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 0.001425/0.001425, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001569/0.001569, allocations: 191.9 kB / 16.14 MB, free: 6.711 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.578/1.578, allocations: 222.9 MB / 239.8 MB, free: 4.617 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.854/2.854, allocations: 437 MB / 0.7099 GB, free: 5.359 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.002346/0.002346, allocations: 67.89 kB / 0.8686 GB, free: 5.16 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7808/0.7832, allocations: 151.6 MB / 1.017 GB, free: 2.785 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02561/0.8088, allocations: 18.16 MB / 1.034 GB, free: 0.5547 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.01346/0.8223, allocations: 6.86 MB / 1.041 GB, free: 9.676 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002033/0.8244, allocations: 43.88 kB / 1.041 GB, free: 9.633 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.004207/0.8286, allocations: 1.358 MB / 1.042 GB, free: 8.273 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.004488/0.8331, allocations: 1.355 MB / 1.044 GB, free: 6.914 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.003813/0.837, allocations: 1.158 MB / 1.045 GB, free: 5.754 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.01113/0.8481, allocations: 8.507 MB / 1.053 GB, free: 13.23 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0147/0.8629, allocations: 7.945 MB / 1.061 GB, free: 5.191 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004494/0.8674, allocations: 1.99 MB / 1.063 GB, free: 3.195 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005969/0.8734, allocations: 3.074 MB / 1.066 GB, free: 116 kB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.001828/0.8753, allocations: 372 kB / 1.066 GB, free: 15.75 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004077/0.8794, allocations: 1.299 MB / 1.068 GB, free: 14.45 MB / 0.8262 GB Notification: Performance of NFScalarize.scalarize: time 0.004591/0.884, allocations: 2.086 MB / 1.07 GB, free: 12.36 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.005735/0.8897, allocations: 2.023 MB / 1.072 GB, free: 10.33 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.01349/0.9033, allocations: 7.673 MB / 1.079 GB, free: 2.633 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 9.898e-06/0.9033, allocations: 0 / 1.079 GB, free: 2.633 MB / 0.8262 GB Notification: Performance of FrontEnd: time 3.096e-06/0.9033, allocations: 4 kB / 1.079 GB, free: 2.629 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 0.0003459/0.9037, allocations: 0 / 1.079 GB, free: 2.629 MB / 0.8262 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 0.01391/0.9176, allocations: 3.819 MB / 1.083 GB, free: 14.75 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 4.981e-05/0.9177, allocations: 8.031 kB / 1.083 GB, free: 14.74 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01481/0.9325, allocations: 2.423 MB / 1.085 GB, free: 12.31 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007534/0.9401, allocations: 2.163 MB / 1.087 GB, free: 10.11 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003817/0.9405, allocations: 267.5 kB / 1.088 GB, free: 9.844 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001952/0.9425, allocations: 351.9 kB / 1.088 GB, free: 9.5 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02316/0.9657, allocations: 7.155 MB / 1.095 GB, free: 2.246 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001982/0.9659, allocations: 11.84 kB / 1.095 GB, free: 2.234 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001815/0.9678, allocations: 148 kB / 1.095 GB, free: 2.09 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000635/0.9684, allocations: 334.1 kB / 1.095 GB, free: 1.762 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0212/0.9896, allocations: 7.051 MB / 1.102 GB, free: 10.7 MB / 0.8575 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 0.04903/1.039, allocations: 26.74 MB / 1.128 GB, free: 13.77 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01189/1.051, allocations: 4.988 MB / 1.133 GB, free: 8.465 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007032/1.058, allocations: 2.589 MB / 1.136 GB, free: 5.863 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004642/1.058, allocations: 135 kB / 1.136 GB, free: 5.715 MB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.015e-05/1.058, allocations: 68.48 kB / 1.136 GB, free: 5.637 MB / 0.8887 GB Notification: Performance of pre-optimization done (n=208): time 6.082e-06/1.058, allocations: 0 / 1.136 GB, free: 5.637 MB / 0.8887 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 0.1178/1.176, allocations: 30.96 MB / 1.166 GB, free: 6.598 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002214/1.176, allocations: 235.6 kB / 1.166 GB, free: 6.32 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003225/1.18, allocations: 1.481 MB / 1.168 GB, free: 4.832 MB / 0.92 GB Notification: Performance of collectPreVariables (initialization): time 0.000825/1.181, allocations: 65.7 kB / 1.168 GB, free: 4.762 MB / 0.92 GB Notification: Performance of collectInitialEqns (initialization): time 0.001601/1.182, allocations: 1.497 MB / 1.169 GB, free: 3.242 MB / 0.92 GB Notification: Performance of collectInitialBindings (initialization): time 0.001698/1.184, allocations: 0.9203 MB / 1.17 GB, free: 2.309 MB / 0.92 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001788/1.186, allocations: 0.6318 MB / 1.171 GB, free: 1.668 MB / 0.92 GB Notification: Performance of setup shared object (initialization): time 0.0001611/1.186, allocations: 309 kB / 1.171 GB, free: 1.363 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006801/1.193, allocations: 2.69 MB / 1.174 GB, free: 14.66 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007683/1.2, allocations: 3.563 MB / 1.177 GB, free: 10.72 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0146/1.215, allocations: 6.402 MB / 1.184 GB, free: 3.922 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.227e-05/1.215, allocations: 8 kB / 1.184 GB, free: 