Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001502/0.001502, allocations: 102.7 kB / 16.36 MB, free: 6.301 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001749/0.001749, allocations: 192.5 kB / 17.29 MB, free: 5.875 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.613/1.613, allocations: 205.1 MB / 223.2 MB, free: 12.23 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 1.832/1.832, allocations: 292.3 MB / 0.5496 GB, free: 17.61 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 0.002133/0.002133, allocations: 71.89 kB / 0.6729 GB, free: 5.781 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3045/0.3066, allocations: 114.6 MB / 0.7848 GB, free: 3.109 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.4231/0.7298, allocations: 18.16 MB / 0.8025 GB, free: 40.16 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.0178/0.7476, allocations: 6.823 MB / 0.8092 GB, free: 35.56 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002572/0.7504, allocations: 60.97 kB / 0.8093 GB, free: 35.55 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003734/0.7541, allocations: 1.462 MB / 0.8107 GB, free: 34.69 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004195/0.7583, allocations: 1.394 MB / 0.8121 GB, free: 33.91 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004146/0.7625, allocations: 1.28 MB / 0.8133 GB, free: 33.23 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008297/0.7708, allocations: 5.437 MB / 0.8186 GB, free: 30.94 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01131/0.7821, allocations: 7.199 MB / 0.8256 GB, free: 28.34 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005296/0.7875, allocations: 2.351 MB / 0.8279 GB, free: 27.29 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006247/0.7938, allocations: 2.952 MB / 0.8308 GB, free: 26.05 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002253/0.796, allocations: 0.5111 MB / 0.8313 GB, free: 26.05 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004599/0.8007, allocations: 1.268 MB / 0.8326 GB, free: 25.77 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.00488/0.8056, allocations: 2.242 MB / 0.8348 GB, free: 24.91 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.006779/0.8124, allocations: 2.165 MB / 0.8369 GB, free: 23.52 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01289/0.8253, allocations: 7.738 MB / 0.8444 GB, free: 20.57 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.142e-06/0.8253, allocations: 3.938 kB / 0.8444 GB, free: 20.56 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.573e-06/0.8253, allocations: 0 / 0.8444 GB, free: 20.56 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002645/0.8256, allocations: 0 / 0.8444 GB, free: 20.56 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 0.01314/0.8387, allocations: 3.789 MB / 0.8481 GB, free: 18.02 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.236e-05/0.8388, allocations: 8.906 kB / 0.8481 GB, free: 18.02 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01349/0.8523, allocations: 2.347 MB / 0.8504 GB, free: 16.9 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005959/0.8583, allocations: 2.17 MB / 0.8525 GB, free: 15.55 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002529/0.8586, allocations: 270 kB / 0.8528 GB, free: 15.42 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001809/0.8604, allocations: 348.4 kB / 0.8531 GB, free: 15.3 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01748/0.8779, allocations: 7.094 MB / 0.8601 GB, free: 11.26 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.867e-05/0.878, allocations: 11.25 kB / 0.8601 GB, free: 11.25 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005905/0.8786, allocations: 142.6 kB / 0.8602 GB, free: 11.14 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005343/0.8791, allocations: 332.8 kB / 0.8605 GB, free: 11.05 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01602/0.8952, allocations: 6.983 MB / 0.8674 GB, free: 5.77 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03837/0.9336, allocations: 26.36 MB / 0.8931 GB, free: 9.234 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009373/0.943, allocations: 4.987 MB / 0.898 GB, free: 3.938 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006444/0.9494, allocations: 2.6 MB / 0.9005 GB, free: 1.316 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003127/0.9498, allocations: 139 kB / 0.9006 GB, free: 1.164 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.531e-05/0.9498, allocations: 64.5 kB / 0.9007 GB, free: 1.09 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.127e-06/0.9498, allocations: 0 / 0.9007 GB, free: 1.09 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1085/1.058, allocations: 30.89 MB / 0.9309 GB, free: 2.117 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001297/1.058, allocations: 235.6 kB / 0.9311 GB, free: 1.84 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002164/1.061, allocations: 1.404 MB / 0.9325 GB, free: 436 kB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.000585/1.061, allocations: 70.36 kB / 0.9325 GB, free: 360 kB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009342/1.062, allocations: 1.482 MB / 0.934 GB, free: 14.84 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001046/1.063, allocations: 0.9204 MB / 0.9349 GB, free: 13.91 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001161/1.064, allocations: 0.6279 MB / 0.9355 GB, free: 13.27 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.715e-05/1.065, allocations: 305.1 kB / 0.9358 GB, free: 12.97 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006175/1.071, allocations: 2.67 MB / 0.9384 GB, free: 10.29 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006972/1.078, allocations: 3.556 MB / 0.9418 GB, free: 6.359 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01355/1.091, allocations: 6.389 MB / 0.9481 GB, free: 15.57 