Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_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) 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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00112/0.00112, allocations: 110.4 kB / 16.36 MB, free: 5.988 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001025/0.001025, allocations: 189.2 kB / 17.3 MB, free: 5.598 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.386/1.386, allocations: 205.1 MB / 223.2 MB, free: 12.25 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 1.803/1.803, allocations: 292.3 MB / 0.5496 GB, free: 17.6 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 0.001948/0.001949, allocations: 67.91 kB / 0.673 GB, free: 5.816 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.241/0.243, allocations: 114.5 MB / 0.7848 GB, free: 3.152 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.4226/0.6656, allocations: 18.24 MB / 0.8026 GB, free: 40.36 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01337/0.679, allocations: 6.855 MB / 0.8093 GB, free: 35.73 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00276/0.6819, allocations: 56.59 kB / 0.8094 GB, free: 35.73 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00493/0.6868, allocations: 1.459 MB / 0.8108 GB, free: 34.87 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.005061/0.6919, allocations: 1.4 MB / 0.8122 GB, free: 34.09 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.00465/0.6966, allocations: 1.299 MB / 0.8134 GB, free: 33.39 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.01081/0.7074, allocations: 5.461 MB / 0.8188 GB, free: 31.09 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01467/0.7222, allocations: 7.241 MB / 0.8258 GB, free: 28.47 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006347/0.7286, allocations: 2.367 MB / 0.8281 GB, free: 27.4 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007132/0.7357, allocations: 2.96 MB / 0.831 GB, free: 26.16 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002917/0.7387, allocations: 0.5148 MB / 0.8315 GB, free: 26.16 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006633/0.7453, allocations: 1.275 MB / 0.8328 GB, free: 25.88 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.006894/0.7523, allocations: 2.252 MB / 0.835 GB, free: 25.02 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.009655/0.762, allocations: 2.189 MB / 0.8371 GB, free: 23.6 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01789/0.7799, allocations: 7.776 MB / 0.8447 GB, free: 20.57 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 8.777e-06/0.7799, allocations: 5 kB / 0.8447 GB, free: 20.57 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.695e-06/0.7799, allocations: 1.688 kB / 0.8447 GB, free: 20.57 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.000357/0.7803, allocations: 0 / 0.8447 GB, free: 20.57 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01777/0.7981, allocations: 3.827 MB / 0.8485 GB, free: 18 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.335e-05/0.7982, allocations: 9.844 kB / 0.8485 GB, free: 18 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.014/0.8122, allocations: 2.353 MB / 0.8508 GB, free: 16.87 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007075/0.8193, allocations: 2.157 MB / 0.8529 GB, free: 15.52 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003101/0.8196, allocations: 267.8 kB / 0.8531 GB, free: 15.4 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002291/0.8219, allocations: 363 kB / 0.8535 GB, free: 15.27 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02158/0.8435, allocations: 7.123 MB / 0.8604 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.135e-05/0.8437, allocations: 6.281 kB / 0.8604 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005717/0.8442, allocations: 146.5 kB / 0.8606 GB, free: 11.1 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004977/0.8447, allocations: 337.5 kB / 0.8609 GB, free: 11 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01724/0.862, allocations: 6.996 MB / 0.8677 GB, free: 5.43 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 0.04019/0.9022, allocations: 26.49 MB / 0.8936 GB, free: 8.754 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008955/0.9112, allocations: 4.991 MB / 0.8985 GB, free: 3.453 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006271/0.9175, allocations: 2.596 MB / 0.901 GB, free: 0.8398 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003366/0.9179, allocations: 131 kB / 0.9011 GB, free: 0.6953 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.065e-05/0.918, allocations: 68.5 kB / 0.9012 GB, free: 0.6172 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 6.262e-06/0.918, allocations: 1.969 kB / 0.9012 GB, free: 0.6172 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 0.1084/1.026, allocations: 30.94 MB / 0.9314 GB, free: 1.586 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001401/1.027, allocations: 239.6 kB / 0.9316 GB, free: 1.305 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002535/1.029, allocations: 1.45 MB / 0.9331 GB, free: 15.84 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006975/1.03, allocations: 73.69 kB / 0.9331 GB, free: 15.77 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001019/1.031, allocations: 1.497 MB / 0.9346 GB, free: 14.25 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0013/1.032, allocations: 0.9164 MB / 0.9355 GB, free: 13.32 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001859/1.034, allocations: 0.6241 MB / 0.9361 GB, free: 12.69 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001099/1.034, allocations: 309.1 kB / 0.9364 GB, free: 12.38 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006161/1.04, allocations: 2.67 MB / 0.939 GB, free: 9.703 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007323/1.048, allocations: 3.556 MB / 0.9425 GB, free: 5.77 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01351/1.061, allocations: 6.379 MB / 0.9487 GB, free: 