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 0.001783/0.001782, allocations: 105.5 kB / 16.27 MB, free: 6.414 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001554/0.001554, allocations: 190.3 kB / 17.2 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.497/1.497, allocations: 222.9 MB / 240.9 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.575/2.575, allocations: 437.1 MB / 0.7111 GB, free: 4.414 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001979/0.00198, allocations: 67.48 kB / 0.8699 GB, free: 2.109 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3209/0.3229, allocations: 151.6 MB / 1.018 GB, free: 10.55 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02416/0.3471, allocations: 18.28 MB / 1.036 GB, free: 8.191 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.01229/0.3594, allocations: 6.801 MB / 1.043 GB, free: 1.371 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001794/0.3612, allocations: 55.88 kB / 1.043 GB, free: 1.316 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.004109/0.3655, allocations: 1.477 MB / 1.044 GB, free: 15.84 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.00516/0.3706, allocations: 1.435 MB / 1.045 GB, free: 14.39 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003906/0.3746, allocations: 1.269 MB / 1.047 GB, free: 13.12 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.007768/0.3823, allocations: 5.468 MB / 1.052 GB, free: 7.645 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01031/0.3927, allocations: 7.237 MB / 1.059 GB, free: 308 kB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004198/0.397, allocations: 2.361 MB / 1.061 GB, free: 13.93 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005481/0.4025, allocations: 2.964 MB / 1.064 GB, free: 10.96 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001506/0.404, allocations: 0.5195 MB / 1.065 GB, free: 10.44 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003669/0.4077, allocations: 1.268 MB / 1.066 GB, free: 9.172 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.003316/0.411, allocations: 2.246 MB / 1.068 GB, free: 6.922 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.003935/0.415, allocations: 2.187 MB / 1.07 GB, free: 4.727 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.6041/1.019, allocations: 7.729 MB / 1.078 GB, free: 29.45 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 9.017e-06/1.019, allocations: 0 / 1.078 GB, free: 29.45 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.315e-06/1.019, allocations: 4.391 kB / 1.078 GB, free: 29.45 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0002915/1.019, allocations: 0.9844 kB / 1.078 GB, free: 29.45 MB / 0.8419 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 0.01447/1.034, allocations: 3.832 MB / 1.082 GB, free: 28.12 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 6.746e-05/1.034, allocations: 10.39 kB / 1.082 GB, free: 28.12 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01556/1.05, allocations: 2.408 MB / 1.084 GB, free: 27.94 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007356/1.057, allocations: 2.168 MB / 1.086 GB, free: 27.49 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004289/1.057, allocations: 267.1 kB / 1.086 GB, free: 27.48 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002771/1.06, allocations: 352.6 kB / 1.087 GB, free: 27.48 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02399/1.084, allocations: 7.162 MB / 1.094 GB, free: 27.11 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001131/1.084, allocations: 9.562 kB / 1.094 GB, free: 27.11 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00081/1.085, allocations: 147.5 kB / 1.094 GB, free: 27.11 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006767/1.086, allocations: 332.9 kB / 1.094 GB, free: 27.1 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0213/1.107, allocations: 7.045 MB / 1.101 GB, free: 26.13 MB / 0.8419 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 0.04535/1.153, allocations: 26.74 MB / 1.127 GB, free: 6.879 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009329/1.162, allocations: 4.99 MB / 1.132 GB, free: 3.473 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006479/1.168, allocations: 2.595 MB / 1.135 GB, free: 2.184 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003824/1.169, allocations: 137 kB / 1.135 GB, free: 2.074 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.99e-05/1.169, allocations: 61.88 kB / 1.135 GB, free: 2.016 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 4.668e-06/1.169, allocations: 0 / 1.135 GB, free: 2.016 MB / 0.8419 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 0.1177/1.287, allocations: 30.96 MB / 1.165 GB, free: 15.81 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001868/1.287, allocations: 239.6 kB / 1.165 GB, free: 15.53 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003046/1.29, allocations: 1.469 MB / 1.167 GB, free: 14.05 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0007606/1.291, allocations: 70.92 kB / 1.167 GB, free: 13.98 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001245/1.292, allocations: 1.499 MB / 1.168 GB, free: 12.46 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.00153/1.294, allocations: 0.9218 MB / 1.169 GB, free: 11.55 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002412/1.296, allocations: 0.6357 MB / 1.17 GB, free: 10.91 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001619/1.296, allocations: 301.1 kB / 1.17 GB, free: 10.61 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00733/1.303, allocations: 2.686 MB / 1.173 GB, free: 7.918 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00792/1.311, allocations: 3.572 MB / 1.176 GB, free: 3.984 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01498/1.326, allocations: 6.395 MB / 1.182 GB, free: 13.3 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.681e-05/1.327, allocations: 8 kB / 1.182 GB, free: 13.29 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=410) (initialization): time 