Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.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.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001486/0.001486, allocations: 100.4 kB / 16.27 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001645/0.001645, allocations: 191.3 kB / 17.2 MB, free: 5.598 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.44/1.44, allocations: 222.9 MB / 240.9 MB, free: 15.28 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.661/2.661, allocations: 469.4 MB / 0.7427 GB, free: 3.66 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001714/0.001715, allocations: 65.36 kB / 0.9089 GB, free: 14.11 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3573/0.359, allocations: 159.1 MB / 1.064 GB, free: 14.99 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.5968/0.9559, allocations: 18.16 MB / 1.082 GB, free: 12.96 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01403/0.97, allocations: 6.808 MB / 1.089 GB, free: 11.84 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002683/0.9727, allocations: 56.62 kB / 1.089 GB, free: 11.83 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.004728/0.9776, allocations: 1.458 MB / 1.09 GB, free: 10.97 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.005411/0.983, allocations: 1.429 MB / 1.092 GB, free: 10.18 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.004611/0.9877, allocations: 1.257 MB / 1.093 GB, free: 9.5 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.009127/0.9968, allocations: 5.447 MB / 1.098 GB, free: 7.203 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01347/1.01, allocations: 7.195 MB / 1.105 GB, free: 4.391 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005831/1.016, allocations: 2.344 MB / 1.107 GB, free: 3.332 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006799/1.023, allocations: 2.947 MB / 1.11 GB, free: 2.102 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.002915/1.026, allocations: 0.5159 MB / 1.111 GB, free: 2.098 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005683/1.032, allocations: 1.272 MB / 1.112 GB, free: 1.816 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.006004/1.038, allocations: 2.227 MB / 1.114 GB, free: 0.9727 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.008189/1.046, allocations: 2.171 MB / 1.116 GB, free: 15.57 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01753/1.063, allocations: 7.693 MB / 1.124 GB, free: 13.2 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 8.606e-06/1.064, allocations: 0 / 1.124 GB, free: 13.2 MB / 0.8575 GB Notification: Performance of FrontEnd: time 3.316e-06/1.064, allocations: 1.125 kB / 1.124 GB, free: 13.2 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.000359/1.064, allocations: 0 / 1.124 GB, free: 13.2 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01987/1.084, allocations: 3.802 MB / 1.128 GB, free: 11.09 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 5.211e-05/1.084, allocations: 14.55 kB / 1.128 GB, free: 11.09 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01565/1.1, allocations: 2.41 MB / 1.13 GB, free: 10.7 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00749/1.107, allocations: 2.154 MB / 1.132 GB, free: 9.348 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004664/1.108, allocations: 269.9 kB / 1.132 GB, free: 9.223 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002508/1.11, allocations: 343.8 kB / 1.133 GB, free: 9.109 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02522/1.135, allocations: 7.125 MB / 1.14 GB, free: 5.047 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002468/1.136, allocations: 5.781 kB / 1.14 GB, free: 5.043 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002196/1.138, allocations: 147.2 kB / 1.14 GB, free: 4.93 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007125/1.139, allocations: 328.4 kB / 1.14 GB, free: 4.84 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02137/1.16, allocations: 7.031 MB / 1.147 GB, free: 1.293 MB / 0.8575 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04475/1.205, allocations: 26.62 MB / 1.173 GB, free: 8.434 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009124/1.214, allocations: 4.991 MB / 1.178 GB, free: 3.141 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006224/1.22, allocations: 2.604 MB / 1.18 GB, free: 0.5234 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003118/1.221, allocations: 127 kB / 1.18 GB, free: 392 kB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.465e-05/1.221, allocations: 64.5 kB / 1.18 GB, free: 316 kB / 0.8887 GB Notification: Performance of pre-optimization done (n=208): time 4.719e-06/1.221, allocations: 4 kB / 1.18 GB, free: 312 kB / 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.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 0.1101/1.331, allocations: 30.88 MB / 1.211 GB, free: 1.328 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001466/1.331, allocations: 235.6 kB / 1.211 GB, free: 1.051 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002873/1.334, allocations: 1.431 MB / 1.212 GB, free: 15.61 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 0.000664/1.334, allocations: 69.7 kB / 1.212 GB, free: 15.53 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.001167/1.336, allocations: 1.482 MB / 1.214 GB, free: 14.03 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.001466/1.337, allocations: 0.9281 MB / 1.215 GB, free: 13.09 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002066/1.339, allocations: 0.628 MB / 1.215 GB, free: 12.45 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.000114/1.339, allocations: 301.1 kB / 1.216 GB, free: 12.16 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006247/1.346, allocations: 2.694 MB / 1.218 GB, free: 9.453 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00696/1.353, allocations: 3.571 MB / 1.222 GB, free: 5.504 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0133/1.366, allocations: 6.402 MB / 1.228 GB, free: 14.7 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.61e-05/1.366, allocations: 12 kB / 1.228 GB, free: 14.69 MB / 0.9512 