Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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(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_latest_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_latest_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 0.001375/0.001375, allocations: 108.7 kB / 16.41 MB, free: 6.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001457/0.001457, allocations: 186.2 kB / 17.34 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.424/1.424, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.68/2.68, allocations: 461.9 MB / 0.7354 GB, free: 11.07 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001579/0.001579, allocations: 63.91 kB / 1.055 GB, free: 7.613 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.068/1.07, allocations: 157.4 MB / 1.209 GB, free: 13.61 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02553/1.095, allocations: 18.26 MB / 1.226 GB, free: 11.28 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.0162/1.112, allocations: 6.827 MB / 1.233 GB, free: 4.438 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003051/1.115, allocations: 59.81 kB / 1.233 GB, free: 4.379 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.005034/1.12, allocations: 1.473 MB / 1.235 GB, free: 2.902 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004808/1.125, allocations: 1.432 MB / 1.236 GB, free: 1.465 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.004039/1.129, allocations: 1.274 MB / 1.237 GB, free: 196 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.007743/1.137, allocations: 5.464 MB / 1.242 GB, free: 10.71 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01169/1.148, allocations: 7.104 MB / 1.249 GB, free: 3.5 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004849/1.153, allocations: 2.38 MB / 1.252 GB, free: 1.113 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006237/1.159, allocations: 2.968 MB / 1.255 GB, free: 14.14 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.00217/1.162, allocations: 0.5117 MB / 1.255 GB, free: 13.62 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004466/1.166, allocations: 1.268 MB / 1.256 GB, free: 12.36 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.00466/1.171, allocations: 2.254 MB / 1.259 GB, free: 10.1 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.00626/1.177, allocations: 2.19 MB / 1.261 GB, free: 7.898 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.01304/1.19, allocations: 7.773 MB / 1.268 GB, free: 108 kB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 6.933e-06/1.19, allocations: 3.938 kB / 1.268 GB, free: 104 kB / 0.9825 GB Notification: Performance of FrontEnd: time 2.285e-06/1.19, allocations: 4 kB / 1.268 GB, free: 100 kB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0003033/1.191, allocations: 0 / 1.268 GB, free: 100 kB / 0.9825 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 0.01439/1.205, allocations: 3.823 MB / 1.272 GB, free: 12.21 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.107e-05/1.205, allocations: 8.031 kB / 1.272 GB, free: 12.21 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01395/1.219, allocations: 2.423 MB / 1.274 GB, free: 9.777 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005853/1.225, allocations: 2.182 MB / 1.277 GB, free: 7.551 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002664/1.225, allocations: 275.5 kB / 1.277 GB, free: 7.281 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00117/1.226, allocations: 351.9 kB / 1.277 GB, free: 6.938 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01626/1.243, allocations: 7.159 MB / 1.284 GB, free: 15.68 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.197e-05/1.243, allocations: 7.984 kB / 1.284 GB, free: 15.67 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004501/1.243, allocations: 148 kB / 1.284 GB, free: 15.52 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005199/1.244, allocations: 334.1 kB / 1.285 GB, free: 15.2 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0165/1.26, allocations: 7.051 MB / 1.292 GB, free: 8.133 MB / 1.014 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 0.03933/1.3, allocations: 26.53 MB / 1.317 GB, free: 11.41 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008894/1.309, allocations: 4.999 MB / 1.322 GB, free: 6.113 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006087/1.315, allocations: 2.612 MB / 1.325 GB, free: 3.477 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003243/1.315, allocations: 127 kB / 1.325 GB, free: 3.336 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.306e-05/1.315, allocations: 64.5 kB / 1.325 GB, free: 3.262 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 4.568e-06/1.315, allocations: 0 / 1.325 GB, free: 3.262 MB / 1.045 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 0.1103/1.425, allocations: 30.97 MB / 1.355 GB, free: 4.203 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001557/1.426, allocations: 243.6 kB / 1.356 GB, free: 3.918 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002784/1.428, allocations: 1.465 MB / 1.357 GB, free: 2.445 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.0006426/1.429, allocations: 69.7 kB / 1.357 GB, free: 2.371 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001157/1.43, allocations: 1.501 MB / 1.358 GB, free: 0.8477 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.001399/1.432, allocations: 0.9165 MB / 1.359 GB, free: 15.92 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00191/1.434, allocations: 0.6357 MB / 1.36 GB, free: 15.27 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001115/1.434, allocations: 309.1 kB / 1.36 GB, free: 14.97 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00635/1.44, allocations: 2.686 MB / 1.363 GB, free: 12.27 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007289/1.447, allocations: 3.567 MB / 1.366 GB, free: 8.332 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01388/1.461, allocations: 6.406 MB / 1.373 GB, free: 1.527 