 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002603/1.787, allocations: 91.95 kB / 1.662 GB, free: 236.6 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001363/1.788, allocations: 0.9684 MB / 1.663 GB, free: 235.6 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.31e-07/1.788, allocations: 0 / 1.663 GB, free: 235.6 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.005798/1.794, allocations: 1.85 MB / 1.664 GB, free: 233.8 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 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02302/1.817, allocations: 10.56 MB / 1.675 GB, free: 223 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02594/1.843, allocations: 12.03 MB / 1.686 GB, free: 210.9 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.856e-05/1.843, allocations: 5.938 kB / 1.686 GB, free: 210.9 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009455/1.852, allocations: 4.235 MB / 1.691 GB, free: 206.6 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00246/1.855, allocations: 259.9 kB / 1.691 GB, free: 206.4 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08477/1.94, allocations: 41.89 MB / 1.732 GB, free: 163.3 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002798/1.942, allocations: 2.275 MB / 1.734 GB, free: 161 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004088/1.947, allocations: 1.648 MB / 1.736 GB, free: 159.4 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001522/1.948, allocations: 1.206 MB / 1.737 GB, free: 158.2 MB / 1.295 GB Notification: Performance of SimCode: time 1.372e-06/1.948, allocations: 0.7656 kB / 1.737 GB, free: 158.2 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1403/2.088, allocations: 103.4 MB / 1.838 GB, free: 55.35 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.06/18.15, allocations: 7.938 kB / 1.838 GB, free: 55.34 MB / 1.295 GB " [Timeout remaining time 282] (rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 24.88276357203722] Failed to read output from testmodel.py, exit status != 0: 18.344649348873645 18.361063354 17.955952174 Calling exit ...