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 0.03057/1.397, allocations: 10.99 MB / 1.239 GB, free: 3.594 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 5.532e-05/1.397, allocations: 16.56 kB / 1.239 GB, free: 3.578 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.565e-05/1.397, allocations: 24 kB / 1.239 GB, free: 3.555 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02093/1.418, allocations: 5.579 MB / 1.244 GB, free: 13.95 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004831/1.423, allocations: 0.9983 MB / 1.245 GB, free: 12.95 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0477/1.47, allocations: 28.21 MB / 1.273 GB, free: 308 kB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005366/1.476, allocations: 0.5654 MB / 1.273 GB, free: 15.73 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009365/1.477, allocations: 151.9 kB / 1.273 GB, free: 15.59 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01034/1.487, allocations: 3.988 MB / 1.277 GB, free: 11.59 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007544/1.495, allocations: 3.532 MB / 1.281 GB, free: 7.684 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1198/1.614, allocations: 24.67 MB / 1.305 GB, free: 14.5 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.868e-05/1.615, allocations: 8 kB / 1.305 GB, free: 14.49 MB / 1.029 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 0.05432/1.669, allocations: 10.54 MB / 1.315 GB, free: 3.812 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 7.985e-05/1.669, allocations: 16 kB / 1.315 GB, free: 3.797 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.853e-05/1.669, allocations: 24.06 kB / 1.315 GB, free: 3.773 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03052/1.7, allocations: 4.353 MB / 1.319 GB, free: 15.4 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00933/1.709, allocations: 1.041 MB / 1.32 GB, free: 14.36 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06989/1.779, allocations: 27.15 MB / 1.347 GB, free: 2.473 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009328/1.788, allocations: 0.5579 MB / 1.347 GB, free: 1.914 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001306/1.79, allocations: 148 kB / 1.348 GB, free: 1.77 MB / 1.061 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 0.002346/1.792, allocations: 402.6 kB / 1.348 GB, free: 1.371 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001618/1.794, allocations: 197.6 kB / 1.348 GB, free: 1.176 MB / 1.061 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 0.04502/1.839, allocations: 10.17 MB / 1.358 GB, free: 6.934 MB / 1.076 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.128e-05/1.839, allocations: 24 kB / 1.358 GB, free: 6.91 MB / 1.076 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.606e-05/1.839, allocations: 16 kB / 1.358 GB, free: 6.895 MB / 1.076 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.717e-05/1.839, allocations: 11.95 kB / 1.358 GB, free: 6.883 MB / 1.076 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 0.04297/1.882, allocations: 16.34 MB / 1.374 GB, free: 6.293 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.458e-05/1.882, allocations: 8 kB / 1.374 GB, free: 6.285 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003699/1.886, allocations: 0.7411 MB / 1.375 GB, free: 5.543 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01952/1.905, allocations: 5.193 MB / 1.38 GB, free: 344 kB / 1.092 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008679/1.906, allocations: 79.95 kB / 1.38 GB, free: 264 kB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04421/1.95, allocations: 27.23 MB / 1.407 GB, free: 4.531 MB / 1.123 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.408e-05/1.951, allocations: 12.03 kB / 1.407 GB, free: 4.52 MB / 1.123 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 0.02826/1.979, allocations: 10.14 MB / 1.417 GB, free: 10.14 MB / 1.139 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002285/1.981, allocations: 0.7172 MB / 1.417 GB, free: 9.406 MB / 1.139 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001046/1.982, allocations: 52 kB / 1.417 GB, free: 9.355 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004378/1.987, allocations: 0.5031 MB / 1.418 GB, free: 8.852 MB / 1.139 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001077/1.988, allocations: 234.3 kB / 1.418 GB, free: 8.621 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005157/1.988, allocations: 87.95 kB / 1.418 GB, free: 8.535 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.002084/1.99, allocations: 0.9762 MB / 1.419 GB, free: 7.555 MB / 1.139 GB Notification: Performance of sort global known variables: time 3.41e-07/1.99, allocations: 0 / 1.419 GB, free: 7.555 MB / 1.139 GB Notification: Performance of remove unused functions: time 0.009911/2, allocations: 1.844 MB / 1.421 GB, free: 5.711 MB / 1.139 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 0.0008401/2.001, allocations: 186.8 kB / 1.421 GB, free: 5.52 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.03656/2.038, allocations: 14.39 MB / 1.435 GB, free: 7.012 MB / 1.154 GB Notification: Performance of simCode: created event and clocks part: time 1.336e-05/2.038, allocations: 0 / 1.435 GB, free: 7.012 MB / 1.154 GB Notification: Performance of simCode: created simulation system equations: time 0.01178/2.05, allocations: 4.392 MB / 1.439 GB, free: 2.574 MB / 1.154 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003634/2.053, allocations: 268.9 kB / 1.44 GB, free: 2.32 MB / 1.154 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0304/2.084, allocations: 10.08 MB / 1.449 GB, free: 8.109 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005293/2.089, allocations: 2.903 MB / 1.452 GB, free: 5.176 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00149/2.09, allocations: 215.3 kB / 1.452 GB, free: 4.965 MB / 1.17 GB Notification: Performance of SimCode: time 1.002e-06/2.09, allocations: 0 / 1.452 GB, free: 4.965 MB / 1.17 GB Notification: Performance of Templates: time 0.7606/2.851, allocations: 107 MB / 1.557 GB, free: 415.5 MB / 1.264 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)