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.093e-05/1.091, allocations: 8 kB / 0.9481 GB, free: 15.57 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02986/1.121, allocations: 10.95 MB / 0.9588 GB, free: 4.508 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.737e-05/1.121, allocations: 16.78 kB / 0.9588 GB, free: 4.492 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.639e-05/1.121, allocations: 28 kB / 0.9588 GB, free: 4.465 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02022/1.142, allocations: 5.474 MB / 0.9642 GB, free: 14.98 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004528/1.146, allocations: 0.9867 MB / 0.9651 GB, free: 13.99 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04372/1.19, allocations: 28.14 MB / 0.9926 GB, free: 1.398 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004682/1.195, allocations: 0.5498 MB / 0.9932 GB, free: 0.8477 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006046/1.195, allocations: 151.9 kB / 0.9933 GB, free: 0.6992 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008797/1.204, allocations: 3.968 MB / 0.9972 GB, free: 12.72 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007034/1.211, allocations: 3.509 MB / 1.001 GB, free: 8.836 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08983/1.301, allocations: 24.57 MB / 1.025 GB, free: 15.75 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.254e-05/1.301, allocations: 8 kB / 1.025 GB, free: 15.75 MB / 0.8262 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02658/1.328, allocations: 10.49 MB / 1.035 GB, free: 5.113 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 3.369e-05/1.328, allocations: 19.41 kB / 1.035 GB, free: 5.098 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.678e-05/1.328, allocations: 24 kB / 1.035 GB, free: 5.074 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01521/1.343, allocations: 4.243 MB / 1.039 GB, free: 0.8125 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004824/1.348, allocations: 1.045 MB / 1.04 GB, free: 15.77 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03496/1.383, allocations: 27.12 MB / 1.067 GB, free: 3.91 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004668/1.387, allocations: 0.5263 MB / 1.067 GB, free: 3.383 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006565/1.388, allocations: 159.9 kB / 1.067 GB, free: 3.227 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.001077/1.389, allocations: 387.4 kB / 1.068 GB, free: 2.84 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006874/1.39, allocations: 193.7 kB / 1.068 GB, free: 2.648 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02745/1.417, allocations: 10.16 MB / 1.078 GB, free: 8.414 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.064e-05/1.417, allocations: 28 kB / 1.078 GB, free: 8.387 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.411e-05/1.417, allocations: 16 kB / 1.078 GB, free: 8.371 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.6e-05/1.418, allocations: 19.94 kB / 1.078 GB, free: 8.352 MB / 0.8731 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03678/1.454, allocations: 16.3 MB / 1.094 GB, free: 7.809 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.702e-05/1.454, allocations: 4 kB / 1.094 GB, free: 7.805 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003591/1.458, allocations: 0.7419 MB / 1.094 GB, free: 7.062 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01875/1.477, allocations: 5.099 MB / 1.099 GB, free: 1.945 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006135/1.477, allocations: 71.95 kB / 1.099 GB, free: 1.875 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03977/1.517, allocations: 27.17 MB / 1.126 GB, free: 6.203 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.105e-05/1.517, allocations: 16.02 kB / 1.126 GB, free: 6.188 MB / 0.92 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.43/1.947, allocations: 10.13 MB / 1.136 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001913/1.949, allocations: 0.7071 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005197/1.95, allocations: 56.86 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003505/1.953, allocations: 0.5023 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006657/1.954, allocations: 226.6 kB / 1.137 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000232/1.954, allocations: 90.69 kB / 1.137 GB, free: 288.8 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001262/1.955, allocations: 0.9565 MB / 1.138 GB, free: 288.7 MB / 0.92 GB Notification: Performance of sort global known variables: time 2.61e-07/1.955, allocations: 2.156 kB / 1.138 GB, free: 288.7 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.006046/1.961, allocations: 1.841 MB / 1.14 GB, free: 288.7 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 0.0004306/1.962, allocations: 174.7 kB / 1.14 GB, free: 288.6 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03074/1.993, allocations: 12.41 MB / 1.152 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.371e-05/1.993, allocations: 1.469 kB / 1.152 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01129/2.004, allocations: 4.391 MB / 1.157 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002449/2.006, allocations: 257.2 kB / 1.157 GB, free: 286.9 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02627/2.033, allocations: 10.01 MB / 1.167 GB, free: 283.4 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003388/2.036, allocations: 2.907 MB / 1.17 GB, free: 282.2 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001217/2.037, allocations: 209.3 kB / 1.17 GB, free: 282.2 MB / 0.92 GB Notification: Performance of SimCode: time 1.092e-06/2.037, allocations: 1.281 kB / 1.17 GB, free: 282.2 MB / 0.92 GB Notification: Performance of Templates: time 0.1026/2.14, allocations: 106.6 MB / 1.274 GB, free: 197.4 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)