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 0.001729/0.001729, allocations: 103.3 kB / 16.45 MB, free: 6.449 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 0.001871/0.001871, allocations: 212.9 kB / 19.43 MB, free: 3.637 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 1.441/1.441, allocations: 230.6 MB / 252.8 MB, free: 9.109 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 2.739/2.739, allocations: 476.7 MB / 0.7672 GB, free: 5.227 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 0.002225/0.002225, allocations: 71.88 kB / 1.112 GB, free: 1.449 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7692/0.7714, allocations: 169.9 MB / 1.278 GB, free: 13.38 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02384/0.7953, allocations: 18.53 MB / 1.296 GB, free: 10.78 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01184/0.8071, allocations: 6.909 MB / 1.303 GB, free: 3.852 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001303/0.8084, allocations: 71.69 kB / 1.303 GB, free: 3.781 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.003693/0.8121, allocations: 1.49 MB / 1.305 GB, free: 2.289 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.003032/0.8152, allocations: 1.44 MB / 1.306 GB, free: 0.8438 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002789/0.8179, allocations: 1.267 MB / 1.307 GB, free: 15.57 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.005712/0.8237, allocations: 5.441 MB / 1.313 GB, free: 10.12 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005904/0.8296, allocations: 5.161 MB / 1.318 GB, free: 4.848 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002839/0.8324, allocations: 2.396 MB / 1.32 GB, free: 2.445 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00384/0.8362, allocations: 3.155 MB / 1.323 GB, free: 15.28 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.0007/0.8369, allocations: 0.5117 MB / 1.324 GB, free: 14.77 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002137/0.8391, allocations: 1.276 MB / 1.325 GB, free: 13.49 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.002151/0.8412, allocations: 2.296 MB / 1.327 GB, free: 11.19 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.002365/0.8436, allocations: 2.167 MB / 1.329 GB, free: 9.016 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.007806/0.8514, allocations: 7.745 MB / 1.337 GB, free: 1.246 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 8.336e-06/0.8514, allocations: 3.984 kB / 1.337 GB, free: 1.242 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.804e-06/0.8514, allocations: 8 kB / 1.337 GB, free: 1.234 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0001632/0.8516, allocations: 0 / 1.337 GB, free: 1.234 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 0.009096/0.8607, allocations: 3.866 MB / 1.341 GB, free: 13.3 MB / 1.045 GB Notification: Performance of prepare preOptimizeDAE: time 4.508e-05/0.8607, allocations: 12.02 kB / 1.341 GB, free: 13.29 MB / 1.045 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008126/0.8615, allocations: 0.5423 MB / 1.341 GB, free: 12.74 MB / 1.045 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01348/0.875, allocations: 2.425 MB / 1.344 GB, free: 10.31 MB / 1.045 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004632/0.8796, allocations: 2.179 MB / 1.346 GB, free: 8.078 MB / 1.045 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002107/0.8798, allocations: 265.9 kB / 1.346 GB, free: 7.82 MB / 1.045 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000761/0.8806, allocations: 347.9 kB / 1.346 GB, free: 7.48 MB / 1.045 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01543/0.896, allocations: 7.122 MB / 1.353 GB, free: 264 kB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.88e-05/0.8961, allocations: 7.938 kB / 1.353 GB, free: 256 kB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007662/0.8969, allocations: 148 kB / 1.353 GB, free: 108 kB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005285/0.8974, allocations: 334 kB / 1.354 GB, free: 15.78 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01697/0.9144, allocations: 7.028 MB / 1.361 GB, free: 8.734 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 0.03553/0.9499, allocations: 26.47 MB / 1.386 GB, free: 12.11 MB / 1.092 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008799/0.9587, allocations: 4.868 MB / 1.391 GB, free: 6.938 MB / 1.092 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006291/0.965, allocations: 2.538 MB / 1.394 GB, free: 4.379 MB / 1.092 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002591/0.9653, allocations: 131 kB / 1.394 GB, free: 4.23 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.82e-05/0.9653, allocations: 60.55 kB / 1.394 GB, free: 4.164 MB / 1.092 GB Notification: Performance of pre-optimization done (n=208): time 3.567e-06/0.9653, allocations: 0 / 1.394 GB, free: 4.164 MB / 1.092 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 0.1128/1.078, allocations: 31.06 MB / 1.424 GB, free: 5.035 MB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001624/1.078, allocations: 239.6 kB / 1.424 GB, free: 4.75 MB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002455/1.081, allocations: 1.431 MB / 1.426 GB, free: 3.309 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 0.0004556/1.081, allocations: 77.64 kB / 1.426 GB, free: 3.227 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.00118/1.082, allocations: 1.534 MB / 1.427 GB, free: 1.676 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.001219/1.084, allocations: 0.9644 MB / 1.428 GB, free: 0.7031 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002231/1.086, allocations: 0.636 MB / 1.429 GB, free: 60 kB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001892/1.086, allocations: 301.1 kB / 1.429 GB, free: 15.76 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006965/1.093, allocations: 2.698 MB / 1.432 GB, free: 13.05 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007342/1.1, allocations: 3.571 MB / 1.435 GB, free: 9.109 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01363/1.114, allocations: 6.402 MB / 1.442 GB, free: 2.309 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.505e-05/1.114, allocations: 8 kB / 1.442 GB, free: 2.301 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 0.03086/1.145, allocations: 10.95 MB / 1.452 GB, free: 7.242 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.389e-05/1.145, allocations: 16 kB / 