Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 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.BalancedStepUp.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.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001117/0.001117, allocations: 108.6 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001115/0.001115, allocations: 185.6 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 1.345/1.345, allocations: 222.9 MB / 241 MB, free: 15.15 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 2.436/2.436, allocations: 437 MB / 0.7112 GB, free: 4.379 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001441/0.001441, allocations: 60.09 kB / 1.019 GB, free: 9.336 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8627/0.8642, allocations: 151.6 MB / 1.167 GB, free: 3.953 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02149/0.8857, allocations: 18.19 MB / 1.185 GB, free: 1.699 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01149/0.8973, allocations: 6.797 MB / 1.192 GB, free: 10.88 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001813/0.8991, allocations: 55.88 kB / 1.192 GB, free: 10.82 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004042/0.9032, allocations: 1.468 MB / 1.193 GB, free: 9.352 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004319/0.9075, allocations: 1.443 MB / 1.195 GB, free: 7.902 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.003835/0.9114, allocations: 1.257 MB / 1.196 GB, free: 6.645 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007003/0.9184, allocations: 5.449 MB / 1.201 GB, free: 1.184 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009329/0.9278, allocations: 7.059 MB / 1.208 GB, free: 10.02 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003954/0.9318, allocations: 2.369 MB / 1.21 GB, free: 7.641 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005093/0.9369, allocations: 2.961 MB / 1.213 GB, free: 4.672 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001497/0.9384, allocations: 0.5078 MB / 1.214 GB, free: 4.164 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00318/0.9416, allocations: 1.264 MB / 1.215 GB, free: 2.898 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.003515/0.9452, allocations: 2.25 MB / 1.217 GB, free: 0.6445 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.004034/0.9492, allocations: 2.163 MB / 1.219 GB, free: 14.47 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.008689/0.9579, allocations: 7.741 MB / 1.227 GB, free: 6.711 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 5.25e-06/0.958, allocations: 0 / 1.227 GB, free: 6.711 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.864e-06/0.958, allocations: 0 / 1.227 GB, free: 6.711 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002152/0.9582, allocations: 4 kB / 1.227 GB, free: 6.707 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.009011/0.9672, allocations: 3.792 MB / 1.231 GB, free: 2.855 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.283e-05/0.9673, allocations: 8.922 kB / 1.231 GB, free: 2.848 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01266/0.9799, allocations: 2.407 MB / 1.233 GB, free: 444 kB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005644/0.9856, allocations: 2.178 MB / 1.235 GB, free: 14.21 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002398/0.9859, allocations: 263.4 kB / 1.235 GB, free: 13.95 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001246/0.9872, allocations: 351.8 kB / 1.236 GB, free: 13.61 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01505/1.002, allocations: 7.13 MB / 1.243 GB, free: 6.371 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.153e-05/1.002, allocations: 3.938 kB / 1.243 GB, free: 6.367 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005386/1.003, allocations: 148 kB / 1.243 GB, free: 6.223 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004799/1.003, allocations: 330 kB / 1.243 GB, free: 5.898 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01626/1.02, allocations: 7.035 MB / 1.25 GB, free: 14.85 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03506/1.055, allocations: 26.44 MB / 1.276 GB, free: 2.238 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007981/1.063, allocations: 4.984 MB / 1.281 GB, free: 12.96 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005679/1.068, allocations: 2.608 MB / 1.283 GB, free: 10.32 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002544/1.069, allocations: 135 kB / 1.283 GB, free: 10.17 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.006e-05/1.069, allocations: 60.56 kB / 1.283 GB, free: 10.11 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 3.957e-06/1.069, allocations: 0 / 1.283 GB, free: 10.11 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.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 0.1013/1.17, allocations: 30.91 MB / 1.314 GB, free: 11.11 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001457/1.17, allocations: 243.6 kB / 1.314 GB, free: 10.82 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002166/1.172, allocations: 1.423 MB / 1.315 GB, free: 9.391 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.000493/1.173, allocations: 73.7 kB / 1.315 GB, free: 9.312 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009384/1.174, allocations: 1.493 MB / 1.317 GB, free: 7.797 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001078/1.175, allocations: 0.9203 MB / 1.318 GB, free: 6.863 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001182/1.176, allocations: 0.6318 MB / 1.318 GB, free: 6.223 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 0.0001006/1.176, allocations: 305.1 kB / 1.319 GB, free: 5.922 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006045/1.182, allocations: 2.69 MB / 1.321 GB, free: 3.223 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006706/1.189, allocations: 3.571 MB / 1.325 GB, free: 15.27 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0126/1.202, allocations: 6.406 MB / 1.331 GB, free: 8.469 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.828e-05/1.202, allocations: 4 kB / 1.331 GB, free: 8.465 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.