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.146e-05/1.461, allocations: 8 kB / 1.373 GB, free: 1.52 MB / 1.092 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 0.0314/1.493, allocations: 11.02 MB / 1.383 GB, free: 6.395 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 6.079e-05/1.493, allocations: 19.98 kB / 1.383 GB, free: 6.375 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.586e-05/1.493, allocations: 24 kB / 1.383 GB, free: 6.352 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0201/1.513, allocations: 5.544 MB / 1.389 GB, free: 0.7891 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00472/1.518, allocations: 0.9944 MB / 1.39 GB, free: 15.79 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04622/1.564, allocations: 28.19 MB / 1.417 GB, free: 3.145 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005019/1.569, allocations: 0.573 MB / 1.418 GB, free: 2.57 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007855/1.57, allocations: 152 kB / 1.418 GB, free: 2.422 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009274/1.579, allocations: 3.987 MB / 1.422 GB, free: 14.43 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006992/1.586, allocations: 3.532 MB / 1.425 GB, free: 10.52 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08994/1.676, allocations: 24.62 MB / 1.449 GB, free: 1.387 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.399e-05/1.676, allocations: 11.94 kB / 1.449 GB, free: 1.375 MB / 1.17 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 0.02825/1.705, allocations: 10.52 MB / 1.46 GB, free: 6.711 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 4.779e-05/1.705, allocations: 16 kB / 1.46 GB, free: 6.695 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.702e-05/1.705, allocations: 31.94 kB / 1.46 GB, free: 6.664 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01569/1.721, allocations: 4.322 MB / 1.464 GB, free: 2.324 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00494/1.725, allocations: 1.038 MB / 1.465 GB, free: 1.285 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03999/1.765, allocations: 27.13 MB / 1.492 GB, free: 5.418 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005369/1.771, allocations: 0.5537 MB / 1.492 GB, free: 4.863 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009696/1.772, allocations: 151.9 kB / 1.492 GB, free: 4.715 MB / 1.217 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 0.001913/1.774, allocations: 399.3 kB / 1.493 GB, free: 4.316 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001143/1.775, allocations: 201.6 kB / 1.493 GB, free: 4.117 MB / 1.217 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 0.03016/1.805, allocations: 10.17 MB / 1.503 GB, free: 9.879 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.349e-05/1.805, allocations: 27.94 kB / 1.503 GB, free: 9.852 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.485e-05/1.805, allocations: 19.98 kB / 1.503 GB, free: 9.832 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.576e-05/1.806, allocations: 11.95 kB / 1.503 GB, free: 9.82 MB / 1.232 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 0.0443/1.85, allocations: 16.28 MB / 1.519 GB, free: 9.281 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.721e-05/1.85, allocations: 8 kB / 1.519 GB, free: 9.273 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003693/1.854, allocations: 0.7337 MB / 1.519 GB, free: 8.539 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02016/1.874, allocations: 5.177 MB / 1.524 GB, free: 3.352 MB / 1.248 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008123/1.875, allocations: 75.95 kB / 1.525 GB, free: 3.277 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04774/1.922, allocations: 27.24 MB / 1.551 GB, free: 7.535 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.487e-05/1.923, allocations: 15.97 kB / 1.551 GB, free: 7.52 MB / 1.279 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 0.7718/2.694, allocations: 10.09 MB / 1.561 GB, free: 324.2 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002337/2.697, allocations: 0.7227 MB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005374/2.697, allocations: 56.02 kB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003951/2.701, allocations: 0.5126 MB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009025/2.702, allocations: 223.1 kB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002432/2.702, allocations: 94.56 kB / 1.563 GB, free: 324.1 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.001682/2.704, allocations: 0.999 MB / 1.564 GB, free: 324 MB / 1.279 GB Notification: Performance of sort global known variables: time 1.5e-07/2.704, allocations: 4.938 kB / 1.564 GB, free: 324 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.006925/2.711, allocations: 1.854 MB / 1.565 GB, free: 324 MB / 1.279 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 0.0004949/2.711, allocations: 184.1 kB / 1.566 GB, free: 323.9 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.02947/2.741, allocations: 12.45 MB / 1.578 GB, free: 322 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.688e-05/2.741, allocations: 3.906 kB / 1.578 GB, free: 322 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.009632/2.751, allocations: 4.413 MB / 1.582 GB, free: 320.5 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002347/2.753, allocations: 291.1 kB / 1.582 GB, free: 320.4 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02292/2.776, allocations: 10.06 MB / 1.592 GB, free: 316.8 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003062/2.779, allocations: 2.924 MB / 1.595 GB, free: 315.6 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001224/2.78, allocations: 212 kB / 1.595 GB, free: 315.6 MB / 1.279 GB Notification: Performance of SimCode: time 8.72e-07/2.78, allocations: 2.875 kB / 1.595 GB, free: 315.6 MB / 1.279 GB Notification: Performance of Templates: time 0.1017/2.882, allocations: 108.1 MB / 1.701 GB, free: 210.8 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)