Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.004624/0.004625, allocations: 101 kB / 15.73 MB, free: 6.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001283/0.001283, allocations: 195.2 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.004172/0.004172, allocations: 286.3 kB / 290.8 MB, free: 14.44 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.09/1.09, allocations: 169.2 MB / 0.4983 GB, free: 4.434 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002782/0.002782, allocations: 104 kB / 0.6811 GB, free: 7.34 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3958/0.3986, allocations: 86.98 MB / 0.766 GB, free: 3.809 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02366/0.4223, allocations: 18.24 MB / 0.7838 GB, free: 1.496 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01207/0.4344, allocations: 6.82 MB / 0.7905 GB, free: 10.66 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001539/0.436, allocations: 55.88 kB / 0.7905 GB, free: 10.6 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003948/0.44, allocations: 1.477 MB / 0.792 GB, free: 9.121 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.00379/0.4438, allocations: 1.404 MB / 0.7934 GB, free: 7.711 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003213/0.447, allocations: 1.288 MB / 0.7946 GB, free: 6.422 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006252/0.4533, allocations: 5.464 MB / 0.8 GB, free: 0.9453 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008685/0.462, allocations: 7.109 MB / 0.8069 GB, free: 9.727 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003563/0.4656, allocations: 2.361 MB / 0.8092 GB, free: 7.359 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005042/0.4706, allocations: 2.972 MB / 0.8121 GB, free: 4.379 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001603/0.4723, allocations: 0.5117 MB / 0.8126 GB, free: 3.867 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003196/0.4755, allocations: 1.272 MB / 0.8138 GB, free: 2.594 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003031/0.4785, allocations: 2.25 MB / 0.816 GB, free: 348 kB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.003606/0.4822, allocations: 2.194 MB / 0.8182 GB, free: 14.13 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01011/0.4923, allocations: 7.793 MB / 0.8258 GB, free: 6.324 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 5.941e-06/0.4923, allocations: 0 / 0.8258 GB, free: 6.324 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.804e-06/0.4923, allocations: 4 kB / 0.8258 GB, free: 6.32 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0002063/0.4925, allocations: 0 / 0.8258 GB, free: 6.32 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01047/0.503, allocations: 3.911 MB / 0.8296 GB, free: 2.344 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.544e-05/0.5031, allocations: 12.03 kB / 0.8296 GB, free: 2.332 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001329/0.5044, allocations: 0.5387 MB / 0.8302 GB, free: 1.785 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0132/0.5176, allocations: 2.374 MB / 0.8325 GB, free: 15.41 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005103/0.5228, allocations: 2.191 MB / 0.8346 GB, free: 13.17 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003007/0.5231, allocations: 271.2 kB / 0.8349 GB, free: 12.9 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001385/0.5245, allocations: 352 kB / 0.8352 GB, free: 12.56 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.016/0.5405, allocations: 7.122 MB / 0.8422 GB, free: 5.336 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.98e-05/0.5406, allocations: 11.92 kB / 0.8422 GB, free: 5.324 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004944/0.5411, allocations: 148 kB / 0.8423 GB, free: 5.18 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004999/0.5416, allocations: 342.1 kB / 0.8426 GB, free: 4.844 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01663/0.5583, allocations: 6.993 MB / 0.8495 GB, free: 13.84 MB / 0.6231 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 0.03602/0.5943, allocations: 26.54 MB / 0.8754 GB, free: 1.117 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009257/0.6036, allocations: 4.994 MB / 0.8803 GB, free: 11.83 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006391/0.61, allocations: 2.612 MB / 0.8828 GB, free: 9.195 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003025/0.6104, allocations: 131 kB / 0.8829 GB, free: 9.047 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.001e-05/0.6104, allocations: 64.5 kB / 0.883 GB, free: 8.977 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.027e-06/0.6105, allocations: 4 kB / 0.883 GB, free: 8.973 MB / 0.6544 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 0.1108/0.7213, allocations: 31.19 MB / 0.9135 GB, free: 9.719 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002571/0.7216, allocations: 235.6 kB / 0.9137 GB, free: 9.438 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002212/0.7238, allocations: 1.45 MB / 0.9151 GB, free: 7.98 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004761/0.7243, allocations: 73.7 kB / 0.9152 GB, free: 7.902 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001188/0.7255, allocations: 1.553 MB / 0.9167 GB, free: 6.336 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001366/0.7269, allocations: 0.9566 MB / 0.9176 GB, free: 5.371 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001303/0.7282, allocations: 0.6321 MB / 0.9182 GB, free: 4.73 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001444/0.7283, allocations: 305.1 kB / 0.9185 GB, free: 4.43 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006344/0.7347, allocations: 2.67 MB / 0.9211 GB, free: 1.75 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006939/0.7416, allocations: 3.552 MB / 0.9246 GB, free: 13.82 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01422/0.7559, allocations: 6.379 MB / 0.9308 GB, free: 7.039 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.728e-05/0.7559, allocations: 8 kB / 0.9308 GB, free: 7.031 MB / 0.7012 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 