Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_8_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_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001053/0.001053, allocations: 109.4 kB / 15.69 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001118/0.001118, allocations: 188.2 kB / 16.62 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.34/1.34, allocations: 205.1 MB / 222.5 MB, free: 4.559 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.69/1.69, allocations: 292.3 MB / 0.549 GB, free: 12.72 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001424/0.001424, allocations: 71.69 kB / 0.6718 GB, free: 26.12 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.247/0.2485, allocations: 114.5 MB / 0.7837 GB, free: 13.22 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02063/0.2692, allocations: 18.15 MB / 0.8014 GB, free: 11 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.0113/0.2805, allocations: 6.852 MB / 0.8081 GB, free: 4.125 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001814/0.2824, allocations: 55.88 kB / 0.8081 GB, free: 4.07 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003478/0.2859, allocations: 1.461 MB / 0.8096 GB, free: 2.605 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003379/0.2893, allocations: 1.393 MB / 0.8109 GB, free: 1.207 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003387/0.2927, allocations: 1.282 MB / 0.8122 GB, free: 15.93 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.006184/0.2989, allocations: 5.437 MB / 0.8175 GB, free: 10.48 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007806/0.3067, allocations: 7.19 MB / 0.8245 GB, free: 3.172 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003643/0.3104, allocations: 2.349 MB / 0.8268 GB, free: 0.8164 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004819/0.3152, allocations: 2.965 MB / 0.8297 GB, free: 13.84 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.000998/0.3162, allocations: 0.5156 MB / 0.8302 GB, free: 13.32 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00256/0.3188, allocations: 1.252 MB / 0.8314 GB, free: 12.07 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002257/0.3211, allocations: 2.238 MB / 0.8336 GB, free: 9.832 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.00256/0.3236, allocations: 2.171 MB / 0.8357 GB, free: 7.652 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.007064/0.3307, allocations: 7.725 MB / 0.8433 GB, free: 15.9 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.941e-06/0.3308, allocations: 0 / 0.8433 GB, free: 15.9 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.993e-06/0.3308, allocations: 0 / 0.8433 GB, free: 15.9 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001741/0.3309, allocations: 0 / 0.8433 GB, free: 15.9 MB / 0.67 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 0.008122/0.3391, allocations: 3.786 MB / 0.847 GB, free: 12.06 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.368e-05/0.3391, allocations: 8.031 kB / 0.847 GB, free: 12.05 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007322/0.3399, allocations: 0.5384 MB / 0.8475 GB, free: 11.51 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01232/0.3522, allocations: 2.341 MB / 0.8498 GB, free: 9.16 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005544/0.3578, allocations: 2.167 MB / 0.8519 GB, free: 6.949 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002141/0.358, allocations: 271.2 kB / 0.8522 GB, free: 6.684 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001159/0.3592, allocations: 343.9 kB / 0.8525 GB, free: 6.348 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01465/0.3739, allocations: 7.099 MB / 0.8594 GB, free: 15.14 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.767e-05/0.374, allocations: 7.938 kB / 0.8594 GB, free: 15.14 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004356/0.3744, allocations: 148 kB / 0.8596 GB, free: 14.99 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004445/0.3749, allocations: 326 kB / 0.8599 GB, free: 14.67 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01557/0.3905, allocations: 6.981 MB / 0.8667 GB, free: 7.68 MB / 0.6856 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 0.0347/0.4252, allocations: 26.37 MB / 0.8924 GB, free: 11.14 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007727/0.4329, allocations: 4.984 MB / 0.8973 GB, free: 5.848 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005638/0.4386, allocations: 2.6 MB / 0.8999 GB, free: 3.23 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002723/0.4389, allocations: 135 kB / 0.9 GB, free: 3.082 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.579e-05/0.439, allocations: 60.56 kB / 0.9 GB, free: 3.012 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 5.65e-06/0.439, allocations: 0 / 0.9 GB, free: 3.012 MB / 0.7169 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 0.5227/0.9617, allocations: 30.9 MB / 0.9302 GB, free: 124.2 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.131e-05/0.9618, allocations: 239 kB / 0.9304 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002015/0.9638, allocations: 1.402 MB / 0.9318 GB, free: 123.4 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.000462/0.9643, allocations: 72 kB / 0.9319 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007747/0.9651, allocations: 1.48 MB / 0.9333 GB, free: 122.2 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007571/0.9658, allocations: 0.9149 MB / 0.9342 GB, free: 121.5 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001071/0.9669, allocations: 0.6339 MB / 0.9348 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 4.375e-05/0.9669, allocations: 307.7 kB / 0.9351 GB, free: 120.9 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006319/0.9733, allocations: 2.67 MB / 0.9377 GB, free: 120.1 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007227/0.9805, allocations: 3.548 MB / 0.9412 GB, free: 118.2 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01304/0.9936, allocations: 6.381 MB / 0.9474 GB, free: 115.2 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.732e-05/0.9937, allocations: 12.19 kB / 0.9474 GB, free: 115.1 MB / 0.7325 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 0.02781/1.022, allocations: 10.98 MB / 0.9582 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.221e-05/1.022, allocations: 15.97 kB / 0.9582 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.967e-05/1.022, allocations: 30.88 kB / 0.9582 GB, free: 110.