1.452 GB, free: 7.227 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.162e-05/1.145, allocations: 24 kB / 1.452 GB, free: 7.203 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0214/1.166, allocations: 5.544 MB / 1.458 GB, free: 1.645 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004647/1.171, allocations: 0.9984 MB / 1.459 GB, free: 0.6445 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04787/1.219, allocations: 28.2 MB / 1.486 GB, free: 3.988 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004682/1.224, allocations: 0.581 MB / 1.487 GB, free: 3.406 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005939/1.224, allocations: 155.9 kB / 1.487 GB, free: 3.254 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008968/1.233, allocations: 3.982 MB / 1.491 GB, free: 15.26 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007252/1.24, allocations: 3.536 MB / 1.494 GB, free: 11.34 MB / 1.201 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09403/1.334, allocations: 24.64 MB / 1.518 GB, free: 2.195 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.52e-05/1.334, allocations: 8 kB / 1.518 GB, free: 2.188 MB / 1.217 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 0.02806/1.363, allocations: 10.47 MB / 1.529 GB, free: 7.57 MB / 1.232 GB Notification: Performance of prepare postOptimizeDAE: time 3.423e-05/1.363, allocations: 18.03 kB / 1.529 GB, free: 7.555 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.615e-05/1.363, allocations: 28 kB / 1.529 GB, free: 7.527 MB / 1.232 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01618/1.379, allocations: 4.323 MB / 1.533 GB, free: 3.188 MB / 1.232 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004969/1.384, allocations: 1.045 MB / 1.534 GB, free: 2.141 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04032/1.424, allocations: 27.12 MB / 1.56 GB, free: 6.301 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004775/1.429, allocations: 0.5615 MB / 1.561 GB, free: 5.738 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008979/1.43, allocations: 151.9 kB / 1.561 GB, free: 5.59 MB / 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 0.001961/1.432, allocations: 403.3 kB / 1.561 GB, free: 5.188 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001322/1.433, allocations: 198.8 kB / 1.562 GB, free: 4.992 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 0.03023/1.463, allocations: 10.08 MB / 1.571 GB, free: 10.84 MB / 1.279 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.678e-05/1.463, allocations: 28 kB / 1.571 GB, free: 10.81 MB / 1.279 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.089e-05/1.463, allocations: 15.94 kB / 1.571 GB, free: 10.8 MB / 1.279 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.576e-05/1.463, allocations: 15.94 kB / 1.571 GB, free: 10.78 MB / 1.279 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 0.0396/1.503, allocations: 16.19 MB / 1.587 GB, free: 10.34 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.511e-05/1.503, allocations: 8 kB / 1.587 GB, free: 10.33 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003508/1.507, allocations: 0.7335 MB / 1.588 GB, free: 9.598 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01986/1.526, allocations: 5.181 MB / 1.593 GB, free: 4.398 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005921/1.527, allocations: 75.95 kB / 1.593 GB, free: 4.324 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6764/2.203, allocations: 27.25 MB / 1.62 GB, free: 309.7 MB / 1.311 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.527e-05/2.203, allocations: 11.69 kB / 1.62 GB, free: 309.7 MB / 1.311 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 0.02727/2.231, allocations: 10.02 MB / 1.63 GB, free: 307.1 MB / 1.311 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001509/2.232, allocations: 0.728 MB / 1.63 GB, free: 306.8 MB / 1.311 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003533/2.233, allocations: 58.31 kB / 1.63 GB, free: 306.8 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003464/2.236, allocations: 0.5058 MB / 1.631 GB, free: 306.8 MB / 1.311 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007753/2.237, allocations: 230.7 kB / 1.631 GB, free: 306.7 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002324/2.237, allocations: 89.55 kB / 1.631 GB, free: 306.7 MB / 1.311 GB Notification: Performance of sorting global known variables: time 0.001265/2.238, allocations: 0.9759 MB / 1.632 GB, free: 306.4 MB / 1.311 GB Notification: Performance of sort global known variables: time 9e-08/2.238, allocations: 0 / 1.632 GB, free: 306.4 MB / 1.311 GB Notification: Performance of remove unused functions: time 0.005087/2.243, allocations: 1.847 MB / 1.634 GB, free: 306.2 MB / 1.311 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 0.02292/2.266, allocations: 10.67 MB / 1.644 GB, free: 302.4 MB / 1.311 GB Notification: Performance of simCode: created initialization part: time 0.02607/2.292, allocations: 12.04 MB / 1.656 GB, free: 297.9 MB / 1.311 GB Notification: Performance of simCode: created event and clocks part: time 9.748e-06/2.292, allocations: 0 / 1.656 GB, free: 297.9 MB / 1.311 GB Notification: Performance of simCode: created simulation system equations: time 0.009889/2.302, allocations: 4.265 MB / 1.66 GB, free: 294 MB / 1.311 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00251/2.305, allocations: 262.8 kB / 1.66 GB, free: 293.8 MB / 1.311 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 0.08533/2.39, allocations: 41.56 MB / 1.701 GB, free: 251.1 MB / 1.311 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003112/2.393, allocations: 2.833 MB / 1.704 GB, free: 248.2 MB / 1.311 GB Notification: Performance of simCode: alias equations: time 0.004048/2.397, allocations: 1.658 MB / 1.705 GB, free: 246.6 MB / 1.311 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001618/2.399, allocations: 1.206 MB / 1.707 GB, free: 245.4 MB / 1.311 GB Notification: Performance of SimCode: time 1.343e-06/2.399, allocations: 0 / 1.707 GB, free: 245.4 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.137/2.536, allocations: 103.3 MB / 1.808 GB, free: 142.5 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.73/19.26, allocations: 5.719 kB / 1.808 GB, free: 142.5 MB / 1.311 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: 25.294065282912925] Failed to read output from testmodel.py, exit status != 0: 19.395034067099914 19.403567764 18.550044569 Calling exit ...