0.03083/0.7868, allocations: 11.01 MB / 0.9416 GB, free: 11.91 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.953e-05/0.7868, allocations: 16 kB / 0.9416 GB, free: 11.9 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.506e-05/0.7869, allocations: 35.92 kB / 0.9416 GB, free: 11.86 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02045/0.8073, allocations: 5.458 MB / 0.947 GB, free: 6.395 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004406/0.8118, allocations: 0.9827 MB / 0.9479 GB, free: 5.41 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3949/1.207, allocations: 28.17 MB / 0.9755 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004263/1.211, allocations: 0.5501 MB / 0.976 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004496/1.211, allocations: 157.1 kB / 0.9761 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00753/1.219, allocations: 3.964 MB / 0.98 GB, free: 176.1 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005447/1.224, allocations: 3.515 MB / 0.9834 GB, free: 174.3 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07897/1.303, allocations: 24.56 MB / 1.007 GB, free: 162.5 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.227e-05/1.303, allocations: 8 kB / 1.007 GB, free: 162.5 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 0.02277/1.326, allocations: 10.5 MB / 1.018 GB, free: 152 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.059e-05/1.326, allocations: 16 kB / 1.018 GB, free: 151.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.62e-05/1.326, allocations: 24.88 kB / 1.018 GB, free: 151.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01347/1.34, allocations: 4.253 MB / 1.022 GB, free: 147.7 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004252/1.344, allocations: 1.03 MB / 1.023 GB, free: 146.6 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02795/1.372, allocations: 27.13 MB / 1.049 GB, free: 119 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004103/1.376, allocations: 0.5318 MB / 1.05 GB, free: 118.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004315/1.377, allocations: 162.2 kB / 1.05 GB, free: 118.4 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.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 0.0008235/1.378, allocations: 393.5 kB / 1.05 GB, free: 118 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005573/1.378, allocations: 215.9 kB / 1.051 GB, free: 117.8 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 0.02353/1.402, allocations: 10.16 MB / 1.061 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.034e-05/1.402, allocations: 32 kB / 1.061 GB, free: 107.5 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.074e-05/1.402, allocations: 23.92 kB / 1.061 GB, free: 107.5 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.651e-05/1.402, allocations: 15.95 kB / 1.061 GB, free: 107.5 MB / 0.7325 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 0.03119/1.433, allocations: 16.28 MB / 1.077 GB, free: 91.05 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.399e-05/1.433, allocations: 8 kB / 1.077 GB, free: 91.04 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003113/1.436, allocations: 0.7342 MB / 1.077 GB, free: 90.3 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01647/1.453, allocations: 5.095 MB / 1.082 GB, free: 85.19 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00048/1.453, allocations: 75.95 kB / 1.082 GB, free: 85.12 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03183/1.485, allocations: 27.24 MB / 1.109 GB, free: 57.41 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.592e-06/1.485, allocations: 16.03 kB / 1.109 GB, free: 57.39 MB / 0.7325 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 0.02276/1.508, allocations: 10.11 MB / 1.119 GB, free: 47.03 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00164/1.509, allocations: 0.7319 MB / 1.12 GB, free: 46.28 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000473/1.51, allocations: 59.64 kB / 1.12 GB, free: 46.23 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003212/1.513, allocations: 0.5031 MB / 1.12 GB, free: 45.72 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006866/1.514, allocations: 226.3 kB / 1.12 GB, free: 45.5 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00022/1.514, allocations: 95.95 kB / 1.12 GB, free: 45.41 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001056/1.515, allocations: 0.9776 MB / 1.121 GB, free: 44.43 MB / 0.7325 GB Notification: Performance of sort global known variables: time 2.3e-07/1.515, allocations: 0 / 1.121 GB, free: 44.43 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.004848/1.52, allocations: 1.84 MB / 1.123 GB, free: 42.59 MB / 0.7325 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 0.02248/1.543, allocations: 10.78 MB / 1.134 GB, free: 31.56 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02524/1.568, allocations: 12.43 MB / 1.146 GB, free: 19.03 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.033e-05/1.568, allocations: 0 / 1.146 GB, free: 19.03 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009316/1.577, allocations: 4.43 MB / 1.15 GB, free: 14.56 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002643/1.58, allocations: 280.6 kB / 1.15 GB, free: 14.29 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. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0986/1.678, allocations: 42.41 MB / 1.192 GB, free: 2.598 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004283/1.683, allocations: 2.853 MB / 1.195 GB, free: 15.71 MB / 0.7794 GB Notification: Performance of simCode: alias equations: time 0.004578/1.687, allocations: 1.645 MB / 1.196 GB, free: 14.06 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001978/1.689, allocations: 1.226 MB / 1.197 GB, free: 12.84 MB / 0.7794 GB Notification: Performance of SimCode: time 1.202e-06/1.689, allocations: 0 / 1.197 GB, free: 12.84 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5007/2.19, allocations: 103 MB / 1.298 GB, free: 294.6 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.91/18.1, allocations: 10.92 kB / 1.298 GB, free: 294.6 MB / 0.8575 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)