Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.004426/0.004426, allocations: 98.97 kB / 15.73 MB, free: 6.004 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001035/0.001035, allocations: 192.8 kB / 16.67 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.225/1.225, 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 0.002009/0.002009, allocations: 291.2 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 0.8883/0.8883, allocations: 169.3 MB / 0.4983 GB, free: 4.438 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001695/0.001695, allocations: 103.7 kB / 0.6811 GB, free: 7.363 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3723/0.374, allocations: 86.97 MB / 0.766 GB, free: 3.816 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.0192/0.3932, allocations: 18.17 MB / 0.7837 GB, free: 1.582 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.009568/0.4028, allocations: 6.793 MB / 0.7904 GB, free: 10.77 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001017/0.4039, allocations: 59.88 kB / 0.7904 GB, free: 10.71 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.00317/0.4071, allocations: 1.465 MB / 0.7919 GB, free: 9.242 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.00253/0.4096, allocations: 1.42 MB / 0.7933 GB, free: 7.816 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.002562/0.4122, allocations: 1.278 MB / 0.7945 GB, free: 6.535 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.004661/0.4169, allocations: 5.449 MB / 0.7998 GB, free: 1.074 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006613/0.4235, allocations: 7.066 MB / 0.8067 GB, free: 9.898 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002721/0.4263, allocations: 2.369 MB / 0.809 GB, free: 7.523 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003172/0.4294, allocations: 2.957 MB / 0.8119 GB, free: 4.559 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0006037/0.4301, allocations: 0.5117 MB / 0.8124 GB, free: 4.047 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001848/0.4319, allocations: 1.272 MB / 0.8137 GB, free: 2.773 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.001811/0.4337, allocations: 2.238 MB / 0.8159 GB, free: 0.5312 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002151/0.4359, allocations: 2.171 MB / 0.818 GB, free: 14.35 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.006422/0.4423, allocations: 7.75 MB / 0.8255 GB, free: 6.582 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 4.728e-06/0.4424, allocations: 4 kB / 0.8255 GB, free: 6.578 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.593e-06/0.4424, allocations: 0 / 0.8255 GB, free: 6.578 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001357/0.4425, allocations: 0 / 0.8255 GB, free: 6.578 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.006841/0.4493, allocations: 3.88 MB / 0.8293 GB, free: 2.633 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.645e-05/0.4494, allocations: 8.031 kB / 0.8293 GB, free: 2.625 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006381/0.45, allocations: 0.5345 MB / 0.8299 GB, free: 2.082 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.012/0.462, allocations: 2.366 MB / 0.8322 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004816/0.4669, allocations: 2.171 MB / 0.8343 GB, free: 13.49 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001701/0.4671, allocations: 279.1 kB / 0.8346 GB, free: 13.22 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008002/0.4679, allocations: 343.9 kB / 0.8349 GB, free: 12.88 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0125/0.4804, allocations: 7.089 MB / 0.8418 GB, free: 5.691 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.097e-05/0.4805, allocations: 7.938 kB / 0.8418 GB, free: 5.684 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004107/0.4809, allocations: 152 kB / 0.842 GB, free: 5.535 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004193/0.4813, allocations: 334 kB / 0.8423 GB, free: 5.207 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01384/0.4952, allocations: 6.981 MB / 0.8491 GB, free: 14.21 MB / 0.6231 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02891/0.5241, allocations: 26.4 MB / 0.8749 GB, free: 1.641 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007699/0.5318, allocations: 4.983 MB / 0.8797 GB, free: 12.36 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005535/0.5374, allocations: 2.627 MB / 0.8823 GB, free: 9.715 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002163/0.5376, allocations: 127 kB / 0.8824 GB, free: 9.57 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.85e-05/0.5377, allocations: 68.44 kB / 0.8825 GB, free: 9.496 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 3.787e-06/0.5377, allocations: 0 / 0.8825 GB, free: 9.496 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.conv2.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.conv2.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 0.1006/0.6383, allocations: 31.12 MB / 0.9129 GB, free: 10.31 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000126/0.6385, allocations: 239.6 kB / 0.9131 GB, free: 10.03 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001914/0.6404, allocations: 1.404 MB / 0.9145 GB, free: 8.613 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0004335/0.6409, allocations: 73.7 kB / 0.9146 GB, free: 8.535 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008366/0.6417, allocations: 1.538 MB / 0.9161 GB, free: 6.98 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009823/0.6427, allocations: 0.9605 MB / 0.917 GB, free: 6.012 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001269/0.644, allocations: 0.6321 MB / 0.9176 GB, free: 5.371 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 7.822e-05/0.6441, allocations: 305.1 kB / 0.9179 GB, free: 5.07 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005538/0.6496, allocations: 2.674 MB / 0.9205 GB, free: 2.387 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006004/0.6556, allocations: 3.552 MB / 0.924 GB, free: 14.46 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01168/0.6673, allocations: 6.383 MB / 0.9302 GB, free: 7.672 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.122e-05/0.6674, allocations: 8 kB / 0.9302 GB, free: 7.664 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.conv2.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.conv2.