Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_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_latest_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 0.007683/0.007683, allocations: 98.23 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 0.002089/0.002089, allocations: 192.8 kB / 16.67 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.422/1.422, allocations: 222.9 MB / 240.4 MB, free: 4.32 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.907/2.907, allocations: 482.4 MB / 0.7548 GB, free: 10.92 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001909/0.001909, allocations: 59.91 kB / 1.083 GB, free: 12.5 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2841/0.286, allocations: 162.2 MB / 1.242 GB, free: 10.16 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.5395/0.8256, allocations: 18.18 MB / 1.259 GB, free: 7.586 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.00861/0.8343, allocations: 6.814 MB / 1.266 GB, free: 3.258 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006814/0.835, allocations: 55.66 kB / 1.266 GB, free: 3.25 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002968/0.838, allocations: 1.455 MB / 1.267 GB, free: 2.387 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.002327/0.8403, allocations: 1.422 MB / 1.269 GB, free: 1.594 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002393/0.8427, allocations: 1.264 MB / 1.27 GB, free: 0.9141 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.005044/0.8478, allocations: 5.438 MB / 1.275 GB, free: 14.62 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00806/0.8558, allocations: 7.076 MB / 1.282 GB, free: 11.86 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003488/0.8593, allocations: 2.351 MB / 1.285 GB, free: 10.8 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004206/0.8636, allocations: 2.949 MB / 1.287 GB, free: 9.57 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0007581/0.8643, allocations: 0.5114 MB / 1.288 GB, free: 9.57 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002501/0.8668, allocations: 1.269 MB / 1.289 GB, free: 9.293 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.002467/0.8693, allocations: 2.237 MB / 1.291 GB, free: 8.438 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.002649/0.872, allocations: 2.177 MB / 1.294 GB, free: 7.027 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.008897/0.8809, allocations: 7.755 MB / 1.301 GB, free: 4.629 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.268e-06/0.8809, allocations: 4 kB / 1.301 GB, free: 4.625 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.523e-06/0.8809, allocations: 0 / 1.301 GB, free: 4.625 MB / 1.014 GB Notification: Performance of Transformations before backend: time 0.0001513/0.8811, allocations: 1.156 kB / 1.301 GB, free: 4.625 MB / 1.014 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 0.008648/0.8897, allocations: 3.873 MB / 1.305 GB, free: 2.441 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 3.582e-05/0.8898, allocations: 9.938 kB / 1.305 GB, free: 2.441 MB / 1.014 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008214/0.8906, allocations: 0.5371 MB / 1.305 GB, free: 2.152 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01372/0.9043, allocations: 2.431 MB / 1.308 GB, free: 1.871 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004228/0.9086, allocations: 2.186 MB / 1.31 GB, free: 0.7578 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002067/0.9088, allocations: 267.2 kB / 1.31 GB, free: 0.6328 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006843/0.9095, allocations: 348 kB / 1.31 GB, free: 0.5156 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01394/0.9234, allocations: 7.125 MB / 1.317 GB, free: 13.6 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.816e-05/0.9235, allocations: 6.062 kB / 1.317 GB, free: 13.6 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005311/0.9241, allocations: 154.6 kB / 1.318 GB, free: 13.48 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004647/0.9245, allocations: 337.2 kB / 1.318 GB, free: 13.38 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01574/0.9403, allocations: 7.023 MB / 1.325 GB, free: 9.844 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03357/0.9739, allocations: 26.46 MB / 1.351 GB, free: 2.93 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008874/0.9828, allocations: 4.988 MB / 1.355 GB, free: 15.5 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006131/0.9889, allocations: 2.614 MB / 1.358 GB, free: 14.18 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002393/0.9892, allocations: 127.2 kB / 1.358 GB, free: 14.06 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.95e-05/0.9892, allocations: 66.17 kB / 1.358 GB, free: 14 MB / 1.061 GB Notification: Performance of pre-optimization done (n=208): time 5.931e-06/0.9893, allocations: 0 / 1.358 GB, free: 14 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=271): time 0.1125/1.102, allocations: 31.14 MB / 1.389 GB, free: 15.25 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001496/1.102, allocations: 239.6 kB / 1.389 GB, free: 14.96 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002253/1.104, allocations: 1.431 MB / 1.39 GB, free: 13.52 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 0.0002316/1.104, allocations: 65.7 kB / 1.39 GB, free: 13.45 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.00116/1.106, allocations: 1.542 MB / 1.392 GB, free: 11.89 MB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009605/1.107, allocations: 0.9606 MB / 1.393 GB, free: 10.92 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001298/1.108, allocations: 0.6398 MB / 1.393 GB, free: 10.27 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001375/1.108, allocations: 301.1 kB / 1.394 GB, free: 9.977 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006481/1.115, allocations: 2.694 MB / 1.396 GB, free: 7.273 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007245/1.122, allocations: 3.575 MB / 1.4 GB, free: 3.316 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01384/1.136, allocations: 6.406 MB / 1.406 GB, free: 12.51 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.19e-05/1.136, allocations: 8 kB / 1.406 GB, free: 12.5 MB / 1.107 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 0.03062/1.166, allocations: 