Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00107/0.00107, allocations: 102.9 kB / 16.29 MB, free: 6.43 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001116/0.001116, allocations: 187.9 kB / 17.22 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.57/1.57, allocations: 205.1 MB / 223.1 MB, free: 12.3 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.917/1.917, allocations: 292.3 MB / 0.5495 GB, free: 17.4 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001575/0.001575, allocations: 71.91 kB / 0.6722 GB, free: 6.449 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2403/0.2419, allocations: 114.6 MB / 0.7841 GB, free: 3.773 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.4535/0.6954, allocations: 18.14 MB / 0.8018 GB, free: 40.43 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01291/0.7084, allocations: 6.838 MB / 0.8085 GB, free: 35.82 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002425/0.7109, allocations: 60.31 kB / 0.8086 GB, free: 35.8 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00456/0.7155, allocations: 1.454 MB / 0.81 GB, free: 34.95 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004837/0.7204, allocations: 1.395 MB / 0.8113 GB, free: 34.18 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004166/0.7246, allocations: 1.287 MB / 0.8126 GB, free: 33.49 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.009034/0.7336, allocations: 5.43 MB / 0.8179 GB, free: 31.2 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01208/0.7457, allocations: 7.207 MB / 0.8249 GB, free: 28.6 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005168/0.7509, allocations: 2.342 MB / 0.8272 GB, free: 27.55 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006848/0.7578, allocations: 2.958 MB / 0.8301 GB, free: 26.31 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002525/0.7604, allocations: 0.5111 MB / 0.8306 GB, free: 26.31 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005397/0.7658, allocations: 1.251 MB / 0.8318 GB, free: 26.04 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005837/0.7717, allocations: 2.234 MB / 0.834 GB, free: 25.19 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.008333/0.78, allocations: 2.173 MB / 0.8361 GB, free: 23.79 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01523/0.7953, allocations: 7.725 MB / 0.8437 GB, free: 20.85 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 7.694e-06/0.7953, allocations: 2.875 kB / 0.8437 GB, free: 20.85 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.893e-06/0.7953, allocations: 3.938 kB / 0.8437 GB, free: 20.85 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0003188/0.7957, allocations: 0 / 0.8437 GB, free: 20.85 MB / 0.6544 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 0.01655/0.8122, allocations: 3.783 MB / 0.8474 GB, free: 18.31 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.202e-05/0.8123, allocations: 9.906 kB / 0.8474 GB, free: 18.31 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01364/0.8259, allocations: 2.335 MB / 0.8497 GB, free: 17.2 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007431/0.8334, allocations: 2.152 MB / 0.8518 GB, free: 15.85 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000414/0.8338, allocations: 264.7 kB / 0.852 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002437/0.8363, allocations: 352.6 kB / 0.8524 GB, free: 15.61 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02546/0.8618, allocations: 7.087 MB / 0.8593 GB, free: 11.57 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002938/0.8621, allocations: 10.16 kB / 0.8593 GB, free: 11.56 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001921/0.864, allocations: 147.4 kB / 0.8594 GB, free: 11.45 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006231/0.8647, allocations: 327.6 kB / 0.8598 GB, free: 11.36 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01892/0.8836, allocations: 6.989 MB / 0.8666 GB, free: 6.254 MB / 0.6544 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 0.04343/0.9271, allocations: 26.37 MB / 0.8923 GB, free: 9.707 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008983/0.9361, allocations: 4.98 MB / 0.8972 GB, free: 4.418 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005897/0.942, allocations: 2.605 MB / 0.8997 GB, free: 1.797 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003358/0.9424, allocations: 131 kB / 0.8999 GB, free: 1.652 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.658e-05/0.9425, allocations: 64.5 kB / 0.8999 GB, free: 1.578 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.238e-06/0.9425, allocations: 0 / 0.8999 GB, free: 1.578 MB / 0.6856 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 0.1058/1.048, allocations: 30.9 MB / 0.9301 GB, free: 2.586 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001659/1.049, allocations: 239.6 kB / 0.9303 GB, free: 2.305 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003097/1.052, allocations: 1.4 MB / 0.9317 GB, free: 0.8945 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0007498/1.052, allocations: 65.7 kB / 0.9318 GB, free: 0.8242 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001299/1.054, allocations: 1.489 MB / 0.9332 GB, free: 15.31 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001552/1.055, allocations: 0.9165 MB / 0.9341 GB, free: 14.38 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001278/1.057, allocations: 0.6279 MB / 0.9347 GB, free: 13.75 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.000129/1.057, allocations: 309.1 kB / 0.935 GB, free: 13.44 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005692/1.062, allocations: 2.67 MB / 0.9376 GB, free: 10.76 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006513/1.069, allocations: 3.544 MB / 0.9411 GB, free: 6.84 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01212/1.081, allocations: 6.387 MB / 0.9473 GB, free: 56 kB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.117e-05/1.081, allocations: 9.969 kB / 0.9473 GB, free: 48 