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 0.0269/0.6943, allocations: 10.96 MB / 0.9409 GB, free: 12.59 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 5.334e-05/0.6944, allocations: 16 kB / 0.941 GB, free: 12.58 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.958e-05/0.6944, allocations: 28 kB / 0.941 GB, free: 12.55 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01905/0.7135, allocations: 5.474 MB / 0.9463 GB, free: 7.066 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004144/0.7177, allocations: 0.9944 MB / 0.9473 GB, free: 6.07 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3288/1.047, allocations: 28.16 MB / 0.9748 GB, free: 177.7 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004094/1.051, allocations: 0.5506 MB / 0.9753 GB, free: 177.7 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000381/1.051, allocations: 151.8 kB / 0.9755 GB, free: 177.7 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007204/1.058, allocations: 3.967 MB / 0.9794 GB, free: 177.1 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005321/1.064, allocations: 3.516 MB / 0.9828 GB, free: 175.2 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07807/1.142, allocations: 24.56 MB / 1.007 GB, free: 164 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.147e-05/1.142, allocations: 8 kB / 1.007 GB, free: 164 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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.conv2.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] ] 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_lambda0): time 0.02149/1.163, allocations: 10.5 MB / 1.017 GB, free: 153.5 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.676e-05/1.163, allocations: 16 kB / 1.017 GB, free: 153.5 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.689e-05/1.163, allocations: 28 kB / 1.017 GB, free: 153.4 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01294/1.176, allocations: 4.243 MB / 1.021 GB, free: 149.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004006/1.18, allocations: 1.037 MB / 1.022 GB, free: 148.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02633/1.207, allocations: 27.16 MB / 1.049 GB, free: 120.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003943/1.211, allocations: 0.5376 MB / 1.049 GB, free: 120 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003547/1.211, allocations: 151.9 kB / 1.049 GB, free: 119.9 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.0008056/1.212, allocations: 391.1 kB / 1.05 GB, free: 119.5 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005004/1.212, allocations: 212.5 kB / 1.05 GB, free: 119.3 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02224/1.235, allocations: 10.16 MB / 1.06 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.297e-05/1.235, allocations: 28 kB / 1.06 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.445e-05/1.235, allocations: 20 kB / 1.06 GB, free: 109.1 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.425e-05/1.235, allocations: 15.94 kB / 1.06 GB, free: 109.1 MB / 0.7325 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; 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.conv2.V2[1] ] 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 0.02941/1.264, allocations: 16.29 MB / 1.076 GB, free: 92.59 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.192e-05/1.264, allocations: 11.94 kB / 1.076 GB, free: 92.58 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003026/1.267, allocations: 0.7333 MB / 1.077 GB, free: 91.85 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01595/1.283, allocations: 5.102 MB / 1.082 GB, free: 86.73 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003864/1.284, allocations: 75.95 kB / 1.082 GB, free: 86.66 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03052/1.314, allocations: 27.21 MB / 1.108 GB, free: 58.98 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.331e-06/1.314, allocations: 12.03 kB / 1.108 GB, free: 58.97 MB / 0.7325 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02181/1.336, allocations: 10.14 MB / 1.118 GB, free: 48.59 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001639/1.338, allocations: 0.7279 MB / 1.119 GB, free: 47.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004098/1.338, allocations: 59.89 kB / 1.119 GB, free: 47.79 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003143/1.341, allocations: 0.5031 MB / 1.119 GB, free: 47.28 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005638/1.342, allocations: 218.5 kB / 1.12 GB, free: 47.07 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000187/1.342, allocations: 91.95 kB / 1.12 GB, free: 46.98 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0009674/1.343, allocations: 0.9564 MB / 1.121 GB, free: 46.02 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.4e-07/1.343, allocations: 0 / 1.121 GB, free: 46.02 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.004707/1.348, allocations: 1.832 MB / 1.122 GB, free: 44.19 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 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_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 0.02183/1.37, allocations: 10.8 MB / 1.133 GB, free: 33.13 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02436/1.394, allocations: 12.43 MB / 1.145 GB, free: 20.59 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.2e-05/1.394, allocations: 0 / 1.145 GB, free: 20.59 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009137/1.403, allocations: 4.401 MB / 1.149 GB, free: 16.15 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001798/1.405, allocations: 275.4 kB / 1.15 GB, free: 15.89 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.conv2.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.conv2.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 0.08635/1.491, allocations: 42.15 MB / 1.191 GB, free: 4.477 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002792/1.494, allocations: 2.84 MB / 1.194 GB, free: 1.605 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004024/1.498, allocations: 1.641 MB / 1.195 GB, free: 15.96 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001528/1.5, allocations: 1.202 MB / 1.196 GB, free: 14.76 MB / 0.7794 GB Notification: Performance of SimCode: time 7.31e-07/1.5, allocations: 4 kB / 1.196 GB, free: 14.75 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4336/1.933, allocations: 102.1 MB / 1.296 GB, free: 297.4 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.02/16.95, allocations: 7.938 kB / 1.296 GB, free: 297.4 MB / 0.8575 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)