10.99 MB / 1.417 GB, free: 1.418 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 3.085e-05/1.166, allocations: 16.56 kB / 1.417 GB, free: 1.402 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.054e-05/1.166, allocations: 32 kB / 1.417 GB, free: 1.371 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02149/1.188, allocations: 5.556 MB / 1.422 GB, free: 11.8 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004528/1.192, allocations: 0.9945 MB / 1.423 GB, free: 10.8 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04723/1.24, allocations: 28.23 MB / 1.451 GB, free: 14.12 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004871/1.245, allocations: 0.5733 MB / 1.451 GB, free: 13.54 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003609/1.245, allocations: 148 kB / 1.452 GB, free: 13.4 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008789/1.254, allocations: 3.987 MB / 1.455 GB, free: 9.402 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007184/1.261, allocations: 3.536 MB / 1.459 GB, free: 5.492 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09587/1.357, allocations: 24.63 MB / 1.483 GB, free: 12.35 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.231e-05/1.357, allocations: 12 kB / 1.483 GB, free: 12.34 MB / 1.186 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 0.02806/1.385, allocations: 10.54 MB / 1.493 GB, free: 1.648 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 2.703e-05/1.385, allocations: 16 kB / 1.493 GB, free: 1.633 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.085e-05/1.385, allocations: 31.98 kB / 1.493 GB, free: 1.602 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01631/1.401, allocations: 4.321 MB / 1.497 GB, free: 13.26 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004777/1.406, allocations: 1.042 MB / 1.499 GB, free: 12.22 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03948/1.446, allocations: 27.16 MB / 1.525 GB, free: 344 kB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004696/1.45, allocations: 0.5578 MB / 1.526 GB, free: 15.78 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003452/1.451, allocations: 155.9 kB / 1.526 GB, free: 15.62 MB / 1.232 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 0.0009116/1.452, allocations: 408.6 kB / 1.526 GB, free: 15.22 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005577/1.452, allocations: 206.7 kB / 1.526 GB, free: 15.02 MB / 1.232 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 0.02875/1.481, allocations: 10.17 MB / 1.536 GB, free: 4.77 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.768e-05/1.481, allocations: 28 kB / 1.536 GB, free: 4.742 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.162e-05/1.481, allocations: 12 kB / 1.536 GB, free: 4.73 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.042e-05/1.481, allocations: 11.95 kB / 1.536 GB, free: 4.719 MB / 1.232 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 0.03836/1.519, allocations: 16.32 MB / 1.552 GB, free: 4.156 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.833e-05/1.52, allocations: 8 kB / 1.552 GB, free: 4.148 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003656/1.523, allocations: 0.7379 MB / 1.553 GB, free: 3.41 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01986/1.543, allocations: 5.177 MB / 1.558 GB, free: 14.21 MB / 1.264 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005478/1.544, allocations: 71.95 kB / 1.558 GB, free: 14.14 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04406/1.588, allocations: 27.22 MB / 1.585 GB, free: 2.422 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.148e-05/1.588, allocations: 16.03 kB / 1.585 GB, free: 2.406 MB / 1.279 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 0.02872/1.616, allocations: 10.13 MB / 1.595 GB, free: 8.02 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001807/1.618, allocations: 0.726 MB / 1.595 GB, free: 7.273 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006079/1.619, allocations: 59.98 kB / 1.595 GB, free: 7.215 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003921/1.623, allocations: 0.5031 MB / 1.596 GB, free: 6.711 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007459/1.624, allocations: 234.3 kB / 1.596 GB, free: 6.477 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002666/1.624, allocations: 91.95 kB / 1.596 GB, free: 6.387 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001723/1.626, allocations: 0.9684 MB / 1.597 GB, free: 5.414 MB / 1.295 GB Notification: Performance of sort global known variables: time 3e-07/1.626, allocations: 0 / 1.597 GB, free: 5.414 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.006064/1.632, allocations: 1.852 MB / 1.599 GB, free: 3.562 MB / 1.295 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 0.0282/1.66, allocations: 10.81 MB / 1.609 GB, free: 8.504 MB / 1.311 GB Notification: Performance of simCode: created initialization part: time 0.03046/1.69, allocations: 12.47 MB / 1.622 GB, free: 11.92 MB / 1.326 GB Notification: Performance of simCode: created event and clocks part: time 6.112e-06/1.69, allocations: 0 / 1.622 GB, free: 11.92 MB / 1.326 GB Notification: Performance of simCode: created simulation system equations: time 0.01113/1.702, allocations: 4.418 MB / 1.626 GB, free: 7.457 MB / 1.326 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002004/1.704, allocations: 269.9 kB / 1.626 GB, free: 7.199 MB / 1.326 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 0.09995/1.804, allocations: 42.27 MB / 1.667 GB, free: 11.62 MB / 1.373 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003303/1.807, allocations: 2.833 MB / 1.67 GB, free: 8.758 MB / 1.373 GB Notification: Performance of simCode: alias equations: time 0.004446/1.811, allocations: 1.652 MB / 1.672 GB, free: 7.102 MB / 1.373 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001836/1.813, allocations: 1.206 MB / 1.673 GB, free: 5.895 MB / 1.373 GB Notification: Performance of SimCode: time 4.91e-07/1.813, allocations: 0 / 1.673 GB, free: 5.895 MB / 1.373 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1751/1.988, allocations: 102.5 MB / 1.773 GB, free: 15.72 MB / 1.482 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.76/17.75, allocations: 7.312 kB / 1.773 GB, free: 15.71 MB / 1.482 GB (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)