Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001322/0.001322, allocations: 103.6 kB / 18.95 MB, free: 2.547 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 0.001556/0.001556, allocations: 214.6 kB / 22.25 MB, free: 4.867 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 1.437/1.437, allocations: 230.6 MB / 256 MB, free: 7.797 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 2.803/2.803, allocations: 476 MB / 0.7699 GB, free: 4.707 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.BalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002123/0.002123, allocations: 66.02 kB / 1.117 GB, free: 40.51 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2627/0.2649, allocations: 170 MB / 1.283 GB, free: 12.15 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02388/0.2887, allocations: 17.86 MB / 1.3 GB, free: 10.24 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01187/0.3006, allocations: 6.727 MB / 1.307 GB, free: 3.5 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001214/0.3018, allocations: 67.75 kB / 1.307 GB, free: 3.434 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.003945/0.3058, allocations: 1.48 MB / 1.308 GB, free: 1.949 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003649/0.3094, allocations: 1.443 MB / 1.31 GB, free: 0.5 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003141/0.3126, allocations: 1.263 MB / 1.311 GB, free: 15.24 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.006183/0.3187, allocations: 5.449 MB / 1.316 GB, free: 9.777 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004632/0.3234, allocations: 3.319 MB / 1.319 GB, free: 6.363 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003289/0.3267, allocations: 2.404 MB / 1.322 GB, free: 3.953 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00436/0.331, allocations: 3.003 MB / 1.325 GB, free: 0.9414 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.000845/0.3319, allocations: 0.5117 MB / 1.325 GB, free: 440 kB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002232/0.3341, allocations: 1.194 MB / 1.326 GB, free: 15.23 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.002355/0.3364, allocations: 2.292 MB / 1.329 GB, free: 12.94 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.002316/0.3388, allocations: 1.775 MB / 1.33 GB, free: 11.16 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.008328/0.3471, allocations: 7.786 MB / 1.338 GB, free: 3.348 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.358e-06/0.3471, allocations: 0 / 1.338 GB, free: 3.348 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.823e-06/0.3471, allocations: 0 / 1.338 GB, free: 3.348 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0001302/0.3472, allocations: 4 kB / 1.338 GB, free: 3.344 MB / 1.029 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 0.007738/0.355, allocations: 3.793 MB / 1.342 GB, free: 15.5 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 4.8e-05/0.355, allocations: 12.03 kB / 1.342 GB, free: 15.49 MB / 1.045 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008031/0.3558, allocations: 0.5423 MB / 1.342 GB, free: 14.94 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01305/0.3689, allocations: 2.417 MB / 1.345 GB, free: 12.52 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00623/0.3751, allocations: 2.162 MB / 1.347 GB, free: 10.32 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002742/0.3754, allocations: 271.2 kB / 1.347 GB, free: 10.06 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001126/0.3765, allocations: 344 kB / 1.347 GB, free: 9.723 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01497/0.3915, allocations: 7.209 MB / 1.354 GB, free: 2.391 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.535e-05/0.3915, allocations: 0 / 1.354 GB, free: 2.391 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004562/0.392, allocations: 148 kB / 1.354 GB, free: 2.246 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000505/0.3925, allocations: 330 kB / 1.355 GB, free: 1.922 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01666/0.4092, allocations: 7.02 MB / 1.362 GB, free: 10.89 MB / 1.061 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 0.0336/0.4428, allocations: 18.45 MB / 1.38 GB, free: 7.855 MB / 1.076 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008658/0.4514, allocations: 3.73 MB / 1.383 GB, free: 4.102 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00632/0.4577, allocations: 2.51 MB / 1.386 GB, free: 1.566 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002083/0.458, allocations: 45.97 kB / 1.386 GB, free: 1.52 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.583e-05/0.458, allocations: 64.5 kB / 1.386 GB, free: 1.449 MB / 1.076 GB Notification: Performance of pre-optimization done (n=208): time 4.579e-06/0.458, allocations: 0 / 1.386 GB, free: 1.449 MB / 1.076 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 0.1122/0.5702, allocations: 30.76 MB / 1.416 GB, free: 2.711 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001593/0.5704, allocations: 243.5 kB / 1.416 GB, free: 2.422 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002333/0.5727, allocations: 1.482 MB / 1.417 GB, free: 0.9297 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0003732/0.5731, allocations: 65.7 kB / 1.418 GB, free: 0.8594 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.001222/0.5743, allocations: 1.538 MB / 1.419 GB, free: 15.3 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.001121/0.5754, allocations: 0.9605 MB / 1.42 GB, free: 14.33 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001321/0.5767, allocations: 0.6399 MB / 1.421 GB, free: 13.68 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001223/0.5768, allocations: 301.1 kB / 1.421 GB, free: 13.39 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006293/0.5831, allocations: 2.69 MB / 1.424 GB, free: 10.69 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007331/0.5905, allocations: 3.65 MB / 1.427 GB, free: 6.641 MB / 1.123 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01421/0.6047, allocations: 6.399 MB / 1.433 GB, free: 15.84 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.106e-05/0.6047, allocations: 8 kB / 1.433 GB, free: 15.84 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=410) (initialization): time 0.03121/0.6359, allocations: 10.81 MB / 1.444 GB, free: 4.961 