Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_10_Buildings_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 0.005667/0.005667, allocations: 98.77 kB / 15.73 MB, free: 6.066 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001315/0.001315, 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 1.43/1.43, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.601/2.601, allocations: 437 MB / 0.7105 GB, free: 4.402 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001898/0.001898, allocations: 59.91 kB / 1.018 GB, free: 9.824 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8929/0.8949, allocations: 151.6 MB / 1.166 GB, free: 3.766 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02326/0.9182, allocations: 18.19 MB / 1.184 GB, free: 1.512 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.0121/0.9303, allocations: 6.801 MB / 1.191 GB, free: 10.69 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001846/0.9322, allocations: 55.88 kB / 1.191 GB, free: 10.63 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004178/0.9364, allocations: 1.457 MB / 1.192 GB, free: 9.172 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004147/0.9405, allocations: 1.428 MB / 1.194 GB, free: 7.738 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003597/0.9442, allocations: 1.268 MB / 1.195 GB, free: 6.469 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007639/0.9518, allocations: 5.441 MB / 1.2 GB, free: 1.016 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009548/0.9614, allocations: 7.071 MB / 1.207 GB, free: 9.824 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004307/0.9658, allocations: 2.345 MB / 1.209 GB, free: 7.473 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006236/0.972, allocations: 2.949 MB / 1.212 GB, free: 4.516 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001825/0.9739, allocations: 0.5117 MB / 1.213 GB, free: 4.004 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003784/0.9777, allocations: 1.268 MB / 1.214 GB, free: 2.734 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.003816/0.9816, allocations: 2.25 MB / 1.216 GB, free: 492 kB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.004307/0.9859, allocations: 2.167 MB / 1.218 GB, free: 14.3 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01033/0.9963, allocations: 7.754 MB / 1.226 GB, free: 6.527 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 7.965e-06/0.9963, allocations: 0 / 1.226 GB, free: 6.527 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.974e-06/0.9963, allocations: 0 / 1.226 GB, free: 6.527 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002231/0.9965, allocations: 0 / 1.226 GB, free: 6.527 MB / 0.9512 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 0.0102/1.007, allocations: 3.876 MB / 1.23 GB, free: 2.586 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 5.094e-05/1.007, allocations: 8.031 kB / 1.23 GB, free: 2.578 MB / 0.9512 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001094/1.008, allocations: 0.5462 MB / 1.23 GB, free: 2.023 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01337/1.021, allocations: 2.425 MB / 1.232 GB, free: 15.59 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005629/1.027, allocations: 2.183 MB / 1.235 GB, free: 13.36 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003105/1.027, allocations: 271.2 kB / 1.235 GB, free: 13.1 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001747/1.029, allocations: 348 kB / 1.235 GB, free: 12.76 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01796/1.047, allocations: 7.122 MB / 1.242 GB, free: 5.531 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001533/1.047, allocations: 11.92 kB / 1.242 GB, free: 5.52 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0012/1.048, allocations: 148 kB / 1.242 GB, free: 5.375 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006085/1.049, allocations: 334 kB / 1.243 GB, free: 5.047 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0185/1.068, allocations: 7.032 MB / 1.249 GB, free: 14 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04322/1.111, allocations: 26.47 MB / 1.275 GB, free: 1.359 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01113/1.122, allocations: 4.987 MB / 1.28 GB, free: 12.08 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006733/1.129, allocations: 2.608 MB / 1.283 GB, free: 9.441 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003609/1.129, allocations: 135 kB / 1.283 GB, free: 9.289 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.04e-05/1.129, allocations: 60.56 kB / 1.283 GB, free: 9.223 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.939e-06/1.129, allocations: 0 / 1.283 GB, free: 9.223 MB / 1.014 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 0.1071/1.236, allocations: 31.14 MB / 1.313 GB, free: 10.03 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001687/1.237, allocations: 243.6 kB / 1.314 GB, free: 9.742 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002425/1.239, allocations: 1.427 MB / 1.315 GB, free: 8.305 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0004693/1.24, allocations: 69.7 kB / 1.315 GB, free: 8.23 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.001162/1.241, allocations: 1.542 MB / 1.317 GB, free: 6.672 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001168/1.242, allocations: 0.9566 MB / 1.317 GB, free: 5.707 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001294/1.243, allocations: 0.6398 MB / 1.318 GB, free: 5.059 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.000124/1.243, allocations: 309.1 kB / 1.318 GB, free: 4.754 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006091/1.249, allocations: 2.69 MB / 1.321 GB, free: 2.055 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007019/1.256, allocations: 3.571 MB / 1.325 GB, free: 14.1 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01354/1.27, allocations: 6.41 MB / 1.331 GB, free: 7.293 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.755e-05/1.27, allocations: 8 kB / 1.331 GB, free: 7.285 MB / 1.061 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 0.02861/1.299, allocations: 11 MB / 1.342 GB, free: 12.18 