Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001469/0.001469, 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 0.001776/0.001776, allocations: 195.1 kB / 16.14 MB, free: 6.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, 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 11.0.1-master/package.mo): time 2.761/2.761, allocations: 461.9 MB / 0.7342 GB, free: 14.96 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001288/0.001288, allocations: 61.27 kB / 0.8984 GB, free: 37.36 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3345/0.3358, allocations: 157.4 MB / 1.052 GB, free: 8.801 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.0216/0.3574, allocations: 18.16 MB / 1.07 GB, free: 6.574 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01179/0.3693, allocations: 6.913 MB / 1.077 GB, free: 15.64 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001808/0.3711, allocations: 47.88 kB / 1.077 GB, free: 15.6 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003912/0.375, allocations: 1.354 MB / 1.078 GB, free: 14.24 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004069/0.3791, allocations: 1.366 MB / 1.079 GB, free: 12.87 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.00337/0.3825, allocations: 1.162 MB / 1.08 GB, free: 11.71 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.008712/0.3912, allocations: 8.514 MB / 1.089 GB, free: 3.176 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01287/0.4042, allocations: 7.934 MB / 1.097 GB, free: 11.14 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004002/0.4082, allocations: 1.99 MB / 1.098 GB, free: 9.145 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005423/0.4136, allocations: 3.077 MB / 1.101 GB, free: 6.059 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001834/0.4155, allocations: 368 kB / 1.102 GB, free: 5.699 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003951/0.4195, allocations: 1.303 MB / 1.103 GB, free: 4.395 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.003968/0.4235, allocations: 2.09 MB / 1.105 GB, free: 2.301 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.005207/0.4287, allocations: 2.026 MB / 1.107 GB, free: 272 kB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01046/0.4392, allocations: 7.658 MB / 1.115 GB, free: 8.586 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 7.464e-06/0.4392, allocations: 0 / 1.115 GB, free: 8.586 MB / 0.8731 GB Notification: Performance of FrontEnd: time 2.645e-06/0.4392, allocations: 0 / 1.115 GB, free: 8.586 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.000249/0.4395, allocations: 0 / 1.115 GB, free: 8.586 MB / 0.8731 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 0.01047/0.45, allocations: 3.819 MB / 1.118 GB, free: 4.707 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.55e-05/0.45, allocations: 15.97 kB / 1.118 GB, free: 4.691 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01346/0.4635, allocations: 2.423 MB / 1.121 GB, free: 2.262 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005664/0.4692, allocations: 2.151 MB / 1.123 GB, free: 68 kB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000347/0.4696, allocations: 279.5 kB / 1.123 GB, free: 15.79 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002201/0.4718, allocations: 359.8 kB / 1.123 GB, free: 15.44 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02317/0.495, allocations: 7.159 MB / 1.13 GB, free: 8.18 MB / 0.8887 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.713e-05/0.4952, allocations: 7.844 kB / 1.13 GB, free: 8.172 MB / 0.8887 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006223/0.4958, allocations: 152 kB / 1.131 GB, free: 8.023 MB / 0.8887 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004746/0.4963, allocations: 330.1 kB / 1.131 GB, free: 7.699 MB / 0.8887 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01846/0.5147, allocations: 7.048 MB / 1.138 GB, free: 0.6367 MB / 0.8887 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03915/0.5539, allocations: 26.69 MB / 1.164 GB, free: 3.777 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008321/0.5623, allocations: 4.992 MB / 1.169 GB, free: 14.48 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005867/0.5682, allocations: 2.596 MB / 1.171 GB, free: 11.87 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003666/0.5686, allocations: 135 kB / 1.171 GB, free: 11.72 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.039e-05/0.5687, allocations: 60.5 kB / 1.171 GB, free: 11.65 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 8.306e-06/0.5687, allocations: 3.984 kB / 1.171 GB, free: 11.65 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.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.109/0.6777, allocations: 30.94 MB / 1.202 GB, free: 12.62 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000164/0.6779, allocations: 235.6 kB / 1.202 GB, free: 12.34 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003225/0.6812, allocations: 1.477 MB / 1.203 GB, free: 10.86 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0009132/0.6821, allocations: 69.7 kB / 1.203 GB, free: 10.79 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001536/0.6837, allocations: 1.497 MB / 1.205 GB, free: 9.266 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001686/0.6854, allocations: 0.9203 MB / 1.206 GB, free: 8.332 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002224/0.6876, allocations: 0.6241 MB / 1.206 GB, free: 7.699 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001266/0.6878, allocations: 313 kB / 1.207 GB, free: 7.391 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006327/0.6941, allocations: 2.686 MB / 1.209 GB, free: 4.695 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007138/0.7013, allocations: 3.571 MB / 1.213 GB, free: 0.7461 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01337/0.7147, allocations: 6.391 MB / 1.219 GB, free: 9.957 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.896e-05/0.7148, allocations: 8 kB / 1.219 GB, free: 9.949 MB / 0.9825 