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 4.346e-05/0.636, allocations: 16 kB / 1.444 GB, free: 4.945 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.744e-05/0.636, allocations: 24.19 kB / 1.444 GB, free: 4.922 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02089/0.6569, allocations: 5.533 MB / 1.449 GB, free: 15.37 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004648/0.6616, allocations: 0.9945 MB / 1.45 GB, free: 14.38 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04787/0.7094, allocations: 27.48 MB / 1.477 GB, free: 2.523 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004596/0.714, allocations: 0.581 MB / 1.478 GB, free: 1.941 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005664/0.7146, allocations: 155.9 kB / 1.478 GB, free: 1.789 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008633/0.7232, allocations: 3.98 MB / 1.482 GB, free: 13.8 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007592/0.7308, allocations: 3.611 MB / 1.485 GB, free: 9.785 MB / 1.186 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09538/0.8262, allocations: 24.48 MB / 1.509 GB, free: 0.8359 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.195e-05/0.8262, allocations: 11.92 kB / 1.509 GB, free: 0.8242 MB / 1.201 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 0.02769/0.8539, allocations: 10.18 MB / 1.519 GB, free: 6.574 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 3.258e-05/0.8539, allocations: 16 kB / 1.519 GB, free: 6.559 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.833e-05/0.854, allocations: 28 kB / 1.519 GB, free: 6.531 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01574/0.8697, allocations: 4.318 MB / 1.523 GB, free: 2.195 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004651/0.8744, allocations: 1.045 MB / 1.524 GB, free: 1.148 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03979/0.9142, allocations: 26.26 MB / 1.55 GB, free: 6.309 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004655/0.9188, allocations: 0.5616 MB / 1.551 GB, free: 5.746 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006342/0.9195, allocations: 151.9 kB / 1.551 GB, free: 5.598 MB / 1.248 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 0.001264/0.9207, allocations: 400 kB / 1.551 GB, free: 5.199 MB / 1.248 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007233/0.9215, allocations: 202.7 kB / 1.551 GB, free: 5 MB / 1.248 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 0.02776/0.9492, allocations: 9.928 MB / 1.561 GB, free: 11.04 MB / 1.264 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.433e-05/0.9492, allocations: 28 kB / 1.561 GB, free: 11.01 MB / 1.264 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.702e-05/0.9493, allocations: 12 kB / 1.561 GB, free: 11 MB / 1.264 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.058e-05/0.9493, allocations: 15.95 kB / 1.561 GB, free: 10.98 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 0.03763/0.9869, allocations: 15.35 MB / 1.576 GB, free: 11.46 MB / 1.279 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.146e-05/0.987, allocations: 8 kB / 1.576 GB, free: 11.45 MB / 1.279 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003455/0.9904, allocations: 0.7419 MB / 1.577 GB, free: 10.71 MB / 1.279 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01932/1.01, allocations: 5.169 MB / 1.582 GB, free: 5.523 MB / 1.279 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004367/1.01, allocations: 71.94 kB / 1.582 GB, free: 5.453 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.5946/1.605, allocations: 26.54 MB / 1.608 GB, free: 293.4 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.464e-05/1.605, allocations: 12.89 kB / 1.608 GB, free: 293.4 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 0.0279/1.633, allocations: 9.862 MB / 1.617 GB, free: 292.2 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00228/1.635, allocations: 0.663 MB / 1.618 GB, free: 292 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004602/1.635, allocations: 55.06 kB / 1.618 GB, free: 292 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00353/1.639, allocations: 0.5044 MB / 1.619 GB, free: 291.9 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006994/1.64, allocations: 239.5 kB / 1.619 GB, free: 291.9 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002205/1.64, allocations: 98.48 kB / 1.619 GB, free: 291.9 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001322/1.641, allocations: 0.968 MB / 1.62 GB, free: 291.5 MB / 1.295 GB Notification: Performance of sort global known variables: time 1.1e-07/1.641, allocations: 1.281 kB / 1.62 GB, free: 291.5 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.00537/1.647, allocations: 1.845 MB / 1.622 GB, free: 291.3 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 0.0227/1.669, allocations: 10.54 MB / 1.632 GB, free: 287.8 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.02516/1.694, allocations: 12.03 MB / 1.644 GB, free: 283.1 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.063e-05/1.694, allocations: 4 kB / 1.644 GB, free: 283.1 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.009342/1.704, allocations: 4.273 MB / 1.648 GB, free: 279.6 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00226/1.706, allocations: 267 kB / 1.648 GB, free: 279.3 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 simCode: created linear, non-linear and system jacobian parts: time 0.08179/1.788, allocations: 41.34 MB / 1.689 GB, free: 237 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002809/1.791, allocations: 2.272 MB / 1.691 GB, free: 234.7 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.004151/1.795, allocations: 1.661 MB / 1.692 GB, free: 233 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001554/1.796, allocations: 1.206 MB / 1.694 GB, free: 231.8 MB / 1.295 GB Notification: Performance of SimCode: time 8.71e-07/1.796, allocations: 0 / 1.694 GB, free: 231.8 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1362/1.933, allocations: 103.3 MB / 1.794 GB, free: 129.1 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.01/17.94, allocations: 6.469 kB / 1.794 GB, free: 129.1 MB / 1.295 GB " [Timeout remaining time 281] (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 24.492301564197987] Failed to read output from testmodel.py, exit status != 0: 18.56306742085144 18.134696753 17.783504744 Calling exit ...