Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 0.001325/0.001325, allocations: 109.2 kB / 18.94 MB, free: 2.949 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001504/0.001504, allocations: 217 kB / 22.25 MB, free: 5.121 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: 7.992 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.861/2.861, allocations: 476.8 MB / 0.7707 GB, free: 4.328 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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_11_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_11_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 0.00279/0.00279, allocations: 69.25 kB / 1.118 GB, free: 8.965 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3536/0.3564, allocations: 169.9 MB / 1.283 GB, free: 3.746 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02562/0.382, allocations: 19.3 MB / 1.302 GB, free: 392 kB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01354/0.3955, allocations: 7.073 MB / 1.309 GB, free: 9.293 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001967/0.3975, allocations: 67.75 kB / 1.309 GB, free: 9.227 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.004513/0.402, allocations: 1.543 MB / 1.311 GB, free: 7.68 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.004226/0.4063, allocations: 1.451 MB / 1.312 GB, free: 6.223 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.003879/0.4101, allocations: 1.286 MB / 1.313 GB, free: 4.934 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.007229/0.4174, allocations: 5.484 MB / 1.319 GB, free: 15.44 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006046/0.4234, allocations: 3.398 MB / 1.322 GB, free: 11.95 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004409/0.4278, allocations: 2.412 MB / 1.325 GB, free: 9.527 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005583/0.4334, allocations: 3.179 MB / 1.328 GB, free: 6.34 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.001576/0.435, allocations: 0.5156 MB / 1.328 GB, free: 5.824 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003359/0.4383, allocations: 1.295 MB / 1.329 GB, free: 4.527 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.003688/0.442, allocations: 2.299 MB / 1.332 GB, free: 2.223 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.00443/0.4465, allocations: 2.191 MB / 1.334 GB, free: 24 kB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.01057/0.457, allocations: 7.8 MB / 1.341 GB, free: 8.199 MB / 1.045 GB Notification: Performance of FrontEnd - DAE generated: time 5.951e-06/0.457, allocations: 4 kB / 1.341 GB, free: 8.195 MB / 1.045 GB Notification: Performance of FrontEnd: time 1.753e-06/0.457, allocations: 0 / 1.341 GB, free: 8.195 MB / 1.045 GB Notification: Performance of Transformations before backend: time 0.0002283/0.4573, allocations: 0 / 1.341 GB, free: 8.195 MB / 1.045 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 0.01089/0.4681, allocations: 3.847 MB / 1.345 GB, free: 4.301 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 4.654e-05/0.4682, allocations: 8.031 kB / 1.345 GB, free: 4.293 MB / 1.045 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001832/0.47, allocations: 0.5426 MB / 1.346 GB, free: 3.742 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01385/0.4839, allocations: 2.436 MB / 1.348 GB, free: 1.301 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006764/0.4906, allocations: 2.169 MB / 1.35 GB, free: 15.1 MB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000331/0.491, allocations: 267.3 kB / 1.35 GB, free: 14.84 MB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001718/0.4927, allocations: 348 kB / 1.351 GB, free: 14.5 MB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01975/0.5124, allocations: 7.162 MB / 1.358 GB, free: 7.23 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001679/0.5126, allocations: 7.938 kB / 1.358 GB, free: 7.223 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001362/0.514, allocations: 144 kB / 1.358 GB, free: 7.082 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005821/0.5146, allocations: 334.1 kB / 1.358 GB, free: 6.754 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01862/0.5332, allocations: 7.051 MB / 1.365 GB, free: 15.69 MB / 1.076 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 0.04295/0.5761, allocations: 26.1 MB / 1.391 GB, free: 3.461 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008629/0.5848, allocations: 3.736 MB / 1.394 GB, free: 15.7 MB / 1.107 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006254/0.591, allocations: 2.53 MB / 1.397 GB, free: 13.14 MB / 1.107 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002937/0.5913, allocations: 57.88 kB / 1.397 GB, free: 13.09 MB / 1.107 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.783e-05/0.5914, allocations: 60.56 kB / 1.397 GB, free: 13.02 MB / 1.107 GB Notification: Performance of pre-optimization done (n=208): time 4.338e-06/0.5914, allocations: 0 / 1.397 GB, free: 13.02 MB / 1.107 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 0.1062/0.6975, allocations: 30.8 MB / 1.427 GB, free: 14.23 MB / 1.139 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001617/0.6977, allocations: 239.6 kB / 1.427 GB, free: 13.95 MB / 1.139 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00264/0.7003, allocations: 1.477 MB / 1.429 GB, free: 12.46 MB / 1.139 GB Notification: Performance of collectPreVariables (initialization): time 0.0005549/0.7009, allocations: 65.7 kB / 1.429 GB, free: 12.39 MB / 1.139 GB Notification: Performance of collectInitialEqns (initialization): time 0.001247/0.7021, allocations: 1.546 MB / 1.43 GB, free: 10.83 MB / 1.139 GB Notification: Performance of collectInitialBindings (initialization): time 0.001213/0.7034, allocations: 0.9722 MB / 1.431 GB, free: 9.852 MB / 1.139 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001194/0.7046, allocations: 0.6321 MB / 1.432 GB, free: 9.211 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 0.0001282/0.7047, allocations: 309.1 kB / 1.432 GB, free: 8.906 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006106/0.7108, allocations: 2.694 MB / 1.435 GB, free: 6.203 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006945/0.7177, allocations: 3.567 MB / 1.438 GB, free: 2.254 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01347/0.7312, allocations: 6.399 MB / 1.444 GB, free: 11.46 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.331e-05/0.7312, allocations: 12 kB / 1.444 GB, free: 11.45 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=410) (initialization): time 