0.03395/1.361, allocations: 11.03 MB / 1.193 GB, free: 2.395 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 8.138e-05/1.361, allocations: 16 kB / 1.193 GB, free: 2.379 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.969e-05/1.361, allocations: 24 kB / 1.193 GB, free: 2.355 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02177/1.382, allocations: 5.562 MB / 1.199 GB, free: 12.79 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004885/1.387, allocations: 1 MB / 1.2 GB, free: 11.82 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05231/1.44, allocations: 28.19 MB / 1.227 GB, free: 15.25 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005303/1.445, allocations: 0.573 MB / 1.228 GB, free: 14.68 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007502/1.446, allocations: 155.9 kB / 1.228 GB, free: 14.52 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009568/1.455, allocations: 3.98 MB / 1.232 GB, free: 10.54 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00777/1.463, allocations: 3.529 MB / 1.235 GB, free: 6.637 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09407/1.557, allocations: 24.67 MB / 1.259 GB, free: 13.58 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.366e-05/1.557, allocations: 12 kB / 1.259 GB, free: 13.57 MB / 0.9669 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 0.02875/1.586, allocations: 10.52 MB / 1.27 GB, free: 3.117 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 4.875e-05/1.586, allocations: 16 kB / 1.27 GB, free: 3.102 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.207e-05/1.586, allocations: 28 kB / 1.27 GB, free: 3.074 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01581/1.602, allocations: 4.334 MB / 1.274 GB, free: 14.72 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005216/1.607, allocations: 1.043 MB / 1.275 GB, free: 13.72 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0405/1.648, allocations: 27.14 MB / 1.301 GB, free: 1.941 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005032/1.653, allocations: 0.5576 MB / 1.302 GB, free: 1.383 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006098/1.654, allocations: 144 kB / 1.302 GB, free: 1.242 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 0.001172/1.655, allocations: 405.1 kB / 1.302 GB, free: 0.8789 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006987/1.656, allocations: 197.7 kB / 1.303 GB, free: 0.6836 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 0.02813/1.684, allocations: 10.17 MB / 1.312 GB, free: 6.523 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.434e-05/1.684, allocations: 28 kB / 1.313 GB, free: 6.496 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.295e-05/1.684, allocations: 15.94 kB / 1.313 GB, free: 6.48 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.865e-05/1.684, allocations: 11.95 kB / 1.313 GB, free: 6.469 MB / 1.014 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 0.03979/1.724, allocations: 16.31 MB / 1.328 GB, free: 6.109 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.56e-05/1.724, allocations: 8 kB / 1.328 GB, free: 6.102 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003747/1.728, allocations: 0.7339 MB / 1.329 GB, free: 5.387 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0203/1.748, allocations: 5.2 MB / 1.334 GB, free: 172 kB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000761/1.749, allocations: 75.95 kB / 1.334 GB, free: 96 kB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04662/1.795, allocations: 27.26 MB / 1.361 GB, free: 4.375 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.307e-05/1.795, allocations: 14.44 kB / 1.361 GB, free: 4.363 MB / 1.061 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 0.02816/1.824, allocations: 10.09 MB / 1.371 GB, free: 10.03 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002128/1.826, allocations: 0.7248 MB / 1.372 GB, free: 9.281 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006373/1.826, allocations: 59.98 kB / 1.372 GB, free: 9.223 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004065/1.83, allocations: 0.5031 MB / 1.372 GB, free: 8.719 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008756/1.831, allocations: 226.4 kB / 1.372 GB, free: 8.496 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002749/1.832, allocations: 95.89 kB / 1.372 GB, free: 8.402 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.001767/1.833, allocations: 1.003 MB / 1.373 GB, free: 7.398 MB / 1.076 GB Notification: Performance of sort global known variables: time 3.51e-07/1.833, allocations: 0 / 1.373 GB, free: 7.398 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.007367/1.841, allocations: 1.859 MB / 1.375 GB, free: 5.539 MB / 1.076 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 0.0005626/1.841, allocations: 178.9 kB / 1.375 GB, free: 5.355 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.03693/1.878, allocations: 14.39 MB / 1.389 GB, free: 6.867 MB / 1.092 GB Notification: Performance of simCode: created event and clocks part: time 1.445e-05/1.878, allocations: 0 / 1.389 GB, free: 6.867 MB / 1.092 GB Notification: Performance of simCode: created simulation system equations: time 0.01226/1.891, allocations: 4.418 MB / 1.394 GB, free: 2.398 MB / 1.092 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002652/1.893, allocations: 291.7 kB / 1.394 GB, free: 2.121 MB / 1.092 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02715/1.92, allocations: 10.14 MB / 1.404 GB, free: 7.859 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003691/1.924, allocations: 2.92 MB / 1.407 GB, free: 4.906 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001337/1.926, allocations: 215.3 kB / 1.407 GB, free: 4.699 MB / 1.107 GB Notification: Performance of SimCode: time 2.214e-06/1.926, allocations: 0 / 1.407 GB, free: 4.699 MB / 1.107 GB Notification: Performance of Templates: time 0.1509/2.076, allocations: 107.8 MB / 1.512 GB, free: 8.98 MB / 1.217 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)