Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001416/0.001416, allocations: 106.8 kB / 17.54 MB, free: 4.766 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001415/0.001415, allocations: 181.9 kB / 20.71 MB, free: 1.609 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.309/1.309, allocations: 225.6 MB / 249.3 MB, free: 3.23 MB / 190.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.301/2.301, allocations: 443.5 MB / 0.7304 GB, free: 14.17 MB / 0.5763 GB " [Timeout remaining time 177] 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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.00183/0.00183, allocations: 75.89 kB / 1.059 GB, free: 0.9727 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2463/0.2482, allocations: 160.7 MB / 1.216 GB, free: 15.95 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02236/0.2705, allocations: 19.28 MB / 1.234 GB, free: 12.6 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.01061/0.2811, allocations: 7.023 MB / 1.241 GB, free: 5.555 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001085/0.2822, allocations: 55.88 kB / 1.241 GB, free: 5.5 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.003602/0.2858, allocations: 1.536 MB / 1.243 GB, free: 3.961 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.002943/0.2888, allocations: 1.443 MB / 1.244 GB, free: 2.512 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.002765/0.2915, allocations: 1.306 MB / 1.246 GB, free: 1.203 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.005647/0.2972, allocations: 5.476 MB / 1.251 GB, free: 11.71 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004676/0.3019, allocations: 3.312 MB / 1.254 GB, free: 8.293 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002962/0.3048, allocations: 2.38 MB / 1.256 GB, free: 5.906 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004334/0.3091, allocations: 3.167 MB / 1.26 GB, free: 2.73 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001093/0.3102, allocations: 0.5156 MB / 1.26 GB, free: 2.215 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002537/0.3128, allocations: 1.291 MB / 1.261 GB, free: 0.9219 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.487/0.7998, allocations: 2.301 MB / 1.264 GB, free: 18.16 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.002236/0.802, allocations: 2.188 MB / 1.266 GB, free: 17.94 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.00794/0.8099, allocations: 7.801 MB / 1.273 GB, free: 17.22 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.951e-06/0.8099, allocations: 0.6562 kB / 1.273 GB, free: 17.22 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.054e-06/0.8099, allocations: 0 / 1.273 GB, free: 17.22 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002277/0.8102, allocations: 0.5938 kB / 1.273 GB, free: 17.22 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.00929/0.8195, allocations: 3.909 MB / 1.277 GB, free: 15.68 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.039e-05/0.8195, allocations: 9.562 kB / 1.277 GB, free: 15.68 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000858/0.8204, allocations: 0.5422 MB / 1.278 GB, free: 15.62 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01281/0.8332, allocations: 2.437 MB / 1.28 GB, free: 15.41 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004983/0.8381, allocations: 2.194 MB / 1.282 GB, free: 14.96 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000278/0.8384, allocations: 266.9 kB / 1.282 GB, free: 14.95 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00117/0.8396, allocations: 359.7 kB / 1.283 GB, free: 14.95 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01547/0.8551, allocations: 7.158 MB / 1.29 GB, free: 14.58 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.631e-05/0.8551, allocations: 5.812 kB / 1.29 GB, free: 14.58 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004564/0.8556, allocations: 145.5 kB / 1.29 GB, free: 14.58 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004487/0.8561, allocations: 330.2 kB / 1.29 GB, free: 14.57 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01538/0.8714, allocations: 7.053 MB / 1.297 GB, free: 13.42 MB / 0.9981 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02914/0.9006, allocations: 26.6 MB / 1.323 GB, free: 10.39 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007827/0.9084, allocations: 4.875 MB / 1.328 GB, free: 7.441 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005679/0.9141, allocations: 2.533 MB / 1.33 GB, free: 6.152 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002254/0.9143, allocations: 134 kB / 1.33 GB, free: 6.039 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.44e-05/0.9143, allocations: 61.28 kB / 1.331 GB, free: 5.984 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 3.797e-06/0.9144, allocations: 0 / 1.331 GB, free: 5.984 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.09872/1.013, allocations: 31.11 MB / 1.361 GB, free: 6.441 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001205/1.013, allocations: 238.9 kB / 1.361 GB, free: 6.18 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001961/1.015, allocations: 1.473 MB / 1.363 GB, free: 5.395 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 0.0004366/1.016, allocations: 69.48 kB / 1.363 GB, free: 5.328 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009596/1.017, allocations: 1.55 MB / 1.364 GB, free: 3.969 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.000975/1.018, allocations: 0.9675 MB / 1.365 GB, free: 3.137 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001083/1.019, allocations: 0.6352 MB / 1.366 GB, free: 2.777 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001185/1.019, allocations: 301.1 kB / 1.366 GB, free: 2.48 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005852/1.025, allocations: 2.693 MB / 1.369 GB, free: 15.78 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006596/1.031, allocations: 3.569 MB / 1.372 GB, free: 11.85 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01275/1.044, allocations: 6.401 MB / 1.378 GB, free: 5.156 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.073e-05/1.044, allocations: 9.688 kB / 1.378 GB, free: 5.148 MB / 1.045 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02739/1.071, allocations: 10.95 MB / 1.389 GB, free: 10.32 