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.03065/0.7454, allocations: 10.98 MB / 1.23 GB, free: 14.86 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.982e-05/0.7455, allocations: 16 kB / 1.23 GB, free: 14.85 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.599e-05/0.7456, allocations: 36.44 kB / 1.23 GB, free: 14.81 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02038/0.766, allocations: 5.556 MB / 1.235 GB, free: 9.238 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004595/0.7706, allocations: 1.002 MB / 1.236 GB, free: 8.234 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.677/1.448, allocations: 25.77 MB / 1.261 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004843/1.453, allocations: 0.5777 MB / 1.262 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005106/1.453, allocations: 151.5 kB / 1.262 GB, free: 168.1 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009013/1.462, allocations: 3.982 MB / 1.266 GB, free: 168 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007447/1.47, allocations: 3.53 MB / 1.269 GB, free: 166.3 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0865/1.556, allocations: 24.62 MB / 1.293 GB, free: 158.9 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.274e-05/1.556, allocations: 11.56 kB / 1.293 GB, free: 158.9 MB / 0.9981 GB Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv1.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02459/1.581, allocations: 10.53 MB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.277e-05/1.581, allocations: 15.19 kB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.769e-05/1.581, allocations: 26.59 kB / 1.304 GB, free: 153.2 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0142/1.595, allocations: 4.334 MB / 1.308 GB, free: 149.2 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004318/1.599, allocations: 1.044 MB / 1.309 GB, free: 148.2 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02823/1.628, allocations: 24.95 MB / 1.333 GB, free: 122.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00484/1.633, allocations: 0.5498 MB / 1.334 GB, free: 122.1 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007375/1.633, allocations: 148 kB / 1.334 GB, free: 122 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.001422/1.635, allocations: 398.3 kB / 1.334 GB, free: 121.6 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008736/1.636, allocations: 209.5 kB / 1.335 GB, free: 121.4 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02374/1.659, allocations: 10.17 MB / 1.345 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.208e-05/1.66, allocations: 28 kB / 1.345 GB, free: 111.1 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.075e-05/1.66, allocations: 12 kB / 1.345 GB, free: 111.1 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.472e-05/1.66, allocations: 15.95 kB / 1.345 GB, free: 111.1 MB / 0.9981 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03262/1.692, allocations: 16.34 MB / 1.361 GB, free: 94.61 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.662e-05/1.692, allocations: 12.88 kB / 1.361 GB, free: 94.6 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003311/1.696, allocations: 0.7372 MB / 1.361 GB, free: 93.86 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01728/1.713, allocations: 5.173 MB / 1.366 GB, free: 88.67 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006536/1.714, allocations: 71.95 kB / 1.366 GB, free: 88.6 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03154/1.745, allocations: 24.85 MB / 1.391 GB, free: 63.3 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.368e-06/1.745, allocations: 12.03 kB / 1.391 GB, free: 63.29 MB / 0.9981 GB Warning: The linear system: 1 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ] = [ line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02287/1.768, allocations: 10.13 MB / 1.401 GB, free: 52.91 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001987/1.77, allocations: 0.7249 MB / 1.401 GB, free: 52.16 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008458/1.771, allocations: 55.91 kB / 1.401 GB, free: 52.11 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003674/1.775, allocations: 0.507 MB / 1.402 GB, free: 51.6 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009837/1.776, allocations: 226.3 kB / 1.402 GB, free: 51.38 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000365/1.776, allocations: 91.95 kB / 1.402 GB, free: 51.29 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.00153/1.778, allocations: 1.001 MB / 1.403 GB, free: 50.29 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.71e-07/1.778, allocations: 0 / 1.403 GB, free: 50.29 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.00675/1.784, allocations: 1.858 MB / 1.405 GB, free: 48.43 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 0.0005335/1.785, allocations: 189.9 kB / 1.405 GB, free: 48.25 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02626/1.811, allocations: 12.4 MB / 1.417 GB, free: 35.74 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.393e-05/1.811, allocations: 4 kB / 1.417 GB, free: 35.74 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009332/1.821, allocations: 4.386 MB / 1.422 GB, free: 31.32 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002746/1.823, allocations: 270 kB / 1.422 GB, free: 31.05 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0227/1.846, allocations: 11.13 MB / 1.433 GB, free: 19.81 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003275/1.849, allocations: 2.842 MB / 1.435 GB, free: 16.93 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.005222/1.855, allocations: 1.661 MB / 1.437 GB, free: 15.27 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007857/1.855, allocations: 171.3 kB / 1.437 GB, free: 15.1 MB / 0.9981 GB Notification: Performance of SimCode: time 8.92e-07/1.856, allocations: 4 kB / 1.437 GB, free: 15.09 MB / 0.9981 GB Notification: Performance of Templates: time 0.1185/1.974, allocations: 75.53 MB / 1.511 GB, free: 3.734 MB / 1.061 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)