3.914 MB / 0.9356 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 0.03209/1.247, allocations: 11.02 MB / 1.194 GB, free: 8.781 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 4.594e-05/1.247, allocations: 21.34 kB / 1.194 GB, free: 8.762 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.245e-05/1.247, allocations: 28 kB / 1.194 GB, free: 8.734 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02219/1.27, allocations: 5.536 MB / 1.2 GB, free: 3.18 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004948/1.275, allocations: 0.9944 MB / 1.201 GB, free: 2.184 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04778/1.322, allocations: 25.78 MB / 1.226 GB, free: 7.961 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004617/1.327, allocations: 0.5731 MB / 1.226 GB, free: 7.387 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006918/1.328, allocations: 155.9 kB / 1.227 GB, free: 7.234 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009261/1.337, allocations: 3.984 MB / 1.23 GB, free: 3.242 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007461/1.344, allocations: 3.528 MB / 1.234 GB, free: 15.34 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.7111/2.056, allocations: 24.62 MB / 1.258 GB, free: 208.9 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.52e-05/2.056, allocations: 8.281 kB / 1.258 GB, free: 208.9 MB / 0.9981 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 0.02658/2.082, allocations: 10.53 MB / 1.268 GB, free: 206.5 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.829e-05/2.082, allocations: 15.84 kB / 1.268 GB, free: 206.5 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.009e-05/2.082, allocations: 34.05 kB / 1.268 GB, free: 206.5 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01619/2.099, allocations: 4.318 MB / 1.273 GB, free: 205.9 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004485/2.103, allocations: 1.039 MB / 1.274 GB, free: 205.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02874/2.132, allocations: 24.95 MB / 1.298 GB, free: 188.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004372/2.136, allocations: 0.5547 MB / 1.298 GB, free: 188.6 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005848/2.137, allocations: 147.5 kB / 1.299 GB, free: 188.6 MB / 0.9981 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008929/2.138, allocations: 407.2 kB / 1.299 GB, free: 188.2 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006212/2.138, allocations: 200.3 kB / 1.299 GB, free: 188.2 MB / 0.9981 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 0.02405/2.163, allocations: 10.17 MB / 1.309 GB, free: 179.3 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.104e-05/2.163, allocations: 28 kB / 1.309 GB, free: 179.3 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.49e-05/2.163, allocations: 12 kB / 1.309 GB, free: 179.3 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.831e-05/2.163, allocations: 17.67 kB / 1.309 GB, free: 179.3 MB / 0.9981 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 0.0325/2.195, allocations: 16.31 MB / 1.325 GB, free: 162.8 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.687e-05/2.195, allocations: 8 kB / 1.325 GB, free: 162.8 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00313/2.198, allocations: 0.73 MB / 1.326 GB, free: 162.1 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01709/2.216, allocations: 5.177 MB / 1.331 GB, free: 156.9 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005886/2.216, allocations: 75.95 kB / 1.331 GB, free: 156.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02934/2.246, allocations: 24.87 MB / 1.355 GB, free: 131.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.341e-06/2.246, allocations: 12.03 kB / 1.355 GB, free: 131.5 MB / 0.9981 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 0.02147/2.267, allocations: 10.09 MB / 1.365 GB, free: 121.1 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001594/2.269, allocations: 0.7252 MB / 1.366 GB, free: 120.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006177/2.269, allocations: 61.81 kB / 1.366 GB, free: 120.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003223/2.273, allocations: 0.507 MB / 1.366 GB, free: 119.8 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007477/2.273, allocations: 226.4 kB / 1.367 GB, free: 119.6 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002159/2.274, allocations: 91.95 kB / 1.367 GB, free: 119.5 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001234/2.275, allocations: 1.005 MB / 1.368 GB, free: 118.5 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.8e-07/2.275, allocations: 0 / 1.368 GB, free: 118.5 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.005238/2.28, allocations: 1.852 MB / 1.369 GB, free: 116.7 MB / 0.9981 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 0.000371/2.28, allocations: 182.3 kB / 1.37 GB, free: 116.5 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02439/2.305, allocations: 12.41 MB / 1.382 GB, free: 104 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.385e-05/2.305, allocations: 0 / 1.382 GB, free: 104 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009107/2.314, allocations: 4.406 MB / 1.386 GB, free: 99.52 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00215/2.316, allocations: 279.1 kB / 1.386 GB, free: 99.25 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02008/2.336, allocations: 11.12 MB / 1.397 GB, free: 88.02 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002428/2.339, allocations: 2.842 MB / 1.4 GB, free: 85.14 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.004588/2.343, allocations: 1.668 MB / 1.402 GB, free: 83.47 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006371/2.344, allocations: 179.3 kB / 1.402 GB, free: 83.3 MB / 0.9981 GB Notification: Performance of SimCode: time 1.543e-06/2.344, allocations: 0 / 1.402 GB, free: 83.3 MB / 0.9981 GB Notification: Performance of Templates: time 0.08964/2.434, allocations: 75.51 MB / 1.475 GB, free: 7.988 MB / 0.9981 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=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)