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 3.768e-05/1.071, allocations: 16 kB / 1.389 GB, free: 10.3 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.242e-05/1.071, allocations: 28 kB / 1.389 GB, free: 10.28 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01917/1.091, allocations: 5.542 MB / 1.395 GB, free: 4.719 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004292/1.095, allocations: 0.9902 MB / 1.396 GB, free: 3.766 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04229/1.137, allocations: 28.22 MB / 1.423 GB, free: 7.188 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004528/1.142, allocations: 0.5732 MB / 1.424 GB, free: 6.613 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004603/1.142, allocations: 151.9 kB / 1.424 GB, free: 6.465 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007961/1.15, allocations: 3.984 MB / 1.428 GB, free: 2.473 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006449/1.157, allocations: 3.533 MB / 1.431 GB, free: 14.57 MB / 1.108 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08643/1.243, allocations: 24.62 MB / 1.455 GB, free: 5.555 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.29e-05/1.243, allocations: 8 kB / 1.455 GB, free: 5.547 MB / 1.123 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02538/1.268, allocations: 10.47 MB / 1.465 GB, free: 11.15 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 2.89e-05/1.268, allocations: 20.09 kB / 1.465 GB, free: 11.13 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.105e-05/1.268, allocations: 28 kB / 1.465 GB, free: 11.1 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01469/1.283, allocations: 4.325 MB / 1.47 GB, free: 6.762 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004573/1.288, allocations: 1.034 MB / 1.471 GB, free: 5.766 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03554/1.323, allocations: 27.15 MB / 1.497 GB, free: 10 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004409/1.328, allocations: 0.5577 MB / 1.498 GB, free: 9.445 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003733/1.328, allocations: 155.9 kB / 1.498 GB, free: 9.293 MB / 1.17 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008742/1.329, allocations: 389.7 kB / 1.498 GB, free: 8.941 MB / 1.17 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005804/1.329, allocations: 210.7 kB / 1.498 GB, free: 8.734 MB / 1.17 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02574/1.355, allocations: 10.09 MB / 1.508 GB, free: 14.65 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.93e-05/1.355, allocations: 28 kB / 1.508 GB, free: 14.62 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.554e-05/1.355, allocations: 19.94 kB / 1.508 GB, free: 14.6 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.409e-05/1.355, allocations: 15.94 kB / 1.508 GB, free: 14.59 MB / 1.186 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03494/1.39, allocations: 16.17 MB / 1.524 GB, free: 14.36 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.697e-05/1.39, allocations: 8.938 kB / 1.524 GB, free: 14.35 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003492/1.394, allocations: 0.7379 MB / 1.525 GB, free: 13.63 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01777/1.412, allocations: 5.169 MB / 1.53 GB, free: 8.441 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004782/1.412, allocations: 71.95 kB / 1.53 GB, free: 8.371 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03915/1.451, allocations: 27.28 MB / 1.557 GB, free: 12.66 MB / 1.233 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.726e-06/1.451, allocations: 11.66 kB / 1.557 GB, free: 12.66 MB / 1.233 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02459/1.476, allocations: 10.02 MB / 1.566 GB, free: 2.469 MB / 1.233 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001508/1.477, allocations: 0.7453 MB / 1.567 GB, free: 1.703 MB / 1.233 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003681/1.478, allocations: 51.98 kB / 1.567 GB, free: 1.652 MB / 1.233 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003338/1.481, allocations: 0.5109 MB / 1.568 GB, free: 1.141 MB / 1.233 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007063/1.482, allocations: 227.9 kB / 1.568 GB, free: 0.9258 MB / 1.233 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000224/1.482, allocations: 95.94 kB / 1.568 GB, free: 0.832 MB / 1.233 GB Notification: Performance of sorting global known variables: time 0.00151/1.483, allocations: 1.005 MB / 1.569 GB, free: 15.82 MB / 1.248 GB Notification: Performance of sort global known variables: time 2.01e-07/1.483, allocations: 0 / 1.569 GB, free: 15.82 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.005627/1.489, allocations: 1.852 MB / 1.571 GB, free: 13.97 MB / 1.248 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.02529/1.514, allocations: 10.69 MB / 1.581 GB, free: 3.125 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.02854/1.543, allocations: 12.01 MB / 1.593 GB, free: 7.035 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.076e-05/1.543, allocations: 4 kB / 1.593 GB, free: 7.031 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01087/1.554, allocations: 4.268 MB / 1.597 GB, free: 2.73 MB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002139/1.556, allocations: 297.2 kB / 1.597 GB, free: 2.449 MB / 1.264 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09384/1.65, allocations: 42.42 MB / 1.639 GB, free: 6.758 MB / 1.311 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003221/1.653, allocations: 2.849 MB / 1.642 GB, free: 3.871 MB / 1.311 GB Notification: Performance of simCode: alias equations: time 0.004174/1.657, allocations: 1.661 MB / 1.643 GB, free: 2.207 MB / 1.311 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001706/1.659, allocations: 1.222 MB / 1.644 GB, free: 0.9844 MB / 1.311 GB Notification: Performance of SimCode: time 7.11e-07/1.659, allocations: 0 / 1.644 GB, free: 0.9844 MB / 1.311 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.166/1.825, allocations: 105.4 MB / 1.747 GB, free: 8.023 MB / 1.42 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.96/16.78, allocations: 11.88 kB / 1.747 GB, free: 8.016 MB / 1.42 GB " [Timeout remaining time 283] (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_10_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 22.017083051003283]