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01797/1.04, allocations: 5.462 MB / 0.9635 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004121/1.044, allocations: 0.9875 MB / 0.9645 GB, free: 107.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03406/1.078, allocations: 28.13 MB / 0.992 GB, free: 80.58 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004325/1.082, allocations: 0.5535 MB / 0.9925 GB, free: 80.03 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003604/1.083, allocations: 151.9 kB / 0.9927 GB, free: 79.88 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006562/1.089, allocations: 3.964 MB / 0.9965 GB, free: 75.91 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005115/1.094, allocations: 3.513 MB / 1 GB, free: 72.02 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07709/1.171, allocations: 24.56 MB / 1.024 GB, free: 46.98 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.589e-05/1.171, allocations: 8 kB / 1.024 GB, free: 46.97 MB / 0.7325 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 0.02225/1.194, allocations: 10.49 MB / 1.034 GB, free: 36.34 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.523e-05/1.194, allocations: 16 kB / 1.034 GB, free: 36.32 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.465e-05/1.194, allocations: 28.38 kB / 1.034 GB, free: 36.29 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01322/1.207, allocations: 4.26 MB / 1.038 GB, free: 32.02 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004256/1.211, allocations: 1.03 MB / 1.039 GB, free: 30.99 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02811/1.239, allocations: 27.08 MB / 1.066 GB, free: 3.234 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004376/1.244, allocations: 0.538 MB / 1.066 GB, free: 2.695 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000377/1.244, allocations: 159.9 kB / 1.067 GB, free: 2.539 MB / 0.7325 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001077/1.245, allocations: 403.8 kB / 1.067 GB, free: 2.141 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005087/1.246, allocations: 197.7 kB / 1.067 GB, free: 1.945 MB / 0.7325 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 0.02503/1.271, allocations: 10.16 MB / 1.077 GB, free: 7.707 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.368e-05/1.271, allocations: 28 kB / 1.077 GB, free: 7.68 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.029e-05/1.271, allocations: 12 kB / 1.077 GB, free: 7.668 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.198e-05/1.271, allocations: 15.95 kB / 1.077 GB, free: 7.652 MB / 0.7481 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 0.03391/1.305, allocations: 16.25 MB / 1.093 GB, free: 7.234 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.983e-05/1.305, allocations: 8 kB / 1.093 GB, free: 7.227 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003431/1.308, allocations: 0.7377 MB / 1.094 GB, free: 6.488 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01778/1.326, allocations: 5.103 MB / 1.099 GB, free: 1.371 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005495/1.327, allocations: 75.89 kB / 1.099 GB, free: 1.297 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.037/1.364, allocations: 27.21 MB / 1.125 GB, free: 5.609 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.368e-06/1.364, allocations: 12.03 kB / 1.125 GB, free: 5.598 MB / 0.795 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 0.02466/1.389, allocations: 10.09 MB / 1.135 GB, free: 11.25 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001719/1.39, allocations: 0.7093 MB / 1.136 GB, free: 10.52 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004193/1.391, allocations: 59.98 kB / 1.136 GB, free: 10.46 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003349/1.394, allocations: 0.5075 MB / 1.136 GB, free: 9.953 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000749/1.395, allocations: 226.3 kB / 1.137 GB, free: 9.73 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002287/1.395, allocations: 87.95 kB / 1.137 GB, free: 9.645 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001241/1.396, allocations: 0.9528 MB / 1.138 GB, free: 8.688 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.332e-06/1.396, allocations: 0 / 1.138 GB, free: 8.688 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.005638/1.402, allocations: 1.833 MB / 1.139 GB, free: 6.855 MB / 0.8106 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 0.0248/1.427, allocations: 10.75 MB / 1.15 GB, free: 11.85 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02823/1.455, allocations: 12.41 MB / 1.162 GB, free: 15.35 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 1.012e-05/1.455, allocations: 4.062 kB / 1.162 GB, free: 15.35 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.01031/1.465, allocations: 4.429 MB / 1.166 GB, free: 10.88 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00199/1.467, allocations: 262.2 kB / 1.167 GB, free: 10.63 MB / 0.8419 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 0.09253/1.56, allocations: 41.5 MB / 1.207 GB, free: 15.84 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002854/1.563, allocations: 2.836 MB / 1.21 GB, free: 12.97 MB / 0.8887 GB Notification: Performance of simCode: alias equations: time 0.004168/1.567, allocations: 1.634 MB / 1.212 GB, free: 11.33 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001527/1.569, allocations: 1.206 MB / 1.213 GB, free: 10.13 MB / 0.8887 GB Notification: Performance of SimCode: time 2.154e-06/1.569, allocations: 4 kB / 1.213 GB, free: 10.12 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5101/2.079, allocations: 100.8 MB / 1.311 GB, free: 302.9 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.24/17.32, allocations: 14.28 kB / 1.311 GB, free: 302.9 MB / 0.9356 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)