Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.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 0.001363/0.001363, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001391/0.001391, allocations: 192.7 kB / 16.25 MB, free: 6.641 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.448/1.448, allocations: 222.9 MB / 239.9 MB, free: 4.512 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002561/0.002561, allocations: 291 kB / 290.4 MB, free: 2.121 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.094/1.094, allocations: 178.6 MB / 0.5069 GB, free: 4.73 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002742/0.002742, allocations: 104.1 kB / 0.606 GB, free: 25.06 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2146/0.2174, allocations: 89.15 MB / 0.693 GB, free: 4.641 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02355/0.241, allocations: 18.13 MB / 0.7107 GB, free: 2.449 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01314/0.2542, allocations: 6.776 MB / 0.7173 GB, free: 11.65 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002334/0.2565, allocations: 47.88 kB / 0.7174 GB, free: 11.61 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.005473/0.2621, allocations: 1.357 MB / 0.7187 GB, free: 10.25 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.00718/0.2693, allocations: 1.327 MB / 0.72 GB, free: 8.914 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.005829/0.2752, allocations: 1.169 MB / 0.7212 GB, free: 7.746 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.01094/0.2862, allocations: 5.484 MB / 0.7265 GB, free: 2.25 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01555/0.3018, allocations: 8.522 MB / 0.7348 GB, free: 9.629 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004463/0.3063, allocations: 2.388 MB / 0.7372 GB, free: 7.234 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005515/0.3118, allocations: 3.136 MB / 0.7402 GB, free: 4.09 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001822/0.3137, allocations: 0.5117 MB / 0.7407 GB, free: 3.578 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003665/0.3174, allocations: 1.276 MB / 0.742 GB, free: 2.301 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003907/0.3213, allocations: 2.238 MB / 0.7442 GB, free: 60 kB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.00495/0.3263, allocations: 2.198 MB / 0.7463 GB, free: 13.85 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.01088/0.3372, allocations: 7.787 MB / 0.7539 GB, free: 6.043 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 6.342e-06/0.3372, allocations: 0 / 0.7539 GB, free: 6.043 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.144e-06/0.3372, allocations: 0 / 0.7539 GB, free: 6.043 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002654/0.3375, allocations: 0 / 0.7539 GB, free: 6.043 MB / 0.545 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 0.01003/0.3475, allocations: 3.835 MB / 0.7577 GB, free: 2.148 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.092e-05/0.3476, allocations: 12.03 kB / 0.7577 GB, free: 2.137 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.3498/0.6974, allocations: 2.403 MB / 0.76 GB, free: 62.42 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00528/0.7027, allocations: 2.167 MB / 0.7621 GB, free: 61.88 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002596/0.703, allocations: 271.1 kB / 0.7624 GB, free: 61.76 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001438/0.7044, allocations: 351.3 kB / 0.7627 GB, free: 61.66 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01758/0.722, allocations: 7.156 MB / 0.7697 GB, free: 59.29 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.37e-05/0.7221, allocations: 5.906 kB / 0.7697 GB, free: 59.29 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005353/0.7227, allocations: 154.3 kB / 0.7699 GB, free: 59.18 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006834/0.7234, allocations: 334.6 kB / 0.7702 GB, free: 59.14 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0193/0.7427, allocations: 7.052 MB / 0.7771 GB, free: 57.14 MB / 0.545 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 0.03091/0.7736, allocations: 26.74 MB / 0.8032 GB, free: 35.29 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007267/0.7809, allocations: 4.988 MB / 0.808 GB, free: 31.9 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005353/0.7863, allocations: 2.604 MB / 0.8106 GB, free: 30.61 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002393/0.7866, allocations: 129.7 kB / 0.8107 GB, free: 30.5 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.005e-05/0.7866, allocations: 68.27 kB / 0.8108 GB, free: 30.43 MB / 0.545 GB Notification: Performance of pre-optimization done (n=208): time 4.047e-06/0.7866, allocations: 0 / 0.8108 GB, free: 30.43 MB / 0.545 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 0.09053/0.8772, allocations: 30.95 MB / 0.841 GB, free: 1.898 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.047e-05/0.8773, allocations: 239.6 kB / 0.8412 GB, free: 1.617 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001804/0.8791, allocations: 1.469 MB / 0.8427 GB, free: 144 kB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0005281/0.8796, allocations: 69.7 kB / 0.8427 GB, free: 68 kB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.00121/0.8808, allocations: 1.497 MB / 0.8442 GB, free: 14.56 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001131/0.882, allocations: 0.9251 MB / 0.8451 GB, free: 13.64 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001208/0.8832, allocations: 0.6357 MB / 0.8457 GB, free: 13 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001408/0.8833, allocations: 305.1 kB / 0.846 GB, free: 12.7 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006051/0.8894, allocations: 2.682 MB / 0.8486 GB, free: 10.01 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007074/0.8965, allocations: 3.571 MB / 0.8521 GB, free: 6.059 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01312/0.9096, allocations: 6.399 MB / 0.8584 GB, free: 15.26 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.127e-05/0.9097, allocations: 8 kB / 0.8584 GB, free: 15.25 