Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) 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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_10_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 0.001419/0.001419, allocations: 110.5 kB / 16.41 MB, free: 6.504 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001485/0.001485, allocations: 183 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.316/1.316, allocations: 222.9 MB / 241.1 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.451/2.451, allocations: 437 MB / 0.7112 GB, free: 4.434 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001229/0.001229, allocations: 64.12 kB / 1.019 GB, free: 9.289 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.848/0.8493, allocations: 151.6 MB / 1.167 GB, free: 4.012 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02041/0.8697, allocations: 18.29 MB / 1.185 GB, free: 1.66 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01125/0.881, allocations: 6.824 MB / 1.192 GB, free: 10.81 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00158/0.8827, allocations: 55.88 kB / 1.192 GB, free: 10.76 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004134/0.8868, allocations: 1.468 MB / 1.193 GB, free: 9.285 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.003841/0.8907, allocations: 1.459 MB / 1.195 GB, free: 7.82 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003406/0.8941, allocations: 1.265 MB / 1.196 GB, free: 6.555 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.006556/0.9007, allocations: 5.476 MB / 1.201 GB, free: 1.066 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009382/0.9101, allocations: 7.105 MB / 1.208 GB, free: 9.852 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004181/0.9143, allocations: 2.38 MB / 1.211 GB, free: 7.465 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004893/0.9192, allocations: 2.968 MB / 1.214 GB, free: 4.488 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001663/0.9209, allocations: 0.5195 MB / 1.214 GB, free: 3.969 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003381/0.9243, allocations: 1.26 MB / 1.215 GB, free: 2.707 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.00338/0.9277, allocations: 2.257 MB / 1.218 GB, free: 456 kB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.004164/0.9319, allocations: 2.187 MB / 1.22 GB, free: 14.25 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.008163/0.9401, allocations: 7.8 MB / 1.227 GB, free: 6.426 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/0.9401, allocations: 0 / 1.227 GB, free: 6.426 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.783e-06/0.9401, allocations: 0 / 1.227 GB, free: 6.426 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0001904/0.9403, allocations: 0 / 1.227 GB, free: 6.426 MB / 0.9512 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 0.007951/0.9483, allocations: 3.915 MB / 1.231 GB, free: 2.445 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.039e-05/0.9483, allocations: 8.922 kB / 1.231 GB, free: 2.438 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01221/0.9606, allocations: 2.436 MB / 1.234 GB, free: 15.99 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004594/0.9652, allocations: 2.191 MB / 1.236 GB, free: 13.76 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000186/0.9654, allocations: 271.5 kB / 1.236 GB, free: 13.49 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008392/0.9662, allocations: 351.9 kB / 1.236 GB, free: 13.15 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01345/0.9797, allocations: 7.155 MB / 1.243 GB, free: 5.891 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.74e-05/0.9798, allocations: 7.891 kB / 1.243 GB, free: 5.883 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004067/0.9802, allocations: 151.9 kB / 1.243 GB, free: 5.734 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004223/0.9807, allocations: 338.1 kB / 1.244 GB, free: 5.402 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01511/0.9958, allocations: 7.047 MB / 1.251 GB, free: 14.34 MB / 0.9825 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 0.03433/1.03, allocations: 26.6 MB / 1.277 GB, free: 1.562 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007946/1.038, allocations: 4.991 MB / 1.281 GB, free: 12.28 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005663/1.044, allocations: 2.616 MB / 1.284 GB, free: 9.633 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002919/1.044, allocations: 131 kB / 1.284 GB, free: 9.484 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.675e-05/1.044, allocations: 52.56 kB / 1.284 GB, free: 9.426 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.047e-06/1.044, allocations: 4 kB / 1.284 GB, free: 9.422 MB / 1.014 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1/1.144, allocations: 31.19 MB / 1.315 GB, free: 10.17 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001247/1.144, allocations: 243.5 kB / 1.315 GB, free: 9.883 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002253/1.147, allocations: 1.473 MB / 1.316 GB, free: 8.402 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0005782/1.147, allocations: 73.64 kB / 1.316 GB, free: 8.324 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009335/1.148, allocations: 1.55 MB / 1.318 GB, free: 6.758 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001056/1.149, allocations: 0.9644 MB / 1.319 GB, free: 5.785 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00108/1.15, allocations: 0.632 MB / 1.319 GB, free: 5.145 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 9.766e-05/1.15, allocations: 309.1 kB / 1.32 GB, free: 4.84 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005683/1.156, allocations: 2.69 MB / 1.322 GB, free: 2.141 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006408/1.163, allocations: 3.567 MB / 1.326 GB, free: 14.19 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01276/1.175, allocations: 6.399 MB / 1.332 GB, free: 7.395 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.803e-05/1.175, allocations: 