kB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02829/1.109, allocations: 10.99 MB / 0.9581 GB, free: 4.949 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.728e-05/1.109, allocations: 16 kB / 0.9581 GB, free: 4.934 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.224e-05/1.11, allocations: 24.75 kB / 0.9581 GB, free: 4.91 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02038/1.13, allocations: 5.466 MB / 0.9634 GB, free: 15.43 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004678/1.135, allocations: 0.9906 MB / 0.9644 GB, free: 14.44 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04745/1.182, allocations: 28.14 MB / 0.9919 GB, free: 1.848 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004966/1.187, allocations: 0.5535 MB / 0.9924 GB, free: 1.293 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009674/1.188, allocations: 148 kB / 0.9926 GB, free: 1.148 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01039/1.199, allocations: 3.964 MB / 0.9964 GB, free: 13.18 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007711/1.206, allocations: 3.513 MB / 0.9999 GB, free: 9.285 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08834/1.295, allocations: 24.56 MB / 1.024 GB, free: 220 kB / 0.8106 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.425e-05/1.295, allocations: 8 kB / 1.024 GB, free: 212 kB / 0.8106 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 0.02851/1.323, allocations: 10.49 MB / 1.034 GB, free: 5.57 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 5.08e-05/1.323, allocations: 17.72 kB / 1.034 GB, free: 5.555 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.17e-05/1.323, allocations: 31.98 kB / 1.034 GB, free: 5.523 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01487/1.338, allocations: 4.247 MB / 1.038 GB, free: 1.258 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004697/1.343, allocations: 1.034 MB / 1.039 GB, free: 228 kB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03663/1.38, allocations: 27.08 MB / 1.066 GB, free: 4.414 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004501/1.384, allocations: 0.538 MB / 1.066 GB, free: 3.875 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008343/1.385, allocations: 148 kB / 1.066 GB, free: 3.73 MB / 0.8575 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001607/1.387, allocations: 392.5 kB / 1.067 GB, free: 3.34 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009802/1.388, allocations: 197.7 kB / 1.067 GB, free: 3.145 MB / 0.8575 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 0.0276/1.415, allocations: 10.16 MB / 1.077 GB, free: 8.906 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.674e-05/1.416, allocations: 28 kB / 1.077 GB, free: 8.879 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.059e-05/1.416, allocations: 12 kB / 1.077 GB, free: 8.867 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.361e-05/1.416, allocations: 19.94 kB / 1.077 GB, free: 8.848 MB / 0.8731 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 0.03979/1.455, allocations: 16.29 MB / 1.093 GB, free: 8.316 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.688e-05/1.456, allocations: 8 kB / 1.093 GB, free: 8.309 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003351/1.459, allocations: 0.73 MB / 1.094 GB, free: 7.578 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.018/1.477, allocations: 5.103 MB / 1.099 GB, free: 2.457 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007637/1.478, allocations: 71.95 kB / 1.099 GB, free: 2.387 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0398/1.518, allocations: 27.21 MB / 1.125 GB, free: 6.68 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.949e-06/1.518, allocations: 12.03 kB / 1.125 GB, free: 6.668 MB / 0.92 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 0.5719/2.089, allocations: 10.08 MB / 1.135 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002348/2.092, allocations: 0.7202 MB / 1.136 GB, free: 288.7 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007997/2.093, allocations: 49.78 kB / 1.136 GB, free: 288.7 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003665/2.096, allocations: 0.506 MB / 1.136 GB, free: 288.7 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000965/2.097, allocations: 226.6 kB / 1.137 GB, free: 288.7 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002839/2.098, allocations: 90.28 kB / 1.137 GB, free: 288.7 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001675/2.099, allocations: 0.9497 MB / 1.138 GB, free: 288.6 MB / 0.92 GB Notification: Performance of sort global known variables: time 2.2e-07/2.099, allocations: 3.438 kB / 1.138 GB, free: 288.6 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.008894/2.108, allocations: 1.835 MB / 1.139 GB, free: 288.6 MB / 0.92 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006078/2.109, allocations: 177 kB / 1.14 GB, free: 288.5 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03763/2.146, allocations: 12.41 MB / 1.152 GB, free: 287.4 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.9e-05/2.147, allocations: 2 kB / 1.152 GB, free: 287.4 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01262/2.159, allocations: 4.423 MB / 1.156 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002992/2.162, allocations: 271.4 kB / 1.156 GB, free: 286.8 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02401/2.186, allocations: 8.94 MB / 1.165 GB, free: 283.7 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003955/2.19, allocations: 2.836 MB / 1.168 GB, free: 282.5 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.004803/2.195, allocations: 1.637 MB / 1.169 GB, free: 282.5 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006969/2.196, allocations: 169.4 kB / 1.169 GB, free: 282.5 MB / 0.92 GB Notification: Performance of SimCode: time 1.322e-06/2.196, allocations: 0 / 1.169 GB, free: 282.5 MB / 0.92 GB Notification: Performance of Templates: time 0.1103/2.306, allocations: 77.12 MB / 1.245 GB, free: 227.2 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)