Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.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_9_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_9_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 0.001198/0.001198, allocations: 103.8 kB / 16.36 MB, free: 6.461 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001209/0.00121, allocations: 193 kB / 17.31 MB, free: 5.816 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.39/1.39, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.261/2.261, allocations: 390.3 MB / 0.6655 GB, free: 0.5938 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001318/0.001318, allocations: 68.2 kB / 0.8141 GB, free: 32.52 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2949/0.2962, allocations: 140.4 MB / 0.9512 GB, free: 8 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0218/0.3181, allocations: 18.27 MB / 0.969 GB, free: 5.656 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.0113/0.3294, allocations: 6.816 MB / 0.9757 GB, free: 14.82 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001682/0.3311, allocations: 59.88 kB / 0.9757 GB, free: 14.76 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.003884/0.335, allocations: 1.47 MB / 0.9772 GB, free: 13.29 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.003427/0.3385, allocations: 1.412 MB / 0.9785 GB, free: 11.87 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.003036/0.3415, allocations: 1.282 MB / 0.9798 GB, free: 10.59 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.006183/0.3477, allocations: 5.465 MB / 0.9851 GB, free: 5.109 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007816/0.3556, allocations: 7.112 MB / 0.9921 GB, free: 13.89 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003786/0.3594, allocations: 2.361 MB / 0.9944 GB, free: 11.52 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004866/0.3643, allocations: 2.968 MB / 0.9973 GB, free: 8.543 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.001197/0.3655, allocations: 0.5117 MB / 0.9978 GB, free: 8.031 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003007/0.3685, allocations: 1.28 MB / 0.999 GB, free: 6.75 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.002362/0.3709, allocations: 2.242 MB / 1.001 GB, free: 4.504 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.003088/0.374, allocations: 2.19 MB / 1.003 GB, free: 2.305 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.008582/0.3826, allocations: 7.779 MB / 1.011 GB, free: 10.5 MB / 0.795 GB Notification: Performance of FrontEnd - DAE generated: time 6.672e-06/0.3826, allocations: 0 / 1.011 GB, free: 10.5 MB / 0.795 GB Notification: Performance of FrontEnd: time 2.034e-06/0.3826, allocations: 0 / 1.011 GB, free: 10.5 MB / 0.795 GB Notification: Performance of Transformations before backend: time 0.0002211/0.3829, allocations: 4 kB / 1.011 GB, free: 10.5 MB / 0.795 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 0.009562/0.3924, allocations: 3.815 MB / 1.015 GB, free: 6.625 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 3.961e-05/0.3925, allocations: 12.03 kB / 1.015 GB, free: 6.613 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01197/0.4045, allocations: 2.353 MB / 1.017 GB, free: 4.254 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004882/0.4094, allocations: 2.186 MB / 1.019 GB, free: 2.023 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001963/0.4096, allocations: 267.5 kB / 1.019 GB, free: 1.762 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001087/0.4107, allocations: 351.9 kB / 1.02 GB, free: 1.418 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01484/0.4255, allocations: 7.139 MB / 1.027 GB, free: 10.18 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.762e-05/0.4256, allocations: 0 / 1.027 GB, free: 10.18 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005101/0.4261, allocations: 148 kB / 1.027 GB, free: 10.04 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004522/0.4266, allocations: 334.1 kB / 1.027 GB, free: 9.711 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01576/0.4424, allocations: 7.001 MB / 1.034 GB, free: 2.695 MB / 0.8106 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 0.03677/0.4792, allocations: 26.49 MB / 1.06 GB, free: 6.02 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008126/0.4873, allocations: 4.986 MB / 1.065 GB, free: 0.7148 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005657/0.493, allocations: 2.594 MB / 1.067 GB, free: 14.11 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002871/0.4933, allocations: 139 kB / 1.067 GB, free: 13.95 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.192e-05/0.4934, allocations: 68.48 kB / 1.067 GB, free: 13.88 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 4.098e-06/0.4934, allocations: 0 / 1.067 GB, free: 13.88 MB / 0.8575 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 0.6535/1.147, allocations: 30.94 MB / 1.098 GB, free: 119.3 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001432/1.147, allocations: 243.9 kB / 1.098 GB, free: 119 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002853/1.15, allocations: 1.447 MB / 1.099 GB, free: 118.5 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0007089/1.151, allocations: 66.95 kB / 1.099 GB, free: 118.4 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001005/1.152, allocations: 1.498 MB / 1.101 GB, free: 117.3 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001345/1.153, allocations: 0.9149 MB / 1.102 GB, free: 116.6 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001418/1.154, allocations: 0.6301 MB / 1.102 GB, free: 116.3 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 4.898e-05/1.155, allocations: 305.9 kB / 1.103 GB, free: 116 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006148/1.161, allocations: 2.671 MB / 1.105 GB, free: 115.2 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006931/1.168, allocations: 3.555 MB / 1.109 GB, free: 113.3 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01258/1.18, allocations: 6.388 MB / 1.115 GB, free: 110.2 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.383e-05/1.18, allocations: 