12 kB / 1.332 GB, free: 7.383 MB / 1.061 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 0.02874/1.204, allocations: 11.02 MB / 1.343 GB, free: 12.25 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.551e-05/1.204, allocations: 24.48 kB / 1.343 GB, free: 12.23 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.278e-05/1.204, allocations: 28 kB / 1.343 GB, free: 12.2 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02025/1.225, allocations: 5.544 MB / 1.348 GB, free: 6.648 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004446/1.229, allocations: 0.9984 MB / 1.349 GB, free: 5.648 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04293/1.272, allocations: 28.2 MB / 1.377 GB, free: 8.988 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004747/1.277, allocations: 0.5772 MB / 1.377 GB, free: 8.41 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006399/1.278, allocations: 148 kB / 1.378 GB, free: 8.266 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008858/1.286, allocations: 3.984 MB / 1.381 GB, free: 4.273 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007295/1.294, allocations: 3.532 MB / 1.385 GB, free: 368 kB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08865/1.382, allocations: 24.63 MB / 1.409 GB, free: 7.219 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.919e-05/1.382, allocations: 8 kB / 1.409 GB, free: 7.211 MB / 1.139 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 0.0264/1.409, allocations: 10.54 MB / 1.419 GB, free: 12.54 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 3.657e-05/1.409, allocations: 16 kB / 1.419 GB, free: 12.52 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.207e-05/1.409, allocations: 31.94 kB / 1.419 GB, free: 12.49 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01546/1.424, allocations: 4.325 MB / 1.424 GB, free: 8.145 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005153/1.43, allocations: 1.045 MB / 1.425 GB, free: 7.098 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0355/1.465, allocations: 27.15 MB / 1.451 GB, free: 11.22 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004654/1.47, allocations: 0.5576 MB / 1.452 GB, free: 10.66 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000587/1.471, allocations: 147.9 kB / 1.452 GB, free: 10.52 MB / 1.186 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0009354/1.472, allocations: 399.3 kB / 1.452 GB, free: 10.12 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006213/1.472, allocations: 210.7 kB / 1.452 GB, free: 9.91 MB / 1.186 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 0.02652/1.499, allocations: 10.17 MB / 1.462 GB, free: 15.66 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.978e-05/1.499, allocations: 31.94 kB / 1.462 GB, free: 15.63 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.399e-05/1.499, allocations: 12 kB / 1.462 GB, free: 15.62 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.399e-05/1.499, allocations: 15.94 kB / 1.462 GB, free: 15.61 MB / 1.201 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 0.03579/1.535, allocations: 16.28 MB / 1.478 GB, free: 15.08 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.923e-05/1.535, allocations: 12.22 kB / 1.478 GB, free: 15.07 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00358/1.538, allocations: 0.7332 MB / 1.479 GB, free: 14.33 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01852/1.557, allocations: 5.169 MB / 1.484 GB, free: 9.148 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006789/1.558, allocations: 75.95 kB / 1.484 GB, free: 9.074 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03806/1.596, allocations: 27.25 MB / 1.511 GB, free: 13.32 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.259e-05/1.596, allocations: 19.97 kB / 1.511 GB, free: 13.3 MB / 1.248 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 0.02489/1.621, allocations: 10.11 MB / 1.521 GB, free: 2.945 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001743/1.622, allocations: 0.7337 MB / 1.521 GB, free: 2.191 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004364/1.623, allocations: 51.98 kB / 1.521 GB, free: 2.141 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003351/1.626, allocations: 0.5108 MB / 1.522 GB, free: 1.629 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007338/1.627, allocations: 230.3 kB / 1.522 GB, free: 1.398 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002374/1.627, allocations: 87.95 kB / 1.522 GB, free: 1.312 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.001405/1.629, allocations: 1.009 MB / 1.523 GB, free: 308 kB / 1.248 GB Notification: Performance of sort global known variables: time 2.01e-07/1.629, allocations: 0 / 1.523 GB, free: 308 kB / 1.248 GB Notification: Performance of remove unused functions: time 0.005912/1.635, allocations: 1.852 MB / 1.525 GB, free: 14.45 MB / 1.264 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 0.0004486/1.635, allocations: 178.9 kB / 1.525 GB, free: 14.26 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.02787/1.663, allocations: 12.48 MB / 1.537 GB, free: 1.672 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.431e-05/1.663, allocations: 0 / 1.537 GB, free: 1.672 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01036/1.673, allocations: 4.43 MB / 1.542 GB, free: 13.2 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002211/1.676, allocations: 293.4 kB / 1.542 GB, free: 12.92 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02327/1.699, allocations: 10.16 MB / 1.552 GB, free: 2.617 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.6798/2.379, allocations: 2.905 MB / 1.555 GB, free: 361.4 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001508/2.38, allocations: 215.1 kB / 1.555 GB, free: 361.4 MB / 1.279 GB Notification: Performance of SimCode: time 1.092e-06/2.38, allocations: 3.844 kB / 1.555 GB, free: 361.4 MB / 1.279 GB Notification: Performance of Templates: time 0.1003/2.481, allocations: 108.1 MB / 1.66 GB, free: 275.6 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)