14.99 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.342e-05/1.061, allocations: 12 kB / 0.9487 GB, free: 14.98 MB / 0.7481 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 0.02991/1.091, allocations: 10.99 MB / 0.9595 GB, free: 3.879 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.925e-05/1.091, allocations: 16.78 kB / 0.9595 GB, free: 3.863 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.49e-05/1.091, allocations: 24 kB / 0.9595 GB, free: 3.84 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02069/1.112, allocations: 5.462 MB / 0.9648 GB, free: 14.36 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004573/1.117, allocations: 0.9866 MB / 0.9658 GB, free: 13.38 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04598/1.163, allocations: 28.15 MB / 0.9933 GB, free: 0.7695 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004973/1.168, allocations: 0.5536 MB / 0.9938 GB, free: 220 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001004/1.169, allocations: 151.9 kB / 0.994 GB, free: 68 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01009/1.179, allocations: 3.96 MB / 0.9978 GB, free: 12.1 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007223/1.186, allocations: 3.517 MB / 1.001 GB, free: 8.203 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09042/1.277, allocations: 24.55 MB / 1.025 GB, free: 15.14 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.653e-05/1.277, allocations: 8 kB / 1.025 GB, free: 15.14 MB / 0.8262 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 0.02753/1.304, allocations: 10.49 MB / 1.035 GB, free: 4.496 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.405e-05/1.304, allocations: 16.56 kB / 1.036 GB, free: 4.48 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.193e-05/1.304, allocations: 27.94 kB / 1.036 GB, free: 4.453 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0155/1.32, allocations: 4.254 MB / 1.04 GB, free: 184 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004876/1.325, allocations: 1.037 MB / 1.041 GB, free: 15.14 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04672/1.371, allocations: 27.11 MB / 1.067 GB, free: 3.305 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006992/1.378, allocations: 0.5303 MB / 1.068 GB, free: 2.773 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001084/1.38, allocations: 155.9 kB / 1.068 GB, free: 2.621 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 0.002/1.382, allocations: 396.5 kB / 1.068 GB, free: 2.227 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001283/1.383, allocations: 205.6 kB / 1.068 GB, free: 2.023 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 0.03155/1.414, allocations: 10.17 MB / 1.078 GB, free: 7.777 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.261e-05/1.415, allocations: 31.94 kB / 1.078 GB, free: 7.746 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.868e-05/1.415, allocations: 12 kB / 1.078 GB, free: 7.734 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.995e-05/1.415, allocations: 19.94 kB / 1.078 GB, free: 7.715 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 0.04153/1.456, allocations: 16.26 MB / 1.094 GB, free: 7.207 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.052e-05/1.456, allocations: 8 kB / 1.094 GB, free: 7.199 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003892/1.46, allocations: 0.7333 MB / 1.095 GB, free: 6.465 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01995/1.48, allocations: 5.095 MB / 1.1 GB, free: 1.352 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008188/1.481, allocations: 79.94 kB / 1.1 GB, free: 1.273 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04209/1.523, allocations: 27.2 MB / 1.127 GB, free: 5.57 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.338e-05/1.523, allocations: 11.94 kB / 1.127 GB, free: 5.559 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 0.5069/2.03, allocations: 10.1 MB / 1.137 GB, free: 289.3 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002653/2.033, allocations: 0.7184 MB / 1.137 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005623/2.033, allocations: 57.73 kB / 1.137 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003323/2.037, allocations: 0.5023 MB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009784/2.038, allocations: 228 kB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002392/2.038, allocations: 92.25 kB / 1.138 GB, free: 289.2 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001493/2.04, allocations: 0.9793 MB / 1.139 GB, free: 289.1 MB / 0.92 GB Notification: Performance of sort global known variables: time 5.91e-07/2.04, allocations: 3.656 kB / 1.139 GB, free: 289.1 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.007175/2.047, allocations: 1.843 MB / 1.141 GB, free: 289.1 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 0.0004906/2.047, allocations: 179.8 kB / 1.141 GB, free: 289 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.02995/2.077, allocations: 12.41 MB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.399e-05/2.077, allocations: 1.375 kB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01136/2.089, allocations: 4.414 MB / 1.157 GB, free: 287.1 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002672/2.091, allocations: 284.2 kB / 1.158 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02856/2.12, allocations: 9.493 MB / 1.167 GB, free: 283.8 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006913/2.127, allocations: 2.856 MB / 1.17 GB, free: 282.6 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.007349/2.134, allocations: 1.635 MB / 1.171 GB, free: 282.6 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001099/2.135, allocations: 170.2 kB / 1.172 GB, free: 282.6 MB / 0.92 GB Notification: Performance of SimCode: time 1.172e-06/2.135, allocations: 0 / 1.172 GB, free: 282.6 MB / 0.92 GB Notification: Performance of Templates: time 0.1216/2.257, allocations: 77.73 MB / 1.247 GB, free: 224.8 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)