11.84 kB / 1.115 GB, free: 110.2 MB / 0.8575 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 0.02793/1.208, allocations: 10.98 MB / 1.126 GB, free: 105.3 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 5.287e-05/1.208, allocations: 20.64 kB / 1.126 GB, free: 105.3 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.247e-05/1.208, allocations: 25.75 kB / 1.126 GB, free: 105.3 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01889/1.227, allocations: 5.464 MB / 1.131 GB, free: 102.7 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003964/1.231, allocations: 0.982 MB / 1.132 GB, free: 102.4 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03512/1.267, allocations: 28.15 MB / 1.16 GB, free: 77.59 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004247/1.271, allocations: 0.5537 MB / 1.16 GB, free: 77.04 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005211/1.271, allocations: 148 kB / 1.16 GB, free: 76.89 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006712/1.278, allocations: 3.964 MB / 1.164 GB, free: 72.92 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005049/1.283, allocations: 3.509 MB / 1.168 GB, free: 69.03 MB / 0.8575 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07574/1.359, allocations: 24.55 MB / 1.191 GB, free: 44 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.045e-05/1.359, allocations: 7.938 kB / 1.191 GB, free: 43.99 MB / 0.8575 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 0.02168/1.381, allocations: 10.49 MB / 1.202 GB, free: 33.36 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 3.002e-05/1.381, allocations: 21.59 kB / 1.202 GB, free: 33.34 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.244e-05/1.381, allocations: 28 kB / 1.202 GB, free: 33.31 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01343/1.394, allocations: 4.245 MB / 1.206 GB, free: 29.05 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004191/1.398, allocations: 1.03 MB / 1.207 GB, free: 28.02 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02763/1.426, allocations: 27.13 MB / 1.233 GB, free: 208 kB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00418/1.43, allocations: 0.5342 MB / 1.234 GB, free: 15.67 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004414/1.431, allocations: 144 kB / 1.234 GB, free: 15.53 MB / 0.8731 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 0.0009231/1.432, allocations: 407.7 kB / 1.234 GB, free: 15.12 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005661/1.432, allocations: 199.6 kB / 1.235 GB, free: 14.93 MB / 0.8731 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 0.02887/1.461, allocations: 10.18 MB / 1.245 GB, free: 4.691 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.123e-05/1.461, allocations: 28 kB / 1.245 GB, free: 4.664 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.657e-05/1.461, allocations: 12 kB / 1.245 GB, free: 4.652 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.3e-05/1.461, allocations: 11.95 kB / 1.245 GB, free: 4.641 MB / 0.8731 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 0.04106/1.502, allocations: 16.25 MB / 1.261 GB, free: 4.203 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.405e-05/1.503, allocations: 12 kB / 1.261 GB, free: 4.191 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003918/1.506, allocations: 0.7372 MB / 1.261 GB, free: 3.453 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01902/1.525, allocations: 5.091 MB / 1.266 GB, free: 14.35 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006385/1.526, allocations: 75.95 kB / 1.266 GB, free: 14.27 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04018/1.566, allocations: 27.23 MB / 1.293 GB, free: 2.562 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.082e-05/1.566, allocations: 12.03 kB / 1.293 GB, free: 2.551 MB / 0.92 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 0.02494/1.591, allocations: 10.1 MB / 1.303 GB, free: 8.203 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002335/1.594, allocations: 0.721 MB / 1.303 GB, free: 7.461 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005558/1.594, allocations: 64 kB / 1.304 GB, free: 7.398 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003435/1.598, allocations: 0.4992 MB / 1.304 GB, free: 6.898 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008443/1.599, allocations: 226.3 kB / 1.304 GB, free: 6.676 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002571/1.599, allocations: 91.95 kB / 1.304 GB, free: 6.586 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.001412/1.6, allocations: 0.9816 MB / 1.305 GB, free: 5.602 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1.362e-06/1.6, allocations: 0 / 1.305 GB, free: 5.602 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.006302/1.607, allocations: 1.842 MB / 1.307 GB, free: 3.762 MB / 0.9356 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 0.0004454/1.607, allocations: 178.9 kB / 1.307 GB, free: 3.578 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.02856/1.636, allocations: 12.4 MB / 1.319 GB, free: 7.078 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 1.582e-05/1.636, allocations: 0 / 1.319 GB, free: 7.078 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.01105/1.647, allocations: 4.426 MB / 1.324 GB, free: 2.613 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002399/1.649, allocations: 290.1 kB / 1.324 GB, free: 2.336 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02309/1.672, allocations: 9.484 MB / 1.333 GB, free: 8.742 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003246/1.676, allocations: 2.852 MB / 1.336 GB, free: 5.859 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.004447/1.68, allocations: 1.649 MB / 1.338 GB, free: 4.207 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006409/1.681, allocations: 167.3 kB / 1.338 GB, free: 4.043 MB / 0.9669 GB Notification: Performance of SimCode: time 7.71e-07/1.681, allocations: 0 / 1.338 GB, free: 4.043 MB / 0.9669 GB Notification: Performance of Templates: time 0.1086/1.789, allocations: 77.71 MB / 1.414 GB, free: 6.547 MB / 1.045 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)