MB / 0.5762 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 0.02967/0.9394, allocations: 11.02 MB / 0.8691 GB, free: 4.129 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 5.09e-05/0.9394, allocations: 16 kB / 0.8691 GB, free: 4.113 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.211e-05/0.9395, allocations: 35.92 kB / 0.8692 GB, free: 4.078 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02122/0.9607, allocations: 5.556 MB / 0.8746 GB, free: 14.5 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004766/0.9655, allocations: 0.9906 MB / 0.8756 GB, free: 13.51 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04674/1.012, allocations: 28.2 MB / 0.9031 GB, free: 0.8828 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004687/1.017, allocations: 0.5693 MB / 0.9037 GB, free: 320 kB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004355/1.017, allocations: 155.9 kB / 0.9038 GB, free: 164 kB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008542/1.026, allocations: 3.987 MB / 0.9077 GB, free: 12.17 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007039/1.033, allocations: 3.528 MB / 0.9112 GB, free: 8.258 MB / 0.6231 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08981/1.123, allocations: 24.66 MB / 0.9352 GB, free: 15.09 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.364e-05/1.123, allocations: 8 kB / 0.9352 GB, free: 15.08 MB / 0.6544 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 0.02713/1.15, allocations: 10.53 MB / 0.9455 GB, free: 4.406 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 4.604e-05/1.15, allocations: 18.19 kB / 0.9456 GB, free: 4.391 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.067e-05/1.15, allocations: 24 kB / 0.9456 GB, free: 4.367 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01586/1.166, allocations: 4.337 MB / 0.9498 GB, free: 16 kB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004921/1.171, allocations: 1.038 MB / 0.9508 GB, free: 14.98 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03753/1.209, allocations: 27.15 MB / 0.9773 GB, free: 3.109 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004685/1.213, allocations: 0.5536 MB / 0.9779 GB, free: 2.555 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004201/1.214, allocations: 152 kB / 0.978 GB, free: 2.406 MB / 0.6856 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 0.001117/1.215, allocations: 402.3 kB / 0.9784 GB, free: 2.012 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006059/1.216, allocations: 201.6 kB / 0.9786 GB, free: 1.812 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 postOpt wrapFunctionCalls (simulation): time 0.02756/1.243, allocations: 10.17 MB / 0.9885 GB, free: 7.574 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.758e-05/1.243, allocations: 28 kB / 0.9886 GB, free: 7.547 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.802e-05/1.243, allocations: 12 kB / 0.9886 GB, free: 7.535 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.94e-05/1.243, allocations: 15.95 kB / 0.9886 GB, free: 7.52 MB / 0.7012 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 0.03786/1.281, allocations: 16.32 MB / 1.005 GB, free: 6.953 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.361e-05/1.281, allocations: 8 kB / 1.005 GB, free: 6.945 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003591/1.285, allocations: 0.7299 MB / 1.005 GB, free: 6.215 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02003/1.305, allocations: 5.197 MB / 1.01 GB, free: 1.004 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008012/1.306, allocations: 71.95 kB / 1.01 GB, free: 0.9336 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04374/1.35, allocations: 27.26 MB / 1.037 GB, free: 5.172 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.07e-05/1.35, allocations: 8 kB / 1.037 GB, free: 5.164 MB / 0.7481 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 0.4184/1.768, allocations: 10.09 MB / 1.047 GB, free: 245.3 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002739/1.771, allocations: 0.722 MB / 1.048 GB, free: 245.2 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009091/1.772, allocations: 53.5 kB / 1.048 GB, free: 245.2 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00749/1.779, allocations: 0.5091 MB / 1.048 GB, free: 245.2 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001435/1.781, allocations: 226 kB / 1.048 GB, free: 245.2 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004666/1.781, allocations: 93.66 kB / 1.048 GB, free: 245.2 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.002806/1.784, allocations: 0.9991 MB / 1.049 GB, free: 245.1 MB / 0.7481 GB Notification: Performance of sort global known variables: time 3.81e-07/1.784, allocations: 0 / 1.049 GB, free: 245.1 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.01243/1.796, allocations: 1.858 MB / 1.051 GB, free: 245.1 MB / 0.7481 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 0.0009923/1.797, allocations: 180.3 kB / 1.051 GB, free: 245 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.06455/1.862, allocations: 14.38 MB / 1.065 GB, free: 242.9 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.662e-05/1.862, allocations: 9.625 kB / 1.065 GB, free: 242.9 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.01742/1.879, allocations: 4.411 MB / 1.07 GB, free: 241.4 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003836/1.883, allocations: 287.8 kB / 1.07 GB, free: 241.2 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03541/1.919, allocations: 11.13 MB / 1.081 GB, free: 236.4 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004244/1.923, allocations: 2.843 MB / 1.084 GB, free: 235.3 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.009627/1.933, allocations: 1.657 MB / 1.085 GB, free: 235.1 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001203/1.934, allocations: 181.1 kB / 1.085 GB, free: 235.1 MB / 0.7481 GB Notification: Performance of SimCode: time 1.453e-06/1.934, allocations: 0 / 1.085 GB, free: 235.1 MB / 0.7481 GB Notification: Performance of Templates: time 0.1342/2.068, allocations: 78.4 MB / 1.162 GB, free: 163.4 MB / 0.7481 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)