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 0.02904/1.231, allocations: 10.99 MB / 1.342 GB, free: 13.36 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 4.437e-05/1.231, allocations: 18.66 kB / 1.342 GB, free: 13.35 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.862e-05/1.231, allocations: 28 kB / 1.342 GB, free: 13.32 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0204/1.251, allocations: 5.56 MB / 1.347 GB, free: 7.746 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004381/1.256, allocations: 0.9984 MB / 1.348 GB, free: 6.746 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04603/1.302, allocations: 28.18 MB / 1.376 GB, free: 10.11 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004738/1.307, allocations: 0.5731 MB / 1.376 GB, free: 9.539 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000686/1.307, allocations: 151.9 kB / 1.376 GB, free: 9.391 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008685/1.316, allocations: 3.984 MB / 1.38 GB, free: 5.398 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006971/1.323, allocations: 3.54 MB / 1.384 GB, free: 1.477 MB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09157/1.415, allocations: 24.64 MB / 1.408 GB, free: 8.324 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.257e-05/1.415, allocations: 11.94 kB / 1.408 GB, free: 8.312 MB / 1.139 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 0.02772/1.442, allocations: 10.53 MB / 1.418 GB, free: 13.64 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.591e-05/1.443, allocations: 16 kB / 1.418 GB, free: 13.62 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.699e-05/1.443, allocations: 28 kB / 1.418 GB, free: 13.6 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01607/1.459, allocations: 4.325 MB / 1.422 GB, free: 9.258 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004717/1.463, allocations: 1.046 MB / 1.423 GB, free: 8.211 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03877/1.502, allocations: 27.14 MB / 1.45 GB, free: 12.33 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004703/1.507, allocations: 0.5577 MB / 1.45 GB, free: 11.77 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007285/1.508, allocations: 148 kB / 1.451 GB, free: 11.63 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001417/1.509, allocations: 400.3 kB / 1.451 GB, free: 11.23 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009095/1.51, allocations: 197.7 kB / 1.451 GB, free: 11.04 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 : 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 0.02908/1.539, allocations: 10.17 MB / 1.461 GB, free: 0.7891 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.564e-05/1.539, allocations: 28 kB / 1.461 GB, free: 0.7617 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.005e-05/1.539, allocations: 12 kB / 1.461 GB, free: 0.75 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.633e-05/1.539, allocations: 11.95 kB / 1.461 GB, free: 0.7383 MB / 1.186 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 0.04134/1.581, allocations: 16.31 MB / 1.477 GB, free: 188 kB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.711e-05/1.581, allocations: 8 kB / 1.477 GB, free: 180 kB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003471/1.584, allocations: 0.7375 MB / 1.478 GB, free: 15.44 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01901/1.603, allocations: 5.173 MB / 1.483 GB, free: 10.25 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006701/1.604, allocations: 75.95 kB / 1.483 GB, free: 10.18 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04255/1.647, allocations: 27.2 MB / 1.509 GB, free: 14.47 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.747e-05/1.647, allocations: 24.02 kB / 1.509 GB, free: 14.45 MB / 1.248 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 0.02838/1.675, allocations: 10.13 MB / 1.519 GB, free: 4.074 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002361/1.677, allocations: 0.721 MB / 1.52 GB, free: 3.332 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008109/1.678, allocations: 56 kB / 1.52 GB, free: 3.277 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003915/1.682, allocations: 0.507 MB / 1.521 GB, free: 2.77 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009549/1.683, allocations: 230.3 kB / 1.521 GB, free: 2.539 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004209/1.684, allocations: 91.95 kB / 1.521 GB, free: 2.449 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.00179/1.685, allocations: 0.9684 MB / 1.522 GB, free: 1.477 MB / 1.248 GB Notification: Performance of sort global known variables: time 1.3e-07/1.685, allocations: 0 / 1.522 GB, free: 1.477 MB / 1.248 GB Notification: Performance of remove unused functions: time 0.007481/1.693, allocations: 1.852 MB / 1.524 GB, free: 15.62 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 0.0006987/1.694, allocations: 178.9 kB / 1.524 GB, free: 15.44 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.03185/1.726, allocations: 12.44 MB / 1.536 GB, free: 2.891 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.441e-05/1.726, allocations: 0 / 1.536 GB, free: 2.891 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01109/1.737, allocations: 4.407 MB / 1.54 GB, free: 14.44 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002905/1.74, allocations: 276.5 kB / 1.541 GB, free: 14.17 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02621/1.766, allocations: 10.01 MB / 1.55 GB, free: 4.035 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004067/1.77, allocations: 2.907 MB / 1.553 GB, free: 1.098 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001247/1.771, allocations: 207.3 kB / 1.553 GB, free: 0.8945 MB / 1.279 GB Notification: Performance of SimCode: time 8.82e-07/1.771, allocations: 0 / 1.553 GB, free: 0.8945 MB / 1.279 GB Notification: Performance of Templates: time 0.694/2.465, allocations: 107.3 MB / 1.658 GB, free: 277.5 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)