0.03072/0.762, allocations: 10.79 MB / 1.455 GB, free: 0.5898 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 5.466e-05/0.762, allocations: 16.56 kB / 1.455 GB, free: 0.5742 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.335e-05/0.7621, allocations: 31.94 kB / 1.455 GB, free: 0.543 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02096/0.783, allocations: 5.544 MB / 1.46 GB, free: 10.98 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004636/0.7877, allocations: 0.9945 MB / 1.461 GB, free: 9.984 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04751/0.8352, allocations: 27.89 MB / 1.489 GB, free: 13.71 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004632/0.8398, allocations: 0.5772 MB / 1.489 GB, free: 13.13 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006002/0.8404, allocations: 155.9 kB / 1.489 GB, free: 12.98 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008763/0.8492, allocations: 3.98 MB / 1.493 GB, free: 8.992 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007121/0.8563, allocations: 3.528 MB / 1.497 GB, free: 5.086 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08841/0.9447, allocations: 24.46 MB / 1.521 GB, free: 12.14 MB / 1.232 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.884e-05/0.9447, allocations: 8 kB / 1.521 GB, free: 12.14 MB / 1.232 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 0.02746/0.9722, allocations: 10.17 MB / 1.53 GB, free: 1.902 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 3.931e-05/0.9722, allocations: 19.94 kB / 1.53 GB, free: 1.883 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.212e-05/0.9723, allocations: 28.56 kB / 1.53 GB, free: 1.855 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01551/0.9878, allocations: 4.318 MB / 1.535 GB, free: 13.52 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005093/0.9929, allocations: 1.045 MB / 1.536 GB, free: 12.47 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03918/1.032, allocations: 26.73 MB / 1.562 GB, free: 1.125 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004632/1.037, allocations: 0.5576 MB / 1.562 GB, free: 0.5664 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004969/1.037, allocations: 159.9 kB / 1.563 GB, free: 420 kB / 1.264 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 0.001082/1.038, allocations: 394.2 kB / 1.563 GB, free: 20 kB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.7332/1.771, allocations: 209.5 kB / 1.563 GB, free: 260.8 MB / 1.264 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 0.03004/1.802, allocations: 9.925 MB / 1.573 GB, free: 260.6 MB / 1.264 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.054e-05/1.802, allocations: 27.33 kB / 1.573 GB, free: 260.6 MB / 1.264 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.631e-05/1.802, allocations: 12.34 kB / 1.573 GB, free: 260.6 MB / 1.264 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.173e-05/1.802, allocations: 15.88 kB / 1.573 GB, free: 260.6 MB / 1.264 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 0.03762/1.839, allocations: 16.01 MB / 1.589 GB, free: 255.7 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.401e-05/1.839, allocations: 8.188 kB / 1.589 GB, free: 255.7 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003314/1.843, allocations: 0.7325 MB / 1.589 GB, free: 255.6 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01775/1.86, allocations: 5.174 MB / 1.594 GB, free: 255.1 MB / 1.264 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006367/1.861, allocations: 73.14 kB / 1.594 GB, free: 255 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03276/1.894, allocations: 26.95 MB / 1.621 GB, free: 238.4 MB / 1.264 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.445e-06/1.894, allocations: 17.25 kB / 1.621 GB, free: 238.4 MB / 1.264 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 0.02191/1.916, allocations: 9.884 MB / 1.63 GB, free: 228.4 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001905/1.918, allocations: 0.6526 MB / 1.631 GB, free: 227.7 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005134/1.918, allocations: 59.98 kB / 1.631 GB, free: 227.7 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003409/1.922, allocations: 0.5093 MB / 1.632 GB, free: 227.2 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008076/1.922, allocations: 238.2 kB / 1.632 GB, free: 226.9 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002437/1.923, allocations: 91.95 kB / 1.632 GB, free: 226.8 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.001337/1.924, allocations: 0.9972 MB / 1.633 GB, free: 225.8 MB / 1.264 GB Notification: Performance of sort global known variables: time 1.1e-07/1.924, allocations: 3.938 kB / 1.633 GB, free: 225.8 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.005761/1.93, allocations: 1.855 MB / 1.635 GB, free: 224 MB / 1.264 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 0.02247/1.952, allocations: 10.53 MB / 1.645 GB, free: 213.2 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.02494/1.977, allocations: 12.02 MB / 1.657 GB, free: 201.1 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.147e-05/1.977, allocations: 4.062 kB / 1.657 GB, free: 201.1 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.009109/1.986, allocations: 4.274 MB / 1.661 GB, free: 196.8 MB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002127/1.988, allocations: 288.3 kB / 1.661 GB, free: 196.5 MB / 1.264 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 0.08492/2.073, allocations: 42.13 MB / 1.702 GB, free: 153.2 MB / 1.264 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002578/2.076, allocations: 2.849 MB / 1.705 GB, free: 150.3 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.003972/2.08, allocations: 1.649 MB / 1.707 GB, free: 148.7 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001533/2.081, allocations: 1.229 MB / 1.708 GB, free: 147.5 MB / 1.264 GB Notification: Performance of SimCode: time 1.733e-06/2.081, allocations: 384 / 1.708 GB, free: 147.5 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1453/2.227, allocations: 107.8 MB / 1.813 GB, free: 40.07 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.91/20.13, allocations: 3.938 kB / 1.813 GB, free: 40.07 MB / 1.264 GB " [Timeout remaining time 280] (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.mat --tempDir=temp_Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 26.751322015887126] Failed to read output from testmodel.py, exit status != 0: 20.298616297077388 20.309001504 19.849210951 Calling exit ...