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.424e-05/1.299, allocations: 16 kB / 1.342 GB, free: 12.16 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.778e-05/1.299, allocations: 24 kB / 1.342 GB, free: 12.14 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01981/1.319, allocations: 5.56 MB / 1.347 GB, free: 6.566 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004488/1.323, allocations: 0.9945 MB / 1.348 GB, free: 5.57 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04522/1.368, allocations: 28.22 MB / 1.376 GB, free: 8.902 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004805/1.373, allocations: 0.5733 MB / 1.376 GB, free: 8.328 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005695/1.374, allocations: 151.9 kB / 1.376 GB, free: 8.18 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008614/1.382, allocations: 3.988 MB / 1.38 GB, free: 4.184 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007056/1.39, allocations: 3.54 MB / 1.384 GB, free: 268 kB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08891/1.478, allocations: 24.63 MB / 1.408 GB, free: 7.117 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.909e-05/1.479, allocations: 8 kB / 1.408 GB, free: 7.109 MB / 1.139 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 0.02709/1.506, allocations: 10.54 MB / 1.418 GB, free: 12.43 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 3.524e-05/1.506, allocations: 21.66 kB / 1.418 GB, free: 12.41 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.415e-05/1.506, allocations: 32.06 kB / 1.418 GB, free: 12.38 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01524/1.521, allocations: 4.329 MB / 1.422 GB, free: 8.031 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004798/1.526, allocations: 1.037 MB / 1.423 GB, free: 6.992 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03771/1.564, allocations: 27.16 MB / 1.45 GB, free: 11.1 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00455/1.568, allocations: 0.5576 MB / 1.45 GB, free: 10.54 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004745/1.569, allocations: 148 kB / 1.45 GB, free: 10.4 MB / 1.186 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 0.0009329/1.57, allocations: 407.9 kB / 1.451 GB, free: 9.996 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005883/1.57, allocations: 206.7 kB / 1.451 GB, free: 9.793 MB / 1.186 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 0.02749/1.598, allocations: 10.17 MB / 1.461 GB, free: 15.55 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.205e-05/1.598, allocations: 28 kB / 1.461 GB, free: 15.52 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.211e-05/1.598, allocations: 12 kB / 1.461 GB, free: 15.51 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.175e-05/1.598, allocations: 15.95 kB / 1.461 GB, free: 15.49 MB / 1.201 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 0.03777/1.636, allocations: 16.3 MB / 1.477 GB, free: 14.95 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.02e-05/1.636, allocations: 12.03 kB / 1.477 GB, free: 14.94 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003787/1.64, allocations: 0.7375 MB / 1.478 GB, free: 14.2 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01885/1.658, allocations: 5.173 MB / 1.483 GB, free: 9.012 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006155/1.659, allocations: 71.95 kB / 1.483 GB, free: 8.941 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04234/1.701, allocations: 27.24 MB / 1.509 GB, free: 13.2 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.088e-05/1.702, allocations: 12.03 kB / 1.509 GB, free: 13.19 MB / 1.248 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 0.02672/1.728, allocations: 10.14 MB / 1.519 GB, free: 2.805 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001804/1.73, allocations: 0.726 MB / 1.52 GB, free: 2.059 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004509/1.731, allocations: 60 kB / 1.52 GB, free: 2 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003474/1.734, allocations: 0.507 MB / 1.521 GB, free: 1.492 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000779/1.735, allocations: 230.3 kB / 1.521 GB, free: 1.262 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002448/1.735, allocations: 87.95 kB / 1.521 GB, free: 1.176 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.001549/1.737, allocations: 0.9762 MB / 1.522 GB, free: 200 kB / 1.248 GB Notification: Performance of sort global known variables: time 1.6e-07/1.737, allocations: 0 / 1.522 GB, free: 200 kB / 1.248 GB Notification: Performance of remove unused functions: time 0.006443/1.743, allocations: 1.848 MB / 1.524 GB, free: 14.34 MB / 1.264 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 0.02726/1.77, allocations: 10.79 MB / 1.534 GB, free: 3.293 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.03119/1.802, allocations: 12.49 MB / 1.546 GB, free: 6.695 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.645e-05/1.802, allocations: 0 / 1.546 GB, free: 6.695 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01172/1.813, allocations: 4.414 MB / 1.551 GB, free: 2.238 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003351/1.817, allocations: 271.5 kB / 1.551 GB, free: 1.98 MB / 1.279 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 0.7153/2.532, allocations: 42.24 MB / 1.592 GB, free: 349.1 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003287/2.535, allocations: 2.839 MB / 1.595 GB, free: 346.3 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.004431/2.54, allocations: 1.647 MB / 1.597 GB, free: 344.8 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001607/2.541, allocations: 1.206 MB / 1.598 GB, free: 343.6 MB / 1.279 GB Notification: Performance of SimCode: time 5.61e-07/2.541, allocations: 3.844 kB / 1.598 GB, free: 343.6 MB / 1.279 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1769/2.718, allocations: 102.6 MB / 1.698 GB, free: 241.5 MB / 1.279 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.61/19.33, allocations: 2.906 kB / 1.698 GB, free: 241